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How to play ringtone/alarm sound in Android
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This works fine:
AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
MediaPlayer thePlayer = MediaPlayer.create(getApplicationContext(), RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION));
try {
thePlayer.setVolume((float) (audioManager.getSt...
Create an index on a huge MySQL production table without table locking
...ters:
Master A has your MySQL database running on it
Bring Master B into service and have it replicate writes from Master A ( B is a slave of A)
Perform the schema update on Master B. It will fall behind during the upgrade
Let Master B catch up. Invariant: Your schema change MUST be capable of p...
How to check what user php is running as?
...e em in your ssh command line and you will see what user is listening what service.
you can also go and check this file:
more /etc/apache2/envvars
and look for these lines:
export APACHE_RUN_USER=user-name
export APACHE_RUN_GROUP=group-name
to filter out envvars file data, you can use grep:
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How to write log to file
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Was like $ cd /etc/systemd/system $ sudo vi app.service ExecStart=/bin/bash -c 'sudo go run main.go >> /home/ubuntu/go/src/html_menu_1/logfile' Me NOT work Ubuntu 18.04.3
– Ryosuke Hujisawa
Feb 20 at 23:07
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Change the default editor for files opened in the terminal? (e.g. set it to TextEdit/Coda/Textmate)
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open uses Launch Services to determine the file type, mostly based on its extension. If the file has an unknown extension, it'll fail to open the file. Generally, your CLI editor should be something that assumes text files...
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Differences between TCP sockets and web sockets, one more time [duplicate]
...e any barrier (e.g. firewalls) between a Client and a Server offering some services (usually port 80 is accessible from anywhere, by anyone). Client and Server can switch over speaking HTTP in any moment, making use of the same TCP connection (which is never released).
Behind the scenes WebSocket ...
Java Annotations
...otation your code contains no cumbersome API calls to use the middle-
ware services. The code is clean and focused on business logic
transfer(Account account1, Account account2, long amount)
{
// 1: Subtract the balance from one account, add to the other
}
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Getting the application's directory from a WPF application
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I've used the first method in a WCF service, in a WPF Application and in a Class Library project and worked fine in all.
– Apostrofix
Nov 25 '15 at 12:21
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App Inventor 2 字典代码块 · App Inventor 2 中文网
...载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
How can I remove or replace SVG content?
...ns a chart. I want to update the chart based on new data coming from a web service using AJAX, the problem is that each time I click on the update button, it generates a new svg , so I want to remove the old one or update its content.
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