editors 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

A little bit confused about the public key and the private key, search for some information, do some sorting it, first look at this: Encryption--Public keyDecryption--Private keySignature--Private keyAuthentication--Public key Look at this. The private key may be used for signing, in fact, it is equivalent to the private key encryption, and public key authentication is to use the public key decryption, but not for confidential information. Because the public key is public. One more: 1) The publi

Tags: size first section cut mil characters Master log path completion command line shortcut keys "Mastering command line shortcut keys, will make your force lattice improve, in front of the rookie you are the great God!" Haha " Table key1. Command completion2. Path completionCTRL + A cursor moves to the command headerCtrl+e cursor moves to the end of the commandCtrl+u clear the character

Modify the original code hint shortcut keyCommon shortcut keys:CTRL + spaces, code hints (conflicts with system input accelerator keys)Here's how to modify it:File-settings-keymap-main menu-code-completion-Base-Change to alt+/CTRL + N, you can quickly open classAlt+insert, you can generate constructors/getter/setter, etc.Ctrl+alt+t, the code can be wrapped within a block, for example: Try/catchCtrl+enter, import package, auto fixCtrl+alt+l, formatting

In Linux, using Vi is a solution that cannot be used when the direction keys change garbled back keys. Editing some files in Linux involves the vi editor. In Linux, when vi is initially used, the cursor is not moved when the direction keys are used in editing mode, however, if [A [B [C [D and other letters are displayed in the command line and the editing is inc

PHP groups two-dimensional arrays based on keys and two-dimensional arrays of keys. We often get a two-dimensional array, and we will find that the result is somewhat different from what we want. We may need to group the Array Based on a field in the two-dimensional array. First, let's look at the following array, Array ([0] => Array ([id] => 1 [wo_id] => 2 [evaluate_id] => 1 [type] => group 1 [ctime] => 20

Hibernate annotations map three main methods of joint primary keys, hibernate primary keys During project creation today, an intermediate table has no primary key and no components are added when an object is created. The following error is returned: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'hibernateSessionFactory' defined in class path resource [spring-config/

Town Field Poem:Cheng listens to the Tathagata language, the world name and benefit of Dayton. Be willing to do the Tibetan apostles, the broad show is by Sanfu mention.I would like to do what I learned, to achieve a conscience blog. May all the Yimeimei, reproduce the wisdom of the body.——————————————————————————————————————————Codedict1={' son ': ' rat ', ' ugly ': ' Ox ', ' yin ': ' Tiger ', ' Mao ': ' Rabbit ', ' Chen ': ' Dragon ', ' have ': ' Snake ', ' noon ': ' Horse ', ' not ': ' sheep

Js traverses all keys of the json object and the method for obtaining values based on dynamic keys (mandatory). jsjson Example: Var obj = {}; for (var k in obj) {// traverses the object. k is the key, and obj [k] is the value corresponding to the current k. console. log (obj [k]);} The above js traversal of all the keys of the json object and the method for ob

found in the Stutes line, check a word, especially useful, this function idea two years ago)CTRL+SHIFT+J Reverse incremental lookup (same as above, except forward)Alt+shift+r rename (is my own favorite, especially the variables and classes of rename, than the manual method can save a lot of labor)Alt+shift+m Extraction Method (This is one of the most common methods of refactoring, especially useful for a whole bunch of mud codes)Ctrl+f is used to find the variable you want to find in your edite

Tags: strong main shortcut Style UIL nbsp man csdn DetailCommon shortcut keys: 1. Execute the entire SQL script: "Ctrl" + "Shift" + "Enter" 2. Execute the current line: "Ctrl" + "Enter" 3. Comment/Uncomment: "Ctrl" + "/" 4. Format SQL statement (beautify SQL statement): "Ctrl" + "B" 5, (seemingly and input methods have conflict) Auto completion: "Ctrl" + "Space" To modify a shortcut key: The \data\main_menu.xml file is found in the installation root d

fields. For example, the student table above, with an underscore number, is a field that uniquely identifies a student, and the Number field is the primary key of the table. Since the name of the student is unavoidable, the name is generally not used as the primary key to uniquely identify a student.Let's take another example to illustrate multiple fields as primary keys. For example, students choose the timetable (school number, course number, score

Vim shortcut keys and vim common shortcut keys 1. vim ~ /. Vimrc enter the configuration file If you do not know where the vimrc file is, you can use scriptnames to view it. Set nu # row number Set tabstop = 4 # A tab has four spaces. Set ai # set automatic indent Syntax on # Highlight 2. Basic Move the Space key to the right X Delete the following character X Delete the first character delete 3 character

Introduction to common Linux shortcut keys and linux shortcut keys Back to the upper Directory: cd .. command Prompt: user @ ubuntu: @ is the current user ID name; @ is the host name before the colon (sudo): (Superusers Do) is executed by the super user in the relative path ,. indicates the current directory ,.. indicates that the upper-level directory pwd: (print working directory) of the current director

followed by functions.11.ALT+F1 you can position the element you are editing in each panel12.ctrl+p, can display parameter information13.ctrl+shift+insert can select Clipboard contents and insert14.alt+insert can generate constructors/getter/setter, etc.15.ctrl+alt+v can introduce variables. For example, to assign a variable to a SQL in parentheses16.ctrl+alt+t can wrap code inside a piece, such as Try/catch17.alt+up and Alt+down can be moved quickly between methods18. In some places, press Alt

PHP converts an array value into a key, and the PHP array is converted to a key This example describes how PHP converts array values into keys. Share to everyone for your reference. Specific as follows: function Values2keys ($arr, $value =1) { $new = array (); while (list ($k, $v) = each ($arr)) { $v = trim ($v); if ($v! = ") { $new [$v] = $value; } } return $new;} I hope this article is helpful to everyone's PHP programming.

[Mysql] basic concepts of primary keys and Foreign keys for multi-table queries using inner join and nested queries Although multi-table queries are required in computer science and databases, many teachers have not thoroughly explained this difficulty. It's confusing to have a bunch of things that are connected to the left and the right. The instructor will tell you all the multi-Table query methods, but o

123456789Ten One A theThe page has a div 100*100 color yellow press the keyboard and the left and right keys can operate div Mobile CTRL + keyboard up and down can zoom out CTRL + keyboard around keys can be randomly changed color