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制作 macOS Mojave U盘USB启动安装盘方法教程 (全新安装 Mac 系统)
制作 macOS Mojave U盘USB启动安装盘方法教程 (全新安装 Mac 系统) 随着苹果 macOS Mojave 正式版发布，很多使用 Mac... Read More | Share it now!
Install RPM packages
In Ubuntu Linux, installation of software can be done on using Ubuntu Software Center or Synaptic package manager or apt-get command line mode. Not all programs comes in Debian package format and still that are comes in standard RPM... Read More | Share it now!
seq脚本输出01到15的数值
脚本输出1到15不难，比如你写一个for循环： 注意一下｛｝的用法 这样就可以输出1到15了，但是就算你把脚本中的1改成01，也输出不了01 ... Read More | Share it now!
如何导入另一个 Git库到现有的Git库并保留提交记录
https://www.cnblogs.com/huangtailang/p/4730336.html 问题描述： 我在本地有两个Git库项目(D1=PC项目 包含通用项目,D2=移动项目 也包含通用项目这两个项目在同一目录下)，因为这两个项目使用的通用项目是一样的如数据库访问等 只有显示层(view)不一样而已，因为在之前没有很好的规划而导致出现现在的问题，即如果D1里更改了通用项目的文件 那么D2需要先将D1通用项目的更改先合并过来然后再处理D2项目(防止出现差异导致出现问题)，反之也是一样，所以如果通用项目文件经常更新时，我就需要浪费大量的时间在合并这两个Git仓库上 所以要现在要将把这两个库项目合并到一个库里以分支的方式(D1,D2)进行管理(开发PC项目时切换到D1分支，开发移动项目时切换到D2分支) 然后通用项目分别从D1,D2分支迁移出来到新分支Common单独进行管理，然后D1和D2删除通用项目文件 现在我如何将一个库合并到另一个库呢(提交记录必须不能丢失)？经过几天的测试终于解决 需要解决的问题： ... Read More | Share it now!
STORE output to a single CSV?
To set the number of reducers for all Pig opeations, you can use the default_parallelproperty – but this means every single step will use a single reducer, decreasing throughput:set default_parallel 1; Prior to calling STORE, if one of the... Read More | Share it now!
Split by comma and strip whitespace in Python
I would rather end up with whitespace removed like this: I am aware that I could loop through the list and strip() each item but, as this is Python, I’m guessing there’s a quicker, easier and more elegant way of doing it. Use list... Read More | Share it now!
Avro Schema python serialize and deseralize
Seralize and Deseralize avro data with schema ahead import avro.schemafrom avro.datafile import DataFileReader, DataFileWriterfrom avro.io import DatumReader, DatumWriter, BinaryDecoder, BinaryEncoderimport ioclass panAvroDataSchem: def dReader... Read More | Share it now!
‘pip install MySQL-python’ fails with ‘IndexError’ on Mac
By finding out the information that mysql-connector-cmight come to the conclusion that the configuration by brew installation may be incorrect , open the /usr/local/bin/mysql_config script to modify some of the contents of it: change... Read More | Share it now!
Best unarchiver on Mac 解压软件
https://theunarchiver.com/ ... Read More | Share it now!
Python风格规范
https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_style_rules/ 分号 Tip 不要在行尾加分号,... Read More | Share it now!