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Where do “pure virtual function call” crashes come from?

...programs that crash on my computer with the error: "pure virtual function call". 8 Answers ...
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Basic http file downloading and saving to disk in python?

... Any possibility to save in /myfolder/file.gz ? – John Snow Mar 16 '14 at 17:57 17 ...
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How to modify a text file?

... This is an operating system thing, not a Python thing. It is the same in all languages. What I usually do is read from the file, make the modifications and write it out to a new file called myfile.txt.tmp or something like that. This is better than reading the whole file into memory because the f...
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?

...e to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed! ...
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How to use Boost in Visual Studio 2010

...te's answer is pretty good already, I'm going to expand on it more specifically for Visual Studio 2010 as requested, and include information on compiling in the various optional components which requires external libraries. If you are using headers only libraries, then all you need to do is to unar...
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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm

... on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once npm tries to resolve the ' https:/...
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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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Recursive search and replace in text files on Mac and Linux

...the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do). ...
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”

I would like install R on my laptop Mac OS X version 10.7.3 6 Answers 6 ...
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Casting vs using the 'as' keyword in the CLR

...d within the if body.) That's slightly annoying in some cases, so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast. I don't think any of the answers so far (at the time of starting this answer!) have r...