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html5 - canvas element - Multiple layers

...o destination-over so that anything // that is drawn on to the canvas from this point on is drawn at the back // of what's already on the canvas context.globalCompositeOperation = 'destination-over'; // Draw a big yellow rectangle context.fillStyle = 'yellow'; con...
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Boolean operators && and ||

...o see if all or any of the comparisons are true, respectively. The results from these functions are sure to be length 1 so they are appropriate for use in if clauses, while the results from the vectorized comparison are not. (Though those results would be appropriate for use in ifelse. One final d...
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Programmatically shut down Spring Boot application

... demonstrates how the ExitCodeGenerator can be used. You could just return from the main method to exit gracefully (exit code 0). – Sotirios Delimanolis Nov 7 '19 at 18:11 add...
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Converting Epoch time into the datetime

I am getting a response from the rest is an Epoch time format like 8 Answers 8 ...
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What is the difference between git am and git apply?

... git apply would work for output from git format-patch as well but the changes would be unstaged and would need to be committed (thus creating a different commit point in the index they are applied to). With git am you would be carrying the commit informatio...
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are

... From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts on creating scala libraries wrapping java.time for scala such as scala-time. If targeting lower than SE 8 use one of the below. Als...
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Are list-comprehensions and functional functions faster than “for loops”?

...within a set of points, functional programming (using the starmap function from the built-in itertools module) turned out to be slightly slower than for-loops (taking 1.25 times as long, in fact). Here is the sample code I used: import itertools, time, math, random class Point: def __init__(se...
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon

...e include a source in your answer, so we can go ahead and learn the basics from it. – Shimmy Weitzhandler Jul 20 '10 at 18:20 6 ...
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How to handle the modal closing event in Twitter Bootstrap?

...den.bs.modal: This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete). And provide an example on how to use them: $('#myModal').on('hidden.bs.modal', function () { // do something… }) Legacy Bootstrap 2.3.2 answer Bootstrap's d...
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How can I break up this long line in Python?

...joining is that it only works with string literals, not with strings taken from variables, so things can get a little more hairy when you refactor. Also, you can only interpolate formatting on the combined string as a whole. Alternatively, you can join explicitly using the concatenation operator (...