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MySQL: @variable vs. variable. What's the difference?

...ialize this variable with a SET statement or inside a query: SET @var = 1 SELECT @var2 := 2 When you develop a stored procedure in MySQL, you can pass the input parameters and declare the local variables: DELIMITER // CREATE PROCEDURE prc_test (var INT) BEGIN DECLARE var2 INT; SET var2 =...
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How to write UPDATE SQL with Table alias in SQL Server 2008?

... Mark Byers - Great Answer!! This syntax allows me to add a commented out Select statement, which allows me to test the update by doing the select first (highlight from the select down and execute): SET Q.TITLE = 'TEST' -- SELECT * – user1636464 Aug 30 '12 at ...
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Linq with group by having count

... from c in db.Company group c by c.Name into grp where grp.Count() > 1 select grp.Key Or, using the method syntax: Company .GroupBy(c => c.Name) .Where(grp => grp.Count() > 1) .Select(grp => grp.Key); ...
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How do I temporarily disable triggers in PostgreSQL?

...ct = 'disable'; else act = 'enable'; end if; for r in select c.relname from pg_namespace n join pg_class c on c.relnamespace = n.oid and c.relhastriggers = true where n.nspname = nsp loop execute format('alter table %I %s trigger all', r.relname, act)...
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SQL Server Script to create a new user

...s using the Login you just declared: Use YourDatabase; GO IF NOT EXISTS (SELECT * FROM sys.database_principals WHERE name = N'NewAdminName') BEGIN CREATE USER [NewAdminName] FOR LOGIN [NewAdminName] EXEC sp_addrolemember N'db_owner', N'NewAdminName' END; GO Now, Logins are a bit more flu...
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Using jquery to get all checked checkboxes with a certain class name

...? $(this).val() : ""); }); An example to demonstrate. :checkbox is a selector for checkboxes (in fact, you could omit the input part of the selector, although I found niche cases where you would get strange results doing this in earlier versions of the library. I'm sure they are fixed in later...
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How do I access the $scope variable in browser's console using AngularJS?

...ular.element($0).scope() In WebKit and Firefox, $0 is a reference to the selected DOM node in the elements tab, so by doing this you get the selected DOM node scope printed out in the console. You can also target the scope by element ID, like so: angular.element(document.getElementById('yourElem...
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What is the best way to insert source code examples into a Microsoft Word document?

... it may be too small ... ... so you may have to change its size Having selected the text box, right-click on it, then choose Insert Caption ... In the Caption menu, if you don't have one already, click New Label, and set the new label to "Code", click OK ... ... then in the Caption dialog, s...
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Where is Developer Command Prompt for VS2013?

... From VS2013 Menu Select "Tools", then Select "External Tools". Enter as below: Title: "VS2013 Native Tools-Command Prompt" would be good Command: C:\Windows\System32\cmd.exe Arguments: /k "C:\Program Files (x86)\Microsoft Visual Studio 12.0...
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Can git automatically switch between spaces and tabs?

... That way: each time you checkout some files of your repo, spaces can be converted in tabs, but when you check-in (and push and publish), those same files are stored back using only spaces. You can declare this filter driver (named here 'tabspace') in the .git/info/attributes (for a filter appl...