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How to empty/destroy a session in rails?
...er.
reset_session
Here's the documentation on this method: http://api.rubyonrails.org/classes/ActionController/Base.html#M000668
Resets the session by clearing out all
the objects stored within and
initializing a new session object.
Good luck!
...
Make Visual Studio understand CamelCase when hitting Ctrl and cursor keys
..., the following free Extension adds this functionality: Subword Navigation by Olle Westman
(Alternatively, the VSTricks extension includes Sub-word Navigation in its list of nifty features. There is also a different Subword navigation extension created by Lauri Vasama not to be confused with Olle W...
How can I change the color of pagination dots of UIPageControl?
...or UIPageControl because that one only supports white dots.
//
// Created by Morten Heiberg <morten@heiberg.net> on November 1, 2010.
//
#import <UIKit/UIKit.h>
@protocol PageControlDelegate;
@interface PageControl : UIView
{
@private
NSInteger _currentPage;
NSInteger _numbe...
Why not infer template parameter from constructor?
...
@KyleStrand Yes, by saying 'class template arguments cannot be deduced from their constructors because [example that does not use any constructor]', this answer is completely irrelevant. I genuinely can't believe it was accepted, reached +29,...
How to create a generic array in Java?
...t the array and the values in the array are of the correct type.
It works by using class literals as runtime type tokens, as discussed in the Java Tutorials. Class literals are treated by the compiler as instances of java.lang.Class. To use one, simply follow the name of a class with .class. So, St...
“X does not name a type” error in C++
...sure MyMessageBox is defined before you use it as a member. This is solved by reversing the definition order. However, you have a cyclic dependency: if you move MyMessageBox above User, then in the definition of MyMessageBox the name User won't be defined!
What you can do is forward declare User; t...
Pros and cons of using sbt vs maven in Scala project [closed]
...cross Scala open source projects. You can easily learn about configuration by peeking into other people's projects. Plus many projects assume you use sbt and provide you with ready-made copy+paste instruction for adding them as a dependency to your project.
if you use IntelliJ IDEA, it can be totall...
Entity Framework code first unique column
... an index.
The reason is because of this:
SQL Server retains the 900-byte limit for the maximum total size of all index key columns."
(from: http://msdn.microsoft.com/en-us/library/ms191241.aspx )
You can solve this by setting a maximum string length on your model:
[StringLength(450)]
Yo...
Escape single quote character for use in an SQLite query
...;
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two single quotes in a row - as in Pascal. C-style escapes using the backslash character are not supported because they ...
Should I Dispose() DataSet and DataTable?
DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods.
...