大约有 47,000 项符合查询结果（耗时：0.1096秒） [XML]
Show filename and line number in grep output
... to search my rails directory using grep. I am looking for a specific word and I want to grep to print out the file name and line number.
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How do you use gcc to generate assembly code in Intel syntax?
...um where someone claimed it worked for them.
I just tried this on the mac and it failed, so I looked in my man page:
-masm=dialect
Output asm instructions using selected dialect. Supported choices
are intel or att (the default one). Darwin does not support intel.
It may work o...
Deleting all files from a folder using PHP?
For example I had a folder called `Temp' and I wanted to delete or flush all files from this folder using PHP. Could I do this?
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How can I use MS Visual Studio for Android Development?
Can you use Visual Studio for Android Development?
14 Answers
14
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How to get Maven project version to the bash command line
...evious I issued a question on how to change Maven project vesion from command line which lead me to a new issue.
28 Answe...
Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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Restrict varchar() column to specific values?
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Personally, I'd code it as tinyint and:
Either: change it to text on the client, check constraint between 1 and 4
Or: use a lookup table with a foreign key
Reasons:
It will take on average 8 bytes to store text, 1 byte for tinyint. Over millions of rows,...
Python subprocess/Popen with a modified environment
I believe that running an external command with a slightly modified environment is a very common case. That's how I tend to do it:
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JavaScript - get the first day of the week from current date
...get the first day of the week. For example: today is the 11th of November, and a Thursday; and I want the first day of this week, which is the 8th of November, and a Monday. I need the fastest method for MongoDB map function, any ideas?
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Concatenate strings in Less
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Thanks, i just came across the same problem and missed that in the docs.
– David
May 3 '12 at 18:24
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