Kei wkei

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

所得税（国税）

所得税の計算方法

所得税額 = （所得金額（A）－所得控除額（B）） × 税率 - 税額控除額（C）

「所得金額（A）－所得控除額（B）」は 課税所得金額 といい、1,000円未満の端数を切り捨てる。

所得税の税率

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

Map	Action
<F1>	Causes Netrw to issue help
<cr>	Netrw will enter the directory or read the file
<del>	Netrw will attempt to remove the file/directory
-	Makes Netrw go up one directory
a	Toggles between normal display, hiding (suppress display of files matching g:netrw_list_hide) showing (display only files which match g:netrw_list_hide)
c	Make browsing directory the current directory
C	Setting the editing window
d	Make a directory

Umbrella Challenge

Given a number of people N and an array of integers, each one representing the amount of people a type of umbrella can handle, output the minimum number of umbrellas needed to handle N people.

No umbrella could have left spaces. Which means if a umbrella can handle 2 people, there should be 2 people under it.

If there's no solution, return -1.

	// REFERENCE UNICODE TABLES:
	// http://www.rikai.com/library/kanjitables/kanji_codes.unicode.shtml
	// http://www.tamasoft.co.jp/en/general-info/unicode.html
	//
	// TEST EDITOR:
	// http://www.gethifi.com/tools/regex
	//
	// UNICODE RANGE : DESCRIPTION
	//
	// 3000-303F : punctuation

	First, install nginx for mac with "brew install nginx".

	Then follow homebrew's instructions to know where the config file is.

	1. To use https you will need a self-signed certificate: https://devcenter.heroku.com/articles/ssl-certificate-self
	2. Copy it somewhere (use full path in the example below for server.* files)
	3. sudo nginx -s reload
	4. Access https://localhost/

	Edit /usr/local/etc/nginx/nginx.conf:

	# Mac OS X Lion introduced a new, iOS-like context menu when you press and hold a key
	# that enables you to choose a character from a menu of options. If you are on Lion
	# try it by pressing and holding down 'e' in any app that uses the default NSTextField
	# for input.
	#
	# It's a nice feature and continues the blending of Mac OS X and iOS features. However,
	# it's a nightmare to deal with in Sublime Text if you're running Vintage (Vim) mode,
	# as it means you cannot press and hold h/j/k/l to move through your file. You have
	# to repeatedly press the keys to navigate.

	/** カタカナをひらがなに変換する関数
	* @param {String} src - カタカナ
	* @returns {String} - ひらがな
	*/

	function katakanaToHiragana(src) {
	return src.replace(/[\u30a1-\u30f6]/g, function(match) {
	var chr = match.charCodeAt(0) - 0x60;
	return String.fromCharCode(chr);
	});

	Regex for matching ALL Japanese common & uncommon Kanji (4e00 – 9fcf) ~ The Big Kahuna!
	([一-龯])

	Regex for matching Hirgana or Katakana (*)
	([ぁ-んァ-ン])

	Regex for matching Non-Hirgana or Non-Katakana
	([^ぁ-んァ-ン])

	Regex for matching Hirgana or Katakana or basic punctuation (、。’)