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bash assign default value
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209
Use a colon:
: ${A:=hello}
The colon is a null command that does nothing and ignores its arg...
DbArithmeticExpression arguments must have a numeric common type
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edited Dec 14 '17 at 11:03
community wiki
7 r...
How to store CGRect values in NSMutableArray?
...eArray mutableArray];
[array addObject:[NSValue valueWithCGRect:CGRectMake(0,0,10,10)]];
CGRect someRect = [[array objectAtIndex:0] CGRectValue];
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throw Error('msg') vs throw new Error('msg')
... Yes. For current docs see: ecma-international.org/ecma-262/6.0/…
– theUtherSide
May 18 '18 at 0:27
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How to create a temporary directory?
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350
Use mktemp -d. It creates a temporary directory with a random name and makes sure that file does...
Determine Whether Integer Is Between Two Other Integers?
... given integer is between two other integers (e.g. greater than/equal to 10000 and less than/equal to 30000 )?
11 Answer...
Converting a Uniform Distribution to a Normal Distribution
...iform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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How to get the first word of a sentence in PHP?
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$myvalue = 'Test me more';
$arr = explode(' ',trim($myvalue));
echo $arr[0]; // will print Test
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How to make a chain of function decorators?
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answered Apr 11 '09 at 7:16
Paolo BergantinoPaolo Bergantino
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How to PUT a json object with an array using curl
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150
Your command line should have a -d/--data inserted before the string you want to send in the PUT...