terrible programmers: my god, it's full of chars

The Something Awful Forums > Discussion > Serious Hardware/Software Crap > YOSPOS > terrible programmers: my god, it's full of chars

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Socracheese: Oct 20, 2008

im setting up an amazon ec2 linux vm just for fuckin around on erlang, seems like u can put it on osx but its clearly for a linux

# ? Nov 14, 2013 01:03

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# ? May 13, 2024 00:37

MononcQc: May 29, 2007

Socracheese posted:

im setting up an amazon ec2 linux vm just for fuckin around on erlang, seems like u can put it on osx but its clearly for a linux

It works fine on OSX and you can grab pre-built packages at https://www.erlang-solutions.com/downloads or you can build it from source with Wx and use some graphical apps like observer or whatever (the packages should work with it too, and it works on all platforms in general).

# ? Nov 14, 2013 01:26

Brain Candy: May 18, 2006

Zlodo posted:

same
i can sort of do it when i do hosed up template poo poo in c++ but it doesnt seem very natural to me compared to imperative programming

on the other hand some people have the opposite problem where thing like i = i + 1 makes no sense to them so i dunno

reinterpreting the distinction as functional v. destructive instead of functional v. imperative highlights that imperative is an optimization, with all caveats that entails

# ? Nov 14, 2013 01:28

JewKiller 3000: Nov 28, 2006; by Lowtax

Brain Candy posted:

reinterpreting the distinction as functional v. destructive instead of functional v. imperative highlights that imperative is an optimization, with all caveats that entails

plus the best quality C compiler (llvm) actually optimizes the other way, into SSA form, removing all destructive reassignments :getin:

edit: that's just in the intermediate representation though. the generated assembly code still works as usual

# ? Nov 14, 2013 01:57

Socracheese: Oct 20, 2008

MononcQc posted:

It works fine on OSX and you can grab pre-built packages at https://www.erlang-solutions.com/downloads or you can build it from source with Wx and use some graphical apps like observer or whatever (the packages should work with it too, and it works on all platforms in general).

thx. it will be more fun for me on the cloud anyway if i can make it do an internet thing

# ? Nov 14, 2013 01:59

Posting Principle: Dec 10, 2011; by Ralp

Socracheese posted:

thx. it will be more fun for me on the cloud anyway if i can make it do an internet thing

check out cowboy for doing web things in erlang.

# ? Nov 14, 2013 02:08

Socracheese: Oct 20, 2008

Posting Principle posted:

check out cowboy for doing web things in erlang.

ok i have dived into this for a lil' bit and erlang is some voodoo poo poo. currently trying to get this thing listening on port 80 instead of 8080

e: aww yiss got hello world workin. trip report erlang is weird but p cool

Socracheese fucked around with this message at 07:36 on Nov 14, 2013

# ? Nov 14, 2013 06:54

Malcolm XML: Aug 8, 2009; I always knew it would end like ｔｈｉｓ．

JewKiller 3000 posted:

plus the best quality C compiler (llvm) actually optimizes the other way, into SSA form, removing all destructive reassignments

edit: that's just in the intermediate representation though. the generated assembly code still works as usual

ssa and cps being formally identical is a really interesting thing

# ? Nov 14, 2013 16:53

MononcQc: May 29, 2007

Socracheese posted:

ok i have dived into this for a lil' bit and erlang is some voodoo poo poo. currently trying to get this thing listening on port 80 instead of 8080

e: aww yiss got hello world workin. trip report erlang is weird but p cool

If you get Recon you can start tracking your most active connections over time and see where all the precious bandwidth goes :toot:

(use recon:port_info/1 to get details about each connection then)

# ? Nov 14, 2013 16:58

Fuck them: Jan 21, 2011; and their bullshit

I've always been good enough with SQL but never got the kind of experience to really dig in. Trivial stored procedures and such.

What's a good place to learn how do do more?

# ? Nov 14, 2013 17:09

jony neuemonic: Nov 13, 2009

2banks1swap.avi posted:

I've always been good enough with SQL but never got the kind of experience to really dig in. Trivial stored procedures and such.

What's a good place to learn how do do more?

i got a copy of this with a class. haven't really dug into it but it seems pretty comprehensive?

