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UnicodeDecodeError when redirecting to file

...In fact, you can check what encoding the terminal expects: % python Python 2.7.6 (default, Nov 15 2013, 15:20:37) [GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> print sys.st...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

... 关于我们 免责申明 联系我们 手机版   IT搜索 下载栏目 图片栏目 网站地图 IT技术 C/C++ 开源 & Github 数据库(内核) 大数据 & AI 其他 IT专题 还在用Java开发安卓App?你out啦! 轻松创APP ...
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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术

...构的operator==来进行索引的依据,这些吃亏不讨好的方法我在这里就不再重复讨论了,让我们进入本章的正题,使用multi_index_container,没错,它可以轻松的帮你解决如上的所有问题,Let's go! 让我们先创建一些结构: // 课程 s...
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一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...方向 第一个是Hadoop 商业化,简单来说就是做Hadoop的收费版本。Hadoop本来是开源的,但是在具体业务场景中,还缺乏很多功能,那么Hadoop 商业化就是去完善这些功能,使其更好的应用于企业的业务场景。Hadoop 商业化最典型的公...
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Running Bash commands in Python

...e all of the following. subprocess.check_output() was introduced in Python 2.7 / 3.1. It is basically equivalent to subprocess.run(..., check=True, stdout=subprocess.PIPE).stdout subprocess.check_call() was introduced in Python 2.5. It is basically equivalent to subprocess.run(..., check=True) subp...
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Cartesian product of x and y array points into single array of 2D points

.... dev. of 7 runs, 100 loops each) cartesian_product_transpose: 7.76 ms ± 52.7 µs per loop (mean ± std. dev. of 7 runs, 100 loops each) cartesian_product_recursive: 13 ms ± 209 µs per loop (mean ± std. dev. of 7 runs, 100 loops each) cartesian_product_itertools: 422 ms ± 7.77 ms per loop (mean...
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Why is it slower to iterate over a small string than a small list?

...7)) for _ in range(100000)]' '[x for x in iterable]' 100 loops, best of 3: 2.77 msec per loop >>> python2 -m timeit -s 'import random; iterable = "".join(chr(random.randint(0, 127)) for _ in range(100000))' '[x for x in iterable]' 100 loops, best of 3: 2.32 msec per loop >>> p...
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What are metaclasses in Python?

...s the Python 3 syntax for metaclasses. See Python 3.6 Data model VS Python 2.7 Data model – TBBle Jun 13 '17 at 13:22 ...
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...但请声明作者以及来源。 正则表达式30分钟入门教程 版本:v2.31 (2009-4-11) 作者:deerchao 转载请注明来源 目录 跳过目录 本文目标 如何使用本教程 正则表达式到底是什么东西? 入门 测试正则表达式 元字符 字符转义 ...
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Python base64 data decode

...ny beginner programmer would know, you would print the results out: Python 2.7x: print code_string Python 3.x: print(code_string) After the successful decoding, you will get a string about the size of the not yet decoded string. I hope this helps you! ...