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How to check whether a script is running under Node.js?
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By looking for CommonJS support, this is how the Underscore.js library does it:
Edit: to your updated question:
(function () {
// Establish the root object, `window` in the browser, or `global` on the server.
var root = this;
// Create a refer...
How does the main() method work in C?
... work.
Multiple signatures for main, as well as variable-length argument lists, is one of those features.
Programmers noticed that they can pass extra arguments to a function, and nothing bad happens with their given compiler.
This is the case if the calling conventions are such that:
The calli...
Is there any difference between a GUID and a UUID?
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The simple answer is: **no difference, they are the same thing.
2020-08-20 Update: While GUIDs (as used by Microsoft) and UUIDs (as defined by RFC4122) look similar and serve similar purposes, there are subtle-but-occasionally-important differ...
What is the difference between '/' and '//' when used for division?
Is there a benefit to using one over the other? In Python 2, they both seem to return the same results:
13 Answers
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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There is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
I found this in one of my libraries this morning:
7 Answers
7
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Optimal number of threads per core
... and I want to run some process in the minimum amount of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
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How can I prevent SQL injection in PHP?
If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection , like in the following example:
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What is a JavaBean exactly?
I understood, I think, that a "Bean" is a Java class with properties and getters/setters. As much as I understand, it is the equivalent of a C struct. Is that true?
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What is the best way to iterate over a dictionary?
I've seen a few different ways to iterate over a dictionary in C#. Is there a standard way?
30 Answers
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