Android App Development Press the back button to run back to the backgroundMany of our daily use of Android applications (such as QQ, Weibo), in the main interface of the application press the Back button, the app does not exit, but into the background to run.So, how is it implemented in development? I found two ways to do this:
First, monitoring the return key1. Rewrite the onbackpressed () method in
Tags: priority star log lag fun func command process information precedence executionOne, do not hang up the background Run command1.nohupRun command without hanging upSyntax: Nohup Command [Arg ...] []2.After adding a command, you can put this command in the background to runFor example:Nohup/usr/local/node/bin/node/www/im/chat.js >>/usr/local/node/output.log 2>
Tags: http io os ar for SP file div onThere are a lot of documents to install, you can refer to this article:
http://www.mkyong.com/mongodb/how-to-install-mongodb-on-mac-os-x/2 questions you may encounter after installation.
1. Let Mongod run the command in the background to start MONGO Mongod has a parameter--fork can make MONGO run in the
Recently in the mobile to get the verification code countdown problem, found a problem, that is, when the screen hibernation or the program switch to the background, the iOS system countdown will be paused, but in the use of this is definitely a bug. My choice is to get the current timestamp to solve this problem, the specific code analysis is as follows: function Time_a () { var time = 10; $ ( ". Time" var t = setinterval (fun
Sometimes it is necessary to have the activity run in the background in the following ways:In Androidmanifest.xml, the activity attribute is increased:Android:theme= "@style/backgroundonly"Android:configchanges= "Orientation|keyboardhidden"Add the following as follows:Android:label= "@string/app_name"Android:theme= "@style/backgroundonly"android:configchanges= "Orientation|keyboardhidden" >Style.xml content
Objective:There is a need: The Setup program does not run in the background-that is, after each background, back to log in again. The implementation method is as follows:Operation1: Add a line in the program configuration file (Info.plist), right---add row2: Add modify key value to:doesnotrunin background3: Set value to YesCopyright NOTICE: This article for Bo Ma
All the content is collected in the network, part of the simple translation First, use screen to execute commandsnohup The command executes after the command is executed in the background, even if you exit the login. However, you cannot reconnect to this session, and to reconnect to this session, you can use the screen command as described in the previous article. The Linux Screen command provides the ability to detach and reconnect a session. When y
Tags: stop scree ash Linu run CTR Background Ctrl holdScreen-s name creates a background named name, or bash panel, where the task running does not exit because the connection is broken, and preserves information on bashSCREEN-LS Lists all the screenScreen-r the corresponding screen number back to the corresponding screenCtrl+a+d exit to a State without screenCTR
Under LINUXUNIX: nbsp; exec ( amp; quot; commmand amp; quot;); nbsp; exec ( amp; quot; perlfile. pl amp; quot;); nbsp; symbol amp; quot; indicates that the program is run in the background, the caller continues. Nbsp; WIN in LINUX/UNIX:
Exec ("commmand ");
Exec ("perl file. pl ");
The symbol "" indicates that the program is run in the
For batch files, the command line display can be hidden during execution. Can this function be directly run in the background without a window popped up?
1. Use vbsCode.
Dim objshellset objshell = wscript. createobject ("wscript. shell ") ireturn = objshell. run ("cmd.exe/C 1.bat", 0, true) ireturn = objshell. run
way, you can only wait for the task to complete on the console. Throw instructions into the background to execute[Ctrl]+z left the foreground task in the background to pauseJobs view the working status of the backgroundFG%jobnumber The backstage task to the front desk for processing.BG%jobnumber put tasks in the background to handleKill management tasks in the b
Problem Description:Environment: CentOS6.4A monitoring script written in Python, test1.py, runs with while true and starts the script with the following command when SSH is remote (using the Putty Terminal):python test1.py Now the script is working properly, through the PS can see the process number, this time directly close the SSH terminal (not with the Exit command, is directly through the Putty Close button execution), log in again after the discovery process has exited.Through the
Run Python programs in the background and standard output to fileNow there is a test.py program to deploy in the background, there are output contentUse the command:nohup python -u test.py > test.log 2>1
The last indication of the background run
2 output error
Process number 7585To view a running background process(1) jobs-lThe jobs command only looks at the current terminal in effect, after shutting down the terminal, in another terminal jobs can not see the background running program, the use of PS (Process view command)(2) Ps-ef
1
ps -aux|grep chat.js
x: Show All Programs, not the terminal to distinguishNote:With Ps
post-commit hook is executed to complete the submission.
In this wayThis results in a long wait time for the user to submit code., Affects the user experience
Therefore, the rbt post command called in post-commit should be executed in the background.
In this way, the post-commit command does not need to wait until the RBT post is executed. After the rbt post command is sent, the system directly returns
We know that in Linux, The command can pu
I wrote a python script, but the direct remote connection with putty to #python xxx.py execute, close the Putty script is also closed, here need to use the ' setsid ' command.#setsid python xxx.py
1
This allows the script to be added to the background for executionIf you want to see all the processes running in the background#ps -aux
1
Here you can see that each process has a PI
PHP uses the shell background to run the PHP script and obtain the ProcessID code of the script. For more information about php, see.
In PHP, you can use the shell background to run the PHP script and obtain the Process ID code of the script. For more information about php, see.
The Code is as follows:
$ Com
Today, I met a requirement. If the user accidentally clicks the "close" button, but he didn't really want to close the form.
You can click "close" to bring up a dialog box to determine whether to exit. This is a good solution and is easy to implement. But people don't want to do this. If they want to have the effect similar to that of QQ running in the background of the tray area, they can't, but find a way to achieve it.
In fact, there are many imp
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