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How to do a non-greedy match in grep?
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Correction: In most of the regex flavors that support it, the mode that allows . to match newlines is called DOTALL or single-line mode; Ruby is the only one that calls it multiline. In the other flavors, multiline is the mode that allows t...
How to analyze a java thread dump?
...pendent. It's the NID in jstack thread dumps. On Windows, it's simply the OS-level thread ID within a process. On Linux and Solaris, it's the PID of the thread (which in turn is a light-weight process). On Mac OS X, it is said to be the native pthread_t value.
Go to this link: Java-level thread ...
How to send a stacktrace to log4j?
... The logger takes an object for its first argument and will toString() it. However the second argument has to be a Throwable and displays the stack trace.
– Peter Lawrey
Dec 3 '10 at 16:50
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See what process is using a file in Mac OS X
...ble to track a file and see which process is touching that file. Is that possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framew...
Allowed characters in filename [closed]
...bout each file system, including reserved file names such as CON under MS-DOS. I mention that only because I was bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that...
MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
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mysql> SHOW SLAVE STATUS;
Master_Log_File & Read_Master_Log_Pos：下一个传输的主日志信息。
Relay_Master_Log_File & Exec_Master_Log_Pos：下一个执行的主日志信息。
Relay_Log_File & Relay_Log_Pos：下一个执行的中继日志信息。
理解这些日志信息的含...
地图组件（高德地图） · App Inventor 2 中文网
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地图（基础容器，默认“高德地图”）
一个二维容器，用于在背景中渲染地图图块，并允许使用多个 标记 元素来标识地图上的点。
原版是OpenStreet开源地图，国内无法访问，中文网已深度定制，默认接入国内...
How can I convert a stack trace to a string?
... trace to String. This class is available in Apache commons-lang which is most common dependent library with many popular open sources
org.apache.commons.lang.exception.ExceptionUtils.getStackTrace(Throwable)
share
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
... if index in mylist tests wether index is an element of mylist, not a possible index. You would want if index < len(mylist) instead.
– ychaouche
Jun 24 '13 at 16:40
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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...向磁盘中写入数据，也会提高写入的效率。
将磁盘上的一个文件写入到磁盘上的另一个文件中：
FileStream file1 = File.Open(@"F:\file1.txt", FileMode.OpenOrCreate,FileAccess.Read);//读取文件流
FileStream file 2= File.Open(@"F:\file2.txt", FileMode.OpenOrCre...