# ? Nov 14, 2013 17:59

Cocoa Crispies: Jul 20, 2001; Vehicular Manslaughter!; Pillbug

2banks1swap.avi posted:

I've always been good enough with SQL but never got the kind of experience to really dig in. Trivial stored procedures and such.

What's a good place to learn how do do more?

design your apps to use the highest normal form possible, and write selects that get what you want in a single query

# ? Nov 14, 2013 19:42

prefect: Sep 11, 2001; No one, Woodhouse.
No one.; Dead Man’s Band

Cocoa Crispies posted:

design your apps to use the highest normal form possible, and write selects that get what you want in a single query

the more normalized your tables, the more joins you'll have to write, and it's good mental exercise to get you into an sql mindset

# ? Nov 14, 2013 19:44

Cocoa Crispies: Jul 20, 2001; Vehicular Manslaughter!; Pillbug

prefect posted:

the more normalized your tables, the more joins you'll have to write, and it's good mental exercise to get you into an sql mindset

normalization and adding constraints is great for enforcing correctness

# ? Nov 14, 2013 19:50

prefect: Sep 11, 2001; No one, Woodhouse.
No one.; Dead Man’s Band

Cocoa Crispies posted:

normalization and adding constraints is great for enforcing correctness

i forgot about constraints. when you're learning db stuff, put primary keys on every table unless you have a really good reason not to. and any table that references those primary-keyed values should be foreign-keyed. your db diagrams should look like they're covered with long-legged spiders

# ? Nov 14, 2013 19:56

Notorious b.s.d.: Jan 25, 2003; by Reene

Cocoa Crispies posted:

normalization and adding constraints is great for enforcing correctness

mysql will happily accept constraints and then silently not enforce them. then you can't port your code because your db operations mysteriously fail on databases that actually enforce your constraints

don't use mysql

# ? Nov 14, 2013 21:02

Nomnom Cookie: Aug 30, 2009

mysql is so bad but silently ignoring check constraints is the worst part of it

# ? Nov 14, 2013 21:17

Nomnom Cookie: Aug 30, 2009

the rationale is compatibility with DDL for good DBs, I'm not even joking

# ? Nov 14, 2013 21:18

Shaggar: Apr 26, 2006

mssql is so cheap theres no reason to use MySQL.

# ? Nov 14, 2013 21:19

Nomnom Cookie: Aug 30, 2009

Shaggar posted:

mssql is so cheap theres no reason to use MySQL.

surely you mean postgresql

# ? Nov 14, 2013 21:57

Shaggar: Apr 26, 2006

no i don't.

# ? Nov 14, 2013 22:04

a cyberpunk goose: May 21, 2007

Shaggar posted:

mssql is so cheap theres no reason to use MySQL.

https://www.youtube.com/watch?v=6pqHOfAY9O4

# ? Nov 14, 2013 22:33

Nomnom Cookie: Aug 30, 2009

Shaggar posted:

no i don't.

but postgresql is cheaper than mssql and just as capable

# ? Nov 14, 2013 23:13

a cyberpunk goose: May 21, 2007

isnt postgres supposed to be one of hte most internally consistent dbs? or is that just some koolaid someone handed me

# ? Nov 14, 2013 23:18

Cocoa Crispies: Jul 20, 2001; Vehicular Manslaughter!; Pillbug

Mido posted:

isnt postgres supposed to be one of hte most internally consistent dbs? or is that just some koolaid someone handed me

idk but postgres repl is getting better faster than mysql correctness is getting less awful and it's thousands of dollars cheaper per node than mssql

# ? Nov 14, 2013 23:20

Nomnom Cookie: Aug 30, 2009

Mido posted:

isnt postgres supposed to be one of hte most internally consistent dbs? or is that just some koolaid someone handed me

postgresql does *everything* inside a transaction. including ALTER TABLE. and DROP DATABASE

