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When does static class initialization happen?
When are static fields initialized? If I never instantiate a class, but I access a static field, are ALL the static blocks and private static methods used to instantiate private static fields called (in order) at that instant?
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Django in / not in query
I'm trying to figure out how to write a 'not in' style query in django.
For example, the query structure I'm thinking of would look like this.
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What is the maximum depth of the java call stack?
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It depends on the amount of virtual memory allocated to the stack.
http://www.odi.ch/weblog/posting.php?posting=411
You can tune this with the -Xss VM parameter or with the Thread(ThreadGroup, Runnable, String, long) constructor.
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Using Vim's persistent undo?
One of the new features in Vim 7.3 is 'persistent undo', which allows for the undotree to be saved to a file when exiting a buffer.
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Difference between `data` and `newtype` in Haskell
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Great question!
There are several key differences.
Representation
A newtype guarantees that your data will have exactly the same representation at runtime, as the type that you wrap.
While data declares a brand new data structur...
git update-index --assume-unchanged on directory
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git update-index wants the file names on its command line, not on its standard input.
Step 1:
cd into the folder you want to assume is unchanged
Step 2:
You can do either this:
git update-index --assume-unchanged $(git ls-f...
What is difference between cacerts and keystore?
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'cacerts' is a truststore. A trust store is used to authenticate peers. A keystore is used to authenticate yourself.
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Test if a class has an attribute?
...lopment, and I'm trying to verify that my classes are marked with an attribute:
4 Answers
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Windows batch: call more than one command in a FOR loop?
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Actually, I think the parentheses are unnecessary. for %i in (1 2 3) do echo %i & echo foo prints what I'd expect: "1", "foo", "2", "foo", "3", "foo" (on separate lines).
– bk1e
Feb 13 ...
Cannot send a content-body with this verb-type
I just got this exception (ProtocolViolationException) in my .NET 2.0 app (running on windows mobile 6 standard emulator). What confuses me is that as far as i know, I have not added any content body, unless I've inadvertently done it somehow. My code is below (very simple). Is there anything els...