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MFC子窗口和父窗口（SetParent,SetOwner） - C/C++ - 清泛网 - 专注C/C++及内核技术
.../被拥有关系，后者称之为父/子关系。在这篇文字中，我把owner窗口称之所有者窗口。换句话说，一个窗口在有一个父窗口（parent)的同时，还可能被不同的窗口拥有（owner)，也可以有自己的子窗口(child)。在MFC 的CWnd类中，所有者...
Why can't Python find shared objects that are in directories in sys.path?
... available on HP-UX but as the
environment variable SHLIB_PATH, and
on AIX this functionality is through
the variable LIBPATH (with the same
syntax, a colon-separated list).
Update: to set LD_LIBRARY_PATH, use one of the following, ideally in your ~/.bashrc
or equivalent file:
export LD_...
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
...得一个一个的找。大数据可以解决这个难题。
我们可以把山林用数据可视化表现出来，然后让采野蘑菇的人根据自己的实战经验标出蘑菇分布的地点，并且把这些地点数据常年积累起来。然后结合野蘑菇的习性，收集每片山林...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...易方法属于科学型的投资交易方法。
大部分投资人往往把决策的重点放在对市场的分析和判断上，其实这是非常偏颇的。成功的投资不但需要正确的市场分析，而且需要正确的风险管理和正确的心理控制。三者之间心理控制是...
What is a stream?
...o other streams and then the box performs some transformation on the data (zipping it, or changing UNIX linefeeds to DOS ones, or whatever). Pipes are another thorough test of the metaphor: that's where you create a pair of streams such that anything you write into one can be read out of the other. ...
How to decompile a whole Jar file? [closed]
...hat all Java archive files (.jar/.war/etc...) are all basically just fancy.zip files, with a few added manifests and metadata.
Second, to tackle this problem I personally use several tools which handle this problem on all levels:
Jad + Jadclipse while working in IDE for decompiling .class files
W...
How can I create an executable JAR with dependencies using Maven?
...;property name="tar.destfile" value="${final.name}.tar"/>
<zip basedir="${project.build.directory}" destfile="${final.name}.zip" includes="${archive.includes}" />
<tar basedir="${project.build.directory}" destfile="${tar.destfile}" includes="${archive.includes}" />...
Where is Python's sys.path initialized from?
...h, unless you're
on Windows and applocal is set to true in pyvenv.cfg.
The zip file path, which is <prefix>/lib/python35.zip on Linux/Mac and
os.path.join(os.dirname(sys.executable), "python.zip") on Windows, is added to sys.path.
If on Windows and no applocal = true was set in pyvenv.cfg, the...
Unix shell script to truncate a large file
...
trunc filename
works on AIX flavor of UNIX
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What are the main performance differences between varchar and nvarchar SQL Server data types?
...y Collation such as Latin1_General_100_BIN2.
If storing postal codes (i.e. zip codes), use VARCHAR since it is an international standard to never use any letter outside of A-Z. And yes, still use VARCHAR even if only storing US zip codes and not INT since zip codes are not numbers, they are strings,...