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What is the string length of a GUID?
...back and forth in translating it. What you are suggesting is slightly more CPU intensive than just reading/writing the value, which is what you want in practice.
– LongChalk
May 14 '18 at 12:19
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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...
What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
.... I was test it with 300K rows, query response time is good. ( 2 x 2.67GHz CPU, 2 GB RAM, MySQL 5.5.49 )
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Resetting generator object in Python
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The downside of option 1 is that it computes the values again. If that's CPU-intensive you end up calculating twice. On the other hand, the downside of 2 is the storage. The entire list of values will be stored on memory. If there are too many values, that can be unpractical.
So you have the clas...
Changing the interval of SetInterval while it's running
...wers OP (and my) question. setTimeout is subject to being delayed (by 100% cpu use, other scripts, etc) where as setInterval IS NOT affected by those delays--making it far superior for 'realtime' stuff
– RozzA
Dec 26 '13 at 20:59
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Changing one character in a string
...ing Python, and that language is a total mess. Regarding your note on fast CPUs I'm totally with you. But a part of that problem is the popular disapproval of premature optimization, which leads to slow interpreters and libraries by leaking lots of CPU cycles on the way.
– Bach...
【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...据库,所以移动站调用的链接也是带www.的,要解决这个问题就用{str_replace(‘http://www.’,’http://m.’,$r[url])}这个方法,当然这个也是要灵活使用,例如:{str_replace(‘A’,’B’,C)},意思是如果C的内容中出...
Counting the number of True Booleans in a Python List
... I would suggest to use count as I did in count_it.
Python version: 3.6.7
CPU cores: 4
RAM size: 16 GB
OS: Ubuntu 18.04.1 LTS
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Fast ceiling of an integer division in C / C++
...to a single case.
Probably not a huge benefit on a modern general-purpose CPU, but this would be far faster in an embedded system than any of the other correct answers.
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BLE(四)嗅探工具 - 创客硬件开发 - 清泛IT社区,为创新赋能!
...gle稳定,经常会抓不到后面数据通信的网络包,不过这一问题应该是可以通过优化算法得到解决的,但需要对官方的固件进行逆向或自己根据Nordic公司提供的BLE协议栈重写代码。。
优点:
价格便宜,USB Dongle淘宝价70...