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What does |= (ior) do in Python?
...ides of the assignment, then stores the result in the left-hand variable.
http://docs.python.org/reference/expressions.html#binary-bitwise-operations
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Store query result in a variable using in PL/pgSQL
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How to print last two columns using awk
...n the $NF-1 vs. $(NF-1) issue. Next question what does POSIX say?
per:
http://www.opengroup.org/onlinepubs/009695399/utilities/awk.html
There is no direction one way or the other. Not good. gawk implies subtraction, other awks imply field number or subtraction. hmm.
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Unique Key constraints for multiple columns in Entity Framework
...ome time to do it. I will just show you the idea behind it:
In this link http://code.msdn.microsoft.com/CSASPNETUniqueConstraintInE-d357224a
you can find the code for unique key data annotation:
[UniqueKey] // Unique Key
public int FirstColumn { get; set;}
[UniqueKey] // Unique Key
public i...
Count the number of occurrences of a string in a VARCHAR field?
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Is returning by rvalue reference more efficient?
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How to access property of anonymous type in C#?
...Checked" property and if there is then get its value.
See this blog post:
http://blogs.msdn.com/wriju/archive/2007/10/26/c-3-0-anonymous-type-and-net-reflection-hand-in-hand.aspx
So something like:
foreach(object o in nodes)
{
Type t = o.GetType();
PropertyInfo[] pi = t.GetProperties(); ...
Get class list for element with jQuery
... each class
}
);
Here is a jsFiddle I set up to demonstrate and test http://jsfiddle.net/GD8Qn/8/
Minified Javascript
;!function(e){e.fn.classes=function(t){var n=[];e.each(this,function(e,t){var r=t.className.split(/\s+/);for(var i in r){var s=r[i];if(-1===n.indexOf(s)){n.push(s)}}});if("fu...
Why does !{}[true] evaluate to true in JavaScript?
...does not return true, but undefined, and undefined is evaluated as false:
http://jsfiddle.net/67GEu/
'use strict';
var b = {}[true];
alert(b); // undefined
b = !{}[true];
alert(b); // true
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Fastest way to serialize and deserialize .NET objects
...omprehansive comparison between diffreent formats made by me in this post-
https://maxondev.com/serialization-performance-comparison-c-net-formats-frameworks-xmldatacontractserializer-xmlserializer-binaryformatter-json-newtonsoft-servicestack-text/
Just one sample from the post-
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