hkotsubo‭

In Git documentation, there are lots of references to the term "HEAD". But what exactly is it? Some places refer to it as "a pointer to the current branch". So it's a branch? What is it used for?

1 answer  ·  posted 2y ago by hkotsubo‭  ·  last activity 1y ago by hkotsubo‭

First, we need to understand what a Git repository actually is. For that, refer to this article: it explains that a Git repository is actually a DAG (Directed Acyclic Graph). I'm not going into the...

posted 2y ago by hkotsubo‭  ·  edited 1y ago by hkotsubo‭

It makes difference if the script is being imported. Let's suppose I have a file my_file.py: # my_file.py def some_function(): print('do some stuff') print('calling function:') some_fun...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

I think a branch is a set of commits Well, technically no, it's not. But first things first. DAG (Directed Acyclic Graph) Personally, Git became much more easier to understand after I've r...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

When you use the variable without any format specifier (print(f'{variable}')), internally its __str__ method is called. Considering your Test class, it already has this method: class Test: def...

posted 3y ago by hkotsubo‭

The complete set of characters matched by the \s shorthand varies according to the language/API/tool/engine you're using. In addition to that, there might be configurations that change this behavi...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

It depends. Do you want to have autocomplete on the shell the program runs in, or do you want the program to intercept the TAB key and do the autocomplete by itself? Shell autocomplete If you'r...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

First, let's see how Zalgo Text works. Unicode Combining Characters Unicode defines the concept of combining characters. Basically, some characters can be combined with others, to "make/create"...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

tl;dr Although it can be done with regex (and work for "most" cases), I still prefer to use a parser. Long answer I'd use something such as DOMParser to do the job: let validTags = ['p', 'span', 'b...

posted 3y ago by hkotsubo‭  ·  edited 3y ago by hkotsubo‭

I've seen some regular expressions (regex) using \s when they want to match a space, but I noticed that it also matches line breaks. Example: the regex [a-z]\s[0-9] (lowercase ASCII letter, follow...

1 answer  ·  posted 2y ago by hkotsubo‭  ·  last activity 2y ago by hkotsubo‭

When you do x=y=z=[], you're making x, y and z point to the same list. Example: x=y=z=[] # add element to x x.append(1) # add element to y y.append(2) # but x, y and z all point to the same l...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

What you're asking is a very broad topic, and it'd require entire books to cover everything. For the sake of simplicify, I'll just stick to the basics. Inheritance Inheritance can be explai...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

How do I clone the repository with only part of the history? It depends on what part you want. It's possible to have shallow clones (which is exactly what you need, only a part of the commit h...

posted 3mo ago by hkotsubo‭  ·  edited 3mo ago by hkotsubo‭

First of all, let's understand why your regex didn't work. The first part is \w+\.\s, which is "one or more alpha-numeric characters" (\w+), followed by a dot and a space (\.\s). If the regex was ...

posted 3y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭

In Bash, IFS is an internal variable and it stands for "Internal Field Separator" <- according to this link, it "determines how Bash recognizes fields, or word boundaries, when it interprets cha...

posted 2y ago by hkotsubo‭  ·  edited 2y ago by hkotsubo‭