Robert Costa zabbarob
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| // playNote(440, 10) will play a 440 Hz sine wave for 10 seconds | |
| // | |
| // Don't forget that the browser requires some user interaction before | |
| // calling the function, otherwise it will block audio output. | |
| // | |
| // Clicking on the web page once should be enough, though. | |
| // | |
| function playNote(freq, duration = 1) { | |
| const context = new AudioContext(); | |
| const oscillator = context.createOscillator(); |
zabbarob
/ load_excel.php
Last active
August 23, 2016 23:19
Read an Excel file with Laravel Excel (https://github.com/Maatwebsite/Laravel-Excel)
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| $sheets = Excel::load($filename)->get(); | |
| $firstSheet = $sheets->first(); | |
| $header = $firstSheet->first(); | |
| $data = $firstSheet->slice(1)->map(function ($row) use ($header) { | |
| return $header->combine($row); | |
| }); |
zabbarob
/ clean-all.sh
Created
August 20, 2016 15:17
Clean cached downloads of various package managers on OS X
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| #!/usr/bin/env bash | |
| # Cleans cached downloads of various package managers on OS X | |
| function myprintf() { | |
| printf "\e[0;35m$1\e[0;m\n" | |
| } | |
| myprintf "Cleaning Homebrew Packages" | |
| brew cleanup | |
| brew cask cleanup |
zabbarob
/ update-all.sh
Last active
August 20, 2016 15:17
Update packages of various package managers on OS X
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| #!/usr/bin/env bash | |
| # Updates packages of various package managers on macOS | |
| function myprintf() { | |
| printf "\e[0;35m$1\e[0;m\n" | |
| } | |
| myprintf "Updating Homebrew Packages" | |
| brew update | |
| brew upgrade |
zabbarob
/ MemoryDbTest.php
Last active
August 20, 2016 15:07
Use in-memory database when running tests for a Laravel application.
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| ... | |
| use Illuminate\Support\Facades\Artisan; | |
| class MemoryDbTest extends \TestCase | |
| { | |
| public function setUp() | |
| { | |
| parent::setUp(); | |
| Artisan::call('migrate'); | |
| // optional: Artisan::call('db:seed', ['--class' => 'TestSeeder']) |
zabbarob
/ echovars.php
Created
December 31, 2013 19:04
Web page that prints out the contents of most predefined variables in PHP.
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| header('Content-Type: text/plain'); | |
| function echoAll($a, $n) { | |
| if ($a) { | |
| echo join(PHP_EOL, array_map(function($key) use ($a, $n) { | |
| return $n . "['$key'] = '$a[$key]';"; | |
| }, array_keys($a))), PHP_EOL; | |
| } | |
| } |
zabbarob
/ which.py
Created
September 15, 2013 22:15
check if an executable exist and where it is stored
From http://stackoverflow.com/questions/377017/test-if-executable-exists-in-python
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| def which(program): | |
| import os | |
| def is_exe(fpath): | |
| return os.path.isfile(fpath) and os.access(fpath, os.X_OK) | |
| fpath, fname = os.path.split(program) | |
| if fpath: | |
| if is_exe(program): | |
| return program | |
| else: |
zabbarob
/ new_gist_file
Created
September 7, 2013 19:39
flatten nested lists in python
From http://stackoverflow.com/questions/2158395/flatten-an-irregular-list-of-lists-in-python
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| def flatten(l): | |
| for el in l: | |
| if isinstance(el, collections.Iterable) and not isinstance(el, basestring): | |
| for sub in flatten(el): | |
| yield sub | |
| else: | |
| yield el |
zabbarob
/ new_gist_file
Created
September 4, 2013 12:16
Unicode to Windows1251
From http://stackoverflow.com/questions/7389651/javascript-character-conversion
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| function toWindows1252(string, replacement) | |
| { | |
| var ret = new Array(string.length); | |
| var i, ch; | |
| replacement = typeof replacement === "string" && replacement.length > 0 ? replacement.charCodeAt(0) : 0; | |
| for (i = 0; i < string.length; i++) | |
| { | |
| ch = string.charCodeAt(i); |
zabbarob
/ window-metrics.reg
Created
June 29, 2013 15:34
Sets various metrics for the Windows 8 GUI, like size of title bar and title bar font, size of scroll bar, border width and desktop icon spacing.
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| Windows Registry Editor Version 5.00 | |
| [HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics] | |
| "CaptionHeight"="-100" | |
| "CaptionFont"=hex:f4,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,\ | |
| 00,00,00,01,00,00,00,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ | |
| 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ | |
| 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 | |
| "ScrollHeight"="-100" | |
| "ScrollWidth"="-100" |
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