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EF LINQ include multiple and nested entities
...t it to include data from other tables.
The Include syntax can also be in string. Like this:
db.Courses
.Include("Module.Chapter")
.Include("Lab")
.Single(x => x.Id == id);
But the samples in LinqPad explains this better.
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Using LIMIT within GROUP BY to get N results per group?
... on the rate column instead of the year column.
The maximum length of the string returned by GROUP_CONCAT is limited, so this works well if you need to select a few records for every group.
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How to spread django unit tests over multiple files?
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The 'bit extra' I'm looking for, over rtfm, is the django settings environment, database, and fixtures for the tests.
– John Mee
Jun 8 '11 at 1:25
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Stopping scripters from slamming your website
... I don't quite understand the "spinner" concept. Is this just an extra piece of data that is placed inside an html <form> and sent upon submission? Because a bot can easily scrape that as well.
– Ponkadoodle
Sep 6 '13 at 19:22
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Why is the shovel operator (
... += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is ...
Responding with a JSON object in Node.js (converting object/array to JSON string)
...nd code and I'm trying to create a function that will respond to me a JSON string. I currently have this from an example
6 ...
Count the number of commits on a Git branch
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@wilmoore You mean that you get an extra count after you merge a branch? This is technically a commit, and so it's counted. but if you don't want to count these commits add --no-merges. I'll update the answer.
– Peter van der Does
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.Contains() on a list of custom class objects
...tProduct : IEquatable<CartProduct>
{
public Int32 ID;
public String Name;
public Int32 Number;
public Decimal CurrentPrice;
public CartProduct(Int32 ID, String Name, Int32 Number, Decimal CurrentPrice)
{
this.ID = ID;
this.Name = Name;
this.Numb...
Limit a stream by a predicate
...suming the predicate doesn't throw or have a side-effect if executed a few extra times). The problem is doing it in the context of recursive decomposition (fork/join framework) that Streams use. Really, it's Streams that are horribly inefficient.
– Aleksandr Dubinsky
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Refresh image with a new one at the same url
...to forceImgReload() along with (or instead of) a src argument: just add an extra or replacement parameter for this information to
// this function, to imgReloadRestore(), to forceImgReload(), and to the anonymous function returned by forceImgReload() (and make it overwrite the earlier parameter vari...