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Where do gems install?
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216
Look at your gem environment.
In a terminal run gem env
You should see an entry INSTALLATION ...
How to properly check if std::function is empty in C++11?
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105
You're not checking for an empty lambda, but whether the std::function has a callable target s...
How to view the list of compile errors in IntelliJ?
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161
I think this comes closest to what you wish:
(From IntelliJ IDEA Q&A for Eclipse Users):
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unsigned APK can not be installed
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answered Jan 29 '11 at 9:06
theAlsetheAlse
5,03777 gold badges5252 silver badges9999 bronze badges
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How to cancel a Task in await?
...= new CancellationTokenSource();
source.CancelAfter(TimeSpan.FromSeconds(1));
Task<int> task = Task.Run(() => slowFunc(1, 2, source.Token), source.Token);
// (A canceled task will raise an exception when awaited).
await task;
}
private int slowFunc(int a, int b, CancellationToken ...
Check whether a string contains a substring
...ns substring you can use the index function:
if (index($str, $substr) != -1) {
print "$str contains $substr\n";
}
It will return the position of the first occurrence of $substr in $str, or -1 if the substring is not found.
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What's the difference between lists enclosed by square brackets and parentheses in Python?
...A list is mutable, meaning you can change its contents:
>>> x = [1,2]
>>> x.append(3)
>>> x
[1, 2, 3]
while tuples are not:
>>> x = (1,2)
>>> x
(1, 2)
>>> x.append(3)
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
How to remove the first character of string in PHP?
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13 Answers
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fancybox - d.onCleanup is not a function
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1 Answer
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