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GetHashCode Guidelines in C#
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The answer is mostly, it is a valid guideline, but perhaps not a valid rule. It also doesn't tell the whole story.
The point being made is that for mutable types, you cannot base the hash code on the mutable data because two equal obje...
Time complexity of Euclid's Algorithm
...what the time complexity of Euclid's greatest common denominator algorithm is. This algorithm in pseudo-code is:
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What is the difference between null and undefined in JavaScript?
I want to know what the difference is between null and undefined in JavaScript.
33 Answers
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What is the difference between Polymer elements and AngularJS directives?
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You're not the first to ask this question :) Let me clarify a couple of things before getting to your questions.
Polymer's webcomponents.js is a library that contains several polyfills for various W3C APIs that fall under the Web Components umbrella. Th...
Web Service vs WCF Service
What is the difference between them?
6 Answers
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What is the difference between JavaScript and ECMAScript?
...ence between ECMAScript and JavaScript? From what I've deduced, ECMAScript is the standard and JavaScript is the implementation. Is this correct?
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Is it possible to print a variable's type in standard C++?
... old question: Print variable type in C++.
The accepted (and good) answer is to use typeid(a).name(), where a is a variable name.
Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For example decltype(a) a...
Alternatives to gprof [closed]
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Valgrind has an instruction-count profiler with a very nice visualizer called KCacheGrind. As Mike Dunlavey recommends, Valgrind counts the fraction of instructions for which a procedure is live on the stack, although I'm sorry to say it appears to become confused in the presence of m...
Easiest way to check for an index or a key in an array?
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To check if the element is set (applies to both indexed and associative array)
[ ${array[key]+abc} ] && echo "exists"
Basically what ${array[key]+abc} does is
if array[key] is set, return abc
if array[key] is not set, return nothing
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What is lexical scope?
What is a brief introduction to lexical scoping?
18 Answers
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