Excerpt from: http://stackoverflow.com/questions/5317889/sql-keys-mul-vs-pri-vs-uni/15268888#15268888 SQL keys, MUL vs PRI vs UNI DESCRIBE Acutally a shortcut for: SHOW COLUMNS from In any case, there is three possible values for the "Key" attribute:
Pri
UNI
MUL
The meaning of the PRI and UNI
1. If key is empty, then the column value can be duplicated, indicating that the column has no index, or is a non-leading column of a non-unique composite index2. If key is a PRI, then the column is part of the primary key3. If key is uni, then the column is the first column (the leading column) of a unique value index and must not contain a null value (NULL)4. If key is Mul, the value of the column can be repeated, which is a leading column of a non-
Heterogeneous NetworksIn the process of integration, ZTE is based on the SDR Soft Base Station TechnologyThe Uni-RAN solution is fully qualifiedIt is widely recognized by more operators and has become a mainstream network construction model.
Accelerating multi-network collaboration
The coexistence of 2G/3G/WLAN/LTE and other networks has become a trend. With the introduction of Iot/sensor networks and the development of Smart Cities, multiple heteroge
Recently I have studied lancher, from the text message MMS framework to the bug and demand modification of launcher. Next I will explain the layout of the simplest home screen program of launcher, it gives readers a sense of getting started. The main screen of Android is divided into five screens, which are 0, 1, 2, 3, and 4 from left to right. So which programs or widgets you want to put on the home screen
Os:ubuntu Linux 12.04I manually updated the Firefox browser the other day (see http://www.cnblogs.com/yzsatcnblogs/p/4266985.html), but then when I opened the browser, there was no Firefox icon on the launcher. This allows us to no longer open the minimized browser ... Nor can you quickly open the browser. So I learned how to add an icon to the launcher and change the icon pattern. summarized here.(1) Click
The most appealing thing about Android phones is its open source and the pleasure of other third-party apps. Experimenting with windows on Android phones is an exploration project for some mobile enthusiasts, whether remotely controlled or virtual, and there is a new way to do it. Today's small series to introduce a copy of the Desktop XP desktop software XP Mod Launcher.
XP Mod Launcher is a desktop appli
Foreword: Has been looking at the Launcher module recently, after almost two months study, finally understood the launcher some main function realization, now continues still inGroping state. Did not see launcher, in my case, can only worship, thought that all functions are it to achieve; Getting started, only to discover that launcher's many functions are justIn
I have been modifying launcher recently, so I plan to record the process of analyzing and modifying the source code. Recently I will write some blog posts about launcher analysis and modification. Because I modified the launcher of 4.0.3ArticleThe launcher is based on the launcher2 modification of android4.0.3.
Note: Please download the game first.1. C5 "Settings" in Samsung.2. Then find the "Advanced features" option in the interface after opening the entry.3. After entering, click on the "game" effect as follows.4. Click on the "Game Launcher", right here, we click to enter to open it.5. Click on the right slider switch, show "open" Representative has been opened.6. After opening the game launcher, we return to
Android Launcher: get the list of apps installed on your mobile phone. Android launcher
The most important of Launcher is to obtain the entries and icons of all application lists. Generally, there are two methods to obtain them:
PackageInfo
ResolveInfo
Run and obtain the Launcher of all apps and allow click events to g
After the boot is complete and unlocked, if there is more than one launcher on the Android system, a selection box pops up to let the user choose to enter a launcher. If the user does not want to choose, but want to go directly to a default launcher, how to modify?Note: This modification is not valid for Google Now Launcher
The research code starts with: Androidmanifest.xml, custom Application.java.When the Android system starts, the system needs a home application to be responsible for displaying the applications, that is, the application is intended to be the first application launched by the Android system. On Android, this default home application is launcher.To use an application as a home, simply add a category to the Android.xml file:For several property descriptions in the Androidmanifest.xml file:Where And
Blog migration-I have migrated my blog to www.ijavaboy.com to better manage it. We are sorry for the inconvenience caused by no updates! New address of this article: Click me
In this article, we will write how launcher achieves the drag and drop of items on the desktop in Android. After studying its mechanism, the brain suddenly gets angry and wants to implement a drag-and-drop listview, after understanding the drag and drop of items in
First, draw a launche startup flowchart. Although it is not a special specification, I can barely look at it. I also sorted out a series of launcher flowcharts. Recently I modified launcher and learned more about launcher,
Reprinted please indicate the source: http://blog.csdn.net/wdaming1986/article/details/8267156
Daming figure (1)
Note: loadworkspacefirst i
Cause Analysis: JDK version does not match eclipsesuch as JDK and Eclipse version numbers must be uniform, 64-bit is 64-bit, 32-bit is 32-bit.The JDK version can be used with commands, cmd into the command window, and then enter Java-version to view the last line of version information.If the eclipse version is too old, you will be prompted with the new JDK version, and you will need to replace the JDK version with the old version.After you replace the JDK version, you need to re-unzip the Eclip
); }
Mall1_grid is used above. Let's look for this control:
private AllAppsView mAllAppsGrid; mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view); mAllAppsGrid.setLauncher(this); mAllAppsGrid.setDragController(dragController); ((View) mAllAppsGrid).setWillNotDraw(false); // We don't want a hole punched in our window. // Manage focusability manually since this thing is always visible ((View) mAllAppsGrid).setFocusable(false);
The above code is defined in the setup
Note: Please download the game first.
1. In standard mode, slide the screen to the left.
2. Click "Settings".
3. Slide up the screen and select "Advanced Features".
4. Click "Game".
5. Click on "Game Launcher".
6. Click the "Off" right "slider" switch, show "on" or the slider light on the representative has been opened.
7. Return to the main screen, the main screen "game
1. Launcher Overall structureDesktop programs do not actually include desktop wallpaper, desktop wallpaper is actually provided by Wallpapermanagerservice, the entire desktop is actually superimposed on the entire desktop wallpaper on the other layer.1.1 WorkSpaceLauncher the root of the entire layout is Draglayer,draglayer inherits Framelayout, so Draglayer itself can be seen as a framelayout. Here is Dock_divider, which contains another layout file
Launcher is our home, which can be simply understood as a simplified Linux GUI. As a GUI, it must first complete its most essential functions,That is, it must be able to provide categing to all applications (category_launcher). However, as a GUI, it must not only be a good score, but also be a beautiful girl (wallpaper );In addition, it must be highly interactive. If there is no good interaction, just like you have been paying attention to a beauty fo
Sometimes, for launcher development, you need to remove the search box and protipwidget on the launcher. In addition, protipwidget is added after Android 2.2. After searching for N for a long time, the original definition file is in launcher2/RES/XML/default_workspace.xml, and the file is pasted below:
Then,
These two are the search box we are looking for and protipwidget (I don't know how to translate t
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.