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Under what circumstances are linked lists useful?
Most times I see people try to use linked lists, it seems to me like a poor (or very poor) choice. Perhaps it would be useful to explore the circumstances under which a linked list is or is not a good choice of data structure.
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Get a list of all threads currently running in Java
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To get an iterable set:
Set<Thread> threadSet = Thread.getAllStackTraces().keySet();
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namespaces for enum types - best practices
...l, the namespace solution has two possible implementations: a dummy class with nested enum, or a full blown namespace.
8 An...
How to dynamically compose an OR query filter in Django?
... Take one Q object from the list
query = queries.pop()
# Or the Q object with the ones remaining in the list
for item in queries:
query |= item
# Query the model
Article.objects.filter(query)
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Giving a border to an HTML table row,
Is it possible to border a table row, <tr> in one go instead of giving a border to individual cells, <td> like,
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How to make “if not true condition”?
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try
if ! grep -q sysa /etc/passwd ; then
grep returns true if it finds the search target, and false if it doesn't.
So NOT false == true.
if evaluation in shells are designed to be very flexible, and many times doesn't require chains of commands (as you have written).
Also, looking a...
ASP.NET MVC JsonResult Date Format
...or Date values. MS had to make a call, and the path they chose was to exploit a little trick in the javascript representation of strings: the string literal "/" is the same as "\/", and a string literal will never get serialized to "\/" (even "\/" must be mapped to "\\/").
See http://msdn.microsoft...
How to download/checkout a project from Google Code in Windows?
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If you don't want to install anything but do want to download an SVN or GIT repository, then you can use this: http://downloadsvn.codeplex.com/
I have nothing to do with this project, but I just used it now and it saved me a few minutes. Maybe it will help someone.
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The purpose of Model View Projection Matrix
...n to the next stage of a programmable pipeline from the incoming vertex positions.
In the fixed functionality pipelines of old, you'd apply model and view together, then work out lighting using another result derived from them (with some fixes so that e.g. normals are still unit length even if you'...
What is the difference between currying and partial application?
I quite often see on the Internet various complaints that other peoples examples of currying are not currying, but are actually just partial application.
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