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How to Rotate a UIImage 90 degrees?
...rientationUp (portrait) that I would like to rotate counter-clockwise by 90 degrees (to landscape). I don't want to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally intended to resize a UIImage to do this...
Android OpenGL ES and 2D
...ave your canvas set up, you start by calling something like:
gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
After that you're ready to render a sprite.
First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html
However, this is the...
How does this CSS produce a circle?
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How does a border of 180 pixels with height/width-> 0px become a circle with a radius of 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source...
How to debug a GLSL shader?
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answered Mar 24 '10 at 17:14
Mr. BernaMr. Berna
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Better techniques for trimming leading zeros in SQL Server?
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SUBSTRING(str_col, PATINDEX('%[^0]%', str_col+'.'), LEN(str_col))
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Difference between declaring variables before or in loop?
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260
Which is better, a or b?
From a performance perspective, you'd have to measure it. (And in my o...
Floating elements within a div, floats outside of div. Why?
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How to insert element into arrays at specific position?
...on array operator (+) can recombine the parts.
$res = array_slice($array, 0, 3, true) +
array("my_key" => "my_value") +
array_slice($array, 3, count($array)-3, true);
This example:
$array = array(
'zero' => '0',
'one' => '1',
'two' => '2',
'three' => '3',
);
$...
How do I get the time of day in javascript/Node.js?
...he getHours() method for the Date object.
getHours() return the time from 0 - 23, so make sure to deal with it accordingly. I think 0-23 is a bit more intuitive since military time runs from 0 - 23, but it's up to you.
With that in mind, the code would be something along the lines of:
var date = ...
Win32 创建控件风格不是Win XP的解决方案 - C/C++ - 清泛网 - 专注C/C++及内核技术
...teWindowEx创建出来的控件的风格不像XP风格，而是像Windows 2000...有时候我有在用Win32 API来向窗体上添加控件时，通过CreateWindow或CreateWindowEx创建出来的控件的风格不像XP风格，而是像Windows 2000的风格，界面很难看。注意，是动态调...