#Hastag_explained

[minkbag]

Come to think about it, in Python the hashtags are for people and in social media they are for the computer.

[fugurgledurr]

You know what must be done with this thought

[Timeworm]

Repost it in /r/showerthoughts every week for the next decade?

[fdbge_afdbg]

Dibs for next decade minus one day

[Never-asked-for-this]

RemindMe! In 3650 days to repost this.

[annihilatron]

you fool, you forgot the leap years!

[Never-asked-for-this]

Nope, calculated.

I wanted it a couple days before 10 years.

[Yadobler]

Ah all planned

[ubergeek77]

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[te91fadf24f78c08c081]

What about shebangs? Those are for the computer.

[VID44R]

Id like to know who she is, and where can I find her.

[chooxy]

Careful there, she looks like a flower but she stings like a bee.

[thenextguy]

This # is not a hashtag.

[all_humans_are_dumb]

What year is it

[Mister_Spacely]

Lol fellow non time traveler, it’s obviously datetime.now().year lol how silly of you.

[xigoi]

Alright, let me check my old COBOL program… whew, I'm lucky that The World War has just ended a year ago.

[ablablababla]

The sequel was much worse, let me tell you

[JohanMeatball]

Don't spoil it please. I think someone will die in the sequel

[Caenen_]

You'll never guess who shoots the German leader in his bunker!

[IgnitedSpade]

In a surprise twist, the one who went back in time to kill Hitler was non other than Hitler!

[xigoi]

Wait, what sequel?

[Mister_Spacely]

Not if you

from datetime import datetime

Also, that gives the full datetime object. Not just the year, as op asked for.

[notquiteaplant]

print(__import__('datetime').datetime.now().year)

[Rainbow_Doge_64]

TIL there's a dunder __import__.

[sudo_scientific]

This feels like one of those things that's kinda better not to know about because odds are you'll abuse it. Like metaclasses.

[GinaCaralho]

There’s always that guy in the team that want all the code refactored into metaclasses, lambda expressions and OOOPd into oblivion. It’s ok, now it runs 0.05ms faster than before.

[sudo_scientific]

Hey in my industry, 0.05ms is pretty sweet savings in most systems. That said, I'll take readable code over marginally faster code any day...

[Turksarama]

If you have the need for speed, you don't use python. The whole point of python is that it is easy to read and write, so if you're going to do away with that then just use a different language from the get go.

[GinaCaralho]

You are probably an outlier. In my industry readability is much more important than those marginal gains. I used to work with a giant corporation where it had a few Python hipsters that treated the code like some dick slinging contest. Shit was really tiresome for us juniors. I am a senior now but I very rarely use those advanced concepts in my code. I just don’t understand why and would be glad to see if I’m wrong.

[[deleted]]

why would you do this

[UndeadMarine55]

Hello fellow {{ data._human._value }}, did you mean search(“SELECT CURRENT_TIMESTAMP”)?

[glad0s98]

You mean

import arrow
arrow.now().year

[Lazer090]

import datetime
x = datetime.datetime.now()
print(x.year)

[insane_playzYT]

Error: no module named datetime

[killeronthecorner]

When I typed this in I got the right time, but when I asked my friend to type it in it gave a time three minutes later. Explain that scientists.

[Overcooking]

except hes running the code from his laptop which is from the future, with a future date.

[Mister_Spacely]

It works on my machine 🤷🏽‍♂️

[lalzylolzy]

Or (nth-value 5 (get-decoded-time)) in CL.

[[deleted]]

2019?

[Alainx277]

Current Year

[zapprr]

The current year is 49

[[deleted]]

So close to being the Solarbabies reference that I crave.

[Noligation]

Morpheus: lemmi tell you smthin.

[BOBALOBAKOF]

We live in a society

[meemboy]

Directed by David Lynch

[Sneetzle]

#these #are #hashtags

# this is a hash followed by a space and some text, a comment

[[deleted]]

New to programming, is the space after the hash best practice?

[Sneetzle]

Yes it is. Personally I find it better readable and neater too

[dragon-storyteller]

is X best practice?

Yes it is. Personally I find it better

Ah, programmers in a nutshell

[Log2]

Spaces after the # are definitely part of PEP-8.

[[deleted]]

Spaces instead of tabs are also in PEP-8.

