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How to check if an object is a certain type

I am passing various objects to a subroutine to run the same process but using a different object each time. For example, in one case I am using a ListView and in another case I am passing a DropDownList. ...
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Which parallel sorting algorithm has the best average case performance?

...rting takes O(n log n) in the serial case. If we have O(n) processors we would hope for a linear speedup. O(log n) parallel algorithms exist but they have a very high constant. They also aren't applicable on commodity hardware which doesn't have anywhere near O(n) processors. With p processors, reas...
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how do I work around log4net keeping changing publickeytoken

We have an asp.net 4.0 project which uses a couple of frameworks which is dependent on log4net version 1.2.10.0. Today I tried to include a new framework which is dependent on log4net version 1.2.11.0, I've been stuck ever since: ...
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?

I've started to use the IPython Notebook and am enjoying it. Sometimes, I write buggy code that takes massive memory requirements or has an infinite loop. I find the "interrupt kernel" option sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory. ...
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How to redirect cin and cout to files?

How can I redirect cin to in.txt and cout to out.txt ? 5 Answers 5 ...
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Server polling with AngularJS

I'm trying to learn AngularJS. My first attempt to get new data every second worked: 4 Answers ...
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How can I access “static” class variables within class methods in Python?

... Instead of bar use self.bar or Foo.bar. Assigning to Foo.bar will create a static variable, and assigning to self.bar will create an instance variable. share ...
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Git: How to edit/reword a merge commit's message?

... If you add the --preserve-merges option (or its synonym, -p) to the git rebase -i command then git will try to preserve the merges when rebasing, rather than linearizing the history, and you should be able to amend the merge commi...
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Is it possible to set a number to NaN or infinity?

... Cast from string using float(): >>> float('NaN') nan >>> float('Inf') inf >>> -float('Inf') -inf >>> float('Inf') == float('Inf') True >>> float('Inf') == 1 False ...
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What does passport.session() middleware do?

I am building an authentication system using Passport.js using Easy Node Authentication: Setup and Local tutorial . 4 Answ...