大约有 3,800 项符合查询结果（耗时：0.0275秒） [XML]
Remove element of a regular array
...array copy (which is able to copy the data at the max speed allowed by the CPU with just a few ASM instructions). Also, shifting a list is very fast because it is just a matter of swapping a few pointers and removing the node data (which is only 8 bytes [plus another 16 for the head\tail pointers] i...
Animated GIF in IE stopping
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spin.js unfortunately is quite CPU intensive. See issues/8, issues/200, issues/215
– user247702
Aug 13 '15 at 14:00
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How does Python manage int and long?
... are handled by the Int class. The default size of Int will depend on your CPU architecture.
For example:
32 bit systems the default datatype for integers will be 'Int32'
64 bit systems the default datatype for integers will be 'Int64'
The min/max values of each type can be found below:
Int...
How to delete a specific line in a file?
... files as big as 12-50 GB, and the RAM usage remains almost constant. Only CPU cycles show processing in progress.
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When would I use XML instead of SQL? [closed]
...nt of time. This only could be worked around with a costy (in the terms of CPU time) prebuffering with huge memory requirements.
– mg30rg
Nov 28 '13 at 8:43
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Regex to validate password strength
...hic.html). This can go unnoticed until one day your server hangs with 100% CPU because a user used a "strange" password. Example: ^([a-z0-9]+){8,}$ (can you see the error?)
– aKzenT
Sep 22 '17 at 18:10
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Synchronous request in Node.js
... i haven't had any slow runs for it. This spawns a child process. How many cpus does your system use and what version of node are you using? I'd love to know to determine if I need to switch or not.
– jemiloii
Oct 8 '15 at 17:23
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Append an object to a list in R in amortized constant time, O(1)?
...es due to the fact that the code we are testing is not yet loaded into the CPU's cache. Following the first run, we would expect the times to be fairly consistent, but occasionally our code may be evicted from the cache due to timer tick interrupts or other hardware interrupts that are unrelated to ...
How to round up the result of integer division?
...nverting to floating point and back seems like a huge waste of time at the CPU level.
Ian Nelson's solution:
int pageCount = (records + recordsPerPage - 1) / recordsPerPage;
Can be simplified to:
int pageCount = (records - 1) / recordsPerPage + 1;
AFAICS, this doesn't have the overflow bug th...
How do you performance test JavaScript code?
CPU Cycles, Memory Usage, Execution Time, etc.?
22 Answers
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