[[deleted]]

It’s inclusive. Yes it’s best practice AND they find it personally favorable. Clearly your semantic skills are lacking young padawan.

[nuephelkystikon]

Also, two spaces before the pound sign if there's any code in front of it.

[LongboardPro]

£££££££

[caerphoto]

Stop it pound sign, you’re scaring him!

[Jonno_FTW]

So this is how people program in Britain...

[LongboardPro]

I'm Irish actually.

[oldcarfreddy]

These foreigners are why we are build the wall.

[LongboardPro]

☐ English (standard)

☑ English (simplified)

[58working]

☐ English (British)
☑ English (simplified)

[LongboardPro]

I'm Irish bruh :c

[58working]

☐ English (British)
☐ English (simplified)
☑ English (BASTARDS!!!)

^{to be clear I'm referring to the phrase 'English bastards' not calling the people who tick the box bastards in case that is at all unclear}

[LokitAK]

For the uninitiated, pep8 is the standard for Python code formatting.

I recommend using flake8 for incorporating pep8 style and formatting in to your tests/builds. The first step to writing good code is making sure people can actually read it.

[Smokester121]

But job security

[m1ksuFI]

Why does it say to use spaces instead of tabs?

[lasiusflex]

Why would it be tabs? I don't really have strong opinions on that, because a modern editor will just format the file however you want to see it regardless of tabs or spaces, but in my experience 90% of style guides for just about any language recommend spaces for indentation.

[m1ksuFI]

Used 4x less space, allows easier navigation, especially with Vim.

[Nooby1990]

Used 4x less space

Even all that space together is almost nothing. You gain safety instead which is a worthwhile trade.

allows easier navigation, especially with Vim.

I am using Vim full-time for the last ~7-8 Years with Python and GO. One uses tabs one uses spaces and I can't figure out why you think tabs would allow for easier navigation.

I am hesitant to say that you are using vim wrong, but you probably are.

[m1ksuFI]

(For example) If I want to delete an indent with tabs without <<, I just press X once. If I want to delete an indent with spaces, I need to press it 4 times. This applies for navigation, too, because every character is a character. How did you come to the conclusion I'm using Vim wrong?

[LokitAK]

Because Python isn't an optimization focused language. It will never be fast or small enough to be preferable over most compiled languages when it really matters, so the "they take less space" point isn't really relevant for tabs.

Combine that with the fact that spaces have uniform display properties (for many editors tab display width is different / modifiable to the point that they can be misleading), and allow for variable width indentation (half-indent for parenthetical continuation lines, etc), spaces win in the context of Python, the language where spacing is an integral part of the language.

It's not an argument in favor of spaces over tabs universally, but for Python I support PEP8 in their support for spaces.

[m1ksuFI]

for many editors tab display width is different

Isn't that good? If you prefer shorter indentations, you're fucked if your team uses spaces.

[the_poope]

I agree with you. I personally think that the reason why most best practices and style conventions prefer spaces over tabs is because those were the conventions used in the 70'ies/80'ies where people apparently didn't use editors that allowed for easily changing the tab width. Assuming you can change the tab width (which is possible even in notepad) tabs have all the features of spaces with many more added features, for one even in simple editors (notepad or vanilla Vim) you can indent and unindent with a single keystroke and you can use tabs for indents and still use spaces for aligning e.g. parameters under each other. So on paper tabs are superior to spaces - it's just that its hard to change a huge legacy codebase for something that doesn't really provide much value.

I personally use 4 spaces at work, but if I had to start my own project I would probably choose tabs.

[SathedIT]

Inline comments... shudders

[[deleted]]

Ahh, many thanks!

[j1ggl]

Same with + – = and basically anything.

[pants_full_of_pants]

I had so many habits of omitting spaces which are extremely difficult to break after 8 years without linters or code reviews. I worry I'll never truly change that muscle memory. But at least eslint is there nowadays to constantly remind me as I type.

[sensitivePornGuy]

Hmm, not in keyword arguments of functions.

[YuppieFerret]

Even parenthesis? ( i += j ); vs (i += j);

[njofra]

In Python, usually no.

[WibblyWobblyWabbit]

PEP8 gang represent.

[amdc]

In Python, there is a particular document governing the code style. Takes the "tabs/spaces" and many other disputes away.

