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In fact, shortcut keys can set their own: Eclipse>>>window>>>preferences>>>keysALT +/Content hints are very commonCtrl + 1 Quick fixAlt + ARROW key tracking forward back forwardCtrl + ALT + DOWN arrow to quickly copy rowsALT + up down arrow to move lines quicklyCtrl + T to view inheritance relationshipsCtrl + Shift + T Quick View method source codeCtrl + Shift + O Quick Import Reference PackageAlt + Shift + A:Shortcut key: Alf+shift+aToggle Block Sele
Generally, we can see that the terms "Index" and "key" are used for exchange, but they are actually different. An index is a physical structure stored in a database. A key is purely a logical concept. The key represents the integrity constraints created to implement business rules. The confusion between indexes and keys is generally caused by the use of indexes in the database to implement integrity constraints. Recommended reading: Automatic Indexing
Webstrom shortcut keys and webstorm shortcut keys20:32:59 Ctrl +/or Ctrl + Shift +/Note (// or) Shift + F6Rebuild-Rename Ctrl + XDelete row Ctrl + DCopy row Ctrl + GSearch rows Ctrl + Shift + Up/DownThe code is moved up/down. F2 or Shift + F2Highlight errors or warnings for quick locating Write code and press TabGenerate code Select text, press Ctrl + Shift + F7Highlight all the text and Press Esc to highlight the text. (Because of this function, I ca
? CTRL + D copies the current line to the next line equivalent to Ctrl + SHIFT + in eclipse CTRL +/single-line comments and anti-annotations CTRL +shift +/block annotations and anti-annotations CTRL + N then enter the class name to open the class file equivalent to Ctrl + SHIFT + T in eclipse CTRL + SHIFT + N Enter name to open all types of files equivalent to Ctrl +shift + R in eclipse CTRL + SHIFT + SPACE smart hint equals CTRL +/ in eclipse CTRL + ALT + L formatting code is equiva
JS obtains the key value of the left and right mouse keys. js obtains the left and right keys. Function test () {alert (event. x + "" + event. y); alert (event. button);}/* The right-click menu does not display */document. oncontextmenu = function () {return false;}/* document. onmousedown = function () {if (event. button = 1) {alert ("left")} if (event. button = 2) {alert ("right")} */document. onkeydown =
One, multi-line Comment shortcut keys1. Select the area you want to annotate, use ctrl+shift+c or ctrl+/ to add//comment2. Select the item you want to annotate, and use shit+ctrl+/ to add */*/comment3. The above shortcut will be removed by repeating the comment4. To modify the shortcut key for a command in Eclispe we just have to go to the key settings, Windows-preferenceSecond, add the document comment shortcut key in eclipse1. For example, the default document comment:/*** @author XX**/2. Shor
Tags: shortcut keys for Terminal and set up shortcut keys for opening terminalLinux terminal usage tipsToday, I found that the Linux terminal has so many handy shortcuts.Shift+ctrl+t: New tab pageSHIFT+CTRL+W: Close tabCtrl+pageup: Previous tabCtrl+pagedown: Next tabShift+ctrl+pageup: Tab Shift leftShift+ctrl+pagedown: Tabs Move RightALT+1: Switch to tab page 1ALT+2: Switch to tab page 2ALT+3: Switch to tab
-1- VC ++Application Design for Serial Communication Abstract: This article introduces a Serial Communication Class Integrated with Win32 API functions and the basic idea of C ++ class. Cserialport class. The following describes how to implement serial communication in VC ++ 6.0 through specific examples. Key words: VC ++ se
Common shortcut keys of Android Studio and how to use the shortcut keys of Eclipse Common shortcut keys of Android Studio and how to use the shortcut keys of Eclipse 1. display the list of recently edited files Ctrl + E 2. Quick Open Class Ctrl + N 3. Quickly open a file (it can be a file with extensions of various for
You can use Visual C + + to design asynchronous serial communication programs in a Windows environment using different methods. one way to use the serial port API functions provided by Windows system is to use the ActiveX control Mscomm.ocx provided by Microsoft Company directly. It is relatively simple to use the Mscomm.ocx control to design the serial port, as
