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How to download image using requests
... images already have their own compression. It's counterproductive, wastes CPU cycles with little benefit. So while this may be an issue with text content, specifically with images it's not.
– phette23
Sep 11 '14 at 4:19
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Python: How to create a unique file name?
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@ToloPalmer: It's more likely that your computer's CPU has a processing error that causes it to load the wrong file than it is a generated UUID collides with any existing value. UUID produces a unique name in a model of computing that understands not all computation is pure m...
Grepping a huge file (80GB) any way to speed it up?
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If you have a multicore CPU, I would really recommend GNU parallel. To grep a big file in parallel use:
< eightygigsfile.sql parallel --pipe grep -i -C 5 'db_pd.Clients'
Depending on your disks and CPUs it may be faster to read larger blocks:
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How do I automatically update a timestamp in PostgreSQL
... Says so in the Postgres documentation of the types. Varchar has extra CPU cycles to check for the constraint, which doesn't happen on TEXT.
– Rahly
Jun 21 '17 at 15:50
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What does 'synchronized' mean?
...queue and starts executing. In the above example, THREAD 3 happened to get CPU before THREAD 2.
– Sahil J
Apr 7 '17 at 6:07
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What is the fastest way to send 100,000 HTTP requests in Python?
...it(1)
This one is slighty faster than the twisted solution and uses less CPU.
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[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...类的实现。打印及打印预览是编写应用程序经常要解决的问题，为了理解VC++对话框程序的打印及打印预览实现,要先掌握基于文档/视图的应用程序打印及打印预览的基本原理。所以分为两部分介绍。
一、基于文档/视图的应用程...
Formula to determine brightness of RGB color
... if you do it as: Y = (R<<1+R+G<<2+B)>>3 (thats only 3-4 CPU cycles on ARM) but I guess a good compiler will do that optimisation for you.
– rjmunro
Mar 11 '15 at 11:16
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Difference between string and text in rails?
... increased storage space when using the blank-padded type, and a few extra CPU cycles to check the length when storing into a length-constrained column. While character(n) has performance advantages in some other database systems, there is no such advantage in PostgreSQL; in fact character(n) is usu...
When does System.gc() do something?
...generations in a multi-generational heap), then it can actually cause MORE cpu cycles to be consumed than necessary.
In some cases, it may make sense to suggest to the VM that it do a full collection NOW as you may know the application will be sitting idle for the next few minutes before heavy lift...