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Is there a standard sign function (signum, sgn) in C/C++?
I want a function that returns -1 for negative numbers and +1 for positive numbers.
http://en.wikipedia.org/wiki/Sign_function
It's easy enough to write my own, but it seems like something that ought to be in a standard library somewhere.
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How to join two JavaScript Objects, without using JQUERY [duplicate]
I have two json objects obj1 and obj2, i want to merge them and crete a single json object.
The resultant json should have all the values from obj2 and the values from obj1 which is not present in obj2.
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
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edited Oct 11 '15 at 10:33
John Topley
104k4343 gold badges186186 silver badges234234 bronze badges
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How to filter out files by extension in NERDTree?
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301
You want the NERDTreeIgnore option. For example, in your .vimrc:
let NERDTreeIgnore = ['\.pyc$'...
C# List to string with delimiter
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1250
You can use String.Join. If you have a List<string> then you can call ToArray first:
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Practical usage of setjmp and longjmp in C
...B(); // forward declaration
void routineA()
{
int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
printf("(A2) r=%d\n",r);
r = setjmp(bufferA);
if (r == 0) longjmp(bufferB, 20001);
printf("(A3) r=%d\n",r);
r = setjmp(bufferA);
if (r ...
iOS forces rounded corners and glare on inputs
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184
The version I had working is:
input {
-webkit-appearance: none;
}
In some webkit browser ...
The character encoding of the HTML document was not declared
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edited Nov 27 '12 at 1:10
jme
28222 silver badges1919 bronze badges
answered Oct 10 '12 at 12...
Mongoose (mongodb) batch insert?
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165
Model.create() vs Model.collection.insert(): a faster approach
Model.create() is a bad way to...