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What does `void 0` mean? [duplicate]
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What does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It...
What is LDAP used for?
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I will focus on why using LDAP, not what is LDAP.
The use model is similar like how people use library cards or phonebooks. When you have a task that requires “write/update once, read/query many times”, you might consider using LDAP. LDAP is designed to pr...
What does (x ^ 0x1) != 0 mean?
... illustrate the 0 == ( x ^ 0x1 ) expression on binary level:
what? xxxxxxxx (8 bits)
xor 00000001 (hex 0x1 or 0x01, decimal 1)
gives 00000000
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the only answer is 00000001
so:
0 == ( x ^ 0x1 ) => x == 1
0 != ( ...
What's the difference between an argument and a parameter?
...gument or parameter or something else. Either way the other people know what I mean, but what's correct, and what's the history of the terms?
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
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Ah this is what I needed. Thanks. Here is a user-agent example: stackoverflow.com/a/15144495/891976
– David Ruhmann
Dec 17 '14 at 16:28
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Difference between static class and singleton pattern?
What real (i.e. practical) difference exists between a static class and a singleton pattern?
39 Answers
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What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
...e the CFBundleShortVersionString is optional and when it is set it changes what the CFBundleVersion is used for. If only including CFBundleVersion then it must be the public version number, e.g. 1.0. However if both the CFBundleVersion and CFBundleShortVersionString are set then the CFBundleShortVer...
count vs length vs size in a collection
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So what's a "looser collection"? I'm not seeing the difference between size and count here.
– Sophie Alpert
Oct 1 '09 at 23:47
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Press alt + numeric in bash and you get (arg [numeric]) what is that?
Press alt + numeric in bash and you get (arg [numeric]) what is that?
7 Answers
7
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What's the Hi/Lo algorithm?
What's the Hi/Lo algorithm?
5 Answers
5
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