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Alter Table Add Column Syntax

...c NOT NULL IDENTITY (1, 1) ALTER TABLE Employees ADD CONSTRAINT PK_Employees PRIMARY KEY CLUSTERED ( EmployeeID ) WITH( STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ...
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When and why to 'return false' in JavaScript?

...s, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted. share | improve this answer ...
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How to get the next auto-increment id in mysql

... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases... – Gerard ONeill Feb 12 '16 at 15:26 ...
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data.table vs dplyr: can one do something well the other can't or does poorly?

...j and by together is by design. By keeping related operations together, it allows to easily optimise operations for speed and more importantly memory usage, and also provide some powerful features, all while maintaining the consistency in syntax. 1. Speed Quite a few benchmarks (though mostly on g...
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How can I list ALL DNS records?

Is there any way I can list ALL DNS records for a domain? 8 Answers 8 ...
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How to install a plugin in Jenkins manually

Installing a plugin from the Update center results in: 12 Answers 12 ...
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How to change the color of an svg element?

I want to use this technique http://css-tricks.com/svg-fallbacks/ and change the svg color but so far I haven't been able to do so. I put this in the css but my image is always black, no matter what. My code: ...
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Should I use char** argv or char* argv[]?

... As you are just learning C, I recommend you to really try to understand the differences between arrays and pointers first instead of the common things. In the area of parameters and arrays, there are a few confusing rules that should be clear before going on. First, what ...
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How to version control a record in a database

...O table. Happy days. Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key from FOO_HISTORY to FOO. You might also add columns related to the revision such as the UserId and R...
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Stash changes while keeping the changes in the working directory in Git

...stashes your changes, but keeps them in the working directory too? So basically a git stash; git stash apply in one step? ...