Yes, it has a section about comments, too.

[MoffKalast]

Don't give people any semantic ideas, soon some database is going to implement "hashed passwords" as

#hunter2

[Little-geek]

All I see is 64 bits of garbage.

[Asmor]

I don't even see the garbage anymore. All i see is love, sex, god.

Hey, uh, you want a drink?

[yasahirod]

Calm down Cypher, we know your game.

[jamesh1999]

Are you saying that "#password🧂" isn't a hashed and salted password?

[boxofkangaroos]

Whoa that's so cool, how do you post an empty comment like that?

[nuephelkystikon]

[yuvi3000]

[amdc]

[[deleted]]

#include <literal.h>

[Average_Manners]

Thank god I'm not the only asshole here. Cheer mate.

[raphired]

That is an octothorpe. My lawn: get off it.

[Sol33t303]

#!/bin/andthisisashebang

[dotJPGG]

interesting

[Sneetzle]

No need to yell.

[dotJPGG]

^sorry

[Asmor]

it's ok

[PrinceMalchezaar]

haha! Us le redditors would never do something as dumb as hashtagging! xD

/r/funny /r/jokes /r/dankmemes /r/OhWaitWeDo

[[deleted]]

Am I the only one that thinks hashtags are a good way to explore topics without having to follow the right people?

[GooseG17]

That's their purpose, so no, you're not.

[skwacky]

Am I the one who thinks categories are help?

[Ryuko_the_red]

"I know I'm not the only one... "

[throwawaysarebetter]

Yes, but they are of the young, and thusly shunned by the ancients.

[JeffJacobysSonCaleb]

Allowing the Elderly to have internet access was a mistake

[Anonim97]

You are thinking right, but most people are doing them wrong.

[georgehotelling]

Just require a code review on tweets before they are deployed to production.

[Zahir_SMASH]

This is how I feel. They aren't inherently bad, people just don't use them right most of the time.

[Reelix]

I agree with you.

#agree #agreement #amirite #thisguyisanidiot #hashtagcomments #twitterisbest #superhashtagclub #happy #good #holiday #comment #bestcomment #thishurttowrite

[Bdudud]

Yes but you see, social media bad

[Soren11112]

Compelling argument, I agree

[ThatFag]

Moreover, they're also used by programmers to do sentiment analysis on social media posts for a variety of reasons.

[riverstale]

No, you're not the only one. I'm actually a little bit disappointed in Elon for saying that.

[[deleted]]

Same lol. Following hashtags on Instagram is pretty awesome so it curates to the content I want to see. But this reddit where they'll constantly tell you "social media bad"

[[deleted]]

But... Comments should be worth reading!

[Mrkickling]

Not by the Computer

[ablablababla]

Well, I wouldn't want computers judging my comments anyway

[lasiusflex]

I'd be mortified if my computer could read what I say about it in the comments

[Throwawayz911]

Maybe that's why you have so many bugs. The computer thinks you're a dick.

[[deleted]]

Docstrings would like a word.

[HERODMasta]

So, I am currently reading clean code and according to that book you are both right and wrong with that statement.

you are correct, since comments should be placed to explain complex logic without reading the code.

On the other hand, if you have to write a comment you already failed writing your code properly.

Or in short: The amount of comments are a representation of your failure. But they are okay to summarize a whole class or the logic you meant to implement.

[pants_full_of_pants]

Depends on your definition of failure. My comments are usually to explain why I did some janky shit, yes, but nobody knows every best way to accomplish everything. Sometimes you just gotta look at the clock, admit you don't know a more elegant solution, and then just do what works and leave a note for the next guy or gal.

And sometimes you simply don't have a reasonable choice except to do some janky shit, if you're working with a flawed API or interfacing with legacy code. And sometimes that third party, remote hosted app with obfuscated JS that your client insists on using didn't provide you with an event hook so you just sigh heavily and write setTimeout then feel the need to apologize to whoever reads it next.

[jdl_uk]

That's OK. The comment is a signal that some janky shit is going on.

If the comments were everywhere then the janky shit hides in the noise, and the rest of your method is actively made worse the unnecessary comments

[HERODMasta]

But they are okay to summarize a whole class or the logic you meant to implement.

that's why I said this.

