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PHP 5.4 Call-time pass-by-reference - Easy fix available?
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warning C4996 - C/C++ - 清泛网 - 专注C/C++及内核技术
...可能会产生诸如内存泄露、缓冲区溢出、非法访问等安全问题。这些函数如:strcpy、strcat等。
对于这些问题,VC2005建议使用这些函数的更高级的安全版本,即在这些函数名后面加了一个_s的函数。这些安全版本函数使用起来更...
领域驱动设计系列(五):事件驱动之异步事件 - 更多技术 - 清泛网 - 专注C/...
...可以看到,现在并行处理可以大大加快速度,但是有两个问题,第一个问题就是没有处理异常,所以让我们加上异常。
public void Publish<T>(T @event) where T : Event
{
var handlers = _eventHandlerFactory.GetHandlers<T>();
handlers....
How to prevent robots from automatically filling up a form?
...n old solution for webmasters including tons of non pertinent key words in order to boost their webranking. I think search crawler bots such google ones can figure it's display:none. Why would other bots not able to do that ?
– snowflake
Mar 8 '10 at 10:34
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Are PDO prepared statements sufficient to prevent SQL injection?
...statements / parameterized queries are generally sufficient to prevent 1st order injection on that statement*. If you use un-checked dynamic sql anywhere else in your application you are still vulnerable to 2nd order injection.
2nd order injection means data has been cycled through the database on...
Traits vs. interfaces
...a base class is overridden by a member inserted by a Trait. The precedence order is that members from the current class override Trait methods, which in return override inherited methods.
So - consider the following scenario:
class BaseClass {
function SomeMethod() { /* Do stuff here */ }
}
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How to round up a number to nearest 10?
...d up, it rounds to the nearest 10. To solve this, add +5 to your number in order to round up. If you want to round down, do -5.
So in code:
round($num + 5, -1);
You can't use the round mode for rounding up, because that only rounds up fractions and not whole numbers.
If you want to round up to ...
Mapping over values in a python dictionary
... and remind myself that yes, keys and values are iterated over in the same order if the dict doesn't change. I don't have to think at all about what the dictcomp is doing, and so it's the right answer.
– DSM
Sep 1 '12 at 15:39
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Can someone explain how to implement the jQuery File Upload plugin?
...this gem. The source is here --> jQueryFileUpload Rails.
Update:
In order to satisfy the commenter I've updated my answer. Essentially "use this gem, here is the source code" If it disappears then do it the long way.
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C# 能否获取一个对象所占内存的大小? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...所占内存的大小?今日,在项目重构的时候忽然想到一个问题,一个类哪些成员的增加,会影响一个类所占内存的大小?C#有没有办法知道一个对象占多少内存呢? ...今日,在项目重构的时候忽然想到一个问题,一个类哪些成员...