07.08.04 19:06 linux: gtk-config is in libgtk1.2-dev
07.08.04 19:07 macosx: hold down apple-s during start up to boot into single user mode as root
07.08.04 19:07 macosx: boot from mac os x install cd (hold down c during startup) and use reset password utility to change a password w/o admin access
07.08.04 19:09 sms: to send and sms (text message) via aim, just append a plus sign to phone number, i.e. +19175551234 sends message to mobile phone at 917.555.1234
07.08.04 19:12 sms: sms email servers: verizon vtext.com, att mobile.att.net, tmobile tmomail.net, sprint messaging.sprintpcs.com
07.08.04 19:15 google: google features we should all use http://www.google.com/help/features.html
07.08.04 19:19 matlab: get the matlab mode for emacs (google matlab.el) and abandon matlab's editor
07.11.04 20:15 latex: $\AA$ gives the symbol for an angstrom
07.12.04 16:41 perl: install cpan modules via: perl -MCPAN -e 'install "Module::Name"'
08.03.04 11:06 macosx: make sure numlock is off if your keyboard isn't working.
08.04.04 11:06 emacs: to format whole file, C-x h then Esc C-\
08.29.04 12:17 linux: if an install display is all funky, load the kernel w/ option vga=771 or similar
08.29.04 13:52 linux: my realtek 8100b/8139d didn't work until i passed kernel parameters: nohotplug noapic acpi=off : to the kernel on boot
08.30.04 14:26 bash: \!:1 % 1st command line arg
08.31.04 13:21 perl: executing perl -MModule::Name will tell you if you have a perl module installed
09.09.04 17:42 macosx: to mount an image from the command line, type: sudo hdutil attach path/to/image/file.iso path/to/image/file.dmg path/to/image/file.cdr
09.25.04 13:42 macosx: scselect and scutil are useful for selecting network locations in os x
09.29.04 08:10 matlab: use index = find( diff( sign( diff([0; x(:); 0]) ) ) < 0 ); to find local maxima of a vector
09.29.04 08:10
10.02.04 01:02 ipod: if you are totally screwed with your ipod, hold down prev, next and select to get into disk check mode
10.13.04 23:32 c: %lf reads a double
10.21.04 12:15 c: declare static variable: has scope only in function, but persists in memory even after function exits and can be accessed again
10.25.04 19:19 c: getopt for flexible argument handling
10.27.04 17:31 matlab: squeeze will allow you to do something like imagesc(squeeze(x(:,1,:)))
10.29.04 00:08 emacs: to beautify entire file, set mark, go to end of block, hit esc ctrl-\ to beautify
11.13.04 10:37 matlab: diary will save command window input and output
11.13.04 10:38 unix: file tells you what type of file you are dealing with
11.13.04 10:38 unix: wc counts words lines, etc ...
11.17.04 13:06 matlab: the backslash operator in matlab is nice for solving Ax = b via x = b  A
11.20.04 17:11 perl: when in doubt, perldoc perlvar
11.28.04 15:08 latex: use circ for degree symbol
03.07.05 14:30 shell: create tarball and send directly over network connection with: tar cf - /foo | ssh hostname 'cat > target_archive.tar'
03.14.05 00:25 applescript: to compare dates, just compare friggin dates.
04.26.05 13:46 x11: make sure DISPLAY isn't set if you want ssh to figure out X11 forwarding ...
04.26.05 14:21 shell: killall is a nice way to kill things by name
04.28.05 20:47 shell: du -h directory will give the size of the files contained in directory
04.29.05 13:07 matlab: use java.util.Hashtable for hashes in matlab
04.29.05 13:07 matlab: use methodsview java.util.Hashtable (or any other object) to view description of methods
04.29.05 14:43 matlab: to get a single quote inside a string in matlab, use two single quotes in a row
05.02.05 11:29 matlab: help punct and help colon will tell you useful things
05.05.05 01:35 macosx: cmd-cntrl-d over a word gives quick dictionary
05.10.05 16:48 linux: use /etc/aliases to change who gets mail for root, then restart mta, run newaliases
05.10.05 17:05 linux: motd needs newline at end of last line to display
05.12.05 21:28 linux: basename and dirname are good commands to know
05.12.05 21:28 linux: to rename whole directory ... for f in *; do  mv "$f" "${f// /_}"; done
05.13.05 00:00 cvs: to add a binary file, use -kb
06.02.05 10:28 matlab: create /usr/local/matlab/pathdef.m to permanently add stuff to your path
06.11.05 00:23 bash: seq -f "%03g" 1 50 for zeropadding inside for loop
06.30.05 20:54 linux: use run-parts to run all files in a directory
07.16.05 15:22 applescript: to dereference posix path of string to alias, use posix file <str> as alias
07.19.05 21:13 applescript: return and \n are not the same thing
08.17.05 13:50 php: %04d will write a zero-padded 4 digit integer ...
08.17.05 18:08 mysql: left join happens first, then comment right join table
08.25.05 11:05 html: pre tag says "dont interpret"
08.26.05 17:42 macosx: system_profiler SPAirPortDataType | awk -F": " '/Current Wireless Network/{print }'
08.27.05 01:46 linux: if local loopback device is not configured and up, x11 forwarding will not work
09.07.05 14:52 shell: to list files in a tarball, tar -ztf filename.tar.gz
09.07.05 22:49 bash: $RANDOM generates a random number
09.12.05 14:35 emacs: enlarge-window will enlarge a window
09.13.05 15:32 shell: to get double sided printing lpr -o sides=two-sided-long-edge <filename>
09.19.05 17:34 unix: time shows how long command takes to execute
09.21.05 14:12 safari: if plugins ain't working, then make sure they are enabled in preferences,security
09.22.05 11:52 macosx: sysprefs, appearance has control of number of recent items displayed
09.22.05 12:52 excel: use windows text to avoid crappy formatting
09.26.05 16:13 matlab: isosurface(h) to visualize a 3-d surface
09.26.05 16:15 macosx: hold down mouse button to eject stuck cd on boot
09.26.05 18:40 bash: &> to redirect stderr and stdout
09.28.05 00:31 rsync: if connectioned unexpectedly closed, maybe rsync is not installed on remote machine ...
