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What is the difference between and ?
What is the difference between <html lang="en"> and <html lang="en-US"> ? What other values can follow the dash?
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What is the difference between pluck and collect in Rails?
...er.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first.gifts.pluck(:id, ...
JPA and Hibernate - Criteria vs. JPQL or HQL
What are the pros and cons of using Criteria or HQL ? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
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Difference between a “coroutine” and a “thread”?
What are the differences between a "coroutine" and a "thread"?
6 Answers
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Checking if a string array contains a value, and if so, getting its position
...ringArray, value);
if (pos > -1)
{
// the array contains the string and the pos variable
// will have its position in the array
}
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Safely remove migration In Laravel
In Laravel, there appears to be a command for creating a migration, but not removing.
9 Answers
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Injecting Mockito mocks into a Spring bean
... FYI: This approach won't work, if i want partial Autowiring and partial mocking in MyTestObject.
– raksja
Sep 16 '13 at 21:44
9
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Cancel a UIView animation?
... is to create a new animation to your end point. Set a very short duration and make sure you use the +setAnimationBeginsFromCurrentState: method to start from the current state. When you set it to YES, the current animation is cut short. Looks something like this:
[UIView beginAnimations:nil contex...
How to create a custom attribute in C#
I have tried lots of times but still I am not able to understand the usage of custom attributes (I have already gone through lots of links).
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ASP.NET MVC 3 - Partial vs Display Template vs Editor Template
...playFor is simple. The semantics of the methods is to generate edit/insert and display/read only views (respectively). Use DisplayFor when displaying data (i.e. when you generate divs and spans that contain the model values). Use EditorFor when editing/inserting data (i.e. when you generate input ta...