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What is a good regular expression to match a URL? [duplicate]
... a bit more info on the comment by @RubenMartinezJr. - it does max out the CPU on Chrome and Firefox (Mac OS), but interestingly does not max out the CPU on Safari.
– rinogo
Nov 9 '17 at 14:46
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What is the difference between concurrent programming and parallel programming?
...O bound but not always, e.g. concurrent garbage collectors are entirely on-CPU. The pedagogical example of a concurrent program is a web crawler. This program initiates requests for web pages and accepts the responses concurrently as the results of the downloads become available, accumulating a set ...
Java's Virtual Machine and CLR
... VM's, with no notion of "registers" like we're used to seeing in a modern CPU like the x86 or PowerPC. The evaluation of all expressions ((1 + 1) / 2) is performed by pushing operands onto the "stack" and then popping those operands off the stack whenever an instruction (add, divide, etc) needs to ...
Effective method to hide email from spam bots
...is a billion-dollar business and the spammer's aren't even using their own CPU cycles to scrape the screens. In fact, they have already read this conversation and have adjusted their methods accordingly. Anything computer readable is going to be readable by the bots. Whether it be executed by CSS o...
C# DateTime.Now precision
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Why would DateTime.Now be made less precise than what most CPU clocks could handle?
A good clock should be both precise and accurate; those are different. As the old joke goes, a stopped clock is exactly accurate twice a day, a clock a minute slow is never accurate at any time. Bu...
MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...辑的处理。
Application Model MVC虽然看似解决了复杂逻辑的问题，但它仍然存在硬伤：
首先随着以微软视窗为主的图形化操作系统的兴起，操作系统本身提供了一套原生的View接口，用来截获用户通过鼠标或键盘发出的请求，结果...
Which is faster in Python: x**.5 or math.sqrt(x)?
... Took 0.157436 seconds Took 0.093905 seconds Target system: Ubuntu Linux CPU: Intel(R) Core(TM)2 Duo CPU T9600 @ 2.80GHz As you can see I got different results. According to this your answer is not generic.
– zoli2k
Apr 23 '10 at 3:37
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...ly benchmarking the disk, and not Java. I would also suggest that if your CPU is not busy, then you are probably experiencing some other bottleneck.
Don't use a buffer if you don't need to.
Why copy to memory if your target is another disk or a NIC? With larger files, the latency incured is non-...
What is the most effective way for float and double comparison?
...le floating-point operation is 0.5
// units in the last place. On Intel CPU's, all floating-point
// calculations are done with 80-bit precision, while double has 64
// bits. Therefore, 4 should be enough for ordinary use.
//
// See the following article for more details on ULP:
// htt...
Unable to load DLL 'SQLite.Interop.dll'
...eferencing it to use a Platform target of 'x86' or 'x64', rather than 'Any CPU'.
– Andrew Stephens
Jun 8 '15 at 10:02
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