December 31, 2021 in Technology, Tips and Tricks
Cookies Set a cookie on the client machine to identify the user. Pros: Definitely unique per session Cons: Easy to remove or prevent (even for people with limited technical knowledge), only apply to one browser, easy for a script to bypass IP address Use the user’s IP address to identify the user. Pros: Changes infrequently, […]
December 22, 2021 in Tips and Tricks
Automatically playing audio and video on the web is a powerful capability, and one that’s subject to different restrictions on different platforms. Today, most desktop browsers will always allow web pages to begin <video> or <audio> playback via JavaScript without user interaction. Most mobile browsers, however, require an explicit user gesture before JavaScript-initiated playback can occur. This helps ensure […]
December 9, 2021 in Php, Technology, Tips and Tricks
It’s worth adding that, in addition to the QR codes library posted by Google To use this , basically: 300×300 is the size of the QR image you want to generate, the chl is the url-encoded string you want to change into a QR code, and the choe is the (optional) encoding. The link, above, gives more detail, but to […]
December 9, 2021 in Php, Technology, Tips and Tricks
PHP QR Code is open source (LGPL) library for generating QR Code, 2-dimensional barcode. Based on libqrencode C library, provides API for creating QR Code barcode images (PNG, JPEG thanks to GD2). Implemented purely in PHP, with no external dependencies (except GD2 if needed). Some of library features includes: Supports QR Code versions (size) 1-40 […]
December 7, 2021 in Technology, Tips and Tricks
Don’t Panic!Your ram is fine! What’s going on? Linux is borrowing unused memory for disk caching. This makes it look like you are low on memory, but you are not! Everything is fine! Why is it doing this? Disk caching makes the system much faster and more responsive! There are no downsides, except for confusing […]
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