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Reload django object from database
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Django now provides refresh_from_db method.
– Flimm
Jan 5 '17 at 13:48
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PHP Difference between array() and []
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@TheAlpha well, even today, I was curious to know if there was performance differences
– Cid
Oct 3 '19 at 8:40
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Why does the lock object have to be static?
... a comment above you rightly said: "You are just overcomplicating things," now I see 1 min before saying that, it seems you were overcomplicating things :)
– Nicholas Petersen
Jul 25 '16 at 16:59
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Declaring an enum within a class
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Nowadays - using C++11 - you can use enum class for this:
enum class Color { RED, BLUE, WHITE };
AFAII this does exactly what you want.
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css transform, jagged edges in chrome
...of the others did. Before adding this property, Chrome Android had issues. Now all browsers seem to work properly.
– Bernie Sumption
May 1 '15 at 14:06
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How to do the equivalent of pass by reference for primitives in Java
...r the desired effect. Directly helpful for something I'm working on right now! It is nuts that this question was closed.
– DarenW
Oct 18 '11 at 19:08
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Using margin:auto to vertically-align a div
So I know we can center a div horizontally if we use margin:0 auto; . Should margin:auto auto; work how I think it should work? Centering it vertically as well?
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HTML: How to limit file upload to be only images?
...le").value="; //clear the uploaded file
}
}
</script>
Now in the html part
<input type="file" onchange="chng()">
this code will check if the uploaded file is a jpg file or not and restricts the upload of other types
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Set custom attribute using JavaScript
...pport is required for the general web. I'd stick to using setAttribute for now.
– RobG
Jul 2 '12 at 0:46
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Set a default parameter value for a JavaScript function
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I know it's really minor, but I don't like how you are assigning a = a and b = b when those parameters are not undefined. Also, that ternary operator with a bit complicated condition may be hard to read for future maintainers. I...