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What's the difference between compiled and interpreted language?
...ist.
Basically, compiled code can be executed directly by the computer's CPU. That is, the executable code is specified in the CPU's "native" language (assembly language).
The code of interpreted languages however must be translated at run-time from any format to CPU machine instructions. This tr...
Does ruby have real multithreading?
...real "OS-level" threads in my application in order to make use of multiple cpu cores for processing?
9 Answers
...
How to count the number of set bits in a 32-bit integer?
...ount' or 'sideways addition'.
The 'best' algorithm really depends on which CPU you are on and what your usage pattern is.
Some CPUs have a single built-in instruction to do it and others have parallel instructions which act on bit vectors. The parallel instructions (like x86's popcnt, on CPUs where ...
LinkedIn联合创始人：初创企业早期别花钱买用户 - 资讯 - 清泛网 - 专注C/C...
...程是如何运作的”的数据以及信息，虽然他们设计的招聘问题很有趣，但事实上经过专业训练的HR都不会提出(Google报告里)这些问题，这些问题的设计者，要是很熟悉HR问的问题但又不拘泥于传统观念的人，他也必须是要理解招聘...
Parallelize Bash script with maximum number of processes
... want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs processes at ...
I get a “An attempt was made to load a program with an incorrect format” error on a SQL Server repli
... dropdown, but the only item in the dropdown in both cases is "Active (Any CPU)".
– B. Clay Shannon
Aug 26 '13 at 19:12
...
Calculate a Running Total in SQL Server
...)
FROM #t b
WHERE b.ord <= a.ord) AS b
FROM #t a
-- CPU 11731, Reads 154934, Duration 11135
Test 2:
SELECT a.ord, a.total, SUM(b.total) AS RunningTotal
FROM #t a CROSS JOIN #t b
WHERE (b.ord <= a.ord)
GROUP BY a.ord,a.total
ORDER BY a.ord
-- CPU 16053, Reads 15493...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...oing slow. It's a rich drawing API, which requires its work be done on the CPU, as opposed to a lot of UIKit work that is offloaded to the GPU. If you had to animate a ball moving across the screen, it would be a terrible idea to call setNeedsDisplay on a view 60 times per second. So, if you have su...
Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...体系, 可以表示最多256个符号.
但是, 这里又出现了新的问题. 不同的国家有不同的字母, 因此, 哪怕它们都使用256个
符号的编码方式, 代表的字母却不一样. 比如, 130在法语编码中代表了é, 在希伯来语
编码中却代表了字母G...
How many concurrent requests does a single Flask process receive?
...ory with other processes. Gunicorn is here only to utilize multiprocessing CPU architectures but not handles those issues.
– adkl
Jun 25 '19 at 9:57
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