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How do I delete from multiple tables using INNER JOIN in SQL server
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You can take advantage of the "deleted" pseudo table in this example. Something like:
begin transaction;
declare @deletedIds table ( id int );
delete from t1
output deleted.id into @deletedIds
from table1 as t1
inner...
How to check if a file exists in Documents folder?
...mentDirectory,
in: .userDomainMask,
appropriateFor: nil,
create: true)
... gives you a file URL of the documents directory. The following checks if there's a file named foo...
What are the most common non-BMP Unicode characters in actual use? [closed]
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Emoji are now the most common non-BMP characters by far. ????, otherwise known as U+1F602 FACE WITH TEARS OF JOY, is the most common one on Twitter's public stream. It occurs more frequently than the tilde!
share
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What's the best way to convert a number to a string in JavaScript? [closed]
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like this:
var foo = 45;
var bar = '' + foo;
Actually, even though I typically do it like this for simple convenience, over 1,000s of iterations it appears for raw speed there is an advantage for .toString()
See Performance...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
I would like to see the SQL statement that a given ActiveRecord Query will generate. I recognize I can get this information from the log after the query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
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How to make an introduction page with Doxygen
I made documentation for my SDK, using Doxygen. It contains the list of files, namespaces, classes, types etc. - everything that I placed as Doxygen comments in the code. Now I want to write some general information about SDK (kind of introduction), which is not related directly to any code element....
What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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Seeing the console's output in Visual Studio 2010?
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T.Todua
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answered Mar 14 '11 at 16:11
Richard Adnams...
Convert a PHP object to an associative array
I'm integrating an API to my website which works with data stored in objects while my code is written using arrays.
32 Answ...
Not equal != operator on NULL
...ior is not specific to SQL Server. All standards-compliant SQL dialects work the same way.
Note: To compare if your value is not null, you use IS NOT NULL, while to compare with not null value, you use <> 'YOUR_VALUE'. I can't say if my value equals or not equals to NULL, but I can say if my ...