d sub dvi

Vi deletion is worth learning a lot. Here we mainly introduce how to delete Linux Vi, including Vi deletion. In command mode, you can use Linux Vi to delete related commands, including Linux Vi to delete, copy, replace, and replace text. Delete a text Linux

The VI Editor is an editor that unix/linux system administrators must learn to use. Read a lot of information about VI, finally get this summary. First, remember the two modes of the VI Editor: 1,Command mode2, editing mode . After a unix/linux shell command or a VI command that starts with a slash (/), question mark (

Experiment one: The VI editor mode switch 1. Experimental goal: Master VI editor Three modes of switching and its characteristics 2. Experimental procedure: Step one: Enter the VI editor, which is the command modeEnter VI or VIM in the command terminal by going to VI editorS

The VI Editor is the standard editor for all UNIX and Linux systems, and its power is not inferior to any of the latest text editors, here is simply a brief introduction to its usage and a small number of instructions. Because the VI editor is exactly the same for any version of UNIX and Linux systems, you can learn more about it in any other place where VI is in

Vim is a text editor developed by VI Three modes: Three modes of command, input, last line Command-Input mode: A current cursor after input A Line End Input I cursor position input I input at the beginning o Cursor Next line input O one line input on the cursor Input, Command mode: Esc Command-and-last-line mode: ： : Set NU Displays line number : Set Nonu suppress line numbers (Last-line mode: Set NU indicates line number) [Email protected] kkk]#VI

There must be more than one interface test case in our daily projects, and how do we manage these batch cases as the case grows? How to ensure that cases are not duplicated? How do you ensure the efficiency of case execution when there are a lot of cases (hundreds, even more)? How to do (batch) test data management? How do you separate data from scripts?These are some of the issues that we need to focus on in our automated testing, and a single use case is not really difficult.Take a look at how

column in the table, associated with another column in the table, but their business logic meaning is not the same, the city information PID refers to the provincial information ID In this table, the structure is unchanged, you can add County, township streets, village communities and other information The statement that creates the areas table is as follows: Create Table intprimarykey varchar (int , Foreign Key References areas (ID)); Import data from a SQL file SOU

The main contents of this chapter: First, foreign key Second, table connection Third, sub-query Iv. Index first, foreign key: 1. What is a foreign key 2. Foreign KEY syntax 3, FOREIGN key conditions 4. Add foreign keys 5. Delete foreign keys 1, what is the foreign key: PRIMARY KEY : Uniquely identifies a record, cannot be duplicated, is not allowed to be empty, and is used to guarantee data inte

VI command the VI command is the most versatile full-screen plain text editor in Unix operating systems and UNIX-like operating systems. The VI editor in Linux is also called Vim, which is the enhanced version of VI (VI improved), fully compatible with the

Common VI skills This article aims to introduce some of VI's most common commands and some advanced applications in a more systematic and systematic manner.I. Basic commands:1) cursor commandK, J, H, l --- move the cursor up and down the command, although you can use the four cursor keys on the right of the keyboard in Linux,But remember that these four commands are useful, that i

Vi/vim Basic Use MethodThe VI Editor is the standard editor for all UNIX and Linux systems, and its power is not inferior to any of the latest text editors, here is simply a brief introduction to its usage and a small number of instructions. Because the VI editor is exactly the same for any version of UNIX and Linux systems, you can learn more about it in any oth

37 people read comments (0) collect reports Access the VI commandVI filename: open or create a file and place the cursor at the beginning of the first lineVi + N filename: open the file and place the cursor at the beginning of line NVi + filename: open the file and place the cursor at the beginning of the last lineVi +/pattern filename: open the file and place the cursor at the first string matching patternVI-r filename: a system crash occurred when

Cn.matt.exception1,cn.matt.exception2 4) pointcut Expression logical operatorAOP is used and (), or (| | ), Non-(! ) to combine pointcut expressionsIn XML, "" must use the escape character "amp;amp;" Instead, it is inconvenient, so spring provides and, or, not to replace the , | |,!Note: The alternates (and, or, not) are only available in XML and are parsed incorrectly when used in annotation mode5) The execution command executes using the "Execution (method expression)" matching methodIns

VI/Vim basic usageThis article introduces the basic usage of VI (Vim), but it is enough for common users! The differences between I and Vim are simple. They are all multi-mode editors. The difference is that Vim is an upgraded version of vi. It is not only compatible with all instructions of VI, but also has some new f

Run vi filename: to open or create a file, place the cursor at the beginning of line vi n filename: to open the file, and place the cursor at the beginning of line n vi filename: open the file, place the cursor in the first line of vi/pattern filename: open the file, and place the cursor in the first string matching pa

The vi editor has three modes: Command mode, input mode, and last line mode. It is very important to master these three modes: Command mode: After vi is started, the command mode is entered by default. From this mode, you can use the command to switch to the other two modes. In any mode, you only need to press the [Esc] key to return to the command mode. Enter the subtitle "I" in command mode to enter the

Vi (vim) is a commonly used editor on Linux. By default, vi (vim) is installed in many Linux distributions ). There are many vi (vim) commands, but if they are used flexibly, the efficiency will be greatly improved. Vi is short for "visual interface", and vim is vi IMproved

Linux Text Editor-viI. VI simple descriptionIn Linux, we always recommend that you use the text status to handle Linux system settings, because it not only makes it easier for you to understand the running status of Linux, it is also easier to understand the basic spirit of the entire setup, and more "ensure" that your modifications can be smoothly run (here we will re-emphasize that different Linux distribution have different additional software, for

VI (VIM) is a very common editor on Linux, and many Linux distributions have VI (VIM) installed by default. VI (VIM) commands are numerous but if used flexibly it will greatly improve efficiency. VI is the abbreviation for "Visual Interface", Vim is VI improved (enhanced ver

Transferred from: http://www.cnblogs.com/emanlee/archive/2011/11/10/2243930.htmlVi/vim Basic Use MethodThe VI Editor is the standard editor for all UNIX and Linux systems, and its power is not inferior to any of the latest text editors, here is simply a brief introduction to its usage and a small number of instructions. Because the VI editor is exactly the same for any version of UNIX and Linux systems, you