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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)

...for compatibility with legacy content. [RFC3986] This definitely works in all current browsers, but may not work as expected in some older browsers ("browsers do weird things with an empty action="" attribute"), which is why the spec strongly discourages authors from leaving it empty: The action a...
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How do I read from parameters.yml in a controller in symfony2?

...and then - the needed parameter. $this->container->getParameter('api_user'); This documentation chapter explains it. While $this->get() method in a controller will load a service (doc) In Symfony 2.7 and newer versions, to get a parameter in a controller you can use the following: $th...
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Why does an image captured using camera intent gets rotated on some devices on Android?

...nterface(photoPath); int orientation = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED); Bitmap rotatedBitmap = null; switch(orientation) { case ExifInterface.ORIENTATION_ROTATE_90: rotatedBitmap = rotateImage(b...
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How is pattern matching in Scala implemented at the bytecode level?

...atterns like or patterns and combinations like "case Foo(45, x)", but generally those are just logical extensions of what I just described. Patterns can also have guards, which are additional constraints on the predicates. There are also cases where the compiler can optimize pattern matching, e.g...
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SQL Server Insert if not exists

...ode BEGIN INSERT INTO EmailsRecebidos (De, Assunto, Data) VALUES (@_DE, @_ASSUNTO, @_DATA) WHERE NOT EXISTS ( SELECT * FROM EmailsRecebidos WHERE De = @_DE AND Assunto = @_ASSUNTO AND Data = @_DATA); END replace with BEGIN I...
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How can I start PostgreSQL server on Mac OS X?

... The Homebrew package manager includes launchctl plists to start automatically. For more information, run brew info postgres. Start manually pg_ctl -D /usr/local/var/postgres start Stop manually pg_ctl -D /usr/local/var/postgres stop Start automatically "To have launchd start postgresql now and res...
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keytool error :java.io.IoException:Incorrect AVA format

...) in a field for Name, Organization or somewhere else. Of course if you really want some charachter can be escaped with \ sign share | improve this answer | follow ...
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks

I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message: ...
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0

I have installed MS SQL Server 2008 R2 and when I try to update model from database under EDMX file I am facing that error. ...
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How to make return key on iPhone make keyboard disappear?

...ate after you init the textfield in the .m: yourTextField = [[UITextField alloc] initWithFrame:yourFrame]; //.... //.... //Setting the textField's properties //.... //The next line is important!! yourTextField.delegate = self; //self references the viewcontroller or view your textField is on ...