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How to export plots from matplotlib with transparent background?
...Matplotlib so as to save you graph as a png file.
And if you want to turn all white pixel transparent, there's this other question : Using PIL to make all white pixels transparent?
If you want to turn an entire area to transparent, then there's this question: And then use the PIL library like in t...
What are good grep tools for Windows? [closed]
Any recommendations on grep tools for Windows? Ideally ones that could leverage 64-bit OS.
28 Answers
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Cancel a UIView animation?
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Thanks Stephen. Actually if you read the comments under my question this is exactly what I did do in the end - but since you've given a good, clear, account of it here I'm marking it as accepted
– philsquared
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How to create enum like type in TypeScript?
...elease) you can use the enum definition like this:
enum TShirtSize {
Small,
Medium,
Large
}
var mySize = TShirtSize.Large;
By default, these enumerations will be assigned 0, 1 and 2 respectively. If you want to explicitly set these numbers, you can do so as part of the enum declaration....
How to cancel a local git commit
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By the way, this is called --mixed in the manual.
– Josh Lee
Jan 31 '11 at 17:58
11
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How to calculate date difference in JavaScript?
... 24 hours, and any 'variation' in that due to Daylight Savings Time is actually a switch of timezones. If you don't distinguish between timezones already, trying to figure out a time difference is going to put you in a world of hurt, not least because the DST switchover 'repeats' time. Stay in one t...
Why cast an unused function parameter value to void?
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@Benoit what does casting to void actually do? Is its only function to show the compiler that you're intentionally ignoring something or does (void) actually do something and when the compiler sees it, it'll just count it as having done something with the variabl...
What is the difference between Modal and Push segue in Storyboards?
...visual indication:
A modal Segue is just one VC presenting another VC modally. The VCs don't have to be part of a navigation controller and the VC being presented modally is generally considered to be a "child" of the presenting (parent) VC. The modally presented VC is usually sans any navigatio...
Why are there no ++ and -- operators in Python?
...to give it its own special syntax; when you do need to increment, += is usually just fine.
It's not a decision of whether it makes sense, or whether it can be done--it does, and it can. It's a question of whether the benefit is worth adding to the core syntax of the language. Remember, this is fo...
How can I convert ereg expressions to preg in PHP?
...pha-numeric, a backslash or a whitespace character. The most used are generally ~, / and #.
You can also use matching brackets:
preg_match('[^hello]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escap...