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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
I have read the documentation on this and I think I understand. An AutoResetEvent resets when the code passes through event.WaitOne() , but a ManualResetEvent does not.
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Is it safe to remove selected keys from map within a range loop?
How can one remove selected keys from a map?
Is it safe to combine delete() with range, as in the code below?
4 Answers
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How to change default timezone for Active Record in Rails?
...g.active_record.default_timezone = :local
Warning: you really should think twice, even thrice, before saving times in the database in a non-UTC format.
Note
Do not forget to restart your Rails server after modifying application.rb.
Remember that config.active_record.default_timezone can ...
How to set the style -webkit-transform dynamically using JavaScript?
I want to change the -webkit-transform: rotate() property using JavaScript dynamically, but the commonly used setAttribute is not working:
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Func delegate with no return type
...rn something; all the Action delegates return void.
Func<TResult> takes no arguments and returns TResult:
public delegate TResult Func<TResult>()
Action<T> takes one argument and does not return a value:
public delegate void Action<T>(T obj)
Action is the simplest, 'ba...
Converting List to List
I have a list of integers, List<Integer> and I'd like to convert all the integer objects into Strings, thus finishing up with a new List<String> .
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Draw Circle using css alone [duplicate]
Is it possible to draw circle using css only which can work on most of the browsers (IE,Mozilla,Safari) ?
7 Answers
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Git - Ignore files during merge
I have a repo called myrepo on the remote beanstalk server.
7 Answers
7
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How many database indexes is too many?
I'm working on a project with a rather large Oracle database (although my question applies equally well to other databases). We have a web interface which allows users to search on almost any possible combination of fields.
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MySQL - Rows to Columns
...g to add a somewhat longer and more detailed explanation of the steps to take to solve this problem. I apologize if it's too long.
I'll start out with the base you've given and use it to define a couple of terms that I'll use for the rest of this post. This will be the base table:
select * fro...