大约有 16,000 项符合查询结果（耗时：0.0258秒） [XML]
How do I check if a SQL Server text column is empty?
... This was not the actual question, but just a remark for people that only read the title, don't forget to add OR mytextfield IS NULL when your column can be NULL
– Daan
Aug 27 '15 at 9:50
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CSS \9 in width property
...css hack for IE9 & below version
write like this:
width: 500px\9;
Read this article http://dimox.net/personal-css-hacks-for-ie6-ie7-ie8/
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How to remove all white spaces in java [duplicate]
...have a programming assignment and part of it requires me to make code that reads a line from the user and removes all the white space within that line.
the line can consist of one word or more.
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What is a magic number, and why is it bad? [closed]
...new InvalidArgumentException("password");
}
}
}
It improves readability of the code and it's easier to maintain. Imagine the case where I set the size of the password field in the GUI. If I use a magic number, whenever the max size changes, I have to change in two code locations. If I...
Convert NSDate to NSString
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once written out to a string, is there a nice neat way to read it in like this? (using those NSDateFormatter enums)
– Fonix
Nov 20 '13 at 10:21
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What is the meaning of the 'g' flag in regular expressions?
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Beside already mentioned meaning of g flag, it influences regexp.lastIndex property:
The lastIndex is a read/write integer property of regular expression
instances that specifies the index at which to start the next match.
(....
Add a prefix string to beginning of each line
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@benjamin, I had already upvoted your answer, however, I prefer sed for lightweight tasks such as this. If "prefix" is known, it's very easy to pick a character not from "prefix".
– Alok Singhal
Jan 20 '1...
How to check if a DateTime occurs today?
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@Lucero that's possible however the question title reads 'two DateTimes'. ;) I guess that's where we got that missing type from.
– pyrocumulus
Oct 23 '09 at 8:10
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Timeout function if it takes too long to finish [duplicate]
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Beware that this is not thread-safe: if you're using multithreading, the signal will get caught by a random thread. For single-threaded programs though, this is the easiest solution.
– Wim
Feb 17 '10 at 17:03
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jQuery select by attribute using AND and OR operators
...ry has extensive documentation about the supported selectors, it's worth a read.
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