Today’s first exercise was word count. It looked like a perfect use for regular expressions. The community solutions seem to agree. The ones I saw were fancier than mine, but I think mine is more readable. Bank Account had me[…]↓ Read the rest of this entry…
Life, the Universe and Everything! Why doesn’t javascript have a Math.sum() function? I did find a Math.sumPrecise() maybe I should have used that, but I wanted sum. I used a reduce higher level instruction instead. Otherwise todays first exercise hamming[…]↓ Read the rest of this entry…
Today’s first exercise Clock would have been so much easier if they included some specifications. Like plus() and minus() have minutes as a parameter (why that wasn’t already set in the skeleton I don’t know). Also, the constructor takes hours[…]↓ Read the rest of this entry…
More exercises. First is Reverse String it had some extra challenge at the end to reverse strings with grapheme clusters. I got how to split it out from: https://www.javaspring.net/blog/how-can-i-tell-if-a-string-contains-multibyte-characters-in-javascript/. Second was Collatz conjecture if you do a visualization of that[…]↓ Read the rest of this entry…
I kind of want to finish the Javascript track with 100 days of code. With 100 days of code and 156 javascript exercises that seems a bit unlikely. I really should be at 59 exercises. I decided to try to[…]↓ Read the rest of this entry…
Today’s exercise was simple-cipher. It is really the Vigenère cipher, it is like the Caeser cipher except instead of one shift for the whole message, you have a long key text where you shift according to the matching position of[…]↓ Read the rest of this entry…
Today’s exercise was robot name. You had to make a unique random robot name. The tricky part was making the name field read only. I think I could have used this a day or two ago when I was talking[…]↓ Read the rest of this entry…
Today’s exercise was list ops which was to implement list functions without using the higher order operations or built in functions of similar use. I started off on this one all wrong. I think this example shows why encapsulation is[…]↓ Read the rest of this entry…
Today’s exercise was Grade School you keep track of a list of students each having a name and grade level. Don’t allow students with duplicate names. Return the students of a given grade sorted by name, or the whole thing[…]↓ Read the rest of this entry…
Today’s exercise was Pascal’s triangle. This one was also marked medium but if it hadn’t been for arrays being uncooperative it would have taken half no time. The description promised a Sierpinski triangle if you colored odd and even numbers[…]↓ Read the rest of this entry…