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Month: 三月 2016

Python Application Notes: mutable, hashable and iterable

2016-03-01 Updated: 2016-03-01 2.4K

I sometimes encounter problems like TypeError: unhashable type: 'list' while programming. Therefore, I decide to set aside some time to undertand the important Python concepts, mutable, hashable and iterable.

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脚本语言 hashable, immutable, iterable, iteration, mutable, Python 1 Comment

Build a Windows executable from Python scripts on Linux

2016-02-24 Updated: 2016-02-25 13.4K

My main development platform is Ubuntu. The cross-compilation feature is removed from PyInstaller since 1.5. In this article, I’ll show you how to package a Windows executable from Python scripts using PyInstaller under wine.

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脚本语言 exe, PyInstaller, Python, Windows, wine 4 Comments

Read and write Excel files with Python

2016-02-18 Updated: 2016-02-18 3.3K

I would like to do statistical analysis on an Excel file. Rather than learn a new programming language VBA (Visual Basic for Applications), I would rather work with Excel files in Python. This post shows how to read and write Excel files with Python.

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数据分析, 脚本语言 Excel, openpyxl, Python, read, write Leave a comment

NumPy Application Notes: Basic Usage

2016-02-12 Updated: 2016-02-12 995

I learn of NumPy while seeking one way to read a text file effectively. Therefore, I decide to put some notes here for convenient access.

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脚本语言 loadtxt, NumPy, Python, savetxt 2 Comments

Calculate minimum dominating sets

2016-02-03 Updated: 2016-02-03 3.4K

This blog takes notes of dominating sets and shows how to calculate its value with the Python package, NetworkX.

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数学 CDS, dominating set, domination number, NetworkX Leave a comment

直观理解虚数i

2016-02-01 Updated: 2016-02-02 2.9K

再次读了《Math, Better Explained: Learn to Unlock Your Math Intuition》虚数部分,这次做点笔记。

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数学 共轭复数, 复数, 直观数学, 虚数 Leave a comment

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