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What is scope/named_scope in rails?
...scopes can be very powerful tools to easy your work.
Check out this link: API Description
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...e AVD Manager and create a new AVD with the Target value of Android 4.0.3 (API Level 15), revision 3 or higher.
So Android 4.0.3 (API Level 15) seems to be the minimum requirement for graphics acceleration.
Update 25.07.2018:
The latest Android Studio version does not have this option anymore.
I...
Calculate distance between two points in google maps V3
...clude:
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&v=3&libraries=geometry"></script>
in your head section.
The call will be:
google.maps.geometry.spherical.computeDistanceBetween (latLngA, latLngB);
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How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
...ime experimenting with this. It seems to sort of follow the new Clipboard API spec. You can define a "paste" event handler and look at event.clipboardData.items, and call getAsFile() on them to get a Blob. Once you have a Blob, you can use FileReader on it to see what's in it. This is how you ca...
Playing .mp3 and .wav in Java?
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you can play .wav only with java API:
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
code:
AudioInputStream audioIn = AudioSystem.getAudioInputStream(MyClazz.class.getResource("music....
Scroll to bottom of div?
...is to use Element.scrollIntoView() -- developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView
– MichielB
Aug 14 at 15:27
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What's a good Java, curses-like, library for terminal applications? [closed]
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There is Charva, which links to native code but has an api based on Swing.
The screenshots show lots of text windows, so that looks useful.
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Count elements with jQuery
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var count_elements = $('.class').length;
From: http://api.jquery.com/size/
The .size() method is functionally
equivalent to the .length property;
however, the .length property is
preferred because it does not have the
overhead of a function call.
Please see:
http...
Facebook Access Token for Pages
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Go to the Graph API Explorer
Choose your app from the dropdown menu
Click "Get Access Token"
Choose the manage_pages permission (you may need the user_events permission too, not sure)
Now access the me/accounts connection and copy your page'...
Append file contents to the bottom of existing file in Bash [duplicate]
I'm trying to work out the best way to insert api details into a pre-existing config. I thought about using sed to insert the contents of the api text file to the bottom of the config.inc file. I've started the script but it doesn't work and it wipes the file.
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