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Get value of dynamically chosen class constant in PHP
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$id = constant("ThingIDs::$thing");
http://php.net/manual/en/function.constant.php
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Shell script to send email [duplicate]
...oo@bar.com"
SUBJECT="test é"
MSG="BODY éé"
FILES="fic1.pdf fic2.pdf"
# http://fr.wikipedia.org/wiki/Multipurpose_Internet_Mail_Extensions
SUB_CHARSET=$(echo ${SUBJECT} | file -bi - | cut -d"=" -f2)
SUB_B64=$(echo ${SUBJECT} | uuencode --base64 - | tail -n+2 | head -n+1)
NB_FILES=$(echo ${FILES}...
@ variables in Ruby on Rails
...and is available to all methods within the class.
You can read more here:
http://strugglingwithruby.blogspot.dk/2010/03/variables.html
In Ruby on Rails - declaring your variables in your controller as instance variables (@title) makes them available to your view.
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Do fragments really need an empty constructor?
...ng
I thought I would explain why for people wondering why.
If you check: https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/app/Fragment.java
You will see the instantiate(..) method in the Fragment class calls the newInstance method:
public static Fragment insta...
nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
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An update to the state of Rhino vs NServicebus:
http://www.infoq.com/news/2012/04/nservicebus3-0
InfoQ to Ayende: You have previously written a service bus for .NET
yourself, namely the Rhino Service Bus. Should users of Rhino Service
Bus now reconsider and move to...
How can I get sin, cos, and tan to use degrees instead of radians?
...onversion function that applies the needed math, and invoke those instead. http://en.wikipedia.org/wiki/Radian#Conversion_between_radians_and_degrees
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Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view
...pCode { get; set; }
public string Country { get; set; }
}
Action:
[HttpPost]
public ActionResult Check(AddressInfo addressInfo)
{
return Json(new { success = true });
}
JavaScript you can do it three ways:
1) Query String:
$.ajax({
url: '/en/Home/Check',
data: $('#for...
What is the difference between call and apply?
...is slightly faster than .apply. I can't tell you exactly why.
See jsPerf, http://jsperf.com/test-call-vs-apply/3
[UPDATE!]
Douglas Crockford mentions briefly the difference between the two, which may help explain the performance difference... http://youtu.be/ya4UHuXNygM?t=15m52s
Apply takes an...
jQuery if checkbox is checked
...patible way to determine if a checkbox is checked
is to use the property https://api.jquery.com/prop/
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What exactly are DLL files, and how do they work?
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http://support.microsoft.com/kb/815065
A DLL is a library that contains code
and data that can be used by more than
one program at the same time. For
example, in Windows operating systems,
the Comdlg32 DLL perform...