what tools electricians use

current execution plan from other execution plans that are stored in the same plan.TABLE_NAME: is the plan table name, which is structured as shown before, and you can set this name arbitrarily.Sql_statement: is the real SQL statement. Like what: Sql>explain plan set statement_id= ' t_test ' for select * from T_test; Sql> Explained Execute the following statement to query the execution plan Sql>select a.operation,options,object_name,object_type,id,pa

Use node to write your own cli tools. When receiving a new project, you need to plan the project directory before development, create files one by one, set up the sass compiling environment, and download libraries such as jquery and Swiper... these preparations take a lot of time. Every time you create a project, you will encounter the same problem. Will you repeat it again?It's time to make a change: write

interpret the character as ASCII-E force escape all control characters, such as Ctrl+x,del, etc.Run the command sz file1 file2 is to send files to Windows (the saved directory can be configured) more convenient than the FTP command, and the server does not have to open the FTP servicePs:linux on the Rz/sz these two gadgets installed lrzsz-x.x.xx.rpm can be.Of course, you can also set up the directory:Set up the default directory for uploads and downloads in SECURECRTOptions–>session options–>fi

location of the current cursor to the end of the file, and the difference between the/pattern/and the address definition::? Pattern: finds all strings that can be matched to the current pattern from the current cursor location to the file header;Note:/pattern and? Pattern can be positioned with N and N, N is the same as command direction, N is opposite to command;8.3. Find and Replace: sFormat:: s/What to look for/replace with/[modifier]

aptitude, you can easily search, install, update, and perform other operations. You need to remember several shortcut keys. Let's look at some practical examples. First, enter the command on the terminal. sudo aptitude You can view the main interface of aptitude (the latest Ubuntu does not include aptitude by default, and you need to install sudo apt-get install aptitude on your own), as shown in:If you have never used aptitude before, you must have done it now. You don't know

As the saying goes, to do a good job, you must first sharpen it. I am afraid anyone who lacks good tools and wants to make good use of ext's large class library is very difficult to do. This article will introduce several intelligent prompt tools for Ext. BTW, today is very uncomfortable. Aptana does not know why it cannot be started. This article is available af

, when the activity is destroy,the activity's This has been released, So there is no memory leak, its heap memory condition:As you can see from the list, Sencondactity object is 0, that is, sencondactivity does not exist, so it is very accurate to use this method for memory leak analysis. But the same program can not pinpoint where the problem is, or even detect a memory leak through the previous two methods. This chapter first introduced here, the ne

Flow statistics tools, response to the basic status of web traffic, so that webmaster every day the most even master the development of the site, but also through the flow of the floating intuitive judgment search engine to give the weight of the site. So what else can it do? In fact, the use of good webmaster tools to

packets Next, we will use Wireshark to analyze network data packets. First, use the forward Command of adb to redirect data packets from port 12345 of the mobile phone device to port 54321 of the PC computer, and then use the netstat tool to capture data entering port 54321, finally, use the pipeline operation to hand

input, and the corresponding shortcut key is "Ctrrl+j".3. Enter the appropriate superscript and subscript in the corresponding dashed box. such as square and ordinal 12.How about the MathType editing process is not very simple? Using MathType to edit the formula is a super convenient thing, do not believe you can ask your genius classmates, how many people did not use it? It allows you to edit the formula of the efficiency greatly improved, and the e

managing Python packages that can be used to install the tools we need for some of our programs, such as our ipython,jupyter notebook, etc. ~]# vim ~/.pip/pip.conf [global] Index-url = http://mirrors.aliyun.com/pypi/simple/# update download path, similar in principle to our yum source trusted-host = Mirrors.aliyun.com # Indicates a package that trusts this site # If this directory does not exist, remember to create2. Install Jupyter with PIP~]#

the individual settings for specific use.To make it easier to see the changes in your code, you can install SVN, which you can open directly with unity. Very convenient.Using version control makes it very easy to manage code, prefabrication, and so on. Even animation, as long as you manage properly, it is more convenient than SVN.About its specific how to use, submit, update, fallback what I have not intro

I have already introduced fail2ban and logcheck tools that can scan logs and take corresponding actions based on the rules you create/modify. You can usually modify iptables rules, block active attacks against your server, or send you an alert if any exceptions are found in the log. Today, we will introduce a similar tool, sshguard. What is different from the above two