大约有 40,000 项符合查询结果（耗时：0.0614秒） [XML]
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 ...
Detect 7 inch and 10 inch tablet programmatically
...y find whether the device the app is installed on is a 7 inch tablet or a 10 inch tablet?
13 Answers
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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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What is the most efficient Java Collections library? [closed]
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Istvan
5,83566 gold badges4040 silver badges7878 bronze badges
answered Mar 10 '09 at 11:59
Jon SkeetJon Skeet
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