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Count the number of occurrences of a character in a string in Javascript
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802
I have updated this answer. I like the idea of using a match better, but it is slower:
console...
How to create module-wide variables in Python? [duplicate]
...e true. But for variables that might contain a number value that might be 0, you can't just say if not variablename; in that case, you should explicitly test for None using the is operator. I modified the example to add an explicit None test. The explicit test for None is never wrong, so I defaul...
Making an array of integers in iOS
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160
You can use a plain old C array:
NSInteger myIntegers[40];
for (NSInteger i = 0; i < 40; i+...
Using Font Awesome icon for bullet points, with a single list item element
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250
Solution:
http://jsfiddle.net/VR2hP/
ul li:before {
font-family: 'FontAwesome';
co...
In a Bash script, how can I exit the entire script if a certain condition occurs?
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840
Try this statement:
exit 1
Replace 1 with appropriate error codes. See also Exit Codes With S...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
..., take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegr...
How do you post to an iframe?
... no DOCTYPE specified, and it works in all cases using Internet Explorer 7.0.5730.13. My test case consist of two files, using classic ASP on IIS 6; they're reproduced here in full so you can verify this behaviour for yourself.
default.asp
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
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20
You can have the script call itself with psexec's -h option to run elevated.
I'm not sure how y...
How to output in CLI during execution of PHP Unit tests?
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200
UPDATE
Just realized another way to do this that works much better than the --verbose command ...
Scatterplot with too many points
I am trying to plot two variables where N=700K. The problem is that there is too much overlap, so that the plot becomes mostly a solid block of black. Is there any way of having a grayscale "cloud" where the darkness of the plot is a function of the number of points in an region? In other words, ins...