unix format

System files: In development we sometimes need to know the last access time of the file and the last modified time of the file, and introduce the 3 functions that PHP provides to determine the access, creation and last modification time of the file:

Processing background of seq in a shell: extract the content of the file using shell. the file name is generated using the serial number below. There are nearly 400 million file records as follows: www.2cto.com original script #! /Bin/sh # str1 &

Shell getting started: syntaxerror: unexpectedendoffile decided to start learning shell, installed redhatlinux on a virtual machine on windows, complete network configuration, and interact with my windows. Other configurations are not required. Www.2

The installation method provided on the ROI_PAC homepage is cumbersome. You can simply complete the installation under Ubuntu. Do not press the commands involved in the article. You must use the tab key flexibly to complete them. 0) the installation

After installing redis-2.8.13, I found that there was no self-launching script and wrote one yourself: Script one: #!/bin/sh # chkconfig:345 # Description:startup and shutdown script for Redis redis_dir=/usr/local/bin #export $

String functions:String connections: CONCAT () and Concat_ws ()Concat primarily implements string concatenation as a string:SELECT CONCAT ('My','S','QL')The Concat_ws () function is CONCAT with Separator and is a special form of the CONCAT ()

The unix and dos formats in vim were converted a long time ago. the old-fashioned telex typewriter used two characters to create a new line. One character moves the slide frame back to the first place (called carriage return, & lt; CR & gt;), and

Processing of seq in a shellBackground: Using the shell to extract the contents of the file, the filename is generated with the serial number as follows, the file nearly more than 400 W is as follows:Www.ahlinux.comOriginal script#! /bin/sh#str1 = ""

Cygwin use experience 1. Access windows disk in Cygwin Cd/cygdrive/c CD C: 2. Consolidate Cygwin commands to Windows Assuming that Cygwin is installed in D:/develop/cygwin, add D:/develop/cygwin/bin to the system variable path (preferably in front

git introduction Distributed: Git version control system is a distributed system, which is used to save the history state of Engineering source code command-line tools. Save point: Git's save point can track files in the source code, and can get

After installing redis-2.8.13, I found that I did not start the script and wrote one myself: Script one: #!/bin/sh # chkconfig:345 # Description:startup and shutdown script for Redis redis_dir=/usr/local/bin #export $

Distributed: Git version control system is a distributed system, which is used to save the history state of Engineering Source code command line tools; Save point: Git save point can track files in the source code, and can get the whole project

git introduction Distributed: Git version control system is a distributed system, which is used to save the history state of Engineering Source code command line tools; Save point: Git save point can track files in the source code, and can get the

Javascript optimization techniques (document slimming) have recently been researching Javascript-related technologies. In the Javascript advanced programming, a chapter focuses on the importance of optimizing Javascript code. I believe that many

Sed single-line script Quick Reference For more information about exported sed single-line scripts, see the English title useful one-line scripts for sed (UNIX stream Editor). Original Title: handy one-liners for sed (UNIX stream editor) text

Cygwin is a UNIX simulation environment running on the Windows platform, which is CygnusThe free software developed by solutions (the company has developed many good things, famous for its ECOs, but has now been acquired by RedHat ). It is used to

GCC, a well-known compiler software, must be known if you use Unix systems, including Linux. Gcc-GNU Project C and C ++ Compiler 1. Basic usage GCC is generally used as the C language compiler, and g ++ is used as the C ++ language compiler.Its

First speech: Design Model sentiment. If we recall and summarize the process of making ourselves into something, we will accumulate experience. When a DOS file is transmitted to a UNIX system, it will end with an extra ^ m at the end of each line.

In Linux, how does one change the database script file from the sh format to the SQL format, In the process of software development, it often involves changing the database script file from sh format to SQL format in Linux. This document uses an

Recently, I have been studying JavaScript-related technologies. In JavaScript advanced Program The Design chapter focuses on optimizing Javascript Code . I believe that many JavaScript developers will be more or less exposed to such problems