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Why 0 is true but false is 1 in the shell?
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However in Bash, any nonzero value is an error, and we may use any number from 1-255 to represent an error. This means we can have many different kinds of errors. 1 is a general error, 126 means that a file cannot be executed, 127 means 'command not found', etc. Here's a list of Bash Exit Codes Wit...
Capturing URL parameters in request.GET
...ameters in a URL, as described in the tutorial. How do I access parameters from the URL as part the HttpRequest object?
1...
For homebrew mysql installs, where's my.cnf?
...d look through it for the conf locations listed.
Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf /usr/etc/my.cnf ~/.my.cnf
The following groups are read: mysql client
The following options may be given as the first argument:
--print-defaults ...
jQueryUI Tooltips are competing with Twitter Bootstrap
...t to use bootstrap's tooltip, simply get a customized version of JQuery-UI from this website.
Simply uncheck the "Tooltip" option, and download it (it will be something like "jquery-ui-1.10.4.custom.js").
Simply add it to your project instead of the version you are currently using now and, you are...
Why does ReSharper tell me “implicitly captured closure”?
...ed by those two objects and, surprise surprise, the Foo keeps the captures from the Bar event's lamba alive and vice-versa. I come from C++ where this approach would have worked just fine, and was more than a little astonished to find the rules were different here. The more you know, I guess.
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Convert a character digit to the corresponding integer in C
...ntage of strtol, of course, is that you may well need to read other things from the same string that come after the number.
– dfeuer
Jul 21 '12 at 21:30
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Can I use a hash sign (#) for commenting in PHP?
... in which case "#" makes its appearance. And perl gets its comment syntax from the unix-ey shells.
– Gerard ONeill
Jun 17 '19 at 12:41
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What would cause an algorithm to have O(log n) complexity?
...e you see an O(log n) algorithm... where on earth does that logarithm come from? However, it turns out that there's several different ways that you can get a log term to show up in big-O notation. Here are a few:
Repeatedly dividing by a constant
Take any number n; say, 16. How many times can y...
What is the difference between ? and Object in Java generics?
...ap<String, Object>. Say you want to write a method that accepts maps from Strings to anything: If you would write
public void foobar(Map<String, Object> ms) {
...
}
you can't supply a HashMap<String, String>. If you write
public void foobar(Map<String, ?> ms) {
.....
How to include (source) R script in other scripts
I've created a utility R script, util.R, which I want to use from other scripts in my project.
What is the proper way to ensure that the function this script defines are available to function in my other scripts?
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