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Entity Framework Code First - two Foreign Keys from same table
...OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Entity<Match>()
.HasRequired(m => m.HomeTeam)
.WithMany(t => t.HomeMatches)
.HasForeignKey(m => m.HomeTeamId)
.WillCascadeOnDelete(fa...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...braries that I am aware of providing lenses.
The notion of a lens is that it provides something isomorphic to
data Lens a b = Lens (a -> b) (b -> a -> a)
providing two functions: a getter, and a setter
get (Lens g _) = g
put (Lens _ s) = s
subject to three laws:
First, that if you ...
Write string to text file and ensure it always overwrites the existing content.
I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception.
...
HTML table with fixed headers?
...table such that the column headers stay fixed on-screen and do not scroll with the table body. Think of the "freeze panes" effect in Microsoft Excel.
...
When to use margin vs padding in CSS [closed]
When writing CSS, is there a particular rule or guideline that should be used in deciding when to use margin and when to use padding ?
...
Dialog to pick image from gallery or from camera
Is there a standard way to call dialog box with choose either to pick an image from the camera or to get from gallery (like in build-in phone book or Skype)?
...
MySQL: Can't create table (errno: 150)
I am trying to import a .sql file and its failing on creating tables.
34 Answers
34
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Looping through localStorage in HTML5 and JavaScript
...as thinking I could just loop through localStorage like a normal object as it has a length. How can I loop through this?
7 ...
How to split a string into an array of characters in Python?
I've tried to look around the web for answers to splitting a string into an array of characters but I can't seem to find a simple method
...
EOFError: end of file reached issue with Net::HTTP
...TP.new(parsed_url.host, parsed_url.port)
http.use_ssl = true
Note the additional http.use_ssl = true.
And the more appropriate code which would handle both http and https will be similar to the following one.
url = URI.parse(domain)
req = Net::HTTP::Post.new(url.request_uri)
req.set_form_data({'...