NGINX Fonts Not Loading CORS

Sometimes when we are developing a website, the fonts wont load correctly.  This can look weird and especially so when we are using a font-based icon set like FontAwesome.  If you open up your dev console and see a lot of errors talking about CORS cross origin, you need to add a new header to [...] Read More

ＳＰＡＣＥＤ ＬＥＴＴＥＲＳ

ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ function spacedLetters(str) { var letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; var spacedLetters = 'ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ'; var resp = ''; for(var i = 0; i < str.length; i++) { var char = str[i]; var letInd = letters.indexOf(char); if(letInd != -1) { resp += spacedLetters[letInd]; } else { resp += char; } } return resp; } spacedLetters("Spaced Letters"); Read More

ＷＥＩＲＤ ＡＬＬ ＣＡＰＳ ＬＥＴＴＥＲＳ

I saw a video on youtube with a title consisting of some strange typeface that really stood out. ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ   Here's a javascript function that will convert your text to these characters: function weirdLetters(str) { var resp = ''; for(var i = 0; i < str.length; i++) { var lettCode = str[i].toUpperCase().charCodeAt(0); if(lettCode < 65 [...] Read More

Writing About Code: Fix Smart Quote Issue WordPress. Syntax Highlight With “Code Prettify” Plugin

For people who are sharing code on their wordpress site, there is nothing "smart" about the default feature of wordpress to change stardard double quotes to "smart quotes".  In fact this will often cause the code to not work when the article reader copies the code into their own script.  This is easy enough to [...] Read More

My Page Won’t Update, How To Clear The Cache

One of the more frustrating parts of web/ software development is when you make an improvement to a site's code but nothing changes with the runtime behavior of the script/ site.  The most common reason for this is that your code is cached somewhere.  This can happen on the server or the client.  Make sure [...] Read More

Debugging Errors in PHP and WordPress

Check your code on a php validator like PHP Code Checker   This code should be added at the top of a php file to show errors: error_reporting(E_ALL); error_reporting(-1); ini_set(‘error_reporting’, E_ALL);   If your on wordpress, make sure to enable debug mode in wp-config.php in the root of your site’s web directory: define( ‘WP_DEBUG’, true […]

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Scaling Down Video Size

ffmpeg -i /home/vids/vid.mp4 -vf "[in] scale=1280:720, fps=fps=8" /home/vids/vid_sml.mp4 Many times, video hosting sites have limits to how large a video is.  Also, we may want to use lighterweight videos for components in our sites.  Here is some code that can help your downscale your video dimensions and frame rate: Downsizes the framerate to 8fps and [...] Read More

How To Make Audio/ Video Louder or More Quiet With ffmpeg/ avlib

Louder: ffmpeg -i Mandolin.mp3 -filter:a “volume=+10dB” MandolinLoud.mp3   Quieter: ffmpeg -i Mandolin.mp3 -filter:a “volume=-10dB” MandolinLight.mp3     Ex: Make Video Louder ffmpeg -i Mandolin.mp4 -filter:a “volume=+10dB” MandolinLoud.mp4 If you get a warning error that says: The encoder ‘aac’ is experimental but experimental codecs are not enabled, add ‘-strict -2’ if you want to use it.… […]

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Linux List Files (ls) Alphabetically

Sometimes it is helpful to list all of your files in alphabetical order, one file per line: ls -l /path/to/list Read More

Merge pdfs In Linux

It's often useful to merge multiple pdf files in a single pdf file.  I recently had to do this to merge all my monthly statements into a single pdf to print. Let's take an example where we have a folder full of pdfs in /usr/myPdfs and we want to merge them all together. First, let's get [...] Read More