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What is the meaning of the term arena in relation to memory?
...allocator, and if you use this knowledge your custom allocator will always win. Allocators are not magic. An arena is useful if you have a lot of items that all die at the same, well-defined point in time. That's pretty much all you need to know. It's not rocket-science.
– Andr...
Why should a Java class implement comparable?
...thout the need to
specify a comparator.
Edit: ..and made the important bit bold.
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Convert to binary and keep leading zeros in Python
...the leading zeros, which I actually need, such that the result is always 8-bit:
9 Answers
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...ding to pypy.org/download.html, PyPy needs 4 GB of RAM to compile (on a 64-bit system), not 8. And there's an option on that page to do it under 3 GB if needed.
– knite
Oct 29 '15 at 23:11
...
Sorting object property by values
...Speed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (var vehicle in maxSpeed) {
sortable.push([vehicle, maxSpeed[vehicle]]);
}
sortable.sort(function(a, b) {
return a[1] - b[1];
});
//[["bi...
How to convert a byte array to a hex string in Java?
...s);
}
My own tiny benchmarks (a million bytes a thousand times, 256 bytes 10 million times) showed it to be much faster than any other alternative, about half the time on long arrays. Compared to the answer I took it from, switching to bitwise ops --- as suggested in the discussion --- cut about 2...
Can a C# lambda expression have more than one statement?
... to say C# treats all whitespace, including newlines, equally? It sounds a bit misleading to say it ignores newlines - it makes it seem like it just strips them out completely, and you could split a keyword across a newline or something.
– Tesserex
Apr 13 '11 a...
Android WebView: handling orientation changes
...nce following rotation. The WebView has to reload the page, which can be a bit tedious.
20 Answers
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How do I change the default location for Git Bash on Windows?
... on QuickEdit mode through the same properties dialog to make copy/paste a bit easier and set the window size/buffer/font properties and such...
– johnny
Oct 6 '11 at 12:36
2
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Changing capitalization of filenames in Git
... X or Windows). Doing git mv commands will tire quickly. To make things a bit easier this is what I do:
Move all files outside of the directory to, let’s, say the desktop.
Do a git add . -A to remove all files.
Rename all files on the desktop to the proper capitalization.
Move all the files bac...