Today I learned that we can use following to rebase first commit. 1 git rebase -i --root The first commit(commit 49259c2) will not show up if we use git rebase -i 49259c2 or git rebase -i HEAD~4, which means first commit is not available for editing if we use rebase in regular way.

It is said that the variable naming is the hardest part for most programmers. Likewise, chosing a blog platform poses an obstacle to start blogging. As a programmer, I like to get my hands dirty with code and code related stuff, such as registering a domain name, host a website, setup a server and run my code, etc. Building a blog platform for myself is one of those toy projects that will bring me joys.

Basics 1. Mean, median, mode, and range. Mean: the average; the sum of the values divided by the number of values $$ \bar{x} = \frac{sum}{n} $$ Median: the middle number when the numbers are sorted in order Mode: the most frequent number in a data set Range: the difference between the highest value and the lowest value ​Example: find the mean, median, mode, and range of the data set: 10, 14, 7, 23, 23, 15, 7, 23, 32.