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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... Python distribution.
The intention is to make all code that goes in the official python distribution consistently formatted (I hope we can agree that this is universally a Good Thing™).
Since the decision between spaces and tabs for an individual programmer is a) really a matter of taste and b...
Developing cross platform mobile application [closed]
...ajor software we use today: Web browsers are cross-platform; Photoshop, MS Office, Dropbox and stuffs are cross platform; just open your Start menu or Finder and list out the platform specific guys -- chances are most turn out to be find small utility-ware. Your argument would be valid if you believ...
When do you use the “this” keyword? [closed]
... It's not going to get you a raise, or allow you to spend less time at the office.
It's really just a style issue. If you like "this", then use it. If you don't, then don't. If you need it to get correct semantics then use it. The truth is, every programmer has his own unique programing style. Tha...
VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...口的对话框或消息框；菜单下拉出来，然后被释放；显示工具提示消息。
在某些情况下，Windows总是一定保存它所覆盖的显示区域，然后恢复它。这些情况是：鼠标光标穿越显示区域；图标拖过显示区域。
有时候应用也需要能...
How do I get logs/details of ansible-playbook module executions?
...
Offical plugins
You can use the output callback plugins. For example, starting in Ansible 2.4, you can use the debug output callback plugin:
# In ansible.cfg:
[defaults]
stdout_callback = debug
(Altervatively, run export ...
Where can I learn how to write C code to speed up slow R functions? [closed]
... @Dirk: thx for the elaboration. It raised the question in our office before, as C is commonly used here instead of C++. When would the use of C over C++ beneficial, or do you simply say "never C, always C++"?
– Joris Meys
Nov 5 '10 at 14:46
...
Difference between attr_accessor and attr_accessible
...tion from "Mass assignment" pirate exploit.
This is explained here on the official Rails doc : Mass Assignment
attr_accessor is a ruby code to (quickly) create setter and getter methods in a Class. That's all.
Now, what is missing as an explanation is that when you create somehow a link between a...
Printing 1 to 1000 without loop or conditionals
...350\n351\n352\n353\n354\n355\n356\n357\n358\n359\n360\n361\n362\n363\n364\n365\n366\n367\n368\n369\n370\n371\n372\n373\n374\n375\n376\n377\n378\n379\n380\n381\n382\n383\n384\n385\n386\n387\n388\n389\n390\n391\n392\n393\n394\n395\n396\n397\n398\n399\n400\n401\n402\n403\n404\n405\n406\n407\n408\n409\n...
Importing CSV with line breaks in Excel 2007
...
Excel (at least in Office 2007 on XP) can behave differently depending on whether a CSV file is imported by opening it from the File->Open menu or by double-clicking on the file in Explorer.
I have a CSV file that is in UTF-8 encoding and c...
MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...复制节点
MongoDB官方没有增量备份方案，只有一个导出的工具mongodump。
他不能像数据库一样，通过binlog或者归档日志将数据推到事故发生的前一刻。
假设每天凌晨2点使用mongodump备份，而下午5点发生事故，数据库损毁，则凌晨...