大约有 3,700 项符合查询结果（耗时：0.0231秒） [XML]
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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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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How to get milliseconds from LocalDateTime in Java 8
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"gives you the same results as" ... but takes more CPU power and stresses the garbage collector a lot more.
– VasiliNovikov
Dec 5 '18 at 15:12
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Joins are for lazy people?
...out joins. BUT in many cases, your development time is more important than CPU time and memory. Give up a little performance and enjoy your life. Don't waste your time for little little performance. And tell him "Why don't you make a straight highway from your place to your office?"
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Tools for JPEG optimization? [closed]
...sive works fine in basically everything, the only drawback is it uses more CPU to decode (not enough extra to matter).
– Ariel
Jul 29 '12 at 6:07
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Starting iPhone app development in Linux? [closed]
...e, I'm running OS X and Xcode on a virtualised (VMware) machine on Linux. CPU is a Core2Quad (Q8800), and it is perfectly fast. I found a prebuilt VM online (I'll leave it to you to find)
Xcode/iPhone development works perfectly, as does debugging via USB to the phone itself.
It actually surprise...