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SQL - many-to-many table primary key
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With a simple two-column many-to-many mapping, I see no real advantage to having a surrogate key. Having a primary key on (col1,col2) is guaranteed unique (assuming your col1 and col2 values in the referenced tables are unique...
Allowed characters in Linux environment variable names
...h of man pages and the web did only produce information about how to work with variables, but not which names are allowed.
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Rails Observer Alternatives for 4.0
With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...
Modifying a query string without reloading the page
...a photo gallery, and would like to be able to change the query string and title when the photos are browsed.
5 Answers
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ASP.NET MVC framework 4.5 CSS bundle does not work on the hosting
I am runing an App on app harbor written in MVC4.
11 Answers
11
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How do I detect “shift+enter” and generate a new line in Textarea?
...tly, if the person presses enter inside the text area, the form will submit.
Good, I want that.
13 Answers
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How do I programmatically shut down an instance of ExpressJS for testing?
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Things have changed because the express server no longer inherits from the node http server. Fortunately, app.listen returns the server instance.
var server = app.listen(3000);
// listen for an event
var handler = function() {
server.close();
};
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Making iTerm to translate 'meta-key' in the same way as in other OSes
In bash shell with emacs key-binding, you can use key combination like M-f, M-b to move one word forward or backward on the shell prompt respectively. Usually, the meta key is mapped to Alt key on Windows and Linux. However, in iTerm, I could not find a way to map this meta key to either Option or C...
Is there a string math evaluator in .NET?
If I have a string with a valid math expression such as:
16 Answers
16
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ASP.NET MVC 5 - Identity. How to get current ApplicationUser
I have an Article entity in my project which has the ApplicationUser property named Author . How can I get the full object of currently logged ApplicationUser ? While creating a new article, I have to set the Author property in Article to the current ApplicationUser .
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