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What is the difference between Strategy design pattern and State design pattern?
...lgorithms in a
strategy pattern. The callers to the object does not change based on
which strategy is being employed, but regardless of strategy the goal
is the same (sort the collection).
The State pattern is about doing different things based on the
state, while leaving the caller relieved from th...
ASP.NET MVC HandleError
...y default)
[HandleError(ExceptionType = typeof(SqlException), View = "DatabaseError")]
[HandleError(ExceptionType = typeof(NullReferenceException), View = "LameErrorHandling")]
You can also stack up additional attributes with specific information about the type of exception you are looking for. A...
Rebasing and what does one mean by rebasing pushed commits
It is often said that, you should not rebase commits that you have already pushed. What could be meaning of that?
4 Answer...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
... - Topics or exchanges) , in such cases if you want to filter out messages based on topics (which are actually strings) , you definitely do not want create hash table for the million subscriptions with million topics . A better approach is store the topics in trie , so when filtering is done based o...
When should I use double instead of decimal?
... missing one point. The decimal type is only more accurate at representing base 10 numbers (e.g. those used in currency/financial calculations). In general, the double type is going to offer at least as great precision (someone correct me if I'm wrong) and definitely greater speed for arbitrary rea...
How do I create a SHA1 hash in ruby?
...
There's also Digest::SHA1.base64digest 'foo'
– andrewrk
Jan 14 '12 at 1:31
14
...
JUnit: how to avoid “no runnable methods” in test utils classes
...it until after contributing another upvote that i can't remove. Make your base class abstract, then JUnit will ignore it. See @gmoore's answer below.
– Ryan Shillington
Mar 21 '17 at 21:57
...
How to call methods dynamically based on their name? [duplicate]
How can I call a method dynamically when its name is contained in a string variable? For example:
5 Answers
...
How do you version your database schema? [closed]
...
See
Is there a version control system for database structure changes?
How do I version my MS SQL database in SVN?
and Jeff's article
Get Your Database Under Version Control
I feel your pain, and I wish there were a better answer. This might be closer to what you wer...
How to handle dependency injection in a WPF/MVVM application
...gs e)
{
IocKernel.Initialize(new IocConfiguration());
base.OnStartup(e);
}
}
I have used a static IocKernel class to hold the application wide instance of the IoC kernel, so I can easily access it when needed:
public static class IocKernel
{
private static StandardKer...