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What is the difference between mutex and critical section?
Please explain from Linux, Windows perspectives?
10 Answers
10
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How to get all groups that a user is a member of?
... This just saved me from using the most convoluted and long winded method of finding this. Knew that powershell would have something like this but could not find it anywhere. +1
– Tim Alexander
Sep 11 '13 at 10:00
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Putting a simple if-then-else statement on one line [duplicate]
...know is guaranteed (but didn't check). And though terse, it isn't going to win any readability awards. You can also do "abcdefg"[i] in C, but it doesn't mean you should.
– msw
May 10 '10 at 15:27
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What is the reason for performing a double fork when creating a daemon?
I'm trying to create a daemon in python. I've found the following question , which has some good resources in it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not ...
Using the “start” command with parameters passed to the started program
...parameter has double quotes it uses that as the optional TITLE for the new window.
I believe what you want is:
start "" "c:\program files\Microsoft Virtual PC\Virtual PC.exe" -pc MY-PC -launch
In other words, give it an empty title before the name of the program to fake it out.
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What is the meaning of the term arena in relation to memory?
...allocator, and if you use this knowledge your custom allocator will always win. Allocators are not magic. An arena is useful if you have a lot of items that all die at the same, well-defined point in time. That's pretty much all you need to know. It's not rocket-science.
– Andr...
PyPy — How can it possibly beat CPython?
... the PyPy python interpreter however they change their implementation, allowing for much more freedom in experimentation to improve performance (without worrying about introducing GC bugs or updating the JIT compiler to cope with the changes). It also means when they get around to implementing a Pyt...
I need an unordered list without any bullets
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@tovmeod Seems to work fine in my IE9 (on Win7). (it is a complex page, not a simple POC, maybe something else changed the behavior)
– David Balažic
Sep 16 '16 at 12:47
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What's HTML character code 8203?
...ith get_html_translation_table(HTML_ENTITIES) and ord() but still couldn't win) this finally gave me the handle i needed to move forward! THANK YOU!!!
– aequalsb
Feb 17 '17 at 22:26
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Getting a random value from a JavaScript array
...s to performance optimization while producing output using UI elements, ~~ wins the game. MORE INFO
var rand = myArray[~~(Math.random() * myArray.length)];
But if you know that the array is going to have millions of elements than you might want to reconsider between Bitwise Operator and Math.Floor(...