大约有 42,000 项符合查询结果（耗时：0.0499秒） [XML]
Rolling back local and remote git repository by 1 commit
I've read the similar posts on this topic, and can't for the life of me figure out how to do this properly.
14 Answers
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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...t%02x\t%o\t%c", j,j,j,j, j+31,j+31,j+31,j+31);
std::cout << p << std::endl;
}
（整形，十六进制，八进制，字符型）
前面0-127个是ASCII标准的编码，后128-255是拓展ASCII编码，在日文操作系统默认编码为shift-jis的环境中日文的半角片假名由拓展...
How do I prompt a user for confirmation in bash script? [duplicate]
... do dangerous stuff
fi
I incorporated levislevis85's suggestion (thanks!) and added the -n option to read to accept one character without the need to press Enter. You can use one or both of these.
Also, the negated form might look like this:
read -p "Are you sure? " -n 1 -r
echo # (optional) mov...
How to read a file in Groovy into a string?
I need to read a file from the file system and load the entire contents into a string in a groovy controller, what's the easiest way to do that?
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socket.error: [Errno 48] Address already in use
...module before, it is most likely that process still bound to the port. Try and locate the other process first:
$ ps -fA | grep python
501 81651 12648 0 9:53PM ttys000 0:00.16 python -m SimpleHTTPServer
The command arguments are included, so you can spot the one running SimpleHTTPServer if...
Java Runtime.getRuntime(): getting output from executing a command line program
I'm using the runtime to run command prompt commands from my Java program. However, I'm not aware of how I can get the output the command returns.
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Quit and restart a clean R session from within R?
Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session?
12 Answers
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Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
I am using Maven 3.0.5 and Spring Tool Source 3.2 with Maven plugin installed. When I try to do 'Run As---> Maven install', I am getting the following error:
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How to check if a column exists in a SQL Server table?
...(SELECT 1 FROM sys.columns
WHERE Name = N'columnName'
AND Object_ID = Object_ID(N'schemaName.tableName'))
BEGIN
-- Column Exists
END
Martin Smith's version is shorter:
IF COL_LENGTH('schemaName.tableName', 'columnName') IS NOT NULL
BEGIN
-- Column Exists
END
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WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
I'm working to set up Panda on an Amazon EC2 instance.
I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance.
Getting Started with Panda
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