大约有 40,000 项符合查询结果(耗时:0.0429秒) [XML]

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How to convert date to timestamp?

... RobG 117k2727 gold badges145145 silver badges175175 bronze badges answered Mar 26 '12 at 13:50 The AlphaThe A...
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How do you create a random string that's suitable for a session ID in PostgreSQL?

I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this? ...
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Why are C character literals ints instead of chars?

In C++, sizeof('a') == sizeof(char) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard. ...
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How do you check if a selector matches something in jQuery? [duplicate]

... if ($('target')) { ... } . Does if ($('#target')) { ... } in jQuery work the same way? 11 Answers ...
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Is there a macro recorder for Eclipse? [closed]

Is there a good Eclipse plugin for recording and playing back macros? 9 Answers 9 ...
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Is there a CSS selector for the first direct child only?

... MatchuMatchu 74.3k1414 gold badges145145 silver badges157157 bronze badges ...
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uppercase first character in a variable with bash

... Michael HoffmanMichael Hoffman 25.5k66 gold badges5050 silver badges7979 bronze badges ...
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Merging two arrays in .NET

Is there a built in function in .NET 2.0 that will take two arrays and merge them into one array? 21 Answers ...
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jQuery check if an input is type checkbox?

I'd like to find out if an input is a checkbox or not, and the following doesn't work: 6 Answers ...
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Best way to format integer as string with leading zeros? [duplicate]

I need to add leading zeros to integer to make a string with defined quantity of digits ($cnt). What the best way to translate this simple function from PHP to Python: ...