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What is the global interpreter lock (GIL) in CPython?
...enever two threads have access to the same variable you have a problem.
In C++ for instance, the way to avoid the problem is to define some mutex lock to prevent two thread to, let's say, enter the setter of an object at the same time.
Multithreading is possible in python, but two threads cannot be...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
Unsigned integer overflow is well defined by both the C and C++ standards. For example, the C99 standard ( §6.2.5/9 ) states
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What makes Lisp macros so special?
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Think of what you can do in C or C++ with macros and templates. They're very useful tools for managing repetitive code, but they're limited in quite severe ways.
Limited macro/template syntax restricts their use. For example, you can't write a template whi...
The Definitive C Book Guide and List
...Axel-Tobias Schreiner (1993).
The code gets a bit convoluted. If you want C++, use C++. It only uses C90, of course.
Expert
Expert C Programming: Deep C Secrets - Peter van der Linden (1994). Lots of interesting information and war stories from the Sun compiler team, but a little dated in place...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
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Xantix: The shift in C/C++ is a logical shift, so it works fine. For Java, JavaScript, or D, you need to use the logical shift operator >>>. Plus probably the comparator != 0, and some unspecified number of parenthesis.
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When should I use std::thread::detach?
...So when should std::thread::detach should be used?
In properly maintained C++ code std::thread::detach should not be used at all. Programmer must ensure that all the created threads gracefully exit releasing all the acquired resources and performing other necessary cleanup actions. This implies tha...
When vectors are allocated, do they use memory on the heap or the stack?
...Assuming an implementation which actually has a stack and a heap (standard C++ makes no requirement to have such things) the only true statement is the last one.
vector<Type> vect;
//allocates vect on stack and each of the Type (using std::allocator) also will be on the stack
This is true,...
What's the difference between “declare class” and “interface” in TypeScript
...y being an instance of the base class.
To get really nerdy, if you have a C++ background, you can roughly think of interface as typedef and declare class as an extern declaration of a constructor that strictly lacks a definition in this compile unit.
From a pure consumption side (writing imperativ...
How to get error message when ifstream open fails
... and other people in the comments):
e.what() seemed at first to be a more C++-idiomatically correct way of implementing this, however the string returned by this function is implementation-dependant and (at least in G++'s libstdc++) this string has no useful information about the reason behind the ...
Declaration of Methods should be Compatible with Parent Methods in PHP
... a case of cargo-cult programming, since it conflicts with polymorphism in C++ and Java en.wikipedia.org/wiki/…
– Warbo
Apr 28 '14 at 16:34
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