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How to close activity and go back to previous activity in android
...he built-in 'back' button and Android itself will do all the work for you: http://developer.android.com/guide/components/tasks-and-back-stack.html
Also, implementing a custom "back" button violates Core App Quality Guideline UX-N1: http://developer.android.com/distribute/googleplay/quality/core.htm...
How to add Action Bar from support library into PreferenceActivity?
...ding="utf-8"?>
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/toolbar"
app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
android:layout_width="match_pa...
Running multiple AsyncTasks at the same time — not possible?
...mple test app to play with number of tasks, serial vs. parallel execution: https://github.com/vitkhudenko/test_asynctask
UPDATE: 4 (thanks @penkzhou for pointing this out)
Starting from Android 4.4 AsyncTask behaves differently from what was described in UPDATE: 2 section. There is a fix to preven...
How do I clear/delete the current line in terminal?
... Cut word before the cursor
Ctrl+y Paste the last deleted command
Ctrl+_ Undo
Ctrl+u Cut everything before the cursor
Ctrl+xx Toggle between first and current position
Ctrl+l Clear the terminal
Ctrl+c Cancel the command
Ctrl+r Search command in history - type the search term
Ctrl+j End...
WPF TemplateBinding vs RelativeSource TemplatedParent
...ve a few differences.
Here is a link to the TemplateBinding documentation:
http://msdn.microsoft.com/en-us/library/ms742882.aspx
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How to open a local disk file with JavaScript?
...he file:</h3>
<pre id="file-content"></pre>
Specs
http://dev.w3.org/2006/webapi/FileAPI/
Browser compatibility
IE 10+
Firefox 3.6+
Chrome 13+
Safari 6.1+
http://caniuse.com/#feat=fileapi
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Instantiating object of type parameter
...
If you're willing to subclass you can avoid erasure as well, check out
http://www.artima.com/weblogs/viewpost.jsp?thread=208860
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How to get a thread and heap dump of a Java process on Windows that's not running in a console
...utilities that can help. For thread dumps, jstack {pid} is your best bet. http://docs.oracle.com/javase/1.5.0/docs/tooldocs/share/jstack.html
Just to finish the dump question out: Heap dumps are not commonly used because they are difficult to interpret. But, they have a lot of useful information i...
Can't find a “not equal” css attribute selector
...
:not([foo=''])
{
background: red;
}
http://jsfiddle.net/gsLvuys0/
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Uploading base64 encoded Image to Amazon S3 via Node.js
..., key);
return location;
}
module.exports = imageUpload;
Read more: http://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#upload-property
Credits: https://medium.com/@mayneweb/upload-a-base64-image-data-from-nodejs-to-aws-s3-bucket-6c1bd945420f
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