大约有 3,000 项符合查询结果（耗时：0.0323秒） [XML]
How to run a program without an operating system?
...oot the computer from a flash drive and it runs the program that is on the CPU?
3 Answers
...
Why does Double.NaN==Double.NaN return false?
...cluding NaN. This is part of the IEEE 754 standard and implemented by the CPU/FPU. It is not something the JVM has to add any logic to support.
http://en.wikipedia.org/wiki/NaN
A comparison with a NaN always returns an unordered result even when comparing with itself. ... The equality and ine...
Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
...到错误908（权限接收短信）的讨论。一位用户遇到了这个问题，并询问是否有人知道如何解决。其他用户提供了一些可能的解决方案，包括检查应用程序权限设置、确保手机上的权限设置正确、重新编译应用程序等。有人建议检...
Android AsyncTask threads limits?
...ince API 19 the core thread pool size was changed to reflect the number of CPUs on the device, with a minimum of 2 and maximum of 4 at start, while growing to a max of CPU*2 +1 - Reference
// We want at least 2 threads and at most 4 threads in the core pool,
// preferring to have 1 less than the C...
Once upon a time, when > was faster than < … Wait, what?
...son. Remember: we're talking about graphics hardware depth tests, not your CPU. Not operator<.
What I was referring to was a specific old optimization where one frame you would use GL_LESS with a range of [0, 0.5]. Next frame, you render with GL_GREATER with a range of [1.0, 0.5]. You go back a...
GPU Emulator for CUDA programming without the hardware [closed]
...sed tool designed to
effectively compile the CUDA programming model to a CPU architecture.
It might be useful. Here is a link to the website.
CUDA Waste
It is an emulator to use on Windows 7 and 8. I've not tried it though. It doesn't seem to be developed anymore (the last commit is dated on ...
Execution time of C program
...OCKS_PER_SEC is a constant which is declared in <time.h>. To get the CPU time used by a task within a C application, use:
clock_t begin = clock();
/* here, do your time-consuming job */
clock_t end = clock();
double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
Note that this retur...
node.js child process - difference between spawn & fork
...o node processes per core, perhaps more for machines with a good ram clock/cpu clock ratio, or for node processes heavy on I/O and light on CPU work, to minimize the down time the event loop is waiting for new events. However, the latter suggestion is a micro-optimization, and would need careful be...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...IMEOUT 设置连接等待时间
7. CURLOPT_FOLLOWLOCATION
设置重定位URL
CURLOPT_RANGE: CURLOPT_RESUME_FROM:
断点续传相关设置。CURLOPT_RANGE 指定char *参数传递给libcurl，用于指明http域的RANGE头域，例如：
表示头500个字节：bytes=0-499
表示第二个...
How many system resources will be held for keeping 1,000,000 websocket open? [closed]
...active socket connections is possible for a properly sized system (lots of CPU, RAM and fast networking) and with a tuned server system and optimized server software.
The number of connections is not the primary problem (that's mostly just a question of kernel tuning and enough memory), it is the p...