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What's valid and what's not in a URI query?

I've been Googling this back and forth reading RFCs and SO questions trying to crack this, but I still don't got jack. 7 An...
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Entity Framework and SQL Server View

... We had the same problem and this is the solution: To force entity framework to use a column as a primary key, use ISNULL. To force entity framework not to use a column as a primary key, use NULLIF. An easy way to apply this is to wrap the select ...
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CSS scrollbar style cross browser [duplicate]

...CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox. ...
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How can I prevent SQL injection in PHP?

... Use prepared statements and parameterized queries. These are SQL statements that are sent to and parsed by the database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL. You basically have two...
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What is the difference between up-casting and down-casting with respect to class variable

What is the difference between up-casting and down-casting with respect to class variable? 10 Answers ...
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Visual Studio 2010 - recommended extensions [closed]

...ded extensions for Visual Studio 2010? (Please indicate if its free or not And also its purpose / function too) 39 Answers ...
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How to open a specific port such as 9090 in Google Compute Engine

I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules. ...
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Difference between JSP EL, JSF EL and Unified EL [closed]

...difference between the Expression Languages (EL). There is JSP EL, JSF EL and Unified EL. 2 Answers ...
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Find() vs. Where().FirstOrDefault()

I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference. ...
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What key shortcuts are to comment and uncomment code?

There were Ctrl + E + C (comment) and Ctrl + E + U (uncomment) in older versions, or Ctrl + K + C and Ctrl + K + U . ...