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MySQL, Check if a column exists in a table with SQL
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10 Answers
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What is the difference between parseInt() and Number()?
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10 Answers
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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...
mailto link multiple body lines
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212
You can use URL encoding to encode the newline as %0A.
mailto:email@address.com?subject=test&a...
How do you reverse a string in place in JavaScript?
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51 Answers
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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...
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...