DB Browser for SQLite lets you view and edit SQLite databases on Linux. You can design, create, and edit these database files, and peek inside the inner workings of other applications. Here’s how to use this SQLite GUI. The SQLite Database Project The SQLite database library and tools are a phenomenally successful open-source Structured Query Language (SQL) database project. So successful, in fact, it can justifiably call itself the most widely deployed database engine in the world. Since its initial release in 2000, SQLite has seen an absolutely staggering uptake. It’s inside every iPhone and Android phone, and Windows 10 or Mac computer. It’s also in every internet browser, including Chrome, Firefox, and Safari, as well as countless other applications. The incredible reach of the SQLite database is due to its architecture. It’s a fast, lightweight library that’s incorporated (or linked , in developer-speak) in other applications. The database engine becomes an … [Read more...] about How to Use DB Browser for SQLite on Linux
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How to Process a File Line by Line in a Linux Bash Script
It’s pretty easy to read the contents of a Linux text file line by line in a shell script—as long as you deal with some subtle gotchas. Here’s how to do it the safe way. Files, Text, and Idioms Each programming language has a set of idioms. These are the standard, no-frills ways to accomplish a set of common tasks. They’re the elementary or default way to use one of the features of the language the programmer is working with. They become part of a programmer’s toolkit of mental blueprints. Actions like reading data from files, working with loops, and swapping the values of two variables are good examples. The programmer will know at least one way to achieve their ends in a generic or vanilla fashion. Perhaps that will suffice for the requirement at hand. Or maybe they’ll embellish the code to make it more efficient or applicable to the specific solution they are developing. But having the building-block idiom at their fingertips is a great starting point. Knowing and … [Read more...] about How to Process a File Line by Line in a Linux Bash Script
How to Get the Calendar App Back on iPhone
If you’ve deleted or removed the built-in Calendar app on your iPhone, don’t worry: It’s easy to get Calendar back with a quick download on the App Store. Here’s how. Like all of Apple’s built-in iOS apps, the Calendar app is available for a free re-download on the App Store. So first, let’s open the App Store. With the App Store open, tap the search bar at the top of the screen and type “calendar,” then tap “Search.” In the search results, you might see some apps that aren’t the official app you’re looking for. To make sure it’s the real thing, tap on the icon or name listing for the Calendar app. Next, you’ll see the Calendar app store page. Look at the row of facts just below the download button, and you’ll see “Developer: Apple” in the list. That means it’s the real thing. To download the Calendar app, click the iCloud download button. Tip: If you see an “Open” button instead of the iCloud download button here, that means that Calendar is already installed on … [Read more...] about How to Get the Calendar App Back on iPhone
How to Find Downloaded Files on an iPhone or iPad
If you’ve downloaded files to your iPhone or iPad, accessing them might be confusing compared to a Mac or PC. There’s a special folder where iOS and iPadOS store downloads, and you can find it via the Files app . First, locate the Files app on your iPhone or iPad. The quickest way to do this is with Spotlight Search . Swipe one finger downward from the middle of the Home screen, and then type “Files.” Tap “Files” in the search results. RELATED: How to Find an App on Your iPhone or iPad Fast Tap “Browse” at the bottom, and then tap “On My iPhone” or “On My iPad” depending on which device you’re using. The list under “Locations” will vary depending on which apps you have installed, but your device will always have an “On My [Device]” listing. You’ll then see a list of folders that, again, will vary depending on which apps you have installed. Generally, most people save files to the “Downloads” folder , so tap it. RELATED: How to Download Files Using … [Read more...] about How to Find Downloaded Files on an iPhone or iPad
Why Do Keyboards Have a Windows Key? Here’s Where It Started
If you use Windows, you might have wondered about the small key with the Windows logo on your keyboard. It opens the Start menu and performs useful shortcuts, but where did it come from? Why is it there? Let’s take a look. The Origin of the Windows Key It might seem like the Windows key has always been with us, but it hasn’t. It first appeared in September 1994 on the Microsoft Natural Keyboard . This ergonomic keyboard was in the same vein as the earlier Apple Adjustable Keyboard , which split the standard QWERTY keyboard in half. Unlike Apple’s keyboard, though, Microsoft’s tilted each half at gentle angles to reduce wrist strain. By this point, Microsoft had already created other hardware products , including its widely acclaimed mice. When it was time to create its first keyboard, someone at Microsoft had the brilliant idea of including a permanent piece of Windows branding on it. This resulted in two Windows keys, located between the Control and Alt keys to the … [Read more...] about Why Do Keyboards Have a Windows Key? Here’s Where It Started
How (and Why) to Start Microsoft PowerPoint from the Command Prompt
You can open PowerPoint from the Windows Command Prompt. Using this method, you can add additional parameters that let you do things like start PowerPoint in Safe Mode for troubleshooting, or start with a specific template. How to Run PowerPoint with a Command There are two ways to open PowerPoint from the Command Prompt—one of which you need to know to find out which directory the “powerpnt.exe” file is located in. You can do this manually by digging through File Explorer, or you can use Command Prompt to find it. First, open a Command Prompt window . You can do this by typing “cmd” in the Windows Search bar (located on the taskbar next to the Windows icon). Press Enter or click the “Command Prompt” application in the search results. When you first open the Command Prompt, you’ll start in your user account folder. From here, you can simply type this command and press Enter to launch PowerPoint: start powerpnt.exe You can also open PowerPoint from the … [Read more...] about How (and Why) to Start Microsoft PowerPoint from the Command Prompt