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Releasing memory in Python

...ere a way to force Python to release all the memory that was used (if you know you won't be using that much memory again)? No, there is not. But there is an easy workaround: child processes. If you need 500MB of temporary storage for 5 minutes, but after that you need to run for another 2 hours a...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

.../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 Cachegrind and VTune. ...
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Where do you store your salt strings?

...g the calculations for brute-forcing the hash), thus the argument that by knowing the salt someone could "generate a rainbow table" is spurious. There's no real point in storing salts in a separate file as long as they're on a per-user basis - the point of the salt is simply to make it so that one ...
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Rotated elements in CSS that affect their parent's height correctly

...dth of your element is small enough that the text wraps: */ white-space: nowrap; } Stack snippet demo p { /* Tweak the visuals of the paragraphs for easier visualiation: */ background: pink; margin: 1px 0; border: 1px solid black; } .rotation-wrapper-outer { display: table;...
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Is there YAML syntax for sharing part of a list or map?

So, I know I can do something like this: 5 Answers 5 ...
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How to automatically generate a stacktrace when my program crashes

...9/csu/../sysdeps/i386/elf/start.S:122(_start)[0x8049801] If you want to know the gory details, the best source is unfortunately the source: See http://sourceware.org/git/?p=glibc.git;a=blob;f=debug/segfault.c and its parent directory http://sourceware.org/git/?p=glibc.git;a=tree;f=debug ...
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Is it possible to center text in select box?

...60328192510/http://filamentgroup.com/lab/… Here is the improved version now that filamentgroup's is no longer maintained. github.com/fnagel/jquery-ui – cdignam Aug 16 '17 at 15:43 ...
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What is the minimum valid JSON?

...carefully read the JSON description http://json.org/ but I'm not sure I know the answer to the simple question. What strings are the minimum possible valid JSON? ...
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Any difference between First Class Function and High Order Function

...pass a function as an argument to another function. The latter function is now "higher order". It is a function that takes a function as an argument. The canonical example is "map" map :: (a -> b) -> [a] -> [b] map f [] = [] map f (x:xs) = f x : map f xs That is, it takes a function...
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Prevent flicker on webkit-transition of webkit-transform [duplicate]

... Note, when using translate3d(0,0,0) anywhere Chrome now breaks any background-position: cover that you may or may not have. – justnorris Jul 31 '13 at 10:49 ...