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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ge file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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TypeScript “this” scoping issue when called in jquery callback
I'm not sure of the best approach for handling scoping of "this" in TypeScript.
4 Answers
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How to hide output of subprocess in Python 2.7
I'm using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message:
5 Answers
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How to hide a View programmatically?
...er. Via a menu option, I want to be able to make the bottom one disappear, and have the top one drop down over the disappeared LinearLayout .
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How to render a PDF file in Android
Android does not have PDF support in its libraries. Is there any way to render PDF files in the Android applications?
9 Ans...
Ruby send vs __send__
I understand the concept of some_instance.send but I'm trying to figure out why you can call this both ways. The Ruby Koans imply that there is some reason beyond providing lots of different ways to do the same thing. Here are the two examples of usage:
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What is the easiest way in C# to trim a newline off of a string?
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very concise and deals with the \r\n issue, nice
– Edward Tanguay
Jun 24 '09 at 13:28
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JSON serialization of Google App Engine models
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A simple recursive function can be used to convert an entity (and any referents) to a nested dictionary that can be passed to simplejson:
import datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}
for key, prop...
Best way to change the background color for an NSView
...l but the transparency didn't work. I'm coming to Cocoa from Cocoa Touch, and surprised to see that in some ways the Cocoa Touch framework is more complete (!). I was thinking of making a class extension for NSView that would allow you to set backgroundColor like you can an NSWindow or UIView, but...
Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
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As of PHPUnit 3.5, there is a built-in autoloader class that will handle this for you:
require_once 'PHPUnit/Autoload.php';
Thanks to Phoenix for pointing this out!
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