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Activate a virtualenv via fabric as deploy user
...n('do other stuff, etc')
* There are bound to be cases where using the command1 && command2 approach may blow up on you, such as when command1 fails (command2 will never run) or if command1 isn't properly escaped and contains special shell characters, and so forth.
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
... simple requests (discussed above), "preflighted" requests first
send an HTTP request by the OPTIONS method to the resource on the
other domain, in order to determine whether the actual request is safe
to send. Cross-site requests are preflighted like this since they may
have implications t...
Vim delete blank lines
What command can I run to remove blank lines in Vim?
14 Answers
14
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How to explain callbacks in plain english? How are they different from calling one function from ano
...on grabAndFreeze() {
showNowLoading(true);
var jsondata = getData('http://yourserver.com/data/messages.json');
/* User Interface 'freezes' while getting data */
processData(jsondata);
showNowLoading(false);
do_other_stuff(); // not called until data fully downloaded
}
functi...
PostgreSQL error 'Could not connect to server: No such file or directory'
...ocal/var/postgres/
remove this and start server.
Check - https://github.com/mperham/lunchy is a great wrapper for launchctl.
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How to iterate through all git branches using bash script
...eing expanding in the file name expansion (step 8) of shell expansion (see http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_03_04.html)
Use the bash while construct with a read command to chop the git branch output into lines. The '*' will be read in as a literal character. Use a case statement t...
how to use ng-option to set default value of select element
I've seen the documentation of the Angular select directive here: http://docs.angularjs.org/api/ng.directive:select .
I can't figure how to set the default value. This is confusing:
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Using “super” in C++
...ion of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Strou...
URLWithString: returns nil
...NSUTF8StringEncoding];
NSString* stringURL = [NSString stringWithFormat:@"http://maps.google.com/maps/geo?q=%@,Montréal,Communauté-Urbaine-de-Montréal,Québec,Canadae&output=csv&oe=utf8&sensor=false", webName];
NSString* webStringURL = [stringURL stringByAddingPercentEscapesUsingEnco...
gdb split view with code
...To see both source and assembly
Press 'CTRL' 'X' together and then '2'
http://www.cs.fsu.edu/~baker/ada/gnat/html/gdb_23.html
A screen shot of the view with code and assembly.
Also check out this amazing Github project.
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