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.NET - Dictionary locking vs. ConcurrentDictionary

... Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all require some kind of locking, or rather explicit access in some way or another. On the other hand, cons...
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Apache Prefork vs Worker MPM

... system unless a different one is choosen at compile-time (for instance on Windows mpm_winnt is used by default). Here's the list of operating systems and their default MPMs: BeOS beos Netware mpm_netware OS/2 mpmt_os2 Unix/Linux prefork (update for Apache version ≥ 2.4: prefork, worker, or...
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WAMP/XAMPP is responding very slow over localhost

... I had the same problem running on Windows 8 running on 64bit. Apache is really slow but when you press F5 many times it goes ok. In the end i after doing many things managed to solve it. Right now it works fast. Try the following tasks to increase the perfo...
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Is Disney's FastPass Valid and/or Useful Queue Theory

...don't spend a nickel while holding the FastPass, Disney and you both still win. – Cheeso Jun 11 '09 at 21:51 1 ...
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Is modern C++ becoming more prevalent? [closed]

...y that like we don't have plentiful options to assess performance, e.g. viewing assembly output, timers, RAM monitors, and many more. C++ is no different from C in that regard. If in doubt, profile. Anything else is just hearsay. – underscore_d Oct 24 '15 at 12...
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Best way to parse command-line parameters? [closed]

...d, usage message will have been displayed } The above generates the following usage text: scopt 3.x Usage: scopt [update] [options] [<file>...] -f <value> | --foo <value> foo is an integer property -o <file> | --out <file> out is a required file ...
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What does Serializable mean?

...rder to explain the idea: Let's say you have a class person like the following: public class Person implements java.io.Serializable { /** * */ private static final long serialVersionUID = 1L; public String firstName; public String lastName; public int age; public...
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Is it bad to have my virtualenv directory inside my git repository?

... C module, like many Python modules do, to increase performance. I imagine Windows->Linux would also not work. – Matt Williamson Jul 25 '12 at 15:41 ...
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erb, haml or slim: which one do you suggest? And why? [closed]

...d decide which looks better in you eyes. I don't think there is a definite winner between those two (HAML/SLIM). share | improve this answer | follow | ...
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python setup.py uninstall

...rgs to do the removal: xargs rm -rf < files.txt Or if you're running Windows, use Powershell: Get-Content files.txt | ForEach-Object {Remove-Item $_ -Recurse -Force} Then delete also the containing directory, e.g. /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packag...