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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...found on various articles on websites. Credits goes to the original author from the @see links.
Note that a lot more can be done with color matrices. Including inverting, etc...
public class ColorFilterGenerator
{
/**
* Creates a HUE ajustment ColorFilter
* @see http://groups.google.com/group...
startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...called");
}
Call startActivityForResult(intent, HOMEWORK_POST_ACTIVITY); from FragmentA.Java
Call finish(); method in SecondActivity.java
Hope this will work.
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Can't seem to discard changes in Git
After seeing the following from the command line:
19 Answers
19
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process.waitFor() never returns
... common reason is that the process produces some output and you don't read from the appropriate streams. This means that the process is blocked as soon as the buffer is full and waits for your process to continue reading. Your process in turn waits for the other process to finish (which it won't bec...
Is it possible to create a File object from InputStream
Is there any way to create a java.io.File object from an java.io.InputStream ?
7 Answers
...
Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
...rState:(UIControlState)state {
[self setBackgroundImage:[UIButton imageFromColor:backgroundColor] forState:state];
}
+ (UIImage *)imageFromColor:(UIColor *)color {
CGRect rect = CGRectMake(0, 0, 1, 1);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurre...
Getting a random value from a JavaScript array
...ed in your project you can use _.sample.
// will return one item randomly from the array
_.sample(['January', 'February', 'March']);
If you need to get more than one item randomly, you can pass that as a second argument in underscore:
// will return two items randomly from the array using unders...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...he default action for the click event (i.e. navigating to the link target) from occurring.
There are two ways to do this.
Option 1: event.preventDefault()
Call the .preventDefault() method of the event object passed to your handler. If you're using jQuery to bind your handlers, that event will be...
Resolve conflicts using remote changes when pulling from Git remote
I'm trying to pull code from my GitHub repo onto my server, but the pull keeps failing because of merge conflicts. I don't want to keep any of the changes that may have occurred on my local server since the last pull.
...
How to step through Python code to help debug issues?
...ep is to make the Python interpreter to enter into the debugging mode.
A. From the Command Line
Most straight forward way, running from command line, of python interpreter
$ python -m pdb scriptName.py
> .../pdb_script.py(7)<module>()
-> """
(Pdb)
B. Within the Interpreter
While de...