Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today! Firebug is a Firefox add-on which integrates a host of essential web development tools into the browser. A powerful source editor shows you the HTML source as it's being transformed by JavaScript, highlighting changes as they happen so they're easy to spot. You can view the properties of any individual element in a click or two, click on page objects to instantly see the HTML and CSS behind them, and even create, edit or delete HTML elements and see the changes right away. Firebug's CSS tools make it easy to see which rules are styling individual page elements. Or you can view entire style sheets, if you prefer. If there are problems then you're able to disable any CSS property in a click, just to see how a page appears without them. And not only does Firebug allow you to edit CSS properties, it also knows which keywords you can use, so you don't have to remember every option yourself: just press the Up and Down arrows and the program will cycle through all the possibilities. Firebug also includes a very powerful JavaScript debugger, which is able to step through scripts, can pause execution on particular lines, break on errors, watch expressions, and more. Or, if everything works, but performance is poor and you're not sure why, then Firebug's JavaScript profiler could help you figure out the problem. Other tools on offer will help you to check page load times, understand JavaScript, CSS or XML errors, or log in-depth details on what's happening as your page runs. Version 2.0.19 (). WhatsApp Messenger is the world's most popular instant messaging app for smartphones. You can use it to send and receive text and voice messages, photos, videos, even call your friends in other countries, and because it uses your phone's internet connection it might not cost you anything at all (depending on whether you'll pay data charges). It's easy to set up and use. There's no need to create and remember new account names or pins because it works with your phone number, and uses your regular address book to find and connect you with friends who use WhatsApp already. You can talk one-to-one or in group chats, and because you're always logged in there's no way to miss messages. Even if your phone is turned off, WhatsApp will save your messages and display them as soon as you're back online. There's plenty more (location sharing, contact exchange, message broadcasting) and the app is free for a year, currently $0.99/ year afterwards. What's New in Version 2.18.111 • It’s now easier to start group voice and video calls. Just tap the call button in groups or select 'New group call' when starting a new call in the calls tab. Group calls support up to 4 participants. First, check if your IR receiver is already preconfigured. Ubuntu stores the configuration files in ' /usr/share/lirc/remotes but you can also find them in the source tree in the remotes directory. If you can find you remote, copy the config file to /etc/lirc/lircd.conf and open the file with a text editor. RS-232 Infrared Receiver in a Serial Connector (LIRC) Computer Remote Control: This instructable intends to show you how to create a small & simple infrared (IR) receiver for your computer. The configuration of the software is beyond the scope of this instructable, but I use this receiver with LIRC (Linux Infrared Remote. Spektrum fpv racing serial receiver. Serial Port Receivers. IC2 will convert the input voltage to exactly 5V. As the input voltage for the 78Lxx type regulators has to be at least 2V higher than the output voltage to work reliably, this circuit probably won't work on some notebooks. The line drivers inside notebooks often provide voltages about 6V or even less. Debugging is probably one of a developer's least favorite tasks but, regrettably, it's an essential part of software development. Any helping hand is therefore received with open arms and FireBug does much of the hard work for you. FireBug is a Firefox extension that allows you to monitor and tinker with JavaScript, CSS, HTML, and Ajax through a combination of a powerful debugger, error console, command line, and code inspectors. There are many other minor features to FireBug but the most important by far is the debugger, which automatically checks your code line by line. The debugger sets breakpoints in your scripts and examines every step of execution in real time. Particularly handy is the FireBug icon in the Firefox status bar which tells you instantly if your page is broken. Just open the FireBug panel and you'll see exactly what the problem is - no more scouring through reams of script in the JavaScript Console window. You can open Firebug in a separate window, or as a bar at the bottom of your browser, and also configure a blacklist of sites that you'd like it to exclude. For any developer who has been driven mad by debugging, FireBug provides an ultra quick, easy and headache-free way of developing your code.
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