大约有 48,000 项符合查询结果（耗时：0.0734秒） [XML]
Access an arbitrary element in a dictionary in Python
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612
On Python 3, non-destructively and iteratively:
next(iter(mydict.values()))
On Python 2, non-...
What is the difference between precision and scale?
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205
Precision 4, scale 2: 99.99
Precision 10, scale 0: 9999999999
Precision 8, scale 3: 99999.99...
Java: parse int value from a char
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String element = "el5";
int x = Character.getNumericValue(element.charAt(2));
System.out.println("x=" + x);
produces:
x=5
The nice thing about getNumericValue(char) is that it also works with strings like "el٥" and "el५" where ٥ and ५ are the digits 5 in Eastern Arabic and Hindi/Sanskri...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
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472
For longitudes use: Decimal(9,6), and latitudes use: Decimal(8,6)
If you're not used to precisi...
List of Delphi language features and version in which they were introduced/deprecated
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What's new in Rad Studio 10.3 Rio
What's new in Delphi and C++Builder 10.2 Tokyo
What's new in Delphi and C++Builder 10.1 Berlin
What's new in Delphi and C++Builder 10 Seattle
What's new in Delphi and C++Builder XE8
What's New in Delphi and C++Builder XE7
What's New in Delphi and C++Build...
count(*) vs count(column-name) - which is more correct? [duplicate]
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edited May 23 '17 at 11:54
Community♦
111 silver badge
answered Jun 9 '10 at 6:29
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What Xcode keyboard shortcuts do you use regularly? [closed]
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254
I find the shortcuts to open & close various areas of the screen must useful.
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Limiting number of displayed results when using ngRepeat
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AgDude
1,13711 gold badge1010 silver badges2525 bronze badges
answered Jul 14 '13 at 21:07
StewieStewie
59.5k1919 gold ba...
How to automatically generate a stacktrace when my program crashes
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28 Answers
28
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C/C++ check if one bit is set in, i.e. int variable
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21 Answers
21
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