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Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是worker MPM，依此类推）。再查看缺省生成的httpd.conf配置文件，里面包含如下配置段：
<IfModule prefork.c>
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 150
MaxRequestsPerChild 0
</IfModule>
prefork的工作原理是，控制进程在最...
Does MSTest have an equivalent to NUnit's TestCase?
...he DataSource attribute, which will allow you to feed it a database table, csv, xml, etc. I've used it and it works well. I don't know of a way to put the data right above as attributes as in your question, but it's very easy to set up the external data sources and files can be included in the pro...
What is the difference between localStorage, sessionStorage, session and cookies?
...ion server side - most likely using a database, but possibly XML or a text/CSV file.
localStorage, sessionStorage, and cookies are all client storage solutions. Session data is held on the server where it remains under your direct control.
localStorage and sessionStorage
localStorage and sessionS...
How to read a .xlsx file using the pandas Library in iPython?
...
DataFrame's read_excel method is like read_csv method:
dfs = pd.read_excel(xlsx_file, sheetname="sheet1")
Help on function read_excel in module pandas.io.excel:
read_excel(io, sheetname=0, header=0, skiprows=None, skip_footer=0, index_col=None, names=None, parse_c...
C++静态和多态，亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术
...t Base&)拷贝构造创建的一个Base对象，自动向上的强制类型转换使得基类拷贝构造函数可以引用一个子类对象），根据上述第3点，则b.foo()将按对象类型（Base）调用到Base::foo()，不产生多态行为。即，由于按值传递，在此处阻止了...
libxml install error using pip
...hy the downvote? This is the correct answer. It says "Python.h 没有那个文件或目录" Which means "no such file or directory". The python header files are missing. Install them and it will work.
– Lennart Regebro
Mar 3 '11 at 21:59
...
Why are joins bad when considering scalability?
...to store structured data (you could do that with flat file constructs like csv or xml). A few of the options I listed will even let you completely build your join in advance, so the results are already done before you issue the query — just as if you had denormalized the data (admittedly at the co...
Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...
...书很棒，但对应的 Boost 的版本就比较过时了，而且语言转换过程中也有不可避免的信息流失，令人扼腕。这几年，alai 等人自发组织起来，翻译了 Boost 的全部文档和一些相关书籍，而且对版本的跟进也是比较及时的，是不可多...
常用快速产品原型设计工具推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...接的文档并输出成为HTML、PNG、OpenOffice、Word、PDF等格式的文件。
Prototype Composer
Prototype Composer是一款Serena出品的能够让非技术型的用户进行原型设计的免费软件，同时它还包括商业过程、活动、用户界面、需求和数据，不但...
How to decide when to use Node.js?
...ith 80+ upvotes. There's no simple way to read one record at a time from a CSV file. Etc.
I love NodeJS, it is fast and wild and fun, but I am concerned it has little interest in provable-correctness. Let's hope we can eventually merge the best of both worlds. I am eager to see what will replace...