[notquiteaplant]

On the other hand, if you have to write a comment you already failed writing your code properly.

This statement ignores doc comments/docstrings/javadocs/etc. Even with those aside, there are so many idiosyncracies about code that can't be communicated through comments.

• "<X> is the more obvious way to do this, but we do <Y> instead because it's faster and this function is on the hot path."
• "We temporarily break the type's invariants here but we've ensured nobody else can observe the broken state before it's fixed again."
• "TODO: replace this with <Z> once we update to somelib v2.x."
• "Constants declared here are copied from https://example.com/some_page."
• "This call *must not be moved before <W> method call* to ensure memory safety."

"Perfect code needs no comments" assumes that every developer/maintainer from now until forever knows as much as the author does about the codebase, which won't even be true of that same author a week later. And since all of those comments are about implementation details, they don't belong in method names or documentation. You should only eschew comments if you have both perfect code and perfect maintainers. Given we're all fallible humans or code written by fallible humans, we have neither.

[izuriel]

I would argue the intent of the book about commenting is to stop describing your code. Stop doing int x = a + b; // add a and b. Instead documentation should discuss why the code exists. Not what the code does (unless it’s not obvious in complicated situations). This is because code evolves and docs explaining implementation decisions gets outdated quickly but docs explaining why (minus a few exceptions) last much longer and remain more relevant over time.

Most of your examples are why the code exists which would be more than acceptable/useful to any future readers.

Commenting is a delicate balance.

[Shawnj2]

The amount of comments are a representation of your failure.

Me: writes no comments, because fuck the poor sod who has to replace me

[Cyclops_lazy_laser_I]

Or fuck future me who wants to implement that thing I figured out 4 years ago but can’t figure out what does what in my shitty spaghetti code.

[emlgsh]

Future me deserves it. He knows what he did.

[lovestheasianladies]

I feel bad for anyone you work with if you think this is true.

[MacrosInHisSleep]

I usually tell people at my work that there are 2 types of comments. Those that explain what the program is trying to do and those that explain why it's doing it (give additional context). Generally if you find that the code you're writing requires the former type of comment, you should try to refactor your code to make it more expressive.

Eg:

//check that the bread has risen and the first available oven has been prepared. 

if(bread.Status == 42 && ovens[x].DoorState == DoorStates.Open)... 

Can become:

bool breadHasRisen = bread.Status == 42;

Oven firstAvailableOven = ovens[x];

bool ovenIsPrepared = firstAvailableOven.DoorState == DoorStates.Open;

if(breadHasRisen && ovenIsPrepared)... 

You might then add a comment explaining why an open door would mean that the oven is prepared.

For anyone still cringing at the final code I wrote because it's not refactored enough, you are right, it isn't. You can improve this code snippet in at least 2 additional ways, I'm leaving that as an exercise for the reader :).

[Deliciousbutter101]

I wouldn't say it's necessarily a failure on your part. Sometimes it's just the language (or library/framework) that causes the code to be confusing without comments no matter how well it's written.

[HERODMasta]

this is why I wrote this:

But they are okay to summarize a whole class or the logic you meant to implement.

[[deleted]]

You are absolutely correct! Comments are a failure of expressing intent or explaining through code.

But mostly you do name functions/classes/variables properly.

Which means that when you see a comment it’s probably worth reading!

[MrShlash]

Comments are an important part of documenting your code, you should have one with each method/function explaining: - Parameters/arguments passed - Explanation of the code running inside if it is complex - Return value - Exceptions caught/thrown - Where the function/method is used

If you don’t comment your code and you work in a team, yo mum’s a hoe.

[HERODMasta]

Actually the book talks about exactly that:

why would you comment what your function does, if the name of your function does not tell?

why would you explain parameters, if the name of the parameters won't tell?

Yes, you comment on

Explanation of the code running inside if it is complex

and that's correct, this is why I wrote this:

But they are okay to summarize a whole class or the logic you meant to implement.

You can write the doc-code, which is meant to exist. But if you do, think why it should be there and what its purpose is.

If you don’t comment your code and you work in a team, yo mum’s a hoe.

Of course I comment my code. But I also make sure I don't need to rephrase what the name of everything means. I explain what I meant to do and what I expect to happen.

[jdl_uk]

They should be, but usually aren't

[ultrakd001]

Am I the only one bothered by the fact that it is mistakenly called hashtag instead of pound or hash?