09.28.05 14:07 latex: to get a prefixed superscript on something, use {}; ie {}_nC_k
10.06.05 12:02 excel: use ctl-~ to see formulas in a spreadsheet
10.15.05 17:16 latex: verbatiminput from moreverb package gives way to input a file and have it show up verbatim
10.15.05 17:40 latex: fancyvrb is a "better" verbatim package ... supposedly.
10.17.05 01:30 latex: \jobname gives filename w/o extension
10.21.05 01:48 matlab: you can use avifile and addframe to make matlab movies without displaying frames
10.24.05 13:12 shell: groff -l -mandoc `man -w <command>`
10.24.05 13:46 shell: x-man-page://<command> will get you a url to a manpage
10.24.05 18:11 sed: sed -e $'s/$/\r/' < myunix.txt > mydos.txt to convert dos to unix linebreaks
10.25.05 20:36 macosx: apparently ioreg does some cool stuff
10.26.05 15:27 linux: /proc/filesystems has list of all supported filesystems
10.28.05 19:56 bash: source kind of includes a script ... i.e. when script exists, exports will be effective in parent shell, etc.
10.28.05 22:15 bash: to read in from a pipe, just think of stdin and use something like read myvar, or a while loop if you expect multiple lines
11.01.05 11:15 matlab: mvnpdf to eval many x values under multivariate distn
11.01.05 11:17 matlab: samples from multivariate distns
11.02.05 01:45 linux: pwgen for random password generation
11.12.05 11:48 shell: use jhead -autorot to change from exif style rotation to lossless rotated image
11.14.05 08:40 macosx: apple-shift-y gives your stickies
11.14.05 15:10 awk: to ignore case, use IGNORECASE=1
11.22.05 11:15 ipod: zero out disk w/ disk utility in worst case
11.24.05 11:30 macosx: mail.app has messages -> remove attachments
11.29.05 12:27 shell: .* will not match a newline in regex
11.30.05 14:02 bash: man -k searches for a keyword
12.08.05 11:31 windows: check properties on a cd drive to enable cd burning
12.15.05 21:56 macosx: hold down shift when opening mail.app to not select a mailbox
12.29.05 00:25 shell: to get mtime of a file: stat -f %m <filename>
12.31.05 19:34 shell: man -t command | open -f -a preview
12.31.05 19:36 macosx: ~/Library/Preferences/.GlobalPreferences.plist
01.03.06 12:36 quicktime: to rotate move, go to properties, video track, visual settings
01.04.06 02:46 bash: substitute for if then: [ condition ] && command
01.04.06 02:47 macosx: to get screen capture from terminal, use screencapture
01.04.06 13:12 macosx: to get startup manager, hold down option key after startup chime
01.06.06 11:18 matlab: use drawnow to update plot
01.10.06 12:37 shell: to list only directories, ls -d */
01.25.06 14:37 shell: using screen, ctl-a-d detaches
01.25.06 14:37 shell: screen -d -m nohup <cmd> to run after exit, fo sho
01.26.06 10:47 macosx: in terminal, use cmd-option-return to perform text selection
01.27.06 10:08 macosx: watch /Library/Preferences/SystemConfiguration for network changes
01.31.06 10:57 network: find out a lot about network stuff by typing ipconfig getpacket <interface>
02.08.06 10:48 windows: boot from cd, choose r for recovery console, fixboot, fixmbr, chkdsk c:, help for more
02.08.06 13:49 razr: clr * locks keypad on phone
02.09.06 11:48 shell: url for a man page with section is: x-man-page://<section number>/<command>
02.09.06 11:49 applescript: to turn on gui scripting from command line: sudo touch /private/var/db/.AccessibilityAPIEnabled
02.10.06 11:57 google: if you are feeling luck, add &btnI=I%27m+Feeling+Lucky to the end of your query
02.13.06 15:56 cvs: cvs mode in emacs uses ctrl-x v v and ctrl-c c
02.15.06 11:21 matlab: mfilename returns the name of the current mfile
02.15.06 11:58 matlab: edit preferences, mat file, save to version 6 (v6) to get backwards-compatible files
02.15.06 12:23 matlab: as per http://tinyurl.com/bxulh, can write tiff stacks out using the writemode=append open w/ imwrite
02.15.06 12:53 awk: replace fields with nothing ... {$1=""; print $0;}
02.15.06 13:01 bash: to redirect stderror to a file command 2> filename
02.20.06 20:57 macosx: appl-shift-i to mail url of page in safari
02.21.06 12:52 matlab: to get single quotes in a string, use two single quotes in a row
02.22.06 11:09 shell: to find files modified in the last day find . -type f -mtime -1
02.24.06 00:29 latex: to get colors, usepackage color and \textcolor{red} for example
02.24.06 00:30 latex: to get strikeouts, usepackage ulem and \sout{}
03.02.06 14:37 macosx: apache log files are in /var/log/httpd
03.02.06 15:40 shell: curl can resume transfers: curl -C -
03.04.06 08:26 latex: to get blank spaces, use \hspace
03.07.06 11:36 macosx: cmd-option-o-f to boot into open firmware
03.08.06 10:07 idvd: turn off watermark in preferences
03.08.06 11:23 macosx: to start in safe mode, hold down shift
03.08.06 11:43 matlab: use %c format string in matlab to read w newlines
03.11.06 07:57 cu: clio-db.cc.columbia.edu is text-based interface to clio
03.14.06 12:48 macosx: textutil converts btwn document formats quite nicely
03.14.06 14:11 irc: to search for a channel, try /msg chanserv list <regexp>
03.16.06 13:34 bash: to get single quotes in a string, use a single quote, followed by a backslashed, followed by two single quotes: 'a single quote: '\'' .'
