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Why does SSL handshake give 'Could not generate DH keypair' exception?

...s JCE provider suggestion did. Here are the steps I took using Java 1.6.0_65-b14-462 on Mac OSC 10.7.5 1) Download these jars: bcprov-jdk15on-154.jar bcprov-ext-jdk15on-154.jar 2) move these jars to $JAVA_HOME/lib/ext 3) edit $JAVA_HOME/lib/security/java.security as follows: security.provid...
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Creating a blocking Queue in .NET?

...ublic class BlockingQueue<T> { private readonly Subject<T> _queue; private readonly IEnumerator<T> _enumerator; private readonly object _sync = new object(); public BlockingQueue() { _queue = new Subject<T>(); _enumerator = _queue.GetEnume...
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Remove a string from the beginning of a string

... Plain form, without regex: $prefix = 'bla_'; $str = 'bla_string_bla_bla_bla'; if (substr($str, 0, strlen($prefix)) == $prefix) { $str = substr($str, strlen($prefix)); } Takes: 0.0369 ms (0.000,036,954 seconds) And with: $prefix = 'bla_'; $str = 'bla_string...
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Can you test google analytics on a localhost address?

...r setting the tracking domain to none on google analytics looks like this: _gaq.push(['_setDomainName', 'none']); Google analytics will then fire off the _utm.gif tracker request on localhost. You can verify this by opening the developer tools in your favorite browser and watching the network reque...
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What exactly are iterator, iterable, and iteration?

...and iterator have specific meanings. An iterable is an object that has an __iter__ method which returns an iterator, or which defines a __getitem__ method that can take sequential indexes starting from zero (and raises an IndexError when the indexes are no longer valid). So an iterable is an object...
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Using mixins vs components for code reuse in Facebook React

...nding fields. Source (gist) define(function () { 'use strict'; var _ = require('underscore'); var ValidationMixin = { getInitialState: function () { return { errors: [] }; }, componentWillMount: function () { this.assertValidatorsDefined(); }, ...
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What is the Python equivalent of Matlab's tic and toc functions?

...) - t I have a helper class I like to use: class Timer(object): def __init__(self, name=None): self.name = name def __enter__(self): self.tstart = time.time() def __exit__(self, type, value, traceback): if self.name: print('[%s]' % self.name,) ...
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Difference between Role and GrantedAuthority in Spring Security

...hat says that a role is a GrantedAuthority that starts with the prefix ROLE_. There's nothing more. A role is just a GrantedAuthority - a "permission" - a "right". You see a lot of places in spring security where the role with its ROLE_ prefix is handled specially as e.g. in the RoleVoter, where the...
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How to print a percentage value in python?

...If you don't want integer division, you can import Python3's division from __future__: >>> from __future__ import division >>> 1 / 3 0.3333333333333333 # The above 33% example would could now be written without the explicit # float conversion: >>> print "{0:.0f}%".format...
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How to run functions in parallel?

...starting' for i in xrange(10000000): pass print 'func2: finishing' if __name__ == '__main__': p1 = Process(target=func1) p1.start() p2 = Process(target=func2) p2.start() p1.join() p2.join() The mechanics of starting/joining child processes can easily be encapsulated into a functio...