Http://blog.sina.com.cn/s/blog_6151984a0100ejfg.html/Sbin/Getty-l 38400 ttys0 VT100Command used:Tty view which terminal to useWho views logged-on usersW. View login usersEcho "ABC">/dev/pts /*Echo "123">/dev/ttyama0 information transmission between different terminalsWhen you run a program, the process will definitely correspond to a terminal, and the printf print information will appear on the terminal. When the program enters the kernel state (such as calling the driver ), printk prints inform
VC + + Serial Communication programming detailedReprint Address: http://www.jizhuomi.com/software/309.htmlIn industrial control, industrial computer (usually based on Windows platform) often need to communicate with the intelligent instrument through the serial port. Serial communication is convenient and easy to use and widely used.In general, the industrial com
Rlwrap-sqlplus flexible use of the up and down keys and the back and forth keys in Linux sqlplus is inconvenient to use. Both the up and down keys and the back and forth keys are not available, seriously reducing production efficiency. Rlwrap can solve this problem! Download rlwrap: http://download.csdn.net/detail/shar
Summary of common shortcut keys in VS2015 and shortcut keys in vs2015 Generate solution F6 and project Shift + F6 Debug and run F5. Terminate the debugging and run Shift + F5. Run Ctrl + F5 Find the next F3 instance and find the previous Shift + F3 instance. Attach to process Ctrl + Alt + P, execute F11 Statement by statement Switch breakpoint F9 (add or cancel breakpoint) Run Ctrl + F10 at the cursor Jump
Yesterday, when he was dealing with the database of the online forum, he found that he used the post number as the primary key. Due to some accidental modifications to it, the association of the post became messy. So we discussed how to select the primary key in the database table. I am not familiar with the program of the forum, so I don't know how it is designed and implemented. Today, Ling Hu can discuss this topic on javaeye. At first, I thought it would be a good way to use a meaningless lo
Shortcut Keys for eclipse and documentation and multi-line annotations 1. Multi-line comment shortcut 1. Select the area to be annotated and useCTRL + Shift + cOrCTRL +/ // Comments are added.2. Select the items you want to comment on and useShit + Ctrl +//***/Annotation is added. 3. If you click the above button again, the added comment will be removed.4. to modify the shortcut key of the command in eclispe, you only need to go to Windows> p
Win10 OS shortcut keys and win10 shortcut keys Windows 10 is a brand new operating system, with some unique Shortcut Keys designed. At the same time, most of the shortcuts in the old system can be used to master the shortcut keys, so you can leave the mouse behind and use only the keyboard to operate the computer. W
use of this encryption?But my good friend X said someone was impersonating me and sending him a letter. What do we do? I sent my letter, the content is C, with my private key 2, encrypted, encrypted content is D, to X, and then tell himDecryption look is not C. He decrypted it with my public key 1 and found that it was c.At this point, he would think that the data that can be decrypted with my public key must be encrypted with my private key. Only I knew I had the private key, so he could confi
In the editing mode, ubuntu vi cannot use the direction keys and backspace keys. The most important thing is that the default installed vim in ubuntu is the tiny version, so it is not so easy to use. The solution is to uninstall and reinstall. Www.2cto.com $ sudoapt-getremovevim-common $ sudoapt-getins... In the editing mode, ubuntu vi cannot use the direction keys
Eclipse/sts has two shortcuts ctrl+alt+ the down ARROW and ctrl+alt+ up ARROW keys to copy and paste the code of the current line to the next line or line, but some computers use these two shortcuts and the screen reverses. It is due to the interference of the graphics card driver shortcut keys, need to manually turn off the video card hotkey.Workaround:Control Panel--Hardware and sound--Change display sett
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