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Checkout remote branch using git svn
...a svn repository using git svn. Now I need to checkout one of the branches and track it. Which is the best way to do it?
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What's the difference between a temp table and table variable in SQL Server?
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There are a few differences between Temporary Tables (#tmp) and Table Variables (@tmp), although using tempdb isn't one of them, as spelt out in the MSDN link below.
As a rule of thumb, for small to medium volumes of data and simple usage scenarios you should use table variables. (Th...
Difference between object and class in Scala
I'm just going over some Scala tutorials on the Internet and have noticed in some examples an object is declared at the start of the example.
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Avoiding instanceof in Java
...ng a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case?
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Why can't I inherit static classes?
...reason to consider mechanisms to bring static members directly into scope (and we will in fact consider this after the Orcas product cycle), but static class inheritance is not the way to go: It is the wrong mechanism to use, and works only for static members that happen to reside in a static class....
Why does MYSQL higher LIMIT offset slow the query down?
...down, since the query needs to count off the first OFFSET + LIMIT records (and take only LIMIT of them). The higher is this value, the longer the query runs.
The query cannot go right to OFFSET because, first, the records can be of different length, and, second, there can be gaps from deleted recor...
Why is it important to override GetHashCode when Equals method is overridden?
...s equal, it is not necessary for them to be the same; this is a collision, and Equals will be called to see if it is a real equality or not.
In this case, it looks like "return FooId;" is a suitable GetHashCode() implementation. If you are testing multiple properties, it is common to combine them ...
Network usage top/htop on Linux
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jnettop is another candidate.
edit: it only shows the streams, not the owner processes.
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Limits of Nat type in Shapeless
...n type level, e.g. append a list of N elements to a list of K elements and get back a list that is known at compile time to have N+K elements.
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Correct way to close nested streams and writers in Java [duplicate]
Note: This question and most of its answers date to before the release of Java 7. Java 7 provides Automatic Resource Management functionality for doing this easilly. If you are using Java 7 or later you should advance to the answer of Ross Johnson .
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