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What exactly are “spin-locks”?
...ly a "disable interrupts" or "raise IRQL" which prevents thread scheduling completely.
Spinlocks ultimately allow kernels to avoid "Big Kernel Lock"s (a lock acquired when core enters kernel and released at the exit) and have granular locking over kernel primitives, causing better multi-processing o...
Using 'return' in a Ruby block
...here (it's not my content and my pages, I just googled it). But I really recommend original book, it has much more gems explained.
– MBO
Jul 9 '13 at 20:27
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How to use enums in C++
... is invalid. (Which is sad). This is because C++ is (somewhat) backwards compatable with C, and C had no namespaces, so enumerations had to be in the global namespace. So the syntax is simply:
enum Days {Saturday, Sunday, Tuesday, Wednesday, Thursday, Friday};
Days day = Saturday;
if (day == Sat...
How can I delete a newline if it is the last character in a file?
... newline if it is the last character in a file. od -c shows me that the command I run does write the file with a trailing new line:
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How to position one element relative to another with jQuery?
... edited Jan 1 '19 at 7:03
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answered May 6 '10 at 13:37
UrielUriel
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When is each sorting algorithm used? [closed]
...t is one that's guaranteed not to reorder elements with identical keys.
Recommendations:
Quick sort: When you don't need a stable sort and average case performance matters more than worst case performance. A quick sort is O(N log N) on average, O(N^2) in the worst case. A good implementation us...
Test whether string is a valid integer
I'm trying to do something common enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it ap...
How can I update a single row in a ListView?
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...just installed MySQL for the first time and then tried to access via MySQL command line client. That sounds like first time access to me.
– Mike Brant
Dec 13 '14 at 13:17
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Thread vs ThreadPool
...t.
If your workload consistently has large numbers of thread pool requests coming in, then the thread pool will tune itself to your workload by creating more threads in the pool by the above process so that there are a larger number of thread available to process requests
check Here for more in dept...