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How can I use threading in Python?

...ticle/blog post that you should definitely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code: from multiprocessing.dummy import Pool as ThreadPool pool = ThreadPool(4) results = pool.m...
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Why does GCC generate such radically different assembly for nearly the same C code?

...e(). I'll spare you the assembly, but it is identical - register names and all. Step 2: Mathematical reduction: x + (y ^ x) = y sign can only take one of two values, 0 or 0x80000000. When x = 0, then x + (y ^ x) = y then trivial holds. Adding and xoring by 0x80000000 is the same. It flips the sign...
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Best way to make Django's login_required the default

...p, the vast majority of which requires a login to access. This means that all throughout our app we've sprinkled: 9 Answer...
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What is a plain English explanation of “Big O” notation?

...a notation "Θ" (which is a two-side bound). In my experience, this is actually typical of discussions in non-academic settings. Apologies for any confusion caused. Big O complexity can be visualized with this graph: The simplest definition I can give for Big-O notation is this: Big-O notation is ...
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Does Swift support reflection?

...s to me it's just a hack to enable debugging in Xcode. Protocol Mirror actually quotes the word IDE several times. – Sulthan Jun 6 '14 at 7:50 7 ...
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multiprocessing: sharing a large read-only object between processes?

...ults from stdin, does work, writes intermediate results on stdout. Connect all the workers as a pipeline: process1 <source | process2 | process3 | ... | processn >result Each process reads, does work and writes. This is remarkably efficient since all processes are running concurrently. T...
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How can I quickly sum all numbers in a file?

... For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer: % perl -nle '$sum += $_ } END { print $sum' If you're curious what Perl one-liners do, you can deparse them: % perl -MO=Deparse -nle '$sum += $_ } END ...
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How do I count a JavaScript object's attributes? [duplicate]

...ry object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free." Here's one way...
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How to reverse a string in Go?

...size of the input in bytes. It does not correspond to its length. - Not all utf8's runes are of the same size. It can be either 1, 2, 4, or 8. - You should use unicode/ut8 package's method RuneCountInString to get the length of the rune. – Anvesh Checka M...
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Converting any string into camel case

... Looking at your code, you can achieve it with only two replace calls: function camelize(str) { return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(word, index) { return index === 0 ? word.toLowerCase() : word.toUpperCase(); }).replace(/\s+/g, ''); } camelize("EquipmentClass name"...