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What does it mean to start a PHP function with an ampersand?
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157
An ampersand before a function name means the function will return a reference to a variable i...
docker mounting volumes on host
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156
The VOLUME command will mount a directory inside your container and store any files created or...
Encoding Javascript Object to Json string
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163
Unless the variable k is defined, that's probably what's causing your trouble. Something like...
Blocks on Swift (animateWithDuration:animations:completion:)
...es:
UIView.animateWithDuration(0.2, animations: {
self.blurBg.alpha = 1
}, completion: {
(value: Bool) in
self.blurBg.hidden = true
})
The important part here is the (value: Bool) in. That tells the compiler that this closure takes a Bool labeled 'value' and returns void.
For referen...
How to redirect to Index from another controller?
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answered Oct 25 '11 at 15:59
musefanmusefan
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How do I stop Notepad++ from showing autocomplete for all words in the file
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edited Sep 14 '17 at 18:24
ale
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an...
How to create a directory using nerdtree
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answered May 22 '10 at 21:59
housetierhousetier
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Pair/tuple data type in Go
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edited Mar 13 '18 at 10:29
Ivan Aracki
3,22366 gold badges4141 silver badges6060 bronze badges
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warning: implicit declaration of function
... a declaration ("prototype") yet.
For example:
int main()
{
fun(2, "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int ...