大约有 48,000 项符合查询结果（耗时：0.0650秒） [XML]
Worst security hole you've seen? [closed]
...ernet, government sites in particular, pass an SQL query through the query string. It's the worst form of SQL injection, and it takes no effort at all to find vulnerable sites.
With minor tweaks, I've been able to find unprotected installations of phpMyAdmin, unprotected installations of MySQL, que...
Get JSF managed bean by name in any Servlet related class
...follows:
@SuppressWarnings("unchecked")
public static <T> T findBean(String beanName) {
FacesContext context = FacesContext.getCurrentInstance();
return (T) context.getApplication().evaluateExpressionGet(context, "#{" + beanName + "}", Object.class);
}
and can be used as follows:
Bean...
Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
...on asked here three years ago, but I want to open it up further to include all possible Windows/Apache/MySQL/PHP stacks.
5 ...
Soft hyphen in HTML ( vs. ­)
...aidu: &shy; fails, &#173; fails (can match fragments within longer strings but not the words on their own containing a &#173; or &shy;)
Yandex: &shy; fails, &#173; succeeds (though it's possible it's matching a string fragment like Baidu, not 100% sure)
Find on page across ...
Remove element of a regular array
...econd element in C# zero-based array indexing).
A more complete example:
string[] myArray = { "a", "b", "c", "d", "e" };
int indexToRemove = 1;
myArray = myArray.Where((source, index) => index != indexToRemove).ToArray();
After running that snippet, the value of myArray will be { "a", "c", "d...
Difference between Math.Floor() and Math.Truncate()
...seems, simply because it can round to a specific number of decimal places. All the others round to zero decimals always. For example:
n = 3.145;
a = System.Math.Round (n, 2, MidpointRounding.ToEven); // 3.14
b = System.Math.Round (n, 2, MidpointRounding.AwayFromZero); // 3.15
With the other...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...环境配置
1、安装一下过程中所依赖的一些rpm包
yum install -y tcl-devel libart_lgpl-devel libtool-ltdl-devel
2、关闭sendmail，并取消其开机启动
service sendmail stop
chkconfig sendmail off
3、配置编译环境，安装开发包组
yum groupinstall -y "Develop...
How do you make a deep copy of an object?
...factory method that in turn deep copies the child object. Immutables (e.g. Strings) do not need to be copied. As an aside, you should favor immutability for this reason.
share
|
improve this answer
...
PHP 5.4 Call-time pass-by-reference - Easy fix available?
Is there any way to easily fix this issue or do I really need to rewrite all the legacy code?
3 Answers
...
Double decimal formatting in Java
...
Use String.format:
String.format("%.2f", 4.52135);
As per docs:
The locale always used is the one returned by Locale.getDefault().
share
...