vladislav805

With description

browser.download.improvements_to_download_panel

Disables the new behavior when downloading a file. source

Versions: Firefox >=98. Earlier (false): a window opens with a choice of "Open in" and "Save". Now (true): a window with saving opens immediately.

browser.urlbar.trimURLs

Disable trim protocol in address bar.

vladislav805

Windows cheatsheet

Disable fast startup

1. Right click by "Start";
2. "Search";
3. Find Control panel;
4. Find Power options;
5. In left side "Choose what the power buttons do";

Disable Photos app, enable legacy Photo viewer

vladislav805

Arch Linux

Install Arch Linux with EFI

1. Download ISO from official site
2. Burn the ISO to a USB flash using Rufus with Partition Scheme = GPT, Target = EFI (non CSM).
3. Boot to BIOS/UEFI, disable CSM.
4. Boot from USB flash with EFI.
5. Check connection with Internet

ping -c 2 google.com

vladislav805

Pacman

-S: Installing wiki

Install package

# pacman -S package

-Sy, -Syy

Sync (analog apt update). Double y - force sync.

-Su

vladislav805

TARGET_BRANCH="master"
TEMPORARY_BRANCH="temp"

git branch "$TEMPORARY_BRANCH"
git checkout "$TEMPORARY_BRANCH"
git branch -f "$TARGET_BRANCH" "$TEMPORARY_BRANCH"
git checkout "$TARGET_BRANCH"
git branch -d "$TEMPORARY_BRANCH"

vladislav805

ffmpeg tips

Official docs

Examples

Download HLS to file

ffmpeg -i input.m3u8 -c copy -bsf:a aac_adtstoasc output.mp4

vladislav805

#!/bin/bash

TOKEN="..."

echo "Enter URL to video (in format OID_VID)"

read vkUrl
#vkUrl="203384908_456239021"

hls=$(wget -qO - "https://api.vk.com/method/video.get?videos=$vkUrl&access_token=$TOKEN&v=5.56" | grep -iowE "hls\"\:\"http[^\"]*\"" | grep -iowE "http.[^\"]*" | sed 's!\\/!/!g')

vladislav805

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Scanner;

public class Gauss {

    public static void swapRows(double[][] a, double[] b, int i, int j) {
        double[] row = a[i];

vladislav805

<?

function reArrayFiles(&$files) {
	$result = [];
	$keys = array_keys($files);

	for ($i = 0, $l = sizeof($files["name"]); $i < $l; $i++) {
		foreach ($keys as $key) {
			$result[$i][$key] = $files[$key][$i];
		};

vladislav805

Number.prototype.toData = function() {
	if (this <= 0) {
		return "0 bytes";
	};

	var n;
	for (var i = 5; i >= 0; --i) {
		n = Math.round(this / Math.pow(1024, i) * 10) / 10;
		if (n >= 1) {
			return n + " " + ["b", "KB", "MB", "GB", "TB"][i]);