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Do I have to Close() a SQLConnection before it gets disposed?

...ave a using block, the Dispose method of the SQLCommand will be called and it will close the connection: // System.Data.SqlClient.SqlConnection.Dispose disassemble protected override void Dispose(bool disposing) { if (disposing) { this._userConnectionOptions = null; this._po...
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What does “The APR based Apache Tomcat Native library was not found” mean?

... It means exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path" The library referred to is bundled into an OS spe...
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IIS7: HTTP->HTTPS Cleanly

... a clean way to redirect all attempts to going to an HTTP:// version of a site to its HTTPS:// equivalent? 6 Answers ...
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How to print to stderr in Python?

There are several ways to write to stderr: 15 Answers 15 ...
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Evaluating string “3*(4+2)” yield int 18 [duplicate]

... Yes, you can let C# compiler evaluate it at runtime. See: CSharpCorner share | improve this answer | follow | ...
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Detect if the app was launched/opened from a push notification

Is it possible to know if the app was launched/opened from a push notification? 26 Answers ...
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Best practice for instantiating a new Android Fragment

... If Android decides to recreate your Fragment later, it's going to call the no-argument constructor of your fragment. So overloading the constructor is not a solution. With that being said, the way to pass stuff to your Fragment so that they are available after a Fragment is r...
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Tool to generate JSON schema from JSON data [closed]

... You might be looking for this: http://www.jsonschema.net It is an online tool that can automatically generate JSON schema from JSON string. And you can edit the schema easily. share | ...
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SQL Server : Columns to Rows

... use the UNPIVOT function to convert the columns into rows: select id, entityId, indicatorname, indicatorvalue from yourtable unpivot ( indicatorvalue for indicatorname in (Indicator1, Indicator2, Indicator3) ) unpiv; Note, the datatypes of the columns you are unpivoting must be the same ...
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Symfony2 : How to get form validation errors after binding the request to the form

... You have two possible ways of doing it: do not redirect user upon error and display {{ form_errors(form) }} within template file access error array as $form->getErrors() share ...