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What is the “owning side” in an ORM mapping?
What exactly does the owning side mean? What is an explanation with some mapping examples ( one to many, one to one, many to one )?
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Linq code to select one item
...use the extension methods directly like:
var item = Items.First(i => i.Id == 123);
And if you don't want to throw an error if the list is empty, use FirstOrDefault which returns the default value for the element type (null for reference types):
var item = Items.FirstOrDefault(i => i.Id == ...
How can I convert this foreach code to Parallel.ForEach?
... Just wanted to point it out (more for the OP) so that there wasn't a misguided thought that it only works on List<T> ;)
– Reed Copsey
Sep 3 '12 at 17:21
1
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How to submit a form with JavaScript by clicking a link?
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<input type="submit" value="submit" />
The best JS way
<form id="form-id">
<button id="your-id">submit</button>
</form>
var form = document.getElementById("form-id");
document.getElementById("your-id").addEventListener("click", function () {
form.submit();
}...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
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Fiddle Links: Source code - Preview - Small version
Update: This small function will only execute code in a single direction. If you want full support (eg event listeners / getters), have a look at Listening for Youtube Event ...
How do I unit test web api action method when it returns IHttpActionResult?
...s to work without intimate knowledge of the controller implementation. Consider the following:
public class MixedCodeStandardController : ApiController {
public readonly object _data = new Object();
public IHttpActionResult Get() {
return Ok(_data);
}
public IHttpActionRe...
How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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How to implement a unique index on two columns in rails
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add_index :subscriptions, [:user_id, :content_id], unique: true
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How do I execute a stored procedure once for each row returned by query?
... a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id
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What is “callback hell” and how and why does RX solve it?
...is other question has some examples of Javascript callback hell: How to avoid long nesting of asynchronous functions in Node.js
The problem in Javascript is that the only way to "freeze" a computation and have the "rest of it" execute latter (asynchronously) is to put "the rest of it" inside a call...