Form: http://www.informit.com/articles/article.aspx? P = 25862 redir = 1In this article, Jimmy Nilsson presents the pros and cons of using globally unique identifiers (guids) as the datatype for primary keys in SQL Server 2000. in doing so, he shows you test results that hint of performance characteristics and introduces you to a special type of guid that he has Ted, called combs, that solves what otherwise might give you a big throughput problem.
Na
Ctrl + Command + Shift + 3Partial screen Clipboard Ctrl + Command + Shift + 4Window/icon Clipboard 1. Ctrl + Command + Shift + 42. The format of the space screenshot can be changed from system maintenance programs such as Onyx to Jpeg,png. Computer Start Action shortcut keys boot to safe Mode Shift (after power-on sound)Open the Login window Shift (when the screen turns blue)and close the open window Shift (during login)Booting from CD CSelect Startu
An eclipse-level developer summarizes what he thinks is the most useful but less known shortcut key combination. Through these combinations can be more easy to browse the source code, so that the overall development efficiency and quality is improved (red font for I often use the shortcut keys ), who use who know, quickly try it . Personal advice to everyone in the inside all the shortcut keys to learn, inc
spaces appear aligned in SIS(The Linux tab is 8 spaces long so that the tab and 4 spaces are aligned.) )
/************************************* shortcut key ********************************/
Application
Shortcut keys
Function
Alt+f12
Draft view
Alt+f4
Exit
Ctrl+alt+space
Redraw screen
Edit
Shortcut keys
Function
Shift+tab
Rollback a tab
BackSpace, Shift+backspace
BACKSPACE Delete
Ctrl+e
Complete symbol
Tags: error. com table structure Log SQL command mod alt tools interest Clever use of Navicat for MySQL shortcut keys, can greatly improve work efficiency, this experience will be classified to introduce NAVICAT for MySQL shortcut keys.
Ctrl+q Open Query window
ctrl+/Comment SQL statement
Ctrl+shift +/dismiss Comment
Ctrl+r SQL statement that runs the query window
Ctrl+shift+r only run th
Tags: create out from table meaning blob EFI default make Line tabNote: This article turns from:http://www.cnblogs.com/smyhvae/p/4042303.html 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
Label: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 integrity foreign Key : is the primary key of another table, the foreign key can hav
Http://btmiller.com/2015/04/13/get-list-of-keys-from-dictionary-in-python-2-and-3.htmlGet a List of Keys from a Dictionary in Both Python 2 and Python 3It was mentioned in an earlier post this there is a difference on how the keys() operation behaves between Python 2 and Pyt Hon 3. If you ' re adapting your Python 2 code to Python 3 (which you should), it'll thro
arrayList = new ArrayList ();Want to know how many places use this variable ArrayList right-click ArrayList Press A.F12 go To Definition or right click [Object] Press GFind reference right click on a4. List members, view parameter descriptions(CTRL + J) (ctrl+shift+ SPACEBAR)When you enter ArrayList, the corresponding Member list pops up: view parameter description, move cursor to parameter, press ctrl+shift+ SPACEBAR to display parameter description: NBSP; 5. Other common shortcut
From: http://www.cnblogs.com/dragonstreak_1/archive/2011/10/07/2200296.html
CTRL + H: replace CTRL + Shift + H: replace Alt + F12 in the file: Search symbol (list all search results) Ctrl + Shift + V: clipboard loop Ctrl + left and right arrow keys: you can move the word Ctrl + up/down arrow: Scroll
Code Screen, but do not move the cursor position. CTRL + Shift + L: Delete the current row Ctrl + M, M: Hide or expand the current nested folding st
Emulating navigation keys
The cepc keyboard and simulator keyboard are upgraded to support debugging and testing of mobile devices using the extended keyboard. Two different types of navigation keys need to be mapped to the development workstation by copying the keys of a mobile device. One type uses the upper/lower joystick to copy the navigation
10 most useful shortcut key combinations in eclipse an eclipse-level developer summarizes the shortcut key combinations he thinks are the most useful but less known. These combinations make it easier to navigate through the source code, resulting in improved overall development efficiency and quality.1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys. This set of shortcuts lets you open any file in you
Tags: tool att revocation navigation Test str personal Impact content10 most useful shortcut key combinations in eclipse an eclipse-level developer summarizes the shortcut key combinations he thinks are the most useful but less known. These combinations make it easier to navigate through the source code, resulting in improved overall development efficiency and quality.1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut
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10 most useful shortcut key combinations in eclipse an eclipse-level developer summarizes the shortcut key combinations he thinks are the most useful but less known. These combinations make it easier to navigate through the source code, resulting in improved overall development efficiency and quality.1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys. This set of shortcuts lets you open any fi
1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys. This set of shortcuts lets you open any file in your workspace, and you only need to press the first few letters of the file name or mask name, such as Applic*.xml. The drawback is that this set of shortcuts is not available in all views.2. Ctrl+o: Fast OutlineIf you want to see the methods of the current class or a particular method, but do not want
1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys. This set of shortcuts lets you open any file in your workspace, and you only need to press the first few letters of the file name or mask name, such as Applic*.xml. The drawback is that this set of shortcuts is not available in all views.2. Ctrl+o: Fast OutlineIf you want to see the methods of the current class or a particular method, but do not want
10 most useful shortcut key combinations in eclipse an eclipse-level developer summarizes the shortcut key combinations he thinks are the most useful but less known. These combinations make it easier to navigate through the source code, resulting in improved overall development efficiency and quality.1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys. This set of shortcuts lets you open any file in you
Go: Http://www.cnblogs.com/iamfy/archive/2012/07/11/2586869.htmlEclipse 10 most useful shortcut key combinations An eclipse-level developer summarizes what he thinks is the most useful but less known shortcut key combination. These combinations make it easier to navigate through the source code, resulting in improved overall development efficiency and quality.1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys
10 most useful shortcut key combinations in eclipse an eclipse-level developer summarizes the shortcut key combinations he thinks are the most useful but less known. These combinations make it easier to navigate through the source code, resulting in improved overall development efficiency and quality.1. Ctrl+shift+r: Open ResourceThis is probably the most time-saving combination of all shortcut keys. This set of shortcuts lets you open any file in you
A keyboard shortcut is a combination of two or more keys that you can use to perform tasks that typically require a mouse or other pointing device to perform. Keyboard shortcuts make it easier for you to interact with your computer, saving you time and effort when using Windows and other applications.
Most applications also provide accelerator keys to make it easier for you to use menus and other commands.
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