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What does CultureInfo.InvariantCulture mean?
...ce of software.
Rarely use a specific national culture because the user is unable to control how formatting and parsing is done.
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
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spl_autoload_register() default implementation is unable to find inherited classes. So using defaults, lowercase files and directories reflecting namespace path, everything works fine unless I have a class which extends another class (parent). PHP then throws error that it c...
Change column type from string to float in Pandas
...gt;> pd.to_numeric(s) # or pd.to_numeric(s, errors='raise')
ValueError: Unable to parse string
Rather than fail, we might want 'pandas' to be considered a missing/bad numeric value. We can coerce invalid values to NaN as follows using the errors keyword argument:
>>> pd.to_numeric(s, er...
Same-named attributes in attrs.xml for custom view
...s answer I get ERROR: In <declare-styleable> com_app_view_widget, unable to find attribute customAttr For all the view I try to declare for. Any ideas?
– Dapp
Jun 9 '14 at 14:54
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Why am I getting a “401 Unauthorized” error in Maven?
... is normally associated to user/pass problems--it's no surprise that I was unable to figure this out on my own.
Changing the version to 0.1.3 brings me back to my original error:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4:install (default-install) on project x...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...不同的salve节点上面，系统终于又恢复了正常，开始正常运行了。但是好景还是不长，有一天我们发现master这哥们撑不住了，它负载老高了，汗 流浃背，随时都有翘掉的风险，这个时候就需要咱们垂直分区啦(也就是所谓的分库)...
Please explain some of Paul Graham's points on Lisp
...rst class support for - if you make a simple syntax error, the compiler is unable to give you a clear error message.
Well, with Lisp, you have all this in one single language. You use the same stuff to generate code at run time as you learn in your first day. This isn't to suggest metaprogramming i...
Private vs Protected - Visibility Good-Practice Concern [closed]
...or a slightly different use case than was imagined by the authors but were unable to do so because of private / final methods and classes? I have.
Been disappointed, surprised or hurt by a library etc. that was overly permissive in it's extensibility? I have not.
These are the three biggest rationa...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...我们可以提前做好预热。
系统隔离。系统隔离更多是运行时的隔离，可以通过分组部署的方式和另外99%分开。秒杀还申请了单独的域名，目的也是让请求落到不同的集群中。
数据隔离。秒杀所调用的数据大部分都是热数...
Django: “projects” vs “apps”
...and an app within it also causes problems with manage.py, causing it to be unable to import your project settings correctly. This happened to me, and I solved it by refactoring the app to the effect of myproduct_app.
– BHSPitMonkey
Apr 4 '13 at 17:35
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