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Installing Python packages from local file system folder to virtualenv with pip

Is it possible to install packages using pip from the local filesystem? 10 Answers 10 ...
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std::enable_if to conditionally compile a member function

... I want to use std::enable_if to choose between two member-functions and allow only one of them to be used. 7 Answers ...
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Is there a performance gain in using single quotes vs double quotes in ruby?

...0 Benchmark.bm(15) do |x| x.report("assign single") { n.times do; c = 'a string'; end} x.report("assign double") { n.times do; c = "a string"; end} x.report("concat single") { n.times do; 'a string ' + 'b string'; end} x.report("concat double") { n.times do; "a string " + "b string"; end} en...
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How to convert a Django QuerySet to a list

... Why not just call list() on the Queryset? answers_list = list(answers) This will also evaluate the QuerySet/run the query. You can then remove/add from that list. ...
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When is it appropriate to use UDP instead of TCP? [closed]

...l data amount transmitted was about the same for both IP and TCP. We have extra overhead with the UDP communications because we have some of the same stuff that you get for "free" with TCP/IP (checksums, sequence numbers, etc.). For example, Wireshark showed that a request for the next set of reco...
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UIPanGestureRecognizer - Only vertical or horizontal

I have a view that has a UIPanGestureRecognizer to drag the view vertically. So in the recognizer callback, I only update the y-coordinate to move it. The superview of this view, has a UIPanGestureRecognizer that will drag the view horizontally, just updating the x-coordinate. ...
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What is the difference between self-types and trait subclasses?

...nt A. Consider the following examples: scala> trait User { def name: String } defined trait User scala> trait Tweeter { | user: User => | def tweet(msg: String) = println(s"$name: $msg") | } defined trait Tweeter scala> trait Wrong extends Tweeter { | def n...
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Are global variables in PHP considered bad practice? If so, why?

...panded type declarations, where you can also use scalar types (like int or string). share | improve this answer | follow | ...
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node.js, socket.io with SSL

...the keystore by yourself with keytool command in java), you should add the extra option rejectUnauthorized var socket = io.connect('https://localhost', {rejectUnauthorized: false}); share | improv...
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When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]

...g on the set of features you require of Twisted, the (relatively painless) extra complexity of mixing Gevent and Twisted might not be worth the trouble.) share | improve this answer | ...