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How to play audio?

... has a audio format compatibility table. new Audio() can play WAV files in all browsers except Internet Explorer. – Rory O'Kane Mar 15 '15 at 14:18 311 ...
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Renaming a virtualenv folder without breaking it

... You need to adjust your install to use relative paths. virtualenv provides for this with the --relocatable option. From the docs: Normally environments are tied to a specific path. That means that you cannot move an environment around or copy ...
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How to link C++ program with Boost using CMake

... In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation. As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common libraries. You could just check the documentation...
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Confused about __str__ on list in Python [duplicate]

Coming from a Java background, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language). ...
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What does “abstract over” mean?

...the similarities. We say that we abstract over the differences, but this really means we're integrating by the similarities. For example, consider a program that takes the sum of the numbers 1, 2, and 3: val sumOfOneTwoThree = 1 + 2 + 3 This program is not very interesting, since it's not very a...
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How can I distribute python programs?

...ugh I don't know how it works on Windows. You would on Windows have to install Python separately if you use distutils, in any case. I'd probably recommend that you distribute it with disutils for Linux, and Py2exe or something similar for Windows. For OS X I don't know. If it's an end user applicat...
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Generating random numbers in Objective-C

...te the S-Boxes via arc4random_addrandom(). There is no need to call arc4random_stir() before using arc4random(), since arc4random() automatically initializes itself. EXAMPLES The following produces a drop-in replacement for the traditional rand() and random() functions using ...
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What does the Reflect object do in JavaScript?

...ble: ES6 spec, Reflection MDN Reflect (including details and examples to all of its methods) Original answer (for (historic) understanding and extra examples): The Reflection proposal seems to have progressed to the Draft ECMAScript 6 Specification. This document currently outlines the Reflect...
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How can you dynamically create variables via a while loop? [duplicate]

I want to create variables dynamically via a while loop in Python. Does anyone have any creative means of doing this? 8 Ans...
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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...

...e\xtree(1775): 参见对正在编译的函数 模板 实例化“std::pair<_Ty1,_Ty2> std::_Tree<_Traits>::_Insert_nohint<std::pair<const _Kty,_Ty>&,_Nodety>(bool,_Valty,_Nodety)”的引用 1> with 1> [ 1> _Ty1=std::_Tree_iterator<std::_Tree_val<std::_Tree_simple_t...