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What is a stream?
...
if you need to get to work you would start driving from your home to the office using the freeway.
the freeway is the stream
if you want to have a conversation with someone you would use your ears to hear and your mouth to speak.
your ears and eyes are streams
Hopefully you notice in these ...
Why is lock(this) {…} bad?
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Imagine that you have a skilled secretary at your office that's a shared resource in the department. Once in a while, you rush towards them because you have a task, only to hope that another one of your co-workers has not already claimed them. Usually you only have to wait f...
How can I extract embedded fonts from a PDF as valid font files?
... the sub-commands info, clean, extract, poster and show. Unfortunatey, the official documentation for these tools isn't up to date (yet). If you're on a Mac using 'MacPorts': then the utility was renamed in order to avoid name clashes with other utilities using identical names, and you may need to u...
Error in finding last used cell in Excel with VBA
..."... in use, meaning the section that contains data or formatting."
As per official documentation, this is the criterion used by Excel at the time of saving. See also this official documentation.
If one is not aware of this, the criterion may produce unexpected results, but it may also be intentiona...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...ze your original program.
Were you to bring this to a code review in my office, the first question I would ask is "is it really correct to lock the frobble if an exception is thrown?" It is blatantly obvious from your program that this thing aggressively re-locks the frobble no matter what happe...
What is the behavior difference between return-path, reply-to and from?
... inside of the envelope, but to deliver it you have to take it to the post office and show them your drivers license (or other ID) and they put that address on the envelope before sending it. In other words, the Return-Path header is as trustworthy as the checks performed by the receiving SMTP serv...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...gister(action1)是做什么的呢？这是为了把我们的Action的实例注册到工作台中，这样当我们的工作台销毁的时候，我们的Action也可以被销毁。
下面请看Action1类的源代码：
1 package cn.blogjava.youxia.actions;
2
3 import org.eclipse.jface.a...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...里面有功能按钮，而不是一堆代码，最起码应该满足目前Office工作人员使用。上手门槛较高意味着很大一部分用户被你挡在了门外。将大数据处理工具产品化势在必行。
大数据行业创业的风险预警
一、大数据的创业门槛
1、...
Is XSLT worth it? [closed]
...y but it required a module of a few class files and that the server had MS Office installed! Turns out Excel has an XSD: new functionality with minimum basecode impact in 3 hours.
Personally I think it's one of the cleanest things I've encountered in my career, and I believe all of it's apparent is...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，但这也还不能杜绝黄牛排队或是号贩子。因为他们可以注册N个帐号来排队，但就是不买。黄牛这些人这个时候只需要干一个事，把网站搞得正常人不能访问，让用户只能通过他们来买。
2）对列的一致性？对这个队列的操作...