03.16.06 13:35 sed: to reverse the lines of a file (last line first), use: sed '1!G;h;$!d'
03.16.06 13:37 shell: another way to reverse lines of file, seemingly faster than older method: cat -n file.txt | sort -r | sed -e 's/[[:space:]]\{1,\}[[:digit:]]\{1,\}[[:space:]]//'
03.16.06 13:48 shell: to find empty files in pwd and below, find . -size 0 or find . -empty
03.17.06 13:26 bash: to remove pattern at end of a variable, use ${varname%pattern}
03.18.06 19:03 macosx: to hide hard drives on the desktop, just use finder preferences
03.22.06 14:11 shell: lsof lists open files
03.23.06 09:33 latex: to put a caption above a figure, just tex it so the caption is literally place above the includegraphic
03.23.06 11:23 macosx: systemkeychain ... sudo mv /Library/Keychains/System.keychain /Library/Keychains/System.keychain.bak; sudo /usr/sbin/systemkeychain -C; reboot
03.23.06 11:59 macosx: to remove finder, mv Finder.app to something else in /System/Library/CoreServices/Finder.app/Contents/MacOs/
03.23.06 12:17 shell: use -ls switch on find to get verbose listing instead of print
03.23.06 14:14 network: ping -o -t 1 <ip> to ping w a 1 second timeout and exit on success
03.23.06 17:57 windows: if usb drives are not automounting, use util diskpart. at prompt, automount enable and exit
03.25.06 18:52 windows: sfc command scans and trys to repair windows system files
03.25.06 22:25 bash: else if is elif
03.26.06 18:56 windows: to minimize current window, alt-space-n
03.27.06 10:45 macosx: to use spotlight from finder, use the mdfind command
03.28.06 20:09 bash: this will show you the extension of filename in $x: "${x##*.}"
03.28.06 22:04 linux: append a 1 to grub or lilo boot, or init=/bin/sh to get into single user mode. mount read/write
03.29.06 13:48 macosx: to disable crash reporter, either use CrashReporterPrefs from developer tools or: defaults write com.apple.CrashReporter DialogType server
03.30.06 21:29 windows: to kill a process from the command line, use taskkill
04.03.06 16:12 applescript: install scripting additions to /System/Library/ScriptingAdditions and their dictionaries are ready to use
04.05.06 12:09 firefox: add this to user.js to remove page rendering delay: user_pref("nglayout.initialpaint.delay", 0);
04.05.06 13:41 cvs: to start a cvs repository, use cvs init
04.05.06 13:42 cvs: to import a project into a repository, use cvs import <name> <vendor> <release>
04.06.06 17:49 awk: to print even lines, NR %2. odd lines, 'NR % 2 == 1'.
04.17.06 17:28 latex: pdfcrop can crop pdfs nicely
04.17.06 22:46 macosx: to get a plus-minus sign, use shift-option-=
04.23.06 14:40 linux: i think this just allows all tcp traffic on iptables: iptables -A INPUT -p tcp -j ACCEPT
04.23.06 20:41 latex: to tex eqns to images, use tex2im
04.27.06 15:29 emacs: escape backtick will give you the emacs menu, it seems
04.27.06 22:30 macosx: sudo nvram boot-command=target-mode to boot into target disk mode on all subsequent boots; article 42642 tells how to disable
04.28.06 14:02 windows: change key HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesUsbStor Start from 3 to 4 to disable usb storage devices
05.03.06 13:04 linux: iptables -I INPUT -i eth0 -j ACCEPT accepts all traffic on eth0
05.09.06 09:42 matlab: clc clears command window
05.23.06 13:33 macosx: cmd-shift-4 and then space bar does a window capture
05.30.06 15:40 network: ping -c2 broad.cast.ip.address and then arp -a or nmap -sP sub.net.mask.ip/24
05.30.06 16:29 emacs: to change modes, M-x mode-name
06.06.06 22:44 mysql: use mysql_real_escape_string to make input to db safe
06.08.06 11:32 cu: try kinit to get a kerberos ticket session, whatever that means
06.27.06 14:29 macosx: to disable guest login on afp, use sudo defaults write /Library/Preferences/com.apple.AppleFileServer guestAccess No

07.13.06 11:39 sms: ATT: mobile.att.net, Verizon: vtext.com, Sprint: messaging.sprintpcs.com, T-Mobile: tmomail.net -OR- @voicestream.net, Cingular: mobile.mycingular.com, Nextel: messaging.nextel.com
07.13.06 15:43 macosx: to test out widgets, use command-option and turn install into run
07.18.06 11:36 google: use google.com/xhtml as an easy proxy
07.19.06 14:19 windows: copy wpa.dbl and wpa.bak over to machine to avoid re-registration
07.19.06 14:21 google: type "time in ..." to get the current local time
07.26.06 10:02 windows: tr \n \r to fix windows returns
07.31.06 21:41 linux: cat /etc/debian_version to see what version of debian you are running
08.07.06 16:31 bash: any piped process runs as a child... so echo foo | xargs cd will do nothing
08.11.06 11:53 iphoto: on import screen, hit return twice and see contents of card
08.14.06 13:32 ssh: sudo ssh -L 80:server:80 -l uname -N server to tunnel via ssh
08.20.06 22:53 lifehack: point of view, listeners, benefits, action steps
08.22.06 12:39 matlab: for optional arguments that you want to set defaults for, you can try if exist(quoted_varname) ~= 1 ... end
08.22.06 12:41 ssh: scp -o ConnectTimeout=num_sec to have automatic timeout on secure copy
08.22.06 13:17 matlab: to do labels instead of numbers on, for instance, the x axis of a plot, try set(gca,'XTickLabel',{'One';'Two'})
08.23.06 00:32 macosx: to force mounting of the iso9660 partition of a hybrid cd, use mount -t cd9660 -o nodev,nosuid,read_only /dev/disk1s1 path_to_mount, assuming disk1 is your cd drive
08.24.06 15:31 google: to search for index pages, use intitle:index.of
08.28.06 10:38 ssh: for ssh tunneling when you do not have admin rights on the client machine, forward to non-privileged ports, greater than 1024
09.01.06 14:40 macosx: ipconfig getpacket en0 for lots of networking info
09.02.06 12:09 linux: to disable hyperthreading, pass noht to the kernel at boot
09.02.06 18:12 quicktime: hit shift-uparrow to increase volume past the max of the slider bar
09.05.06 22:35 matlab: if using netlab w/ matlab 7 or greater, download foptions.m from http://www.ncrg.aston.ac.uk/netlab/downloads/foptions.m
