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MySQL Orderby a number, Nulls last
... syntax to sort nulls last. Place a minus sign (-) before the column name and switch the ASC to DESC:
SELECT * FROM tablename WHERE visible=1 ORDER BY -position DESC, id DESC
It is essentially the inverse of position DESC placing the NULL values last but otherwise the same as position ASC.
A go...
How to remove items from a list while iterating?
I'm iterating over a list of tuples in Python, and am attempting to remove them if they meet certain criteria.
26 Answers
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iPhone hide Navigation Bar only on first page
I have the code below that hides and shows the navigational bar. It is hidden when the first view loads and then hidden when the "children" get called. Trouble is that I cannot find the event/action to trigger it to hide again when they get back to the root view....
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Is there a Rake equivalent in Python?
Rake is a software build tool written in Ruby (like Ant or Make ), and so all its files are written in this language. Does something like this exist in Python?
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How can I center an absolutely positioned element in a div?
...ite big, this caused the outer div to go beyond the right edge of the page and cause horizontal scrolling. I swapped out the "left" css property for "right", and so far it works better since going over the left edge of the screen doesnt cause scrolling
– BoomShaka
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How to use sessions in an ASP.NET MVC 4 application?
I am new to ASP.NET MVC. I have used PHP before and it was easy to create a session and select user records based on the current session variables.
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C# “internal” access modifier when doing unit testing
I'm new to unit testing and I'm trying to figure out if I should start using more of internal access modifier. I know that if we use internal and set the assembly variable InternalsVisibleTo , we can test functions that we don't want to declare public from the testing project. This makes me thi...
Is it possible to use raw SQL within a Spring Repository
...on {
int getId();
String getName();
String getRollNo();
}
And Your Data Access Object(Dao) is like bellow :
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.CrudRepository;
import java.util.ArrayList;
public interface UserInfoTestDa...
How to delete a localStorage item when the browser window/tab is closed?
...ocalStorage with key + value that should be deleted when browser is closed and not single tab.
19 Answers
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What is a Lambda?
...ne provide a good description of what a Lambda is? We have a tag for them and they're on the secrets of C# question, but I have yet to find a good definition and explanation of what they are in the first place.
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