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How can I use optional parameters in a T-SQL stored procedure?

...hich are optional. Is there a way to create a stored procedure that will handle this? Let's say I have a table with four fields: ID, FirstName, LastName and Title. I could do something like this: ...
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded

...e database than cursors on the DB. One case is where you have a connection and thread pool larger than the number of cursors on the database. You have many developers or applications connected to the same DB instance (which will probably include many schemas) and together you are using too many conn...
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What is the Difference Between Mercurial and Git?

I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. Just recently I've been looking at Mercurial (hg) and it looks interesting. However, I can't wrap my head around the differences between hg and git. ...
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What's the difference between git reflog and log?

The man page says that log shows the commit logs and reflog manages reflog information. What exactly is reflog information and what does it have that the log doesn't? The log seems far more detailed. ...
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

...ch was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND . 6 Answers ...
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Code-first vs Model/Database-first [closed]

...Very popular because hardcore programmers don't like any kind of designers and defining mapping in EDMX xml is too complex. Full control over the code (no autogenerated code which is hard to modify). General expectation is that you do not bother with DB. DB is just a storage with no logic. EF will h...
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Git-Based Source Control in the Enterprise: Suggested Tools and Practices?

I use git for personal projects and think it's great. It's fast, flexible, powerful, and works great for remote development. ...
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What is WebKit and how is it related to CSS?

...ring engine for Safari/Chrome. Are there such engines for IE/Opera/Firefox and what are the differences, pros and cons of using one over the other? Can I use WebKit features in Firefox for example? Every browser is backed by a rendering engine to draw the HTML/CSS web page. IE → Trident (disco...
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How does the Amazon Recommendation feature work?

... It is both an art and a science. Typical fields of study revolve around market basket analysis (also called affinity analysis) which is a subset of the field of data mining. Typical components in such a system include identification of prima...
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Why maven? What are the benefits? [closed]

... a helpful tool. I use maven 2, with plain Eclipse Java EE (no m2eclipse), and tomcat. 9 Answers ...