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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...
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How to change past commit to include a missed file?

...s that the case even if I am the only user of the remote repo? Wouldn't it allow me to do git push -f if I am sure the upstream didn't change? – kolrie Jan 16 '13 at 22:48 1 ...
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Is ServiceLocator an anti-pattern?

...re it does not fit, then YES it's an anti pattern. But with that reasoning all patterns would also be anti patterns. Instead we have to look if there are valid usages of the patterns, and for Service Locator there are several use cases. But let's start by looking at the examples that you have given....
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How to access parent scope from within a custom directive *with own scope* in AngularJS?

...quire, passing in variables (or the scope itself) from above, etc. I'm totally willing to bend over backwards, but I want to avoid something totally hacky or unmaintainable. For example, I know I could do it right now by taking the $scope from the preLink parameters and iterating over it's $sib...
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How to filter specific apps for ACTION_SEND intent (and set a different text for each app)

...tion in various ways, but nobody has answered it completely yet. My spec called for the user to be able to choose email, twitter, facebook, or SMS, with custom text for each one. Here is how I accomplished that: public void onShareClick(View v) { Resources resources = getResources(); Inte...
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Cancel a UIView animation?

... 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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.gitignore exclude folder but include specific subfolder

...” every parent directory of anything that you want to “unignore”. Usually you end up writing rules for this situation in pairs: ignore everything in a directory, but not some certain subdirectory. # you can skip this first one if it is not already excluded by prior patterns !application/ app...
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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....
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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...
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Getting all selected checkboxes in an array

... want to use jQuery var array = [] var checkboxes = document.querySelectorAll('input[type=checkbox]:checked') for (var i = 0; i < checkboxes.length; i++) { array.push(checkboxes[i].value) } share | ...