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Alarm Manager Example
...ort android.content.Context;
import android.content.Intent;
import android.os.PowerManager;
import android.widget.Toast;
public class Alarm extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
PowerManager pm = (PowerManager) con...
Good tool to visualise database schema? [closed]
...MySQL and: DB2, Derby, Firebird, HSQLDB, Informix, MaxDB, MS SQL, Oracle, PostgreSQL, SQLite, Sbase, Teradata.
– iled
Feb 2 '16 at 21:27
...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
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FloatingActionButton 扩展
FloatingActionButton 是一个免费的悬浮操作按钮扩展，提供了高度可定制的悬浮按钮功能。该扩展支持自定义图标、颜色、大小、圆角半径、位置和文本，是 Material Design 设计规范中的经典组件...
Fixing Sublime Text 2 line endings?
...rminate each line in new files.
// Valid values are 'system' (whatever the OS uses), 'windows' (CRLF) and
// 'unix' (LF only).
You are setting
"default_line_ending": "LF",
You should set
"default_line_ending": "unix",
s...
java get file size efficiently
...he code below:
For runs = 1 and iterations = 1 the URL method is fastest most times followed by channel. I run this with some pause fresh about 10 times. So for one time access, using the URL is the fastest way I can think of:
LENGTH sum: 10626, per Iteration: 10626.0
CHANNEL sum: 5535, per Itera...
The command rbenv install is missing
...ithub.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
su...
Microsecond timing in JavaScript
Are there any timing functions in JavaScript with microsecond resolution?
4 Answers
4
...
Comparing date part only without comparing time in JavaScript
...or of the date object. For example, change the timezone on your computer's OS to East Coast (US) time. Open the console of your browser and type var date2 = new Date(2011,8,20). Now change the OS's time zone to Pacific Time (US). In the same browser console type date2.toDateString() and you'll get b...
Why and not taking font-family and font-size from body?
...
By default, browsers render most form elements (textareas, text boxes, buttons, etc) using OS controls or browser controls. So most of the font properties are taken from the theme the OS is currently using.
You'll have to target the form elements themse...
Proper use of beginBackgroundTaskWithExpirationHandler
...
The accepted answer is very helpful and should be fine in most cases, however two things bothered me about it:
As a number of people have noted, storing the task identifier as a property means that it can be overwritten if the method is called multiple times, leading to a task that...