09.07.06 00:41 treo: #*#33284 will get you into debug mode. note that 33284 is just debug spelled out
09.11.06 22:27 lifehack: to make international calls with vonage, start with 011
09.14.06 13:51 linux: to mount an iso, mount -t iso9660 -o ro,loop=/dev/loop0 cd_image /dir
09.15.06 17:35 quicktime: in advanced preferences, enable flash playback
09.15.06 17:37 itunes: enable cd text burning in itunes 7 or greater under burning tab in preferences
09.18.06 00:11 gentoo: logsentry contains the logcheck package and runs in cron.hourly by default
09.19.06 12:59 macosx: /etc/ld.so.conf does not exist on mac ... can try setting environment variables ld_library_path and dyld_library_path to have same effect
09.19.06 13:20 latex: ctl-c-b compiles latex, to pdf i think
09.19.06 16:36 mysql: if you forget your root password, kill mysql, edit a file and place SET PASSWORD FOR root@localhost = PASSWORD('MyNewPassword'); in it, and issue a mysqld_safe --init-file=path/to/file &
09.21.06 13:00 matlab: oldunits = get(gcf,'units'), set(gcf,'units','normalized','position',[0 0 1 1]), set(gcf,'units',oldunits )
09.21.06 17:18 gcc: gcc-config helps to choose current gcc configure
09.25.06 01:23 bash: bc needs scale to be set before you can expect decimals to be kept around
10.03.06 16:20 perl: /s and /m modifiers can be useful when matching a flattened document w/ many newlines
10.04.06 12:17 shell: to find files greater than a certain byte size, say 1000 bytes, use find +1000c
10.05.06 00:03 macosx: this will block the ports over which microsoft office checks for other running copies: sudo ipfw add deny udp from any to any 2222
10.05.06 00:08 linux: if you see windows-style ^M newlines in a file, try tr -s 'r' 'n' to get rid of them
10.05.06 01:28 latex: to write argmax, \arg\max_{\theta}
10.05.06 11:36 macosx: to use a scroll wheel to get btwn pages in preview.app, go view->pdf display->continuous
10.09.06 14:17 lifehack: hit your floor and the door close butotn at the same time to get an express trip
10.09.06 15:02 windows: to change a password, net user ownername *
10.11.06 01:14 macosx: to disable dashboard, defaults write com.apple.dashboard mcx-disabled -boolean YES
10.18.06 08:18 matlab: try importdata to read data files with text and column headers
10.19.06 00:27 excel: to get a tab-delimited file w/o any quotes or commas (i.e. a matlab-happy file), format cells as numeric
10.28.06 14:16 x11: if sshing in an xterm gives funny formatting, try stty -parenb
11.17.06 09:46 matlab: to get a % to show in a sprintf-formatted string, use %%
11.21.06 16:34 network: when using a dynamic domain name to access a machine that is behind the same firewall you are behind, you need to add the domain name ip to the list of allowed ips, b/c the request shows as coming from your external ip, not internal. yah.
11.29.06 11:39 mobile: 800-373-3411 free 411, 800-555-TELL free info, 712-858-8883 free intrntl calls thru iowa, 888-363-7822 price comparison
12.05.06 13:57 linux: to set date, date mmddhhmm
12.05.06 22:22 macosx: when using fink, edit /sw/bin/init.sh and change prepend_path to append_path so that, for instance, resource forks are preserved when tarring
12.05.06 22:54 macosx: rsync -E to preserve resource forks
12.06.06 15:42 bash: $! gives the process id of the last backgrounded process
12.14.06 11:31 cu: cu uses wrapped port ssl
12.14.06 14:34 emacs: ispell, flyspell to spell check
01.02.07 20:37 macosx: power button, then s gives shutdown screen
01.15.07 22:45 excel: to replace highlighted cells with an entry, use ctrl-enter
01.16.07 18:47 macosx: hold down option key in preview, drag an area, see dimensions
01.26.07 12:52 macosx: to auto-hide menubar and dock, edit info.plist for application and add, in alphabetical order, <key>LSUIPresentationMode</key> \ <integer>4</integer>
01.29.07 10:18 word: on mac, widen window so ovr is visible. then toggle for insert/overwrite mode
01.30.07 16:03 google: use ~ to ask google to search synonyms of a word
02.06.07 11:27 perl: to substitute text in a bunch of files, perl -p -i .bak -e s/old/new/g file1 file2 ...
02.06.07 11:27 bash: use the script command to get a diary of an interactive session
02.09.07 17:43 matlab: M-x matlab-shell for interactive matlab
02.10.07 11:50 macosx: /System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport is nice tool for playing w/ airport
02.12.07 11:11 ipod: hold down cmd and option when connecting ipod to prevent autosync
03.01.07 14:13 perl: ord converts character to ascii equivalent
03.04.07 17:09 windows: mstsc /console to cheat and get a third remote desktop connection
03.09.07 23:03 perl: s///g will count the number of matches of a pattern
03.12.07 23:42 windows: change decimal value of HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TerminalServer\WinStations\RDP-Tcp\PortNumber to have rdp listen on different port ... update windows firewall rules as needed
03.13.07 14:47 windows: shift-f10 for right-click context menu
03.14.07 13:08 matlab: to get ticks on top and right, use box on
03.18.07 12:30 macosx: to auto-accept ichat audio or video invitations, defaults write com.apple.ichat AutoAcceptVCInvitations 1
03.19.07 12:36 macosx: to reset file assocations, e.g. when office test drive refuses to let go, delete library/caches/com.apple.launchservices or library/preferences/com.apple.launchservices.plist
03.20.07 01:44 word: hold down alt (or option) key for vertical text selection
03.20.07 12:31 word: if you have a locked document, insert it as a file in a blank document
03.22.07 11:07 sge: when submitting a bash script to the queue, use #$ -S /bin/bash instead of #!/bin/bash
03.22.07 12:37 sed: to print from a pattern to the end of a file, sed -n /pattern/,$p
03.28.07 13:40 mobile: if you are stuck with a voicemail indicator, even though you have no new vm, call and leave yourself a msg. then check msgs, delete the new msg.
