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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...nction wmain fatal error LNK1120: 2 unresolved externals 出现这个问题原因是: 汇编源文件再编译以后,函数名称以及变量名称没有做任何的更改,而C++源码在经过C++编译器编译以后,函数名称和变量名称都已经有过变化(可查看编译...
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clang: how to list supported target architectures?

...t;vendor>-<sys>-<abi>, where: arch = x86, arm, thumb, mips, etc. sub = for ex. on ARM: v5, v6m, v7a, v7m, etc. vendor = pc, apple, nvidia, ibm, etc. sys = none, linux, win32, darwin, cuda, etc. abi = eabi, gnu, android, macho, elf, etc. and you can even fine tune specify a target cp...
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How do I tar a directory of files and folders without including the directory itself?

...ssed. Consider the following command: tar --create --file=foo.tar -C /etc passwd hosts -C /lib libc.a" apl.jhu.edu/Misc/Unix-info/tar/tar_65.html I always try tar -czvf my_directory.tar.gz * -C my_directory and that does not work. -C location is important! Damn tar... – m-ric...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

... This depends on what you actually call "mutex", OS mode and etc. At minimum it's a cost of an interlocked memory operation. It's a relatively heavy operation (compared to other primitive assembler commands). However, that can be very much higher. If what you call "mutex" a kernel ob...
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Using pip behind a proxy with CNTLM

.../pip.conf (or ~\pip\pip.ini if you're on Windows): [global] proxy = [user:passwd@]proxy.server:port That's it. No need to use third party packages or give up HTTPS (of course, your network admin can still see what you're doing). ...
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How many concurrent requests does a single Flask process receive?

...pends on the nature of your app, its environment, the hardware it runs on, etc. More details can be found on Gunicorn's design page and notes on how gevent works on its intro page. share | improve ...
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When to use PNG or JPG in iPhone development?

...fect" (e.g. small icons) or as a part of a composited transparent overlay, etc. share | improve this answer | follow | ...
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How does the ARM architecture differ from x86? [closed]

...se */ while on ARM shortest form might look like (without error checking etc.) top: ldrb r2, [r0, #1]! /* load a byte from address in r0 into r2, increment r0 after */ ldrb r3, [r1, #1]! /* load a byte from address in r1 into r3, increment r1 after */ subs r2, r3, r2 /* subtract r2 from r3 and...
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开源MQTT网关:EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区,为创新赋能!

...底层传输协议 QUIC 的支持,以解决复杂网络环境下的通信问题,提升整体吞吐量和移动连接的稳定性。此外,EMQX 也扩展支持 MQTT-SN、CoAP、LwM2M、STOMP 以及其他协议扩展。安全性安全性对于物联网设备连接以及设备之间、设备与...
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Lock-free multi-threading is for real threading experts

... Most of the classic lock-free structures (lists, queues, concurrent maps, etc) had no spinning even for shared mutable structures, and practical existing implementations of the same in, for example, Java follow the same pattern (I'm not as familiar with what's available in native-compiled C or C++ ...