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getting the screen density programmatically in android?
... screen size. So the metrics.densityDpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi).
If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical dens...
Play an audio file using jQuery when a button is clicked
... "ogg": "audio/ogg",
"wav": "audio/wav"
}
function ss_soundbits(sound){
var audio_element = document.createElement('audio')
if (audio_element.canPlayType){
for (var i=0; i<arguments.length; i++){
var source_element = document.creat...
Worth switching to zsh for casual use? [closed]
...ct it with
tar -xzvf bash-completion-20060301.tar.gz
then copy the bash_completion/bash_completion file to /etc with
sudo cp bash_completion/bash_completion /etc
which will prompt you for your password. You probably will want to make a /etc/bash_completion.d directory for any additional comp...
What is the most efficient way to concatenate N arrays?
...n Chrome at least. Test case: [].concat.apply([], Array(300000).fill().map(_=>[1,2,3])). (I've also gotten the same error using the currently accepted answer, so one is anticipating such use cases or building a library for others, special testing may be necessary no matter which solution you choo...
Display image as grayscale using matplotlib
...If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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How to present popover properly in iOS 8
...s where you don't need to reassign the value.
– EPage_Ed
Sep 13 '14 at 1:47
3
This is bugged in t...
Check that Field Exists with MongoDB
...
Suppose we have a collection like below:
{
"_id":"1234"
"open":"Yes"
"things":{
"paper":1234
"bottle":"Available"
"bottle_count":40
}
}
We want to know if the bottle field is present or not?
Ans:
db.products.f...
What is the difference between UTF-8 and ISO-8859-1?
...
Unicode is actually 17 planes of 2^16 code points. 0x00_0000 to 0x1F_FFFF. The 17 planes can accommodate 1,114,112 code points. Of these, 2,048 are surrogates, 66 are non-characters, and 137,468 are reserved for private use, leaving 974,530 for public assignment.about 1 million. ...
How can I load storyboard programmatically from class?
...cond = "SecondViewController"
}
extension UIStoryBoard{
class func load(_ storyboard: StoryBoardName) -> UIViewController{
return UIStoryboard(name: storyboard.rawValue, bundle: nil).instantiateViewController(withIdentifier: storyboard.rawValue)
}
}
and then you can load your Storyb...
How can I wrap text in a label using WPF?
... TextBlock inside the Label like so:
<Label
Content="_Content Text:"
Target="{Binding ElementName=MyTargetControl}">
<Label.Resources>
<Style TargetType="TextBlock">
<Setter Property="TextWrapping" Value="Wrap" />
</St...