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Java Generics (Wildcards)
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123
In your first question, <? extends T> and <? super T> are examples of bounded wildca...
git: difference between “branchname” and “refs/heads/branchname”
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How to tell which version of a gem a rails app is using
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173
In Rails 3 and Rails 4, use bundle show
In Rails 2, rake gems will print out what gems, depende...
Changing names of parameterized tests
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302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you ...
How do I interpret precision and scale of a number in a database?
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How to position text over an image in css
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How about something like this: http://jsfiddle.net/EgLKV/3/
Its done by using position:absolute and z-index to place the text over the image.
#container {
height: 400px;
width: 400px;
position: relative;
}
#image {
position: absolute;
left: 0;
top: 0;
}
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Understanding Canvas and Surface concepts
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CentOS+Nginx+PHP+MySQL详细配置(图解) - 更多技术 - 清泛网 - 专注C/C++及内核技术
... //启动MySQL
#/usr/local/mysql/bin/mysqladmin -u root password 123456 //设置MySQL密码
#cp support-files/my-medium.cnf /etc/my.cnf
#echo "/usr/local/mysql/bin/mysqld_safe &" >>/etc/rc.local
二、安装PCRE
PCRE是perl所用到的正则表达式，目的是让所装...
How can I pretty-print JSON using node.js?
...s = require('fs');
fs.writeFile('test.json', JSON.stringify({ a:1, b:2, c:3 }, null, 4));
/* test.json:
{
"a": 1,
"b": 2,
"c": 3,
}
*/
See the JSON.stringify() docs at MDN, Node fs docs
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#pragma pack effect
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433
#pragma pack instructs the compiler to pack structure members with particular alignment. Most ...