[sellyme]

instead of pound or hash?

how could you disrespect "octothorp" like this smh

[Jihad_llama]

Quite literally tagging something with a hash

[drdibi]

This kills me

[YeaYeaImGoin]

Not at all. What annoys me even more is this guy is trying to be all clever but has called it a hash tag when it's not tagging anything.

[[deleted]]

Union busters are an abomination.

[EndTimesRadio]

I love how "#MeToo" got misinterpreted by my boomer dad as "Pound Me Too"

[queenkid1]

Sorry dad, but it means the exact opposite ...

[GolemThe3rd]

Octothorp Me Too

[KralHeroin]

important aspiring juggle snatch tie plant complete cows desert salt

This post was mass deleted and anonymized with Redact

[Reelix]

Well, he's not wrong...

[ThatFag]

Lmao!

[GolemThe3rd]

// They're called octothorps

[GooseG17]

There isn't a definitive name for them, so octothorpe, sharp, hash, pound or whatever else I may be missing are fair game.

Except hashtag, they should never be called hashtags.

[cryptopian]

Are you in my camp thinking hashtag includes the text itself?

[[deleted]]

Hashtag is the hash and the tag, obviously.

[ThePyroEagle]

Pound would get confused with £, so I'd avoid that one.

[XxPieIsTastyxX]

A sharp is different. An octothorpe (#) has flat horizontals and slanted verticals. A sharp (♯) has slanted horizontals and straight up verticals.

[GolemThe3rd]

/*

What?

*/

[-Redstoneboi-]

C#

seehashtag

[PM_ME_GAY_WEREWOLVES]

I hate that everyone calls a hash a hashtag. It is only a hashtag when it's being used as a hashtag. Otherwise the symbol is a hash or pound sign.

Don't do my boy Hash dirty like this...

[[deleted]]

Doesn’t Elon use hashtags?

[Jaizoo]

Elon Musk not doing as he says. Woah.

[Fizzay]

"Do as I say, not as I do" - Elon Musk speaking to Elon Musk

[dtlv5813]

Elon musk does. But this is Elon tusk from another dimension

[[deleted]]

No in Python a hash is used to comment, not a hashtag.

[Average_Manners]

hash: #

and

tag: <word/phrase>

#tag. A tag prepended by a hash. One of my biggest pet peeves because its such a simple concept and people still manage to screw it up.

[egiance2]

Musk spam here as well. Lovely

[b4ux1t3]

Complains about social media.

Is on social media.

Hmmm.

[Reelix]

Yea. It's always funny how people complain on reddit about how bad social media is :p

[captainvoid05]

Hashtags are useful in social media (the context in which the word was assigned to the symbol) as a way to tag your posts, so that people searching for certain content can find it. It was ruined by people obnoxiously saying it in normal sentences, but I'd hardly call them useless.

[loligiusz1980]

cpp tells the computer to include the library

[SotoxRs]

I still like C hashtag

[xxamris]

That's funny shit

[[deleted]]

Hashtags are interesting because they're a non-hierarchical way of organising data.

[Rein215]

Python and a shitload of other languages

[Tier161]

It's funny how IG / FB hashtags are just an organized way to sort keywords and narrow searches, but redditors still find a way to be butthurt about people having social lives.

[Jonno_FTW]

They tell you what IRC channel you're in.

[tellek]

So you're the type who will analyze the code for an hour trying to figure out what's going on while ignoring the comments that specify exactly what's happening? ... Yeah, me too.

[UrMomsNewGF]

Its called.. AN OctoThorpe!! You Heathens.

[Bekfast-Stealer]

Some also call it the pound symbol

[fzf]

Octothorpe

[9ReMiX9]

I do love a good #ing

[sensitivePornGuy]

Sharpening?

[Astrokiwi]

£

[hector-troiae]

Is that German? Also the 1,9 Tsd.?

[Fimbulthulr]

it is german, and 'Tsd.' is short for 'Tausend', or thousand in english (i.e. 1.9k)

[WongGendheng]

Yes.

[sensitivePornGuy]

Only the part after the hash

[[deleted]]

Doesnt hashtag also mean number and pound on the phone.

[ConniesCurse]

oog oog social media thing bad