sleep 3

#/bin/sh##############################################################auther: Qiruyi#date: 2016-08-05#system: centos6.5#version: 1.0#set env//Set environment variables#Source function Library.. /etc/init.d/functionsExport path= $PATH:/bin:/sbin:/usr/

MySQL slow Query The slow query (slow log) helps us locate specific SQL statements for SQL statement optimization. For example, the slow query log records the SQL statements whose execution time exceeds the given value, locate the problem. Enable

Step 1: Create an SH batch command file# vim/etc/batch_ssh/install_redis.shStep 2: To the current user, be able to execute SH script permissions# chmod install_redis.sh 777Step 3: Write the command to be executed in bulk, read to wait for the

Keyboard events are some of the actions on the keyboard, such as Ctrl +c,ctrl+v,ctrl+x, and so on.The operation on the keyboard requires a library to be imported into another keyboard:from selenium.webdriver.common.keys import KeysFor example, you

A. Dialog box:Example: Click Baidu Login, pop up the small window#coding =utf-8from Selenium Import webdriverfrom time import sleepdr=webdriver. Chrome () dr.get ("http://www.baidu.com") #一定要记得设置等待时间, otherwise not located!!! Dr.find_element_by_link_

I. Higher-order functions: Sequential sorting enumerate ([1,2 ,3 , 4, 5]) For idx, item  in enumerate ([1, 2, 3, 4]):     print (IDEX)      print (item) Def sort (*args):     ret = []    for  item in args:        for i, v in  Enumerate

Mysql blind note (poc) on a website of alimama) Mymysqlblind Injection URL: http://brandbase.mama.cn/yikexin.php? Ctype = * & mod = growth & op = detail & pgcount = 12 & tid = 1520677POST parameter: page = 20Problematic parameter ctype:Sqlmap cannot

Nginx is an excellent reverse proxy server. Here we mainly talk about its health check and load balancing mechanisms, as well as the problems caused by these mechanisms. The so-called health check means that when there is a problem at the backend

For multi-process concurrent programming with PHP, it is unavoidable to encounter the problem of zombie process.A zombie process is a zombie process (zombie) process in which a parent process has exited, and the process dead after it has not been

Web applications are mostly IO-intensive, and using Ruby's multi-process + multithreaded model will greatly increase system throughput. The reason for this is that when a ruby thread is in the IO block state, other threads can continue to execute.

One: the preparatory work Project Version number Link Operating system Ubuntu 16.04 OpenCV 2.4.13 3.2.0 Opencv-2.4.13.zip Ffmpeg 3.1.4 ffmpeg-3.1.4.tar.bz2

Python 51st days ---- thread, Event, queue, python 51st days Differences between processes and threads: Thread = instruction set, process = resource set (thread set) 1. threads in the same process share the memory space. The process and process are

Interpretation of mysql time functions sysdate () and now () bitsCN.com Interpretation of mysql time functions sysdate () and now () NOW () Returns the current date and time value in the format of 'yyyy-MM-DD HH: MM: SS' or YYYYMMDDHHMMSS,

PHPB2B SQL Injection #6 PHPB2B SQL Injection #6 Latest version downloaded from the official websiteVirtual-office/favor. php1-24 rows Execute($sql); if (!$res) { flash("action_failed"); }} $ Ids = implode (",", $ _ POST [

Interpreting mysql time functions sysdate () And now () NOW () www.2cto.com return the current date and time value in the format of 'yyyy-MM-DD HH: MM: ss' or YYYYMMDDHHMMSS, the specific format depends on whether the function is used in a string or

1. Synchronization of threads with mutex 1.1. Mutex for threadsA set of mutex functions specifically for thread mutexes is defined in the POSIX thread. A mutex is a simple locking method to control access to a shared resource, which has only two

Common methods in Webdriver:Clear () Erase textSend_keys (*value) analog key inputClick () stand-alone element Landing of the website From selenium import webdriverfrom time import *driver = webdriver. Chrome () url = 

Slow Query Log1. The slow query log is logged when the query does not return results for a certain amount of time.2. The slow query log helps DBAs find SQL statements that perform inefficiently and help with database optimization efforts.3. The slow

slow query (slow log) can help us navigate to specific SQL statements for SQL statement-level optimizations, for example, the slow query log records those execution times that exceed a given SQL statement, thus locating the problem.Turn on Slow

MySQL slow Query Slow query (slow log)It can help us locate specific SQL statements for SQL statement optimization. For example, slow query logs record the SQL statements whose execution time exceeds the given value, so as to locate the