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Does Python have a package/module management system?
...omparison, in the same situation, Ruby prints this message, which explains what's going on and how to fix it:
Please update your PATH to include build tools or download the DevKit from http://rubyinstaller.org/downloads and follow the instructions at http://github.com/oneclick/rubyinstaller/wiki...
What is the difference between a JavaBean and a POJO?
I'm not sure about the difference. I'm using Hibernate and, in some books, they use JavaBean and POJO as an interchangeable term. I want to know if there is a difference, not just in the Hibernate context, but as general concepts.
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Use dynamic variable names in JavaScript
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But what if my dynamic variable is local in a function? for example: function boink() { var a = 1; // this will not work var dynamic = this['a']; // this also wont work var dynamic = ['a']; }
– Ko...
jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
...y
it("should work", function(){
//...
});
It doesn't make a difference what the done argument is named, its existence is all that matters. I ran into this issue from too much copy/pasta.
The Jasmine Asynchronous Support docs note that argument (named done above) is a callback that can be called...
Can't pickle when using multiprocessing Pool.map()
... (from the default 1000) but I had no joy there. To be honest, I can't see what part (of my code, at least) could be recursing out of control, unless for some reason the code is pickling and unpickling in a loop, due to slight changes I made in order to make Steven's code OO'd?
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What does T&& (double ampersand) mean in C++11?
...s constructor takes an int. Well, we could instead use A1 const&, but what if foo takes the constructor argument by non-const reference? To make a truly generic factory function, we would have to overload factory on A1& and on A1 const&. That might be fine if factory takes 1 parameter...
What is the official “preferred” way to install pip and virtualenv systemwide?
... is that you want system-wide installations of pip and virtualenv, this is what I generally do. The instructions from the pip docs that are given as the second alternative in the question are based on the premise that we're avoiding installing anything system-wide.
– Carl Meyer...
git revert back to certain commit [duplicate]
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I have been using this approach but what do you need to do in order to safely be able to commit on another machine? (instead git pull -f origin master)
– Christophe De Troyer
Jan 8 '16 at 15:30
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How do I check if an object has a specific property in JavaScript?
...n worse, x.key will give you completely misleading results.
It depends on what you're looking for. If you want to know if an object physically contains a property (and it is not coming from somewhere up on the prototype chain) then object.hasOwnProperty is the way to go. All modern browsers support...
How to remove selected commit log entries from a Git repository while keeping their changes?
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This works too and helped me to understand what a soft reset is. Granted, the "top" answer is right too and shorter, but thanks for this answer as well.
– cgp
Apr 26 '12 at 15:37
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