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What is a plain English explanation of “Big O” notation?
...f time
how website latency scales with the number of processing units in a CPU or GPU or computer cluster
how heat output scales on CPU dies as a function of transistor count, voltage, etc.
how much time an algorithm needs to run, as a function of input size
how much space an algorithm needs to run,...
await vs Task.Wait - Deadlock?
...wers:
"async await" is more complex at CIL level and thus costs memory and CPU time.
Any task can be canceled if the waiting time is unacceptable.
In the case "async await" we do not have a handler for such a task to cancel it or monitoring it.
Using Task is more flexible then "async await".
Any syn...
GOTO still considered harmful? [closed]
...the code is just a metaphor. Nothing is really "going" anywhere inside the CPU except electrons and photons (for the waste heat). Sometimes we give up a metaphor for another, more useful, one. I recall encountering (a few decades ago!) a language where
if (some condition) {
action-1
} else {
ac...
Why is char[] preferred over String for passwords?
...chnically the clearing is often done with protected mode tricks and if the CPU is broken (e.g. Intel Meldown) it's still possible to read old memory contents.
– Mikko Rantalainen
Apr 21 at 7:33
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How to turn on front flash light programmatically in Android?
... for flashlight. It is possible that you can reduce power consumption and CPU load with camera2, though, as you don't need to keep an active preview to enable flashlight.
– Eddy Talvala
Jan 22 '15 at 5:32
...
PHP foreach change original array values
...est your specific scenario and determine which option uses less memory and CPU time. For more information see the SO post linked below by NikiC.
Code readability.
Creating references in PHP is something that quickly gets out of hand. If you are a novice and don't have full control of what you are d...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
... there is 500MB of file data in one of the tables.
Overall not very memory/cpu efficient when compared to filesystem
I'd call my implementation a success, it takes care of backup requirements and simplifies the layout of the project. The performance is fine for the 20-30 people who use the app.
...
Why is there no xrange function in Python3?
... but every time i use range i hear that huge distressing fan sound meaning cpu is on it's worst, while xrange doesn't do it. Think you about it ;)
– catalesia
Feb 22 '13 at 0:16
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Practical use of `stackalloc` keyword
...if you use stackalloc you greatly increase the chance of cache hits on the CPU due to the locality of data.
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How do I execute a command and get the output of the command within C++ using POSIX?
...ed ;)
{
// Give some timeslice (50 ms), so we won't waste 100% CPU.
bProcessEnded = WaitForSingleObject( pi.hProcess, 50) == WAIT_OBJECT_0;
// Even if process exited - we continue reading, if
// there is some data available over pipe.
for (;;)
{
...