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MySQL, better to insert NULL or empty string?

... I don't know what best practice would be here, but I would generally err in favor of the null unless you want null to mean something different from empty-string, and the user's input matches your empty-string definition. Note that I'...
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SQL Server Script to create a new user

...dminName] EXEC sp_addrolemember N'db_owner', N'NewAdminName' END; GO Now, Logins are a bit more fluid than I make it seem above. For example, a Login account is automatically created (in most SQL Server installations) for the Windows Administrator account when the database is installed. In m...
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Automatic post-registration user authentication

...ion')->set('_security_main', serialize($token)); // The user is now logged in, you can redirect or do whatever. } } Symfony 2.6.x - Symfony 3.0.x As of symfony 2.6 security.context is deprecated in favor of security.token_storage. The controller can now simply be: use Symfony\Com...
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading

...e query string hacks below anymore since Cloudfront properly supports CORS now. See http://aws.amazon.com/blogs/aws/enhanced-cloudfront-customization/ and this answer for more info: https://stackoverflow.com/a/25305915/308315 OK, I finally got the fonts working using the config below with a littl...
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How can I install pip on Windows?

...e, C:\Python27\Scripts) to your path (Start / Edit environment variables). Now you should be able to run pip from the command line. Try installing a package: pip install httpie There you go (hopefully)! Solutions for common problems are given below: Proxy problems If you work in an office, you ...
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If a folder does not exist, create it

...er control in my application. I want to save a file in a specified folder. Now I want, if this folder does not exist, to first create it, and then save my file to this folder. If the folder already exists, then just save the file in it. ...
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Flex-box: Align last row to grid

...ce-between) but start from the left like on previous lines... I wanted to know, if it is possible to generalize your amazing solution. – Tom Jan 20 '16 at 10:33 45 ...
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How to find the port for MS SQL Server 2008?

I am running MS SQL Server 2008 on my local machine. I know that the default port is 1433 but some how it is not listening at this port. The SQL is an Express edition. ...
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What is the smallest possible valid PDF?

...iler<</Size 4/Root 1 0 R>> Acrobat complains, but opens it. Now we're at 178 bytes. Turns out that you don't need that /Size in the trailer. Now we're at 172: %PDF-1.0 1 0 obj<</Type/Catalog/Pages 2 0 R>>endobj 2 0 obj<</Type/Pages/Kids[3 0 R]/Count 1>>endobj...
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How should I store GUID in MySQL tables?

...tes with an Integer. Since he put that challenge out there to me I thought now was a good time to mention it. That being said... You can store a guid as a CHAR(16) binary if you want to make the most optimal use of storage space. ...