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Does Python support multithreading? Can it speed up execution time?
...tween threads.
What the GIL prevents then, is making use of more than one CPU core or separate CPUs to run threads in parallel.
This only applies to Python code. C extensions can and do release the GIL to allow multiple threads of C code and one Python thread to run across multiple cores. This ext...
What's a good rate limiting algorithm?
...ng, you definitely do not want to use time.clock(), which measures elapsed CPU time. CPU time can run much faster or much slower than "actual" time. You want to use time.time() instead, which measures wall time ("actual" time).
– John Wiseman
Dec 21 '15 at 23...
The application may be doing too much work on its main thread
... in a vast array of hardware unlike ios
and windows devices. The RAM and CPU varies and if you want a
reasonable performance and user experience on all the devices then you
need to fix this thing. When frames are skipped the UI is slow and
laggy, which is not a desirable user experience.
...
How to 'bulk update' with Django?
...10's to 100's. The size of the batch that is right for you depends on your CPU and query complexity. This tool is more like a wheel barrow than a dump truck.
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Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...p into your build/deployment scripts. The advantages are:
It requires no CPU for Apache to gzip the content when the file is requested.
The files are gzipped at the highest compression level (assuming gzip -9).
You're serving the file from a CDN.
Assuming that your CSS/JavaScript files are (a) m...
Difference between static memory allocation and dynamic memory allocation
...ister' variables. As expected, register variables should be allocated on a CPU's register, but the decision is actually left to the compiler. You may not turn a register variable into a reference by using address-of.
register int meaning = 42;
printf("%p\n",&meaning); /* this is wrong and will...
Going from a framework to no-framework [closed]
...ating engine. Featurewise it's almost identical to Smarty but doesn't melt CPU's.
– Phil Sturgeon
Oct 11 '10 at 11:21
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互联网数据造假盛行 浮夸风伤害创新经济 - 资讯 - 清泛网 - 专注C/C++及内核技术
...今年3月同样公开指出，IT产业与互联网产业存在很大诚信问题，出现严重的数据造假，甚至出现“税前营业额”这种奇怪的名词。
数据造假乱象
本应艰辛励志的创业故事开始变得浮躁起来，数据造假和各种谎言在互联网行业...
What are Transient and Volatile Modifiers?
...le variable will be read from the computer's main memory, and not from the CPU cache, and that every write to a volatile variable will be written to main memory, and not just to the CPU cache.
2) transient keyword cannot be used along with static keyword but volatile can be used along with static.
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What are some resources for getting started in operating system development? [closed]
...as already laid out for you. For example, contact Intel and ask them for a CPU card for your type of CPU! This will lay it out for you - the "pin-outs", interrupts, opcodes, you name it!
Remember the hardware makes it all possible. Study the hardware. You won't regret it.
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