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what is the difference between a portlet and a servlet?
...ontainers (and servlets). Though there are definitely strong parallels between these two standards they differ in containers, APIs, life cycle, configuration, deployment, etc.
The main difference between portlet vs. servlet could be that while servlet always responds to single type of action - req...
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...ost 下载可以到官方网站下载：
http://www.boost.org/
（2）安装VS2008 IDE
【Setp2 编译Boost】
1.打开Visual Studio 2008 命令提示窗口
2.进入D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\boost_1_44_0\tools\jam\src
3.执行 build.bat 会在D:\05_Computer\04_3rdPa...
Create the perfect JPA entity [closed]
I've been working with JPA (implementation Hibernate) for some time now and each time I need to create entities I find myself struggling with issues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this ...
Entity Framework and Connection Pooling
...ttached entity you want to save.
Combine these two patterns and you will see some interesting effects. You have only one instance of entity for the whole application. Any changes to the entity affect the whole application even if changes are not yet persisted (commited). In the most times this is n...
Can I use view pager with views (not with fragments)
I am using ViewPager for swiping between Fragments , but can I use ViewPager to swipe between Views simple XML layout?
...
Making 'git log' ignore changes for certain paths
...vent not found errors
Note: Git 2.13 (Q2 2017) will add a synonym ^to !
See commit 859b7f1, commit 42ebeb9 (08 Feb 2017) by Linus Torvalds (torvalds).
(Merged by Junio C Hamano -- gitster -- in commit 015fba3, 27 Feb 2017)
pathspec magic: add '^' as alias for '!'
The choice of '!' for a negativ...
When to use , tag files, composite components and/or custom components?
...
What is the difference between those approaches?
Facelet templates
Use Facelet templates (as in <ui:composition>, <ui:include> and <ui:decorate>) if you want to split main page layout fragments into reuseable templates. E.g. header, ...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...Writer() . Should one call .close() on this OutputStream after it has been written to?
5 Answers
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...个工具，一个是gcc，一个是gdb
我是在ubuntu下做的实验，安装这两个东西是比较简单的
sudo apt-get install gcc-4.0 libc6-dev
sudo apt-get install gdb
好了，开始进入我们的实验，我们粗略的分一下类
1）往受到系统保护...
How can I make setuptools install a package that's not on PyPI?
...her, easy_install will try to check out or download the release.)
You'll need to specify --process-dependency-links when using pip. Note that dependency links processing has been deprecated and will be removed in a future release.
...