03.29.07 09:08 bash: anything you might look for here, check for on this wiki from greg/greycat first - http://wooledge.org/mywiki/BashFaq
03.29.07 10:48 matlab: ascii code to char, char(code); char to ascii code, uint8(char)
04.05.07 12:04 perl: to compare strings, use eq,ne ...
04.10.07 17:34 bash: paste will merge lines of different files
04.10.07 21:56 macosx: hold down option key while emptying trash to force
04.12.07 22:43 gmail: add recent: in front of username and email address when using pop to get copy of emails from last 30 days
04.19.07 23:41 macosx: cmd-shift-b to bluetooth transfer a file
04.25.07 22:04 macosx: to zoom, hold control, scroll w/ two fingers
04.30.07 09:21 cvs: to restrict write access, place user names in writers file of CVSROOT
05.01.07 10:35 firefox: firefox -remote "ping()" to find running windows, firefox -remote openURL(url,new-tab) to open in a new tab
05.01.07 14:31 firefox: cmd-k to get to search bar
05.01.07 14:45 firefox: use keyconfig.xpi extension to remap next/previous tab: gBrowser.mTabContainer.advanceSelectedTab(1);
05.01.07 19:07 latex: to shrink the auxiliary window, c-x ^
05.02.07 11:23 macosx: show which processes are listening to which ports: lsof -i | grep LISTEN or lsof -nP | grep TCP or lsof -i TCP. don't forget to sudo.
05.04.07 09:19 grammar: who is interacting with whom
05.08.07 18:15 gmail: hold down shift to compose a gmail message in a new window
05.08.07 22:47 macosx: lsbom lists contents for a .pkg file, installer.pkg/Contents/Archive.bom
05.08.07 22:48 macosx: lipo will slim down universal binaries
05.14.07 02:51 latex: dots that are vertically centered: \cdots
05.16.07 11:53 debian: when apt-get update fails w/ a dynamic mmap error, add APT::Cache-Limit 33554432; to /etc/apt.conf.d/70debconf
05.17.07 16:31 bash: to get lines that are common to two files, use the comm command or grep -xF
05.22.07 07:38 gentoo: qfile finds package to which a file belongs
05.22.07 07:39 gentoo: qsearch searches package descriptions
05.22.07 07:40 gentoo: qlist lists files that belong to a package
05.26.07 07:16 google: use parens with a nickname after an address in google maps to give it a nickname for quick future reference
05.26.07 07:19 windows: to get to system properties quickly, use hotkey windows-break
05.26.07 07:43 firefox: to speed up browsing on a broadband connection: about:config, network.http.pipelining, network.http.proxy.pipelining to true; network.http.pipelining.maxrequests 30; create nglayout.initialpaint.delay as integer, set to 0
05.26.07 07:56 macosx: view->customize toolbar to add items to the finder toolbar
05.26.07 08:04 google: a ? in google reader brings up a help screen
05.26.07 08:21 firefox: to force links meant to open in a new window to open in a background tab, about:config, set browser.tabs.loadDivertedInBackground to true
05.28.07 21:40 google: enable phone to get notifications from google calendar, then text gvent with an appointment to schedule
05.30.07 12:09 google: append &imgtype=face to a google image search to get pictures of faces matching a query
06.05.07 20:25 macosx: ditto will copy resource forks (cp apparently will not)
06.10.07 06:01 matlab: to use rotated labels on x axis, try xticklabel_rotate from matlab central
06.10.07 06:03 matlab: pass pair Interpreter,none to stop matlab from interpreting labels or titles as tex, etc
06.10.07 06:11 matlab: to generate random integers from 1 to n: ceil(n*rand); round (instead of ceil) will get you in trouble
06.10.07 07:21 emacs: if annoyed by the file does not end in newline message, modify /usr/share/emacs/site-lisp/default.el so it does not set require-final-newline or remove default.el from .emacs file
06.10.07 08:26 video: to convert an flv to mpg, use ffmpeg: ffmpeg -i file.flv -ab audio_bitrate -ar audio_samplerate -b bitrate -s widthxheight file.mpg
06.18.07 08:14 google: use | for logical or operation, ~ for similar, .. to search a range of numbers, link: to find pages containing a link
06.18.07 08:20 windows: remove the word hide from application names in systemrootinfsysoc.inf to unhide in add/remove programs
06.18.07 08:21 macosx: click desktop while holding down command-option to hide all windows but finder
06.19.07 11:12 keynote: use keynote linkback w/ latexit, then map keyboard shortcuts using system preferences
06.19.07 12:23 latex: use \in for element of symbol
07.06.07 22:42 keynote: question mark for shortcut help
07.10.07 11:57 bash: bc -l gives sin, cos, etc
07.10.07 11:59 consumer: buy flights wed morn, books thurs, clothing thurs night, gas thurs morn
07.10.07 17:03 macosx: hold down apple-tab, two-finger scroll to switch applications
07.11.07 13:00 iphone: dial *3001#12345#* to bring up the Field Test tool, which will give you information about towers and signal strength, EDGE network, and more
07.13.07 17:08 bash: !! will give the arguments of the previously-executed command
07.16.07 17:45 bash: ctrl-r to search history
07.17.07 13:17 iphone: double tap on lower 1/4 of zoomed safari page to scroll by item at a time
07.18.07 11:10 iphone: tap and drag on day (in month view) to scan appointments
07.18.07 14:21 java: to right click on an embedded java applet using a mac trackpad, use a two-finger tap
07.24.07 10:05 cu: columbia ezproxy (useful for papers and command line scripts) is http://arugula.cc.columbia.edu:2048/login?url=%@, where %@ is destination url
08.07.07 16:27 iphone: field mode *3001#12345#*, account balance *777# and *225#, minutes used *646#, call forwarding *#21#, call forwarding number *#61#,
08.09.07 11:53 iphone: to reset, press and hold sleep/wake button and home button for at least ten seconds until the apple logo appears
08.10.07 19:15 macosx: in preview, hold down option and then rotate to rotate single pages of a pdf
08.14.07 15:08 macosx: to have finder show all files, defaults write com.apple.finder AppleShowAllFiles TRUE
08.14.07 18:06 bash: ${!#} for the last command line argument
08.17.07 09:11 lifehack: Hold a watch with 12 oclock at left. Move your arm so the hour hand points at the sun. The spot halfway between the hour hand and the 12 is south.
