Yatakeke a.k.a Agile Zamurai yatakeke

git rm --cached 'file name' ファイルを管理対象から外す(-rでディレクトリごと)

git stash 一時的に変更を保存する

git stash apply stash@{num} 一時的に保存した変更を元に戻す

git checkout

pythonにおけるstacktraceは、例外発生時に、sys.las_traceback という変数にtracebackオブジェクトとして格納される。その中身を参照するためにsys.exc_info()が用意されている。

reference

	sorted(iterable, key)
	# - iterable: list, dict
	# - key: function called to each element before comparison

	score = {'kokugo': 33, 'sansuu': 85, 'eigo': 60}
	# when you want to sort by key
	score_sorted = sorted(score.items(), key=lambda x:x[0])

	# when you want to sort by value
	score_sorted = sorted(score.items(), key=lambda x:x[1], reverse=True)

	import matplotlib.pyplot as plt

	plt.pie(fraction, startangle, wedgeprops, autopct, explode, **)
	# example: plt.pie(frac, startangle=90, wedgeprops={'linewidth': 3, 'edgecolor':"white"}, autopct="%1.1f%%", explode=[0.2, 0, 0, 0, 0]
	# fraction: total of fraction should be 1
	# startangle: startangle
	# wedgeprops: edge props
	# autopct: show percentage
	# explode: array for explode

	# linecache module allows one to get any line fromm python source code file

	import linecache
	linecache.getline(filename, line_number, module_globals=None)
	# get line line_number from file named filename
	# ex. line = linecache.getline('./test.txt', 8)
	# get 8th line from test.txt

	import pandas as pd

	# save single sheet for excel file
	df.to_excel(fp, index=True, columns=True)

	# save multiple sheets for excel file
	with pd.ExcelWriter(fp) as writer:
	df1.to_excel(writer, sheet_name='sheet1')
	df2.to_excel(writer, sheet_name='sheet2')

	import pandas as pd
	pd.concat([df1, df2], axis=0, ignore_index=False)

	import torch

	# save parameters
	torch.save(model.state_dict(), PATH)

	# load parameters
	model = ModelClass(args, *kwargs)
	model.load_state_dict(torch.load(PATH))