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Efficiently convert rows to columns in sql server

...onvert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records. 2 Answer...
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How to calculate the SVG Path for an arc (of a circle)

...t (200,200), radius 25, how do I draw an arc from 270 degree to 135 degree and one that goes from 270 to 45 degree? 13 Answ...
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Is there any free OCR library for Android? [closed]

I'm looking for a Java OCR that runs on Android, however Asprise doesn't seem to be a platform independent OCR. is there any opensource/free Java OCR I can use for android application development? ...
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How do I get list of all tables in a database using TSQL?

...NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='dbName' --(for MySql, use: TABLE_SCHEMA='dbName' ) PS: For SQL Server 2000: SELECT * FROM sysobjects WHERE xtype='U' share ...
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Android Studio: Default project directory

Whenever I create a new project in Android Studio it wants to put it in a generic default folder at a location something similar to (dependent on OS - Ubuntu here): ...
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

... Use whatever you and your team find the most readable. Other answers have suggested that a new string is created every time you use "". This is not true - due to string interning, it will be created either once per assembly or once per AppDo...
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Insert the carriage return character in vim

...Ctrl-V tells vi that the next character typed should be inserted literally and ctrl-m is the keystroke for a carriage return. share | improve this answer | follow ...
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How do I properly clean up Excel interop objects?

I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause: 41 Answers ...
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iPhone/iOS JSON parsing tutorial [closed]

... application that calls a webserver/webservice, retrieves a JSON response, and uses that response to populate the rows of a UITableView (assuming it converts the JSON into an NSArray first). ...
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What are the benefits of learning Vim? [closed]

As a programmer I spend a lot of hours at the keyboard and I've been doing it for the last 12 years, more or less. If there's something I've never gotten used to during all this time, it's these annoying and almost unconscious constant micro-interruptions I experience while coding, due to some of th...