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Best way to select random rows PostgreSQL
... slow
And a linked article of depez outlining several more approaches:
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
1 "large" as in "the complete table will not fit into the memory".
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Obtaining a powerset of a set in Java
The powerset of {1, 2, 3} is:
26 Answers
26
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What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
Let's make a list of answers where you post your excellent and favorite extension methods .
150 Answers
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Differences between MySQL and SQL Server [closed]
... happy to hear that this has been fixed or we were doing something wrong.
http://dev.mysql.com/doc/refman/6.0/en/corrupted-myisam-tables.html
http://www.google.com/search?q=site%3Abugs.mysql.com+index+corruption
share
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Firefox Add-on RESTclient - How to input POST parameters?
...a wireshark record to show: POST /restService/usersPost/test?param1=hallo HTTP/1.1 Host: xxx.xxx.xxx.xxx:9090 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: null Accept-Encod...
Scala: Abstract types vs generics
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What is the reason behind cbegin/cend?
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From http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1674.pdf:
so that a programmer can directly obtain a const_iterator from even a
non-const container
They gave this example
vector<MyType> v;
// fill v ....
How to execute XPath one-liners from shell?
... To use namespace add it to -qs like this: '-qs:declare namespace mets="http://www.loc.gov/METS/";/mets:mets/mets:dmdSec'
– igo
Aug 24 '16 at 12:26
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A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro
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MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...lePane m_Panes[5];//一个CDockablePane的数组
2. CFrameWndEx:: OnCreate() 在Create函数中自动生成了以下代码，对MFC比较熟悉的这里就不讲了：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(NULL, uiFirstUserToolBarId, uiLastUserToolBarId);
EnablePaneMenu(T...