大约有 12,000 项符合查询结果（耗时：0.0280秒） [XML]
get just the integer from wc in bash
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To get just line count without whitespace: wc -l < foo.txt | xargs ref - stackoverflow.com/a/12973694/149428
– Taylor Edmiston
Feb 7 '19 at 22:17
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Extracting .jar file with command line
...es from a jar file, supply their filenames:
C:\Java> jar xf myFile.jar foo bar
The folder where jar is probably isn't C:\Java for you, on my Windows partition it's:
C:\Program Files (x86)\Java\jdk[some_version_here]\bin
Unless the location of jar is in your path environment variable, you'l...
Return rows in random order [duplicate]
...he NEWID() function, which generates a unique GUID. So,
SELECT * FROM dbo.Foo ORDER BY NEWID();
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Regex: matching up to the first occurrence of a character
... this solution is that also matches end of the line, e.g. in my case I had foo=bar;baz=bax;bab=baf and it matched bab=baf even there is no ; Exactly what I need. Not sure why it works though if spec says matches everything but the target symbol...
– skryvets
De...
Guid is all 0's (zeros)?
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Try doing:
Guid foo = Guid.NewGuid();
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Linux - Replacing spaces in the file names
...ntical files existed (with the wrong filenames). E.g. trying to rename 1 - foo.jpg and my folder already had 1.jpg in it.
– byxor
Oct 18 '17 at 14:05
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How to get only the last part of a path in Python?
...swered Oct 13 '10 at 15:08
Fred FooFred Foo
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In Vim, is there a way to paste text in the search line?
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Or create the command in a vim buffer , e.g. type it in the buffer:
s/foo/bar/gci
And copy it to a named register, with "ayy (if the cursor is on that line!).
Now you can execute the contents of the "a" register from Vim's Ex command line with:
:[OPTIONAL_RANGE]@a
I use it all the time.
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MySQL - Make an existing Field Unique
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CREATE UNIQUE INDEX foo ON table_name (field_name)
You have to remove duplicate values on that column before executes that sql.
Any existing duplicate value on that column will lead you to mysql error 1062
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Php multiple delimiters in explode
...be escaped to work (such as /, ?). For example: preg_split("/(\/|\?|=)/", $foo);.
– kenorb
Apr 24 '15 at 19:11
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