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Draw in Canvas by finger, Android

...ngth - 1); int i = (int)p; p -= i; // now p is just the fractional part [0...1) and i is the index int c0 = colors[i]; int c1 = colors[i+1]; int a = ave(Color.alpha(c0), Color.alpha(c1), p); int r = ave(Color.red(c0...
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Invalid argument supplied for foreach()

...able to remove the other two classes, @Kris. They both extend Traversable now and seem to have been born that way in 5.0.0. Though I'm feeling a tiny doubt as to whether instanceof always applied to extends. – Bob Stein Mar 8 '14 at 10:44 ...
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Fatal error: “No Target Architecture” in Visual Studio

... _WIN32 identifier is not defined. use #include <SDKDDKVer.h> MSVS generated projects wrap this include by generating a local "targetver.h"which is included by "stdafx.h" that is comiled into a precompiled-header through "stdafx.c...
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Creating anonymous objects in php

As we know, creating anonymous objects in JavaScript is easy, like the code below: 12 Answers ...
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jQuery: How can i create a simple overlay?

...An overlay is, simply put, a div that stays fixed on the screen (no matter if you scroll) and has some sort of opacity. This will be your CSS for cross browser opacity of 0.5: #overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: #000; ...
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Getting list of parameter names inside python function [duplicate]

...f func(a,b,c): print(locals().keys()) prints the list of parameters. If you use other local variables those will be included in this list. But you could make a copy at the beginning of your function. share | ...
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Code equivalent to the 'let' keyword in chained LINQ extension method calls

... Woah, I didn't know you could autoencapsulate using the new operator like that. – David Pfeffer Sep 22 '10 at 15:31 19 ...
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Android studio - Failed to find target android-18

...ough. In my case, I changed both compileSdkVersion, and buildToolsVersion. Now it work. Hope this help buildscript { repositories { mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:0.6.+' } } apply plugin: 'android' ...
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String comparison using '==' vs. 'strcmp()'

... icic tho in my current case, i dont need to know which string is greater :) – Jiew Meng Jul 26 '10 at 9:11 158 ...
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Why doesn't list have safe “get” method like dictionary?

...ection (values are associated with names) where it is inefficient to check if a key is present (and return its value) without throwing an exception, while it is super trivial to avoid exceptions accessing list elements (as the len method is very fast). The .get method allows you to query the value ...