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check if a std::vector contains a certain object? [duplicate]
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3 Answers
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Can I assume (bool)true == (int)1 for any C++ compiler?
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134
Yes. The casts are redundant. In your expression:
true == 1
Integral promotion applies and t...
Bash set +x without it being printed
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edited Oct 7 '13 at 13:39
Joshua Dwire
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PHP - how to best determine if the current invocation is from CLI or web server?
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313
php_sapi_name is the function you will want to use as it returns a lowercase string of the int...
What is the best way to clear a session variable in rails?
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237
session.delete(:message)
In general, session variable is SessionHash object, which is inherit...
How do I set a column value to NULL in SQL Server Management Studio?
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339
I think @Zack properly answered the question but just to cover all the bases:
Update myTabl...
Why use a prime number in hashCode?
...lipse to generate my hashCode() method there is always the prime number 31 used:
9 Answers
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Get loop counter/index using for…of syntax in JavaScript
...oth the value and the index to the function you give it:
var myArray = [123, 15, 187, 32];
myArray.forEach(function (value, i) {
console.log('%d: %s', i, value);
});
// Outputs:
// 0: 123
// 1: 15
// 2: 187
// 3: 32
Or ES6’s Array.prototype.entries, which now has support across current br...
What is the advantage of using forwarding references in range-based for loops?
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3 Answers
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how to make svn diff show only non-whitespace line changes between two revisions
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edited May 21 '19 at 13:17
Marco Sulla
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ans...