key solution multiplan

Php small white array solution resorts the array based on a certain key value to give a json Array such as 100 [{"Id": "1", "name": "21g", "dis": "33 "}, {"Id": "2", "name": "21g", "dis": "22 "}, {"Id": "3", "name": "21g", "dis": "3 "}, {"Id": "4", "name": "21g", "dis": "5 "}, {"Id": "5", "name": "21g", "dis": "12"}] Sort by dis in ascending order [{"Id": "3", "name": "21g", "dis": "3 "}, {"Id": "4", "name"

;}}; Mactionbardrawertoggle.syncstate (); Mdrawerlayout.setdrawerlistener (Mactionbardrawertoggle);public boolean onKeyDown (int keycode, keyevent event) { if (flag) { Fragmentmanager fm = Getsupportfragmentmanager (); Fm.begintransaction (). Hide (Mleftmenufragment). commit (); return true; } Return Super.onkeydown (KeyCode, event);}The first one is recommended, the second kind of personal test will have a lag, click the Back button and then click the Menu button, the menu content will a

Environment: MySQL Server 5.1 + Navicat for Mysql 8.2 problem: a 121 error occurs when the foreign key is deleted. Solution: Change the foreign key name to another name. For details about the error message www.2cto.com, refer to: error121. This is a duplicate error of the external keyword name. Even in different tables, the names of external keywords cannot be re

Reposted at: http://blog.csdn.net/donglynn/article/details/17056099error SQL query: Delete from 'zmax _ Lang 'Where convert ('zmax _ Lang'. 'lang 'using utf8) = 'Fr' limit 1 MySQL returns: #1451-cannot delete or update a parent row: A foreign key constraint fails ('myreview/zmax_text ', constraint 'zmax _ text_ibfk_1' foreign key ('lang ') references 'zmax _ Lang '('lang ')) The above is because

Create a new C # project, add the appsettings key in App. Config, and run with the error "configuration system failed to initialize", MSDN writes that if the configuration file contains configsections elements, the configsections element must be The first child element of a configuration element. ", it is normal to put the appsettings you added to configsections.C # reads the App. Config Profile node key va

First, describeThe Linux system is connected remotely on the SECURECRT terminal, and the HBase shell script is used for distributed database operations, but you cannot modify the script that entered the error using the DELETE key.Second, the solutionThe first step: Select the "Options" button in the SecureCRT menu bar and select "Session Options" in the pop-up options;The second step: in the Popup dialog box, select "Terminal" on the left, and then select "Emulation" to select "Linux" on the rig

First, see if there is an IME switch problem only in Word documents. The following three networking to Win7 good partner, Office2010 in the Word document as an example, to see how this input method switching solution: A, in Word's menu click "File-Options": b, in the Options window, click Advanced, and then from the Right Detail window, locate the Input method control is active and tick it. C, restart Word to see if the problem is resolved. Of cou

We all know that the WINDOWS8 system did not start the Levin function, although it found a way to restore the Windows 8 Start menu, but I think the settings are very annoying. There is no Start menu I use the shortcut version of the beginning of the bill is! It is also win+x, this shortcut is what we call the accelerator version of the beginning of the bill. But the Win+x shortcut key under Windows 8 system doesn't respond. How do you get it back? The

Today in the debugging of a Flash Game website game page, found in the play Flash game, the mouse on the flash above, with the keyboard control Flash racing game forward direction, suddenly found, in the keyboard up and down the direction of the key, ie scroll bar unexpectedly then flip up, Through the QQ group of many technicians consulting, still did not get the answer, debugging for a long time, in the button down the arrow, the browser right scrol

Tags: home color bin vim class input col har aptUbuntu under the VI Input Direction key will become ABCD, this is Ubuntu preinstalled is the vim tiny version, install the VIM full version can be resolved.Uninstall Vim-tiny First:sudo apt-get remove Vim-commonRe-install VIM full:sudo Install VimThen we were pleasantly surprised to find that it was back to normal.Conv New, published in the blog ParkReprint please indicate the source, welcome mail exchan

For example, an Android program contains two activity, mainactivity and otheractivity,mainactivity for program-initiated activity. If the program is located in Otheractivity, click the Home button, the program returns to the desktop,In the second click of the program icon, the program will automatically restart by default, that is, to re-enter mainactivity, rather than enter the time to click the Home button in the otheractivity of the program.Workaround:Modify in Androidmanifest.xml, Mainactivi

Wampserver is not green: Wampserver download installation does not need to configure the environment, before this need to download tomcat, and make sure to boot, otherwise it will be red. Install Wampserver (that is, the installation process will not eject the missing files, my missing **.dll files) It is best to check if Tomcat can start normally, if Tomcat does not start properly, and the configuration environment is correct, then consider modifying the Tomcat port. After Tomcat starts normall

After setting android: parentActivityName, click the return key of the sub-Activity. The parent Activity always calls the OnDestroy () solution, I 've been checking this for a long time and share it with you, The principle is very simple. An Activity declares android: parentActivityName in manifet. At this time, click the return button in the upper left corner of the Activity to return, When a declared pare

.png " alt= "Bf68d690a18afcc8b678acb25339f5c5.png"/>Phpwamp garbled Fix (this hotfix is available for all PHP integrated environments and self-installing PHP environments)This PHP garbled fix can solve a variety of reasons caused by garbled, can also solve the PHP environment caused by the page garbled, not normal display,and The following is a garbled hotfix detailed use procedure650) this.width=650; "src=" Https://s1.51cto.com/oss/201711/05/881dbf8ca8064f4a389b8e9b81fb8560.png "title=" 2.png "

Phenomenon: Using the arrow keys in the PYTHON3 interpreter interface will produce something like this: [D^[c and other garbled characters.Cause: ReadLine function not enabledWorkaround:Yum install-y readline-devel//install C ReadLine related filesMake Distclean//clean up information about prior to the installation processVim./moudules/setup.dist//Edit Setup.dist file under modules in Python3 source directory#readline readline.c-lreadline-ltermcap //Remove the comment before the line in the set

1. Turn on the root userFirst, set a password for the root user:sudo passwd root 1 1 2. Log in with the root user$ sudo vi /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf 1 1 At the end of the increase greeter-show-manual-login=trueSave exit. After logging out you can see the login box is displayed, you can enter the user name.3. Turn off the Guest user$ sudo vi /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf 1 1

Contact VI Editor, just used to really not used to, think slowly adapt, but found that the most I can not stand is in the input mode unexpectedly intelligent with a-Z of these keys, commonly used other editor Jian backspace and four direction keys are not used. Originally thought this is often said is difficult to use, but finally found that oneself see too short ah. Here's a workaround:Execute the sudo apt-get remove Vim-commonunder Terminal, and then execute the sudo apt-get install vim. After