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How to get the return value from a thread in python?

...processing module has a nice interface for this using the Pool class. And if you want to stick with threads rather than processes, you can just use the multiprocessing.pool.ThreadPool class as a drop-in replacement. def foo(bar, baz): print 'hello {0}'.format(bar) return 'foo' + baz from mult...
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How to copy an object in Objective-C

...lways with reference types, there are two notions of "copy". I'm sure you know them, but for completeness. A bitwise copy. In this, we just copy the memory bit for bit - this is what NSCopyObject does. Nearly always, it's not what you want. Objects have internal state, other objects, etc, and ofte...
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How can I store my users' passwords safely?

... salted hashes: add pepper If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically) salted password hashes. There is a simple, drop in class that securely implements this pattern, I recommend: Netsilik/PepperedPasswords (github). It comes with...
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What is the function __construct used for?

...structor). You are not required to define a constructor in your class, but if you wish to pass any parameters on object construction then you need one. An example could go like this: class Database { protected $userName; protected $password; protected $dbName; public function __construct ...
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Redirecting from HTTP to HTTPS with PHP

... Try something like this (should work for Apache and IIS): if (empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] === "off") { $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; header('HTTP/1.1 301 Moved Permanently'); header('Location: ' . $location); ...
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Count characters in textarea

...why your code doesn't work if what you posted was incomplete, but without knowing that I can't know for sure. <!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-1.5.js"></script> <script> function countChar(val) { var...
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Shared-memory objects in multiprocessing

...s giant array as input (together with some other parameters). func with different parameters can be run in parallel. For example: ...
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Get value of a string after last slash in JavaScript

... When I know the string is going to be reasonably short then I use the following one liner... (remember to escape backslashes) // if str is C:\windows\file system\path\picture name.jpg alert( str.split('\\').pop() ); alert pops up ...
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Cooler ASCII Spinners? [closed]

... you get extra points if you can make a popping sound with they system speaker! – RCIX Apr 22 '10 at 1:51 4 ...
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Does Python have an ordered set?

...Documentation. This runs on Py2.6 or later and 3.0 or later without any modifications. The interface is almost exactly the same as a normal set, except that initialisation should be done with a list. OrderedSet([1, 2, 3]) This is a MutableSet, so the signature for .union doesn't match that of set...