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Posts 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...
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...
I've got a HTTP Error 500 when trying to access this post. Here's the quote error ID's: ef4f6ec1-8d0f-4be3-9553-36e01b5f01c4 and bbeb9bf9-2c58-43b1-be05-c9e914bb80bf. I've browsed to another pos...
The standard for multi-line text input is to use a textarea. Don't use input type="text", it won't work. I'm not sure why you don't want to use a textarea, but after reading this answer, I hope you...
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...
Instead of replacing the brackets, you could do just one loop, and keep a stack with the opening brackets. Every time you find a closing bracket, check if it corresponds to the stack top: if it's n...
First of all, I've added a print in your code to show the dates: if days % 7 == 0 and current_day == 1: print(f'{current_year}-{current_month:>02}-{current_day:>02}') sundays += 1 ...
Currently, Java 16 is the latest version, and there's no support to branch reset yet. But one - still far from ideal - alternative is to use lookarounds: Pattern pattern = Pattern.compile("([aeiou...
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...
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...
First of all, we need to understand what a JavaScript Date actually is. And surprisingly, it's not exactly a date (at least not in terms of having unique values for day, month, year, hour, minute a...
When posting this question, I noticed a difference between editor's preview and the post's final render. When editing, the preview correctly shows the Zalgo Text: But after the post is saved, i...
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"...
A Zalgo Text is something like this: T̃͟͏̧̟͓̯̘͓͙͔o̤̫͋ͯͫ̂ ̥͍̫̻͚̦͖͇̌ͪ̇ͤ̑̐͋̾̕i̢͖̩͙͐͑ͬ̄̿̍̚ͅn̵̢̼̙̳̒̄ͥ̋̐v̡̟̗̹̻̜͕̲ͣ̐ͤͤ͒́oͫ͂̆͑ͩ҉͇̰͚̹̠̫͔̗k̷̭̬̭͙̹̺̯ͩ̌̾̒̋̓ͤ͛͘͠e̥͙̓̄̕ ̵̫͈ͪţ̱̺̺̑̿̉̌͛̂̇h͙̣̬̓̂͞ę̡̲̟͎͉̟͛̓̉̆̉͘ ͬ̒...
This behaviour is documented here: "... an ambiguous timestamp that could fall on either side of a jump-back transition is assigned the UTC offset that prevailed just after the transition." S...
Matching a valid email address can be as complicated as you want it to be. If you want to be compliant with RFC 5322, the regex will be a monster (see below). But if you want a subset of it, with...
After I wrote this answer, I could notice that, when there's inline code in the last line of a paragraph, sometimes the border-bottom of the inline code text is not displayed. One case is when the...
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...
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 ...
The problem described below occurs in Windows 10 and Chrome 87.0.4280.66 (64 bits, JavaScript enabled). I could post this question only in mobile (Chrome/iOS 14.2), where the problem doesn't occur....
I've tried to post a comment in this question, and when I clicked in "Post" button, I've got this error message: 500 Internal Server Error If you are the administrator of this website, then ple...
Yesterday I answered this question. This morning, when I visited site, the question has disappeared, so my guess is that it was deleted. But now I saw that it was undeleted (I initially thought t...
Can that even be done without having to repeat either or resorting to more advanced processing than pure regular expressions I don't think it can. If you don't want to repeat x1=y2 and c5=d6, you...
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...
This MDN link might help to explain that: When a function is called as a method of an object, its this is set to the object the method is called on. Which is your first example (calling obj.a())....
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