大约有 37,000 项符合查询结果（耗时：0.0532秒） [XML]
How do I fit an image (img) inside a div and keep the aspect ratio?
... = function() {
if(img.height > img.width) {
img.height = '100%';
img.width = 'auto';
}
};
}());
</script>
CSS
#container {
width: 48px;
height: 48px;
}
#container img {
width: 100%;
}
If you use a JavaScript Library you might want to take advantage o...
Get unique values from a list in python [duplicate]
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30 Answers
30
Active
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When to wrap quotes around a shell variable?
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140
General rule: quote it if it can either be empty or contain spaces (or any whitespace really) or...
What is a magic number, and why is it bad? [closed]
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edited Sep 4 '17 at 16:06
Lii
9,33555 gold badges5151 silver badges7070 bronze badges
answered Sep 6 ...
Catch a thread's exception in the caller thread in Python
...int exc_type, exc_obj
print exc_trace
thread_obj.join(0.1)
if thread_obj.isAlive():
continue
else:
break
if __name__ == '__main__':
main()
share
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What is the C# equivalent of NaN or IsNumeric?
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This doesn't have the regex overhead
double myNum = 0;
String testVar = "Not A Number";
if (Double.TryParse(testVar, out myNum)) {
// it is a number
} else {
// it is not a number
}
Incidentally, all of the standard data types, with the glaring exception of GUIDs, suppo...
VB.NET equivalent to C# var keyword [duplicate]
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edited Apr 5 '18 at 13:30
UuDdLrLrSs
6,47577 gold badges3232 silver badges5353 bronze badges
answered ...
Query for documents where array size is greater than 1
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510
Update:
For mongodb versions 2.2+ more efficient way to do this described by @JohnnyHK in anoth...
log4net hierarchy and logging levels
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edited Dec 20 '16 at 16:40
Morteza Tourani
3,45255 gold badges3434 silver badges4444 bronze badges
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