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CD ~ Switch to home directoryCD/TMP Switch to directory tmpcd dir switch to dir directory in current directoryCD/Switch to root directoryCd.. Switch to the previous level directoryCd.. /.. Switch to the top level two directoryCD ~ Switch to User

How can I use PHP to allow only the administrator to log on? if the current administrator account has been logged on, no one else is allowed to log on !! How to use PHP to allow only the administrator to log on, and the current administrator account

The younger brother is working on a multi-process crawling service recently. now it is a master process with 10 sub-processes. if the sub-process unexpectedly exits, create a sub-process. However, if the main process unexpectedly exits the

'规则缓冲清除', 'Starting replication'=>'开始规则', 'Wait -> Brk'=>'镜像状态改变,由等待到停止状态', 'OK -> Wait'=>'镜像状态改变,由OK到等待状态',);$logs = sd_get_log_sys_by_uuid(uuid);for($i=0; $i $v) { $pos = strpos($logs[$i], $k); if($pos !== false){

Data-id= "1190000004999380" data-licence= "" > Preface This article is mainly on the "about YII2 how to realize the cross-domain SSO landing Resolution" improvement, because in that article I have written the SSO landing basic implementation process,

Cas implements single-point logon and logout (java and php clients) (transfer). in recent projects, single-point logon is required. the client includes java and php, and java has several applications, php is discuz + supesite + ucenter, required? To

Article title: Linux tutorial-Vi entry and exit. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Vi

Shell built-in command Shopt this built-in command changes the optional behavior of the extra shell. Shoptshopt [-pqsu] [-o] [optname & hellip;] switches the values of variables used to control various optional shell behaviors. If the option is not

One: Resident thread: When a thread is required to handle some time-consuming operations, it can have a runloop. The specific code is as follows:1. Make sure the Runloop does not exit directly by adding the source to Runloopmode. Here is a very

Google Open Source gflags is a set of command-line parameter resolution tool, more powerful than getopt, more convenient to use, GFlags also supports reading parameters from environment variables, configuration files (available gflags instead of

Project name Quick Notes Project version 1.0.1 Responsible Team Echo Software team of Computer College of Beihang University Contact information http://www.cnblogs.com/echo-buaa/

Session prerequisites: script language: & nbsp; PHP/Server: Use a & nbsp; $ _ SESSION ["login"] & nbsp; and & nbsp; $ _ SESSION ["username"] & nbsp; Prerequisites: Script language: PHP/Server: Linux The server uses a $ _ SESSION ["login"] and $ _

Each PHP Error message Warning:call-time pass-by-reference has been deprecated; If you would a-pass it by reference, modify the declaration of each (). If you would as to enable Call-time pass-by-reference, you can set

Ant-f. xml tagetJavac *. java-cp a. jar; B. jar; c. jar (keep up with the jar package)(Linux useradd is invalid) change cd vi. bash_profile to PATH = $ PATH:/usr/sbin/useraddYast (Linux GUI View hardware)HKEY_LOCAL_MACHINE \ SOFTWARE \ Wow6432Node \

Transferred from: http://ticktick.blog.51cto.com/823160/1547032Service is one of the four components of Android, is used to perform long-time background tasks, similarly, the thread can also be implemented in the background to perform tasks, what is

The R, S, D, T, Z, and X processes in Linux State resolution are multi-user, multi-task systems, if you can run multiple programs of multiple users at the same time, many processes will inevitably be generated, and each process will have a different

Date Kernel version Architecture author GitHub CSDN 2016-06-02 Linux-4.5 X86 & Arm Gatieme Linuxdevicedrivers Linux process management and scheduling--a description of the

A brief overview of the java Memory Model and the volatile keyword, javavolatile If we want to have a deep understanding of Java concurrent programming, we must first understand the Java memory model. The Java memory model defines the visibility of

1. Several principles of debugging technology Surprise principle: finding a mistake is a pleasant surprise. Do not be afraid of it, but be grateful.Starting from scratch: the use of tests starts from scratch and does not involve boundary data for

PHP run modePHP run mode, is the way PHP executes, one is a separate executable program (usually EXE program), one is embedded in the form of a module in the server program run (usually DLL program).Independent execution, using CGI (Common Gateway