大约有 13,066 项符合查询结果（耗时：0.0300秒） [XML]
java.net.ConnectException: Connection refused
... implement a TCP connection, everything works fine from the server's side but when I run the client program (from client computer) I get the following error:
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How to check if a column exists in a SQL Server table?
I need to add a specific column if it does not exist. I have something like the following, but it always returns false:
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What is the alternative for ~ (user's home directory) on Windows command prompt?
I'm trying to use the command prompt to move some files,
I am used to the linux terminal where I use ~ to specify the my home directory
I've looked everywhere but I couldn't seem to find it for windows command prompt ( Documents and Settings\[user] )
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
... very large dataset that has some non-standard characters in it. I need to use unicode, as per the job specs, but I am baffled. (And quite possibly doing it all wrong.)
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Command not found when using sudo
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Permission denied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the comman...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
I have found the question How to determine if data is valid tar file without a file? , but I was wondering: is there a ready made command line solution?
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How to specify different Debug/Release output directories in QMake .pro file
I have a Qt project and I would like to output compilation files outside the source tree.
11 Answers
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How to default to other directory instead of home directory
I am developing on a windows machine. The only place I need for linux command line is Git Bash. The problem is: When I open it, I am in the home directory. I have to change the directory to my workspace, like:
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What does “where T : class, new()” mean?
Can you please explain to me what where T : class, new() means in the following line of code?
11 Answers
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How can I convert a string to boolean in JavaScript?
Can I convert a string representing a boolean value (e.g., 'true', 'false') into a intrinsic type in JavaScript?
83 Answers...