08.17.07 14:07 linux: gentoo now has a server USE flag, which might important for not breaking things like cvs server mode
08.20.07 07:45 iphone: to use recovery mode to wipe an iphone, hold down sleep/wake and home for 20-30 seconds; when yellow icon appears, connect to computer and restore in itunes
08.31.07 18:20 bash: run a command from your history using ! followed by the corresponding line number in your history
09.01.07 23:10 matlab: accumarray will turn pairs of nodes into an adjacency matrix
09.04.07 13:48 applescript: to convert posix path to alias, set theAliasPath to ((POSIX file thePOSIXPath) as text)
09.05.07 07:56 matlab: to create an adjacency matrix from lists of pairs, use accumarray(pairs,1)
09.06.07 10:12 iphone: to (stop)start ssh on iphone, use /bin/launchctl (un)load -w /Library/LaunchDaemons/com.openssh.sshd.plist or install UICtl app
09.07.07 11:54 iphone: change extensions to m4r and reimport to get free ringtones
09.07.07 13:32 imagemagick: to created tiled montage, use montage -tile CxR *.png montage.png, where C or R can be ommitted and labeling can be achieved with +label and -format w/ identifiers
09.07.07 13:33 latex: \, thin space; \; medium space; \ space; \quad quad space; \! negative space (can be repeated)
09.09.07 20:39 matlab: use mlint to check m files for problems, evaluate code efficiency, etc
09.12.07 12:22 matlab: use sortrows to sort by a given column, but keep rows together
09.12.07 13:10 linux: gentle restart: hold down alt and print screen, type REISUB 3
09.17.07 09:53 google: use set location to set a default location for google sms
09.18.07 10:08 matlab: use accumarray function to build a confusion matrix
09.18.07 23:38 cvs: use chmod -R g+s on cvs repository directory to set sticky group bit, ensuring that group ownership is inherited. is this a security problem?
09.24.07 14:13 windows: netstat -b 5 > activity.txt in command prompt to see machine connections
09.27.07 16:02 javascript: escape and unescape will convert between url friendly and unfriendly formats
09.27.07 16:04 cu: a bookmarklet to load current page through columbia ezproxy, for off-campus access to subscriptions: javascript:location.href=unescape('http://arugula.cc.columbia.edu:2048/login?url='+encodeURIComponent(location.href))
09.28.07 10:39 macosx: window settings, keyboard, use option key as meta key
10.02.07 14:07 bash: check out xxdiff or tkdiff for gui that sits on top of diff
10.11.07 14:52 matlab: shading interp makes for pretty 3d plots
10.15.07 10:13 google: enable bibtex in google scholar preferences
10.18.07 09:12 macosx: strings finds printable strings in an object or binary file
10.18.07 15:13 latex: pagebreak "encourages" a page break, clearpage forces one
10.21.07 23:35 lifehack: lifetime of frozen foods: fruits/vegetables 8-12 months, poultry 6-9 months, fish 3-6 months, ground meat 3-4 months
10.23.07 10:57 macosx: use pmset to manage power management settings from the command line, including hibernate mode for safesleep, etc.
10.23.07 11:39 ipod: ~/Pictures/iPhoto Library/iPod Photo Cache can be deleted (and subsequently regenerated) to save some disk space if extraneous photos are cached
10.24.07 09:56 matlab: use ezplot to plot implicit functions
10.25.07 11:08 php: use the function print_r for a bare bones display of array contents
10.25.07 11:19 php: to sort associative arrays, use asort, arsort, ksort, and krsort
10.26.07 10:10 graphviz: pin and pos to fix a node position
10.26.07 10:10 graphviz: lp to change a label position
10.26.07 15:11 matlab: use the keyboard command in an m-file to stop execution and give control to the keyboard
10.28.07 17:19 graphviz: to get labels to appear below nodes, insert some newlines with \n\n
10.28.07 22:15 lifehack: get a yupp, qupp or z code for a bump from coach flight tickets
10.28.07 22:22 google: to enter google earth flight simulator, hit Ctrl+Alt+A (Mac users: Cmd+Opt+A)
10.28.07 22:39 macosx: in leopard, system/library/coreservices/screen sharing.app
10.28.07 22:39 macosx: to collect all windows from spaces, use c to collect all windows
10.28.07 22:42 macosx: in leopard, defaults write com.apple.dock no-glass -boolean YES; killall Dock to use a 2d dock
10.29.07 01:25 graphviz: use -Goutputorder=edgesfirst to get edges drawn first, in background, then nodes and labels
10.29.07 01:38 matlab: use textscan to read formatted text files
10.30.07 00:35 iphone: root password for 1.1.1 firmware is alpine
10.30.07 10:39 macosx: to create a new tab in leopard terminal, cmd-n. to cycle through, 'cmd+/-'
11.01.07 10:38 emacs: add "(add-hook 'LaTeX-mode-hook 'flyspell-mode)" to .emacs file to get on-the-fly spelling checking that respects latex
11.01.07 10:53 emacs: for interactive spell check, M-x ispell-buffer
11.03.07 10:09 matlab: griddata will interpolate for 3d plots
11.06.07 11:24 windows: driverquery can be used to do a local or remote list of drivers on xp, 2003, and vista
11.06.07 11:40 shell: change your default shell using chsh -s /path/to/your/shell username
11.08.07 20:17 macosx: in leopard, use qlmanage -p filename to quick look a file from the command line
11.09.07 02:06 shell: use --bwlimit option to specify max bandwidth in rsync, in kbps
11.09.07 02:46 macosx: in leopard, check /Library/Application Support/HWPrefs for CPUPalette to see your cores in action
11.09.07 02:53 macosx: in leopard, preview reloads changed files automatically -- great for tex
11.09.07 13:19 macosx: in leopard, jump to messages by typing names or subject lines
11.10.07 12:42 rss: to make a yahoo pipes rss regex pattern ignore case, put (?i) at the beginning of the pattern
11.12.07 18:00 macosx: ctrl-f2 gives the menu bar, ctrl-f3 gives the dock (remember fn key on a laptop)
11.16.07 14:30 macosx: in tiger terminal, command-double click to open a url in a browser
11.21.07 14:06 macosx: use search fields like from:,to:,subject:,email: in mail.app on 10.5 (and 10.4?)
