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Gunicorn worker timeout error
...hronous workers assume that your application is resource-bound in terms of CPU and network bandwidth. Generally this means that your application shouldn’t do anything that takes an undefined amount of time. An example of something that takes an undefined amount of time is a request to the internet...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...cc on x86_64. Anyone is welcome to add other architectures like MSVC, ARM, etc.)
Let's have our example program:
// foo.c
typedef struct
{
double x, y;
} point;
void give_two_doubles(double * x, double * y)
{
*x = 1.0;
*y = 2.0;
}
point give_point()
{
point a = {1.0, 2.0};
r...
What is the difference between memoization and dynamic programming?
...? I will take over India first. I will become the Chief Minister of Delhi, etc. etc.
Bottom-up - You say I will become the CM of Delhi. Then will take over India, then all other countries in Asia and finally I will take over the world.
...
How to simulate Android killing my process
... is in the background and the OS decides it needs the resources (RAM, CPU, etc.). I need to be able to simulate this behaviour during testing so that I can ensure that my application is behaving correctly. I want to be able to do this in an automated way so that I can test if the application behaves...
Greenlet Vs. Threads
...to concurrency are usually projects like Twisted, libevent, libuv, node.js etc, where all your code shares the same execution context, and register event handlers.
It's an excellent idea to use greenlets (with appropriate networking support such as through gevent) for writing a proxy, as your handl...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...hers in the same host, which might cause the others crash due to long-time CPU waiting. So I think newFixedThreadPool can be more secure in this kind of scenario. Also this post clarifies the most outstanding differences between them.
– Hearen
May 10 '18 at 3:4...
What is a plain English explanation of “Big O” notation?
... have polynomial complexity or is solvable in polynomial time.
O(n), O(n2) etc. are all polynomial time. Some problems cannot be solved in polynomial time. Certain things are used in the world because of this. Public Key Cryptography is a prime example. It is computationally hard to find two prime f...
Maximum number of threads in a .NET app?
...ion 2.0 of the CLR, the maximum number
of worker threads default to 25 per CPU in the machine
and the maximum number of I/O
threads defaults to 1000. A limit of 1000 is effectively no limit at all."
Note this is based on .NET 2.0. This may have changed in .NET 3.5.
[Edit] As @Mitch pointed out,...
Intro to GPU programming [closed]
...gs of being able to
access processors on both the
graphics card and normal cpu. This is not mainstream technology yet, and seems to be driven by Apple.
CUDA seems to be a hot topic. CUDA is nVidia's way of accessing the GPU power. Here are some intros
...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...统中的操作可以在多个进程中异步进行，这可能引起许多问题，也就是说文件系统不是串行系统。
文件系统具有很大的系统相关性，不同的操作系统提供了不同的文件系统，相同的操作系统也可以存在众多区别。这使得编写具...