This post is still in progress. If you’ve ever developed software on a Linux system, you’ve no doubt used the tail command to print out lines as they are added to the end of a log file. The tail command is used something like this: $ tail -f /var/log/mylogfile.log You can accomplish the same task… Read More »
𝕃𝕠𝕠𝕜 𝕒𝕥 𝕨𝕙𝕒𝕥 𝕀 𝕔𝕒𝕟 𝕕𝕠! Lᴏᴏᴋ ᴀᴛ ᴡʜᴀᴛ I ᴄᴀɴ ᴅᴏ! Lоок дт шндт Ї cди dо! I can make fancy characters to put in Facebook posts and other places where I’m limited to characters with no formatting options. This is your basic set of alphanumeric characters: the capital letters A–Z, the lower-case letters a–z, and the… Read More »
If you’ve used Windows for any length of time you’re probably familiar with entering special characters with the ALT+ method. For example, to enter “É” — Latin Capital Letter E with Acute, Unicode code point U+00C9 — you can hold down the ALT key and while continuing to hold it down, type 0201 on the… Read More »
The Navigator.Geolocation post has been moved to its own page in the Software Development » Web Development section. The original post has been expanded to include more information. You can find it here. In the meantime, here’s where your browser thinks you are. Sometimes it takes a few seconds to return the geolocation information. Please… Read More »
When looking through some of my old papers I found at my father’s house after he died, I found some old Fortran code for converting Gergorian calendar dates to and from Julian dates. I haven’t used Fortran since the 1970s, so the code looked a little strange. Some examples of Julian dates: Julian Date Equivalent… Read More »
I needed a function to truncate a number. Math.floor() worked … until I tried it on a negative number. So I had to write my own truncate function. Even though I needed to truncate numbers to the integer portion only, I figured sooner or later I would need to truncate to a given number of… Read More »
When I was creating the “Unicode Character Code Chart: Arrows (2190–21FF)” page, I found that WordPress had replaced some of the characters in the code chart with some kind of images. I looked the page’s source code and saw the HTML that I was expecting to see. In the glyph column for the UP DOWN… Read More »
What Is the Difference Between <button> and <input type="button">?