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“Items collection must be empty before using ItemsSource.”
...wise you can spend a lot of time looking at ItemSource's etc only to eventually find that its caused by a small typo.
– pjm
Nov 21 '16 at 12:31
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How to access the first property of a Javascript object?
...ject.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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How to run JUnit tests with Gradle?
... when i do gradle test, it doesn't do anything. It doesn't run my tests at all. Any idea?
– Gaurav
Nov 11 '16 at 5:35
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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User.select(:first,:email).group(:first,:email).having("count(*) > 1").all
(note: not tested, you may need to tweak it)
EDITED to remove id column
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Why does Math.floor return a double?
...he value with its fractional part truncated. It may well be quite a bit smaller than that.
– Jim Garrison
Sep 5 '16 at 20:10
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What's the status of multicore programming in Haskell?
...012 period, the following things have happened:
2012:
From 2012, the parallel Haskell status updates began appearing in the Parallel Haskell Digest.
2011:
Parallel and Concurrent Programming in Haskell, a tutorial. version 1.1 released by Simon Marlow
Haskell and parallelism, mentioned in an ...
What is javax.inject.Named annotation supposed to be used for?
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So @Named really is @Qualifier, so why is @Qualifier required to be so generic, is the idea to allow someone using javax.inject to define stereotypes like @Repository,@Service,@Controller that are marked up as @Qualifier?
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Remove element by id
...].map(n => n && n.remove());
These functions are available in all modern browsers (not IE). Read more on MDN.
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How can I change the table names when using ASP.NET Identity?
... p.Id).HasColumnName("User_Id");
or simply the below if you want to keep all the standard column names:
modelBuilder.Entity<IdentityUser>()
.ToTable("Users", "dbo")
Full example below (this should be in your IdentityModel.cs file) i changed my ApplicationUser class...
What is the difference between include and require in Ruby?
...unctionality, you can use
the load method.
The include method takes all the
methods from another module and
includes them into the current module.
This is a language-level thing as
opposed to a file-level thing as with
require. The include method is the
primary way to "extend" cla...