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What is __main__.py?

What is the __main__.py file for, what sort of code should I put into it, and when should I have one? 5 Answers ...
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What's a good way to extend Error in JavaScript?

...nvironments set the stack property, but fileName and lineNumber are practically useless to be used in inheritance. So, the minimalistic approach is: function MyError(message) { this.name = 'MyError'; this.message = message; this.stack = (new Error()).stack; } MyError.prototype = new Er...
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Add Variables to Tuple

... I think its important to note that tuples are immutable - they cannot actually be modified. What this solution does is create a new tuple based on two existing tuples. – That1Guy Jan 16 '19 at 20:58 ...
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Python assigning multiple variables to same value? list behavior

...the same identical value. Variables have types, identities, addresses, and all kinds of stuff like that. Names don't have any of that. Values do, of course, and you can have lots of names for the same value. If you give Notorious B.I.G. a hot dog,* Biggie Smalls and Chris Wallace have a hot dog. ...
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What is the meaning of “POSIX”?

... and I read it every time I encounter the term. The fact is that I never really understood what it is. 14 Answers ...
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Using custom std::set comparator

...should use a functor (a class that overloads the () operator so it can be called like a function). struct lex_compare { bool operator() (const int64_t& lhs, const int64_t& rhs) const { stringstream s1, s2; s1 << lhs; s2 << rhs; return s1.str()...
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simple HTTP server in Java using only Java SE API

... GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is there an analog for HTTP server functionality? ...
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Find merge commit which include a specific commit

...1_for_c>..master --ancestry-path --merges This will however also show all the merges that happened after h, and between e and g on feature. Comparing the result of the following commands: git rev-list <SHA-1_for_c>..master --ancestry-path git rev-list <SHA-1_for_c>..master --fi...
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Difference between abstract class and interface in Python

... @L.DeLeo - are you sure your notion of has-a vs. is-a is correct? I generally view the distinction as has-a = member variable vs. is-a = inheritance (parent class or interface). Think Comparable or List in Java; those are is-a relationships, regardless of whether they're interfaces or abstract cl...
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Context switches much slower in new linux kernels

...and dances to its own tune. In other words, even if you completely disable all C states in your PC's (or server's) BIOS, this driver will still force them on during periods of brief inactivity, which are almost always happening unless an all core consuming synthetic benchmark (e.g., stress) is runni...