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Group query results by month and year in postgresql
...ns). This tells the query that the SUM() should be applied for each unique combination of columns, which in this case are the month and year columns. The "1,2" part is a shorthand instead of using the column aliases, though it is probably best to use the full "to_char(...)" and "extract(...)" expres...
Can promises have multiple arguments to onFulfilled?
...ted as resolution value in the promise constructor. You can resolve with a composite value like an object or array.
I don't care about how any specific promises implementation does it, I wish to follow the w3c spec for promises closely.
That's where I believe you're wrong. The specification is...
Best way to require all files from a directory in ruby?
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@Pete, is this still true? See Rene's comment below.
– Andres Riofrio
Apr 17 '12 at 4:05
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Export a stash to another computer
I need a way to export a stashed change to another computer.
9 Answers
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Calling Java varargs method with single null argument?
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Python: Check if one dictionary is a subset of another larger dictionary
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How to get distinct values from an array of objects in JavaScript?
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No, because array_unique would compare the entire item, not just the age as is asked here.
– Niet the Dark Absol
Feb 28 '13 at 2:18
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I want to delete all bin and obj folders to force all projects to rebuild everything
...s. If your shell supports them, -print0 and -0 will work around this short-coming, so the above examples become:
find . -iname "bin" -print0 | xargs -0 rm -rf
find . -iname "obj" -print0 | xargs -0 rm -rf
and:
find . -iname "bin" -o -iname "obj" -print0 | xargs -0 rm -rf
If you are using Power...
How to save an HTML5 Canvas as an image on a server?
...50, 20, 250, 50);
context.bezierCurveTo(200, 5, 150, 20, 170, 80);
// complete custom shape
context.closePath();
context.lineWidth = 5;
context.fillStyle = '#8ED6FF';
context.fill();
context.strokeStyle = 'blue';
context.stroke();
</script>
Convert canvas image to URL f...
Presenting a UIAlertController properly on an iPad using iOS 8
... = button.bounds;
[self presentViewController:alertController animated:YES completion:nil];
Editing for Swift 4.2, though there are many blogs available for the same but it may save your time to go and search for them.
if let popoverController = yourAlert.popoverPresentationController {
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