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Change the name of the :id parameter in Routing resources for Rails
...is winds up breaking the url helpers. They wind up generating a normal id based route if I pass an object in or complaining about a missing [:slug] key if I pass the slug in. Any ideas how to fix?
– RonLugge
Nov 30 '14 at 4:46
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How to add folder to assembly search path at runtime in .NET?
...ill only work if the probing path is a contained within your application's base directory.
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How do I test which class an object is in Objective-C?
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This may or may not work based on whether the programmer has overridden the description method. Using [object class] or NSStringFromClass always returns the class name, though.
– futureelite7
Jan 8 '13 at 1:01
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Which is more efficient, a for-each loop, or an iterator?
...the RandomAccess interface. The "C-style" loop is faster than the Iterator-based one. docs.oracle.com/javase/7/docs/api/java/util/RandomAccess.html
– andresp
Nov 20 '13 at 1:00
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How to get the caret column (not pixels) position in a textarea, in characters, from the start?
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With Firefox, Safari (and other Gecko based browsers) you can easily use textarea.selectionStart, but for IE that doesn't work, so you will have to do something like this:
function getCaret(node) {
if (node.selectionStart) {
return node.selectionStart;
}...
How do you validate a URL with a regular expression in Python?
...{2}))+)(?:,(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-f
A-F\d]{2}))+))*)?)(?:\?(?:base|one|sub)(?:\?(?:((?:[a-zA-Z\d$\-_.+!*'(
),;/?:@&=]|(?:%[a-fA-F\d]{2}))+)))?)?)?)|(?:(?:z39\.50[rs])://(?:(?:(?
:(?:(?:[a-zA-Z\d](?:(?:[a-zA-Z\d]|-)*[a-zA-Z\d])?)\.)*(?:[a-zA-Z](?:(?
:[a-zA-Z\d]|-)*[a-zA-Z\d])?))|(?:(...
Should you declare methods using overloads or optional parameters in C# 4.0?
...ults will be used.
When a method overload performs a function differently based on its parameters then overloading will continue to be used.
I used optional back in my VB6 days and have since missed it, it will reduce a lot of XML comment duplication in C#.
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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If you had a table that already had a existing constraints based on lets say: name and lastname and you wanted to add one more unique constraint, you had to drop the entire constrain by:
ALTER TABLE your_table DROP CONSTRAINT constraint_name;
Make sure tha the new constraint you w...
Non-alphanumeric list order from os.listdir()
...can use the builtin sorted function to sort the strings however you want. Based on what you describe,
sorted(os.listdir(whatever_directory))
Alternatively, you can use the .sort method of a list:
lst = os.listdir(whatever_directory)
lst.sort()
I think should do the trick.
Note that the orde...
'\r': command not found - .bashrc / .bash_profile [duplicate]
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@naxa - Newlines were probably chosen based on the OS: Cygwin = Windows
– jahroy
Jun 20 '13 at 2:16
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