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Using multiple let-as within a if-statement in Swift
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Add to Array jQuery
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301
For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objec...
Android - Activity vs FragmentActivity? [duplicate]
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How would I get a cron job to run every 30 minutes?
I'm looking to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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How to output a comma delimited list in jinja python template?
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How to get unique values in an array
... arr.push(this[i]);
}
}
return arr;
}
var duplicates = [1, 3, 4, 2, 1, 2, 3, 8];
var uniques = duplicates.unique(); // result = [1,3,4,2,8]
console.log(uniques);
For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is e...
How to set UICollectionViewDelegateFlowLayout?
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How to re import an updated package while in Python Interpreter? [duplicate]
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Update for Python3: (quoted from the already-answered answer, since the last edit/comment here...
Difference Between Invoke and DynamicInvoke
...alidated. For example:
Func<int,int> twice = x => x * 2;
int i = 3;
int j = twice.Invoke(i);
// or just:
int j = twice(i);
However! If you just know that it is Delegate, it has to resolve the parameters etc manually - this might involve unboxing, etc - a lot of reflection is going on. Fo...