# ? Nov 14, 2013 23:24

EAT THE EGGS RICOLA: May 29, 2008

http://howfuckedismydatabase.com

# ? Nov 14, 2013 23:30

prefect: Sep 11, 2001; No one, Woodhouse.
No one.; Dead Man’s Band

EAT THE EGGS RICOLA posted:

http://howfuckedismydatabase.com

# ? Nov 15, 2013 00:04

MeruFM: Jul 27, 2010

sqlite is pretty awesome

# ? Nov 15, 2013 00:12

double sulk: Jul 2, 2010

ive just recently been thinking about playing around with django again since i could have case for doing so, but i'm not sure how much enjoyment i'd get of it. i haven't touched it or python in well over a year and a half at this point

# ? Nov 15, 2013 00:16

MeruFM: Jul 27, 2010

use flask if you're gonna use a framework
django is surprisingly rigid if you want to make anything more interesting.
Django admin is pretty neat but you can do just as well with a plugin for your favorite db

# ? Nov 15, 2013 00:51

Nomnom Cookie: Aug 30, 2009

gucci void main posted:

ive just recently been thinking about playing around with django again since i could have case for doing so, but i'm not sure how much enjoyment i'd get of it. i haven't touched it or python in well over a year and a half at this point

use java dumbshit

# ? Nov 15, 2013 00:55

FamDav: Mar 29, 2008

gucci void main posted:

ive just recently been thinking about playing around with django again since i could have case for doing so, but i'm not sure how much enjoyment i'd get of it. i haven't touched it or python in well over a year and a half at this point

anyone else notice how the poo poo tier types talk about "playing around" with things while the pro tier types just do poo poo

# ? Nov 15, 2013 00:56

Notorious b.s.d.: Jan 25, 2003; by Reene

FamDav posted:

anyone else notice how the poo poo tier types talk about "playing around" with things while the pro tier types just do poo poo

gotta learn somehow

# ? Nov 15, 2013 01:00

Plastic Snake: Mar 2, 2005; For Halloween or scaring people.

those that can, do. those that can't do, :justpost:

# ? Nov 15, 2013 01:01

Nomnom Cookie: Aug 30, 2009

Notorious b.s.d. posted:

gotta learn somehow

i ran erl today

code:

Erlang R16B02 (erts-5.10.3) [source] [64-bit] [smp:8:8] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Eshell V5.10.3  (abort with ^G)
1> help
1> a
1> ;
1> ;
1> ;
1> ;
1> '
1>
1>
1>
1>
1> '
1>
BREAK: (a)bort (c)ontinue (p)roc info (i)nfo (l)oaded
       (v)ersion (k)ill (D)b-tables (d)istribution
^G
Eh?

# ? Nov 15, 2013 01:05

MononcQc: May 29, 2007

Nomnom Cookie posted:

i ran erl today

code:

Erlang R16B02 (erts-5.10.3) [source] [64-bit] [smp:8:8] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Eshell V5.10.3  (abort with ^G)
1> help
1> a
1> ;
1> ;
1> ;
1> ;
1> '
1>
1>
1>
1>
1> '
1>
BREAK: (a)bort (c)ontinue (p)roc info (i)nfo (l)oaded
       (v)ersion (k)ill (D)b-tables (d)istribution
^G
Eh?

you use '.' to end an expression and get it to run.

code:

Erlang R16B02 (erts-5.10.3) [source] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false]

Eshell V5.10.3  (abort with ^G)
1> "read your tutorial carefully".
"read your tutorial carefully"

# ? Nov 15, 2013 04:56

MononcQc: May 29, 2007

Also I gotta try this thing soon:

# ? Nov 15, 2013 04:59

Sharktopus: Aug 9, 2006

MononcQc posted:

you use '.' to end an expression and get it to run.

code:

Erlang R16B02 (erts-5.10.3) [source] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false]

Eshell V5.10.3  (abort with ^G)
1> "read your tutorial carefully".
"read your tutorial carefully"

# ? Nov 15, 2013 05:07

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# ? May 13, 2024 00:37

Nomnom Cookie: Aug 30, 2009

MononcQc posted:

you use '.' to end an expression and get it to run.

code:

Erlang R16B02 (erts-5.10.3) [source] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false]

Eshell V5.10.3  (abort with ^G)
1> "read your tutorial carefully".
"read your tutorial carefully"

yeah i started reading my copy of lyse after that experience

# ? Nov 15, 2013 05:27

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