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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?
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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
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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
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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...
File Upload ASP.NET MVC 3.0
...).
@Arthur's method works pretty good, but doesn't copy perfectly so MS Office documents may fail to open after retrieving them from the database. MemoryStream.GetBuffer() can return extra empty bytes at the end of the byte[], but you can fix that by using MemoryStream.ToArray() instead. Howeve...
Pandoc markdown page break
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We published an updated, more featureful version. It's available from the official pandoc lua-filters repository.
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How to write LDAP query to test if user is member of a group?
...ou're wondering if they're a member of. To see if jdoe is a member of the office group then your query will look something like this:
ldapsearch -x -D "ldap_user" -w "user_passwd" -b "cn=jdoe,dc=example,dc=local" -h ldap_host '(memberof=cn=officegroup,dc=example,dc=local)'
If you want to see ALL...