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How To Save Canvas As An Image With canvas.toDataURL()?
...th=200 height=200 id="thecanvas"></canvas>
<div><button onclick="to_image()">Draw to Image</button></div>
<image id="theimage"></image>
</body>
</html>
...
How to create an AVD for Android 4.0
...figurations->Android Application or Android Tests -> Emulator (radio button) -> Select your newly created AVD
– Ted Spradley
Apr 13 '14 at 18:43
...
Set Focus on EditText
...
This changes the focus of the EditText when the button is clicked:
public class MainActivity extends Activity {
private EditText e1,e2;
private Button b1,b2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstan...
Change Bootstrap input focus blue glow
...
Nice, but that won't apply to buttons and other links, only input and textarea, apparently. For buttons, you still need to override with .btn:focus { outline: none; }, for example.
– zok
Dec 26 '14 at 0:00
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Changing API level Android Studio
...12'
compile fileTree(dir: 'libs', include: ['*.jar'])
}
Sync gradle button (refresh all gradle projects also works)
For beginners in Android Studio "Sync gradle button" is located in
Tools -> Android -> Sync Project with Gradle Files "Rebuild project"
Build -> Rebuild Projec...
DataTrigger where value is NOT null?
...
I'm using this to only enable a button if a listview item is selected (ie not null):
<Style TargetType="{x:Type Button}">
<Setter Property="IsEnabled" Value="True"/>
<Style.Triggers>
<DataTrigger Binding="{Binding Elem...
Forcing a WPF tooltip to stay on the screen
...e a Style in your Window.Resources for those elements. Here is a Style for Button that has such a ToolTip :
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:sys="clr-namespace:System;assembly=mscorl...
The data-toggle attributes in Twitter Bootstrap
...iting JavaScript. Set data-toggle="modal" on a
controller element, like a button, along with a data-target="#foo" or href="#foo"
to target a specific modal to toggle.-->
<button type="button" data-toggle="modal" data-target="#myModal">Launch modal</button>
...
Remove Safari/Chrome textinput/textarea glow
...ct with. Let accessibility trump aesthetics here.
textarea, select, input, button { outline: none; }
Although, it's been argued that keeping the glow/outline is actually beneficial for accessibility as it can help users see which Element is currently focused.
You can also use the pseudo-element ':f...
Difference between a View's Padding and Margin
...ere may or may not be a visual difference between padding and margin.
For buttons, for example, the characteristic button background image includes the padding, but not the margin. In other words, adding more padding makes the button look visually bigger, while adding more margin just makes the gap...