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How do Python's any and all functions work?

I'm trying to understand how the any() and all() Python built-in functions work. 8 Answers ...
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How to avoid isset() and empty()

I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts. ...
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To ARC or not to ARC? What are the pros and cons? [closed]

...ge collection. It has no GC runtime overhead. The compiler inserts retains and releases in all the places you should have anyway. But it's smarter than you and can optimize out the ones that aren't actually needed (just like it can unroll loops, eliminate temporary variables, inline functions, etc.)...
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Solutions for distributing HTML5 applications as desktop applications? [closed]

...by GitHub for building cross-platform desktop applications with HTML, CSS, and JavaScript. Electron accomplishes this by combining Chromium and Node.js into a single runtime and apps can be packaged for Mac, Windows, and Linux. (source) The folks at github use this to provide their code editor Ato...
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How does #include work in C++? [duplicate]

...ude any other header files. How does #include <bits/stdc++.h> work and is it ok to use it instead of including individual header files? ...
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What is “2's Complement”?

I'm in a computer systems course and have been struggling , in part, with Two's Complement . I want to understand it but everything I've read hasn't brought the picture together for me. I've read the wikipedia article and various other articles, including my text book . ...
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What are the differences between concepts and template constraints?

...w what are the semantic differences between the C++ full concepts proposal and template constraints (for instance, constraints as appeared in Dlang or the new concepts-lite proposal for C++1y ). ...
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Difference between a “coroutine” and a “thread”?

What are the differences between a "coroutine" and a "thread"? 6 Answers 6 ...
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What is the difference between ng-if and ng-show/ng-hide

I'm trying to understand the difference between ng-if and ng-show / ng-hide , but they look the same to me. 12 Answers ...
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What is the difference between tree depth and height?

... The difference between them is that in one case you count number of nodes and in other number of edges on the shortest path between root and concrete node. Which is which? ...