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Grid of responsive squares
... you can code :
HTML :
<div></div>
CSS
div {
width: 30%;
padding-bottom: 30%; /* = width for a square aspect ratio */
}
Here is a simple layout example of 3*3 squares grid using the code above.
With this technique, you can make any other aspect ratio, here is a table giv...
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...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：
在模型窗口中输入如下代码：
min=2*x1+3*x2;
x1+x2>=350;
x1>=100;
2*x1+x2<=600;
然后点击工具条上的按钮 即可。
例1.2 使用LINGO软件计算6个发点8个收点的最小费用运输问题。产销单位运价如下表。
销地
产地
B...
Ternary operator is twice as slow as an if-else block?
...
10 Answers
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Is it safe to check floating point values for equality to 0?
...ality between double or decimal type values normally, but I'm wondering if 0 is a special case.
9 Answers
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How to use php serialize() and unserialize()
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10 Answers
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Version number comparison in Python
... cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
17 A...
How can I get a list of locally installed Python modules?
...
30 Answers
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Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
...
Why is the shovel operator (
...
Proof:
a = 'foo'
a.object_id #=&gt; 2154889340
a &lt;&lt; 'bar'
a.object_id #=&gt; 2154889340
a += 'quux'
a.object_id #=&gt; 2154742560
So &lt;&lt; alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic short...