JavaScript’s NaN stands for ‘Not a Number’. This is used when an operation that should have returned a number has failed. NaN used in any operation will always return NaN. NaN is not equivalent to any value, including itself. (NaN == NaN) returns false. You can test this value with the isNaN() function. Booleans, strings […]
JavaScript Numbers: Number(), parseInt(), parseFloat() Read More »
Uninitialized variables show as a type of undefined. So do variables that haven’t been declared at all. We should always initialize variables so that we know that undefined means we haven’t declared the variable. null is an empty object pointer. We should initialize objects to null so that the typeof will return the correct data
JavaScript Variables: Initialization, Booleans, and Numbers Read More »
Everything in JavaScript is case-sensitive. Characters in an identifier name (variable, function or property) can be letters, numbers, underscore or dollar sign. The first character can not be a number. Of course, keywords can not be used as identifiers. Using camelCase for identifiers is the best case practice. Comments in JavaScript are // for single
JavaScript Identifiers and Conventions Read More »
I have decided to spend more of my time and energy learning more JavaScript and to keep the notes here for me to look back at, as well as to help others who may also be interested in learning more JavaScript programming. I don’t think JavaScript is going away anytime soon because it’s now on
I have a SAMSUNG SyncMaster T260HD Monitor hooked to my iMac as my second monitor. I’ve had it for about 5 or 6 years and I love it. Sometimes I wish it were a little bigger, but otherwise it’s perfect. It is a TV and a Monitor. I’ve used it as a TV a couple
I remember when I first started using Symfony 1.0 in a PHP web development shop. We had backend programmers, front-end developers and designers. The designer would create the design. Then, the front-end developer would create the html/css with place-holders for the dynamic data from the design. And then I would go in and replace the
Symfony Getting Started – The View Tutorial – Twig Read More »
I was asked by two people yesterday this question: “What’s the best way to build my website?” One had started on Wix and was running into limitations and was thinking about WordPress.com. The other was on Weebly and having some complications. It’s a very good question. I’ll give you MY opinion. Wix.com, Weebly.com, SquareSpace.com and
Wix, Weebly or WordPress – What's the Best Way to Build Your First Website? Read More »
Symfony 2.5, which I’m planning to install, requires PHP Version 5.4 or higher. I checked my web server where the site will ultimately be deployed. It’s using PHP 5.4.35. MAMP is using PHP 5.4.30 on my localhost. And my computer terminal app gives me PHP 5.5.14 so I should be good. I found the web
Checking the PHP Version for my Website Read More »
I am switching all my sites AND my clients sites from the Shareaholic plugin to the Monarch Social Sharing plugin. I REALLY liked Shareaholic. I loved the way it looked, the way it worked… I really loved most everything about it. Until I found out they were cheating me and every other user of their
Goodbye Shareaholic – Hello Monarch Read More »
I found a cool little tool that lets me add notifications to my desktop from my websites – Hooks. It was easy to install and get working. After I downloaded the Mac app which gave me my API key, I included the javascript file in my html page. Now I can use one small javascript
Displaying Notifications from your Website on your Mac Desktop – Hooks Read More »
