tingplenting

Extract audio from a YouTube video file

ffmpeg -i INPUT.mp4 -ab 256k OUTPUT.mp3

Cut 3s length

ffmpeg -y -ss 00:00:03 -i INPUT.mp4 -codec copy OUTPUT.mp4

softon

npp_console 1               //open console
NPP_CONSOLE -               //disable output of commands
npe_console m-              //disable unnecessary output
con_colour bg= 191919 fg= F5F5F5    //set console colors
npp_save                //save the file
cd $(CURRENT_DIRECTORY)         //follow current directory
NPP_CONSOLE +               //enable output
IF $(EXT_PART)==.c GOTO C       //if .c file goto C label
IF $(EXT_PART)==.cpp GOTO CPP       //if .cpp file goto CPP label
IF $(EXT_PART)==.java GOTO JAVA     //if .java file goto JAVA label

korjjs

#!/bin/bash

COUNTER=1

SOURCE="source:/folder"

DESTINATION="destination:/folder"

while [ $COUNTER -lt 100 ]; do

tykurtz

GROKKING NOTES

I liked the way Grokking the coding interview organized problems into learnable patterns. However, the course is expensive and the majority of the time the problems are copy-pasted from leetcode. As the explanations on leetcode are usually just as good, the course really boils down to being a glorified curated list of leetcode problems.

So below I made a list of leetcode problems that are as close to grokking problems as possible.

Pattern: Sliding Window

• https://leetcode.com/problems/maximum-subarray/ # Close enough
• https://leetcode.com/problems/minimum-size-subarray-sum/

feliperugai

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chamalis

# Ensure that required tools are installed and available in $PATH
command -v pdftk >/dev/null 2>&1 || { echo >&2 "pdftk is required but was not found.  Aborting."; exit 1; }
command -v exiftool >/dev/null 2>&1 || { echo >&2 "exiftool is required but was not found.  Aborting."; exit 1; }
command -v qpdf >/dev/null 2>&1 || { echo >&2 "qpdf is required but was not found.  Aborting."; exit 1; }

# Ensure that 1 cmdline argument was passed
if [ "$#" -ne 1 ]
then
  echo "Usage: cleanpdf.sh path-to-pdf-file.pdf"
  echo ""

chcesare

// to install this script: install the tampermonkey extension. Then click on "raw" on this github page.

// *perso note:
    //to install or to send update:
    // 1/ edit must be done on github (cf. the url in the tab settings).
    // 2/ Edit/update the script (using the edit github button) + increase the version (or it will ask to reinstall in the next step)
        // (don't need to increase the version if the change are just for myself: just reinstall it to keep the version)
    // 3/ click on RAW (it will show the changes).
    // 4/ Click Update (if needed refresh the dashboard page)

beet

Today

due today
not done

done today