大约有 23,000 项符合查询结果(耗时:0.0369秒) [XML]

https://stackoverflow.com/ques... 

Convert SVG to image (JPEG, PNG, etc.) in the browser

...s"); var img = canvas.toDataURL("image/png"); // do what you want with the base64, write to screen, post to server, etc... }); share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Failed to install Python Cryptography package with PIP and setup.py

... ships manylinux wheels. This means users with pip 8.1+ running on a glibc-based distribution (almost everything except Alpine Linux) and on x86/x86-64 no longer need a compiler or headers because you'll get a precompiled wheel automatically. With version 3.1 we now also ship aarch64 wheels (which r...
https://stackoverflow.com/ques... 

How to clear basic authentication details in chrome

... echo YXNkc2E6 | base64 -D => asdsa: – whitehat101 Nov 15 '16 at 22:09
https://stackoverflow.com/ques... 

Xcode iOS project only shows “My Mac 64-bit” but not simulator or device

... my case, I have no executale selected and it runs fine... After I fix the Base SDK (under Build Settings) which was oddly wrongly set to "iphoneos" rather than "iOS 5.0" as it should and as it was before. – cregox Jan 6 '12 at 16:33 ...
https://stackoverflow.com/ques... 

PHP random string generator

...dom_pseudo_bytes(10)); // 20 chars In PHP 7 (random_bytes()): $string = base64_encode(random_bytes(10)); // ~14 characters, includes /=+ // or $string = substr(str_replace(['+', '/', '='], '', base64_encode(random_bytes(32))), 0, 32); // 32 characters, without /=+ // or $string = bin2hex(random_b...
https://stackoverflow.com/ques... 

Can functions be passed as parameters?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
https://stackoverflow.com/ques... 

libpthread.so.0: error adding symbols: DSO missing from command line

... above command then OK. /usr/bin/ld: /tmp/node/out/Release/obj.host/v8_libbase/deps/v8/src/base/platform/condition-variable.o: undefined reference to symbol 'pthread_condattr_setclock@@GLIBC_2.3.3' //lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from command line collect2:...
https://www.tsingfun.com/it/cpp/1385.html 

高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术

...好了,现在我们的“山推”系统设计完成了,但是要将它编码实现,还有很远的路要走,细枝末节的问题也会暴露更多。如果该系统用于线上计算,如有大量的Map-Reduce运行于group中,系统将会更复杂,因为此时不光考虑的数据的...
https://stackoverflow.com/ques... 

Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

...onent of the mod operation (they aren't the same). If you look in the GHC Base library you see mod tests for several conditions and adjusts the sign accordingly. (see modInt# in Base.lhs) – Thomas M. DuBuisson Aug 6 '11 at 5:23 ...
https://stackoverflow.com/ques... 

Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...ain, but can be avoided by using dependency breaking idioms. In processors based on Intel Core micro-architecture, a number of instructions can help clear execution dependency when software uses these instruction to clear register content to zero. Break dependencies on portions of registers between ...