大约有 15,000 项符合查询结果（耗时：0.0271秒） [XML]
Which is the correct shorthand - “regex” or “regexp” [closed]
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Googlefight says regex wins, 685000 to 289000 (which is about 2.37:1).
Also, regexp is strange to say out loud because there are so few (if any?) words that end in a "-ksp" sound, but there are plenty of words that end in a "-ecks" sound.
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
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So if a server had say 1,000 simultaneous connections (I know that is high), it would have to contend with 1,000 threads!? That seems out of control. Or are fibers used (thread barreling).
– IamIC
Jul 25 '10 at ...
How to add and get Header values in WebApi
... Content-Type is not a valid C# identifier
– thepirat000
Dec 15 '18 at 17:18
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Generate fixed length Strings filled with whitespaces
...rmat("%8s", toPad).replace(' ', '0');
System.out.println(padded);
Prints 000Apple.
Update more performant version (since it does not rely on String.format), that has no problem with spaces (thx to Rafael Borja for the hint).
int width = 10;
char fill = '0';
String toPad = "New York";
String...
Group by month and year in MySQL
...OUP BY DATE_FORMAT(date,'%Y-%m') (~850 ms) on a InnoDB table with > 300,000 entries showed the former (the marked answer to this question) took ~half the time as the latter.
– ow3n
Jul 16 at 12:19
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How to save MySQL query output to excel or .txt file? [duplicate]
... Just a note to say that if you get this error: ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement, you can stillsave the file in /var/lib/mysql-files/ (Debian) and move it to your desired location after.
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Prepend text to beginning of string
...ular scenarios, and I'm not sure how common it prepend a the same string 1,000 times.
– KyleMit
Apr 22 '19 at 18:08
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How to remove all leading zeroes in a string
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(string)((int)"00000234892839")
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Handling colon in element ID with jQuery
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I tested it with firefox 10 and jquery 1.7.2
basically I did a select 10'000 times of a div with a colon in the id - with the different methods to achieve it. Then I compared results to a ID selection with no colon in it, the results are quite surprising.
left time in ms
right selector method
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How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
...lows you to actually Edit the query SELECT top 500 *** SELECT top 1000 *** WHERE ***
– Mihai
Oct 31 '17 at 13:28
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