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Linq to Sql: Multiple left outer joins
I'm having som>me m> trouble figuring out how to use more than one left outer join using LINQ to SQL. I understand how to use one left outer join. I'm using VB.NET. Below is my SQL syntax.
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Ask for User Permission to Receive UILocalNotifications in iOS 8
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Since iOS 8 you need to ask user's permission to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIApplication, didFinishLaunchingW...
How can I get the last 7 characters of a PHP string?
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Use substr() with a negative number for the 2nd argum>me m>nt.
$newstring = substr($dynamicstring, -7);
From the php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th char...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
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The most likely cause of the speed improvem>me m>nt is that:
inserting a MOV shifts the subsequent instructions to different m>me m>mory addresses
one of those moved instructions was an important conditional branch
that branch was being ...
How to add an auto-increm>me m>nting primary key to an existing table, in PostgreSQL?
I have a table with existing data. Is there a way to add a primary key without deleting and re-creating the table?
4 Answer...
Appropriate datatype for holding percent values?
What is the best datatype for holding percent values ranging from 0.00% to 100.00%?
5 Answers
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What is ApplicationException for in .NET?
To throw exceptions, I usually use built-in exception classes, e.g. Argum>me m>ntNullException and NotSupportedException . However, som>me m>tim>me m>s I need to use a custom exception and in that case I write:
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npm install vs. update - what's the difference?
What is the practical difference between npm install and npm update ? When should I use which?
5 Answers
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MongoDB - Update objects in a docum>me m>nt's array (nested updating)
Assum>me m> we have the following collection, which I have few questions about:
3 Answers
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
...t installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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