11.21.07 15:07 lifehack: present 70% of what prepared
11.26.07 16:40 macosx: in leopard, screen sharing app (essentially a vnc viewer) is in /System/Library/CoreServices/
11.26.07 16:59 macosx: in leopard, the image displayed behind the login window is /System/Library/DefaultDesktop.jpg
11.26.07 20:59 macosx: in leopard, you can drag widgets to your desktop after: defaults write com.apple.dashboard devmode YES; killall Dock
12.04.07 09:29 windows: turn on cleartype at http://www.microsoft.com/typography/cleartype/tuner/Step1.aspx
12.04.07 22:10 latex: to force capitalization in a bibtex entry, use surrounding brackets {}
12.06.07 12:43 macosx: using expose, hit option key to see window titles
12.06.07 12:44 macosx: to restart all graphics, closing open programs, sudo killall -HUP WindowServer
12.11.07 14:40 macosx: in leopard, activate spaces and hit the number of the space to go to
12.12.07 11:53 matlab: echo will echo m files during execution
12.13.07 11:08 google: a bookmarklet to search the domain of the current site you are viewing for a specific query: javascript:Qr=prompt('Search%20Site%20for','');if(Qr)location.href='http://www.google.com/search?&q=site:'+encodeURIComponent(window.location.hostname)+'+'+escape(Qr)
12.13.07 11:09 javascript: to grab the domain name of the current url, use window.location.hostname
12.16.07 11:58 windows: start -> run shutdown -f -t 0 for a quicker shutdown
12.18.07 23:07 matlab: scatter command will plot points with different areas and colors
12.18.07 23:08 matlab: plotmatrix command will plot columns of two matrices against each other
12.18.07 23:11 matlab: to capture keys in a matlab gui, set the figure property KeyPressFcn (or KeyReleaseFcn) with the appropriate function handle
12.19.07 17:15 shell: to send POST data in shell scripts, use curl -d
12.19.07 22:52 matlab: colororder and linestyleorder control line styles and colors under vectorized plotting
12.21.07 09:32 flickr: append /date-taken-calendar to a flickr url to get a calendar display
12.25.07 14:51 matlab: use dlmread to read a delimited file w/ non-uniform number of columns
12.26.07 14:33 matlab: to call a function on button click, use set(gca,'buttondownfcn',@fcn)
01.03.08 18:41 firefox: hold down command and click-drag to get a column highlighted
01.15.08 18:12 matlab: use linkaxes to synchronize two different axes with each other
01.16.08 20:56 macosx: to start time machine from the command line, /System/Library/CoreServices/backupd.bundle/Contents/Resources/backupd-helper &
01.16.08 20:58 lifehack: "swear like a sailor" to get bounced from an automated phone directory to a real person
01.28.08 11:17 macosx: to spoof a mac address in leopard, sudo ifconfig en0 lladdr 00:00:00:00:00:00
02.02.08 11:25 macosx: when a disk will not eject, do "lsof +D <path to disk>" to find process ids using that disk
02.08.08 10:52 test: see how this works
02.08.08 10:54 shell: to view pages that require POST data, do curl --data-binary var1=value1&var2=value2
02.12.08 02:25 gmail: add a + between your username and the at sign to have a filterable custom address, e.g. user+filtertext@gmail.com
02.12.08 02:26 latex: use package listings to include verbatim files with many options, including line numbering, word wrap, and syntax formatting
02.13.08 11:34 macosx: dscacheutil -cachedump -entries Host shows cached domain names -- dscacheutil -flushcache clears this cache
02.15.08 14:04 network: use 4.2.2.1 as a permanently pingable server to test a network connection
02.18.08 11:57 mysql: if you receive an error about mysql.procs_priv not existing, use mysql_fix_privilege_tables (with, optionally, the --password=<root password> switch)
02.18.08 12:12 trac,mysql: due to bug with trac interacting with mysql, create the trac database as: CREATE DATABASE trac DEFAULT CHARACTER SET latin1 COLLATE latin1_bin;
02.25.08 11:14 networking,linux: use port knocking daemon (knockd) to perform network actions via tcp port activity
03.03.08 13:06 macosx: add shift-option to volume control (f4/f5) to change by quarter-block intervals
03.16.08 19:00 perl: chr converts ascii code to character
04.11.08 10:17 matlab: to keep a consistent height-to-color mapping on 3-d plots, use caxis
04.13.08 13:27 macosx: shift-drag in spaces to consolidate all windows from a given app into one space
04.13.08 16:28 latex: to get something like a tilde to print, try \sim\!\! in math mode
04.15.08 15:44 matlab: if compiling mex files fails, it might be due to matopts.sh not being in the path -- an ln -s matlabroot/bin/matopts.sh . might get around this
04.22.08 09:31 macosx: /Applications/Utilities/Console.app is a nice gui with which to monitor logs
04.22.08 13:23 shell: wget -mk will mirror a site and replace absolute links with relative ones, good for local browsing
04.23.08 19:23 mysql: if you do not have lock permissions on a mysql server and want to do a mysqldump, use the --skip-lock-tables option (with caution)
04.23.08 22:19 matlab: use the publish command to generate html from scripts
04.24.08 12:46 emacs: reftex-mode with C-= allows you to jump between sections, references, etc.
04.24.08 12:49 emacs: C-x 3 splits windows vertically
04.24.08 12:50 emacs: C-x o switches between windows
04.24.08 13:11 emacs: C-c ( to navigate references, e.g. equations, figures, etc.
