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Number of days between two NSDates [duplicate]
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16 Answers
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How do I select child elements of any depth using XPath?
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161
You're almost there. Simply use:
//form[@id='myform']//input[@type='submit']
The // shortcu...
bool to int conversion
...rted to one.
As for C, as far as I know there is no bool in C. (before 1999) So bool to int conversion is relevant in C++ only. In C, 4<5 evaluates to int value, in this case the value is 1, 4>5 would evaluate to 0.
EDIT: Jens in the comment said, C99 has _Bool type. bool is a macro def...
How do I set the proxy to be used by the JVM
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Best way to display decimal without trailing zeroes
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How does one generate a random number in Apple's Swift language?
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Swift 4.2+
Swift 4.2 shipped with Xcode 10 introduces new easy-to-use random functions for many data types.
You can call the random() method on numeric types.
let randomInt = Int.random(in: 0..<6)
let randomDouble = Double.random(in: 2.71828...3.14159)
let rand...
How to convert array values to lowercase in PHP?
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10 Answers
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Right query to get the current number of connections in a PostgreSQL DB
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edited Jan 13 '14 at 1:34
informatik01
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
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Edit: T...