richard512
/ pdf2png.sh
Created
November 28, 2018 05:17
Convert all PDF files in a directory to JPG files using Linux ImageMagick
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| convert -density 300 *.pdf -set filename:f '%t' '%[filename:f].jpg' |
richard512
/ underscan_DVI.sh
Created
November 28, 2018 05:05
set linux DVI output to shrink the video output to fit the screen
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| xrandr --output DVI-0 --set underscan on |
richard512
/ VideoWriterTest.py
Created
November 27, 2018 21:08
— forked from chriscollins/VideoWriterTest.py
Quick Python program for testing VideoWriter instantiation
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| import cv2 | |
| destination_file = 'video.avi' | |
| fps = 10.0 | |
| size = (640, 480) | |
| codecs = [ | |
| '4XMV', | |
| 'AASC', | |
| 'AP41', |
richard512
/ web-naive-bayes.js
Created
July 26, 2018 07:57
JavaScript Naive Bayes Classifier -- Web Browser Compatible
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| needsClassifier = (typeof Classifier === 'undefined') | |
| if (needsClassifier) { | |
| Classifier = class { | |
| constructor() { | |
| this.dict = {}; | |
| this.categories = {}; | |
| this.wordList = []; | |
| this.categoryList = [] | |
| } | |
| static validate(token) { |
richard512
/ video2mp3.sh
Last active
May 30, 2018 23:24
Linux BASH script to convert all webm and mp4 video files in a directory to mp3
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| for FILE in music/*.{mp4,webm}; do | |
| if [ ! -f "${FILE%.webm}.mp3" ]; then | |
| #echo "File not found: ${FILE%.webm}.mp3" | |
| echo -e "Processing video '\e[32m$FILE\e[0m'"; | |
| ffmpeg -i "${FILE}" -vn -ab 128k -ar 44100 -y "${FILE%.webm}.mp3"; | |
| fi | |
| done; |
richard512
/ reddit-stylesheet-variables.htm
Created
May 30, 2018 19:13
Replace Reddit Stylesheet URLs with Reddit URL Variables -- Example: url(http://...) becomes url(%%01%%)
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| <!-- | |
| Created using JS Bin | |
| http://jsbin.com | |
| Copyright (c) 2018 by anonymous (http://jsbin.com/nexafujuxu/1/edit) | |
| Released under the MIT license: http://jsbin.mit-license.org | |
| --> | |
| <meta name="robots" content="noindex"> | |
| <textarea id="code">*{ |
richard512
/ mysql_id_column.sql
Last active
May 27, 2018 02:25
MySQL Add Auto-Increment Primary Key Column (Unsigned BIGINT) to existing MySQL Table -- Useful when you want a unique identifier for each column
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| ALTER TABLE `tablename` ADD COLUMN id BIGINT UNSIGNED AUTO_INCREMENT, ADD PRIMARY KEY `id` (`id`) |
richard512
/ airbnb-search.py
Created
November 29, 2017 16:16
— forked from prehensile/airbnb-search.py
A Python script which crawls airbnb search results for a given set of keywords.
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| #!/usr/bin/env python | |
| ######################### | |
| # airbnb-search.py | |
| ######################### | |
| # by prehensile, 18/07/17 | |
| ######################### | |
| # Crawl airbnb search results (descriptions and reviews) for keywords. | |
| # A quick, dirty and brittle set of hacks. | |
| # Very likely to break the next time anything changes in airbnb's HTML. |
richard512
/ MakeDateColumn.vba
Created
October 27, 2017 01:49
Finds last column value in the first row and makes a date column from it
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| Sub MakeDateColumn() | |
| If Range("A1").Value = "Date" Then | |
| MsgBox "Already have Date column" | |
| Exit Sub | |
| End If | |
| With Range("A1:Z1") | |
| Set c = .Find(2, LookIn:=xlValues) | |
| If Not c Is Nothing Then | |
| strDate = c.Value |
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| Sub Append2CSV(CSVFile As String, CellRange As String) | |
| Dim tmpCSV As String 'string to hold the CSV info | |
| Dim f As Integer | |
| f = FreeFile | |
| Open CSVFile For Append As #f | |
| tmpCSV = Range2CSV(Range(CellRange)) | |
| Print #f, tmpCSV | |
| Close #f | |
| End Sub |
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