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Using Server.MapPath in external C# Classes in ASP.NET
I'm trying to get the absolute path of certain files in a C# class. Server.MapPath works great of course for ASPX and their code-behind pages, but that doesn't exist in another class file. I tried HostingEnvironment.MapPath() , but that complains that the relative virtual path isn't allowed. A...
How to reference constants in EL?
...Java EE 7 / EL 3.0, then the @page import will also import class constants in EL scope.
<%@ page import="com.example.YourConstants" %>
This will under the covers be imported via ImportHandler#importClass() and be available as ${YourConstants.FOO}.
Note that all java.lang.* classes are alre...
Make browser window blink in task Bar
How do I make a user's browser blink/flash/highlight in the task bar using JavaScript? For example, if I make an AJAX request every 10 seconds to see if the user has any new messages on the server, I want the user to know it right away, even if he is using another application at the time.
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Why is there no String.Empty in Java?
I understand that every time I type the string literal "" , the same String object is referenced in the string pool.
11 An...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
I have an SQL query to create the database in SQLServer as given below:
5 Answers
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Razor View throwing “The name 'model' does not exist in the current context”
After significant refactoring in my MVC 4 application, and Razor shows this error while debugging Views:
22 Answers
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Rails extending ActiveRecord::Base
I've done some reading about how to extend ActiveRecord:Base class so my models would have some special methods. What is the easy way to extend it (step by step tutorial)?
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What's the easiest way to escape HTML in Python?
...escape seems like one possible choice. Does it work well? Is there something that is considered better?
9 Answers
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Fast permutation -> number -> permutation mapping algorithms
...d n-1. For the position that the next element ends up at, you have n-1 remaining possibilities, so you can describe this with a number between 0 and n-2.
Et cetera until you have n numbers.
As an example for n = 5, consider the permutation that brings abcde to caebd.
a, the first element, ends u...
Show just the current branch in Git
I tried looking for a special Git command for this, but I couldn't find one. Is there anything shorter or faster than the following?
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