04.24.08 13:18 emacs: C-c [ and a regex will bring up matching bibtex references for insertion
04.26.08 20:01 latex: use \nonumber to avoid numbering a line of an eqnarray
04.28.08 22:23 emacs: use C-u C-spc to return to a marked location
04.30.08 12:31 latex: to span a figure over columns in twocolumn mode, use \begin{figure*} ... \end{figure*}
04.30.08 18:20 matlab: clc clears command window, clf clears figure, cla clears axis
04.30.08 23:19 matlab: use dbstop if error to debug code, which will give you access to workspace inside of function
05.02.08 15:19 safari: to change the safari user agent, go preferences -> advanced -> show developer menu, then select from the menu accordingly
05.02.08 15:21 iphone: to get access to starbucks free wifi for iphone users on a regular browser, trying changing the user agent to Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420+ (KHTML, like Gecko) Version/3.0 Mobile/1A543a Safari/419.3
05.05.08 13:54 google: go to a support page and download the help by appending ?fulldump=1 to the url
05.05.08 14:11 windows: ctrl-esc opens the start menu
05.06.08 23:05 latex: to force parens around a cite, use \citep
05.13.08 19:04 latex: to include eps figures in a pdftex or pdflatex document, use \usepackage[pdftex]{graphicx} \\ \usepackage{epstopdf}
05.22.08 16:11 matlab: if matlab is hanging on startup, you might have a corrupt toolbox cache; change this by removing ~/.matlab/<version>/toolbox_cache*.xml
05.25.08 20:43 matlab: to rotate axis labels in matlab, try rotateticklabel from matlab central
05.30.08 16:28 matlab: dualcursor gives display of coordinates
06.02.08 22:38 cvs: to tag a set of module files (or the whole module, for e.g. a file release) use cvs -q tag <tag_here>
06.03.08 15:28 cvs: if you get an error for sticky tag is not a branch, try cvs update -A
06.04.08 09:57 macosx: to enable php in 10.5, uncomment the LoadModule php5_module line in /etc/apache2/httpd.conf and cp /etc/php.ini.default to /etc/php.ini
06.17.08 10:07 macosx: ctrl-click on a url in terminal.app to open it in your default browser
06.17.08 10:08 python: to see where module files are located, use python -c "import mymodule; print mymodule.__path__"
06.22.08 13:32 macosx: to recover a hard drive icon that has disappeared from finder: http://docs.info.apple.com/article.html?artnum=307503
06.23.08 10:06 python: use a backslash to accomodate multiline statements/expressions
06.23.08 15:31 shell: using more (or less), / searches, k highlights matches, n goes to next match, and v opens in editor set by VISUAL or EDITOR environment variable
06.23.08 18:59 firefox: (on a mac) alt-arrow gets to beginning/end of line, option-arrow goes forward/backward by word
06.30.08 11:36 macosx: to change primary displays on a dual monitor setup, drag the white menu bar in system preferences, displays to the desired blue box
07.01.08 10:28 shell: check man bash, history expansion to learn many history tricks
07.01.08 18:20 matlab: to get figures to print with non-white backgrounds, use set(gca,InvertHardCopy,off);
07.11.08 11:30 macosx: to speed up mail.app, try sqlite3 ~/Library/Mail/Envelope\ Index and then vacuum subjects; followed by ctrl-d to quit
07.12.08 05:29 iphone: with iphone 2.0, hold down the home button and press the lock button to take a screenshot
07.16.08 10:44 python: zip(l1,l2) returns list of tuples, where each tuple conains i-th element from each argument sequence
07.16.08 10:46 python: fcn(*x) explodes elements of x before passing to function fcn; useful for zip(*l) to rearrange list of tuples
07.16.08 19:25 macosx: opendiff uses FileMerge to visualize diff between two files
07.25.08 16:58 shell: when using a colored prompt, end with "\[\e[0m\]" to restore "normal" color
07.25.08 16:59 python: to “invert” an array or list containing values of arbitrary type, try this: invarr = dict([ [arr[i],i] for i in range(len(arr)) ])
07.28.08 11:37 sed: to print text between two patterns, inclusive, use sed -n /pattern1/,/pattern2/p
07.29.08 10:58 shell: use pushd dir_name to change to a directory, storing the current directory, and popd to return to the stored directory
07.29.08 15:19 python: to combine dictionaries d1 and d2, use d1.update(d2)
08.04.08 19:06 latex: to typeset piecewise functions that are aligned, use the cases environment in the amsmath package
09.15.08 13:54 emacs: M-; comments a line, and M-x comment-region comments entire blocks
09.16.08 13:32 matlab: use "format compact" to reduce whitespace in output
09.16.08 20:43 shell: banner -w 50 foobar will print foobar in ascii art
09.26.08 11:09 ssh: if key-based login is not working, make sure permissions are correctly set on ~/.ssh (drwx------) and ~/.ssh/authorized_keys2 (-rw-------)
10.03.08 16:12 macosx: use the -n switch with open to run multiple instances of the same program
10.07.08 12:04 emacs: run a makefile with M-x compile or C-x m
10.09.08 14:47 latex: make sure to always put figure labels *after* captions, as references will otherwise be incorrect
10.11.08 13:30 macosx: flash files are often cached in /var/folders, so do a find /var/folders -name FlashTmp*
10.14.08 16:40 macosx: to toggle system-wide socks proxy, use sudo networksetup -setsocksfirewallproxystate Ethernet <on/off>
10.14.08 16:41 macosx: to check system-wide proxy settings, use scutil --proxy
10.14.08 16:48 shell: use exec bash in ~/.login to auto-run a bash shell when your default is csh or tcsh
10.16.08 16:31 shell: to use the tinyurl api, append the url to be tinyed to http://tinyurl.com/api-create.php?url=
10.17.08 09:13 iphone: to save some disk space, remove old iphone firmware from ~/Library/iTunes/iPhone Software Update, but make sure to keep the latest restore
10.18.08 09:19 matlab: matlab stores sparse matrices in compressed column format, so loops over columns are much faster than over rows (loops over rows should be implemented as loops over columns of the transpose)
10.28.08 21:46 css: to modify an element style in a header, e.g. anchors in h1, use h1 a { ... }