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What is the most ridiculous pessimization you've seen? [closed]

We all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc...
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What is the difference between old style and new style classes in Python?

...(x) is always <type 'instance'>. This reflects the fact that all old-style instances, independently of their class, are implemented with a single built-in type, called instance. New-style classes were introduced in Python 2.2 to unify the concepts of class and type. A new-s...
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Which version of Perl should I use on Windows? [closed]

...e repeatedly had with ActiveState is that my modules sometimes fail to install because I need an upgrade to a core module, but they won't allow that. Thus, everybody who doesn't use Windows can use my code, but they can't do that with ActiveState's Perl. ActiveState also has a very dodgy build sys...
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How do I capture SIGINT in Python?

...f KeyboardInterruptException is implemented as a SIGINT handler or if it really only catches Ctrl+C presses, but either way, using a signal handler makes your intent explicit (at least, if your intent is the same as OP's). More importantly though, with a signal you don't have to wrap try-catches ar...
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Is it possible to forward-declare a function in Python?

...rwards is impossible, what about defining it in some other module? Technically you still define it first, but it's clean. You could create a recursion like the following: def foo(): bar() def bar(): foo() Python's functions are anonymous just like values are anonymous, yet they can be ...
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How do I expire a PHP session after 30 minutes?

...ms with filesystems where atime tracking is not available. So it additionally might occur that a session data file is deleted while the session itself is still considered as valid because the session data was not updated recently. And second: session.cookie_lifetime session.cookie_lifetime ...
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Debugging Package Manager Console Update-Database Seed Method

... Here is similar question with a solution that works really well. It does NOT require Thread.Sleep. Just Launches the debugger using this code. Clipped from the answer if (!System.Diagnostics.Debugger.IsAttached) System.Diagnostics.Debugger.Launch(); ...
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Break when a value changes using the Visual Studio debugger

...where this is a tough feature to implement in debugging managed apps especially with garbage collector involved. – Gulzar Nazim Oct 1 '08 at 23:25 27 ...
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IIS AppPoolIdentity and file system write access permissions

...tem folders (otherwise how else would the worker process be able to dynamically load essential DLL's). With regard to your observations about being able to write to your c:\dump folder. If you take a look at the permissions in the Advanced Security Settings, you'll see the following: See that Sp...
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get and set in TypeScript

... })(); So to use it, var myFoo = new foo(); if(myFoo.bar) { // calls the getter myFoo.bar = false; // calls the setter and passes false } However, in order to use it at all, you must make sure the TypeScript compiler targets ECMAScript5. If you are running the command line compile...