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Difference between attr_accessor and attr_accessible
...ine that the order might also have a discount code, say :price_off. If you don't tag :price_off as attr_accessible you stop malicious code from being able to do like so:
Order.new({ :type => 'Corn', :quantity => 6, :price_off => 30 })
Even if your form doesn't have a field for :price_off...
How to fix committing to the wrong Git branch?
I just made a perfectly good commit to the wrong branch.
How do I undo the last commit in my master branch and then take those same changes and get them into my upgrade branch?
...
How do I get a file extension in PHP?
...ges always think theirs is better because they have a built-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can g...
Use “ENTER” key on softkeyboard instead of clicking button
...
You do it by setting a OnKeyListener on your EditText.
Here is a sample from my own code. I have an EditText named addCourseText, which will call the function addCourseFromTextBox when either the enter key or the d-pad is clicke...
The entity cannot be constructed in a LINQ to Entities query
...
I don't understand why I should not be able to do this... This would be very usefull...
– Jonx
Jul 22 '11 at 0:10
...
How to prevent buttons from submitting forms
... page, with Firefox the remove button submits the form, but the add button does not.
17 Answers
...
How do you follow an HTTP Redirect in Node.js?
...o store every single URL the request goes through. Couldn't find it in the docs.
– Ignas
Jun 26 '13 at 13:49
13
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What is a pre-revprop-change hook in SVN, and how do I create it?
...y. Besides having a scary name, what is a pre-revprop-change hook, and how do I create it?
8 Answers
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How do I initialize the base (super) class?
...h super(), e.g.
class X(object):
def __init__(self, x):
pass
def doit(self, bar):
pass
class Y(X):
def __init__(self):
super(Y, self).__init__(123)
def doit(self, foo):
return super(Y, self).doit(foo)
Because python knows about old- and new-style classes, there are diff...
What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
...tegerVariableName == 9 ||
reallyLongIntegerVariableName == 11)
{
// do something....
}
and
if(reallyLongStringVariableName == "string1" ||
reallyLongStringVariableName == "string2" ||
reallyLongStringVariableName == "string3")
{
// do something....
}
and
if(reallyLongMethodPar...