I am a bootcamp grad and will teach myself computer science in 2018. Who wants to join? learn programming

I am a bootcamp grad and will teach myself computer science in 2018. Who wants to join?
Some quick cliche advice for beginners
Entering the world of Programming.
I want to create a database, no experience
VS 2017, every C++ project says "Project out of date"
I already know the basics really well, but I can't get past them.
It’s amazing to me!
[Homework] I'd like to create a Morse Code Keyboard for my Java final project and need some initial guidance
I'm out of motivation to learn to code.
overriding equals method in java
Need help with VBScript; trying to automate task with IE interaction
Learn Programming, Web Development, Hacking With These Free and Discount Udemy Coupons
Confused on how to make an adjacency list
Getting kinda stuck at the start of programming
Which programming language for creating event finding services?
Does anyone know a good way to write TI-BASIC for TI-89 on PC and compile for calc instead of writing on the calculator?
Not sure what this line of code achieves?
[Java]Trying to understand Vigenere Cipher code
[SQL],[ASP.NET] Inputting data into database using stored procedure.Getting the error in passing parameter to a stored procedure
How to *host* a TCP Socket Server? (Not on your own computer)
How do I deal with dll in NASM?
How do I run this Go program in OS X?
[C++] What is the difference between capturing a queue by reference in a lambda vs std::ref?
Need to make web scraper- javascript output hidden?
Resources for machine learning... Looking for advice.

I am a bootcamp grad and will teach myself computer science in 2018. Who wants to join?

Posted: 09 Dec 2017 03:05 AM PST

Hi there,

As a bootcamp grad, I often feel like a fraud when I build my projects as I often miss the correct computer science foundations to understand deeply the topics I am dealing with. This is why I will dedicate my 2018 year to teaching myself CS. I will follow the Teach Yourself CS curriculum (https://teachyourselfcs.com/) and will try to go through it in 1 year.

Who would like to join me in the challenge? Maybe we could create a community?

Here is a blog post where I explain my approach: https://dlet.me/stopping-my-imposter-syndrome-by-teaching-myself-computer-science-9ec1e0474060

Edit: Whaou !! I am so excited!!! Thanks a lot for the awesome answers!! Please check my own answer below for more info about how we can set this up and to participate to the debate!! :D https://www.reddit.com/r/learnprogramming/comments/7im77l/i_am_a_bootcamp_grad_and_will_teach_myself/dr01m27/

submitted by /u/damienlethiec
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Some quick cliche advice for beginners

Posted: 09 Dec 2017 05:13 PM PST

When I first started programming, I started by taking the Udacity Intro to CS course. Throughout the course, they teach you the basics with python, and you gradually build a web scraping program throughout the course as you level up. Their goal, I'm sure, was for you finish the course and reflect on the program and be surprised how far you have come. My reaction was maybe a little bit of that, but it was mostly me thinking "wow I could never do that on my own".

A separate moment I recall, was when I first started going to meetups maybe a month or two after I started programming. There was a bootcamp grad who was showing me his final project which was a full stack web app with a login and it used all these different APIs, and I thought to myself "He did that after 3 months? Will I really be able to do that?"

Fast-forward 6 months, and I've built 5ish full stack web apps and currently I'm building a web app that scrapes webpages for job listings.

The difficult thing to realize when you start is that the only difference between you and everyone else is that they have 100s or maybe 1000s of hours more practice than you do. If you know this, internalize it, and focus mainly on short term goals with long term goals in the back of your mind, then you'll make a ton of progress without even realizing it.

submitted by /u/austintackaberry
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Entering the world of Programming.

Posted: 09 Dec 2017 09:23 PM PST

Hey guys! So I really wanted to learn programming but I was really kind of on and off while actually trying to practise. A few days ago some awesome fellow reddit user posted a free code to an online course. After spending 1 week I finally created a small program that guesses the number that you have in your mind. I'm new to Reddit and Programming so here I am sharing one of my first programs. Tell me what you guys think about it. I would like to have your reviews and advice. Feel free to use this program in any way if you wish to. Here's the link to the Python code.

EDIT: Here's the Pastebin Link https://pastebin.com/sd8YYNf9

submitted by /u/yatin_97
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I want to create a database, no experience

Posted: 09 Dec 2017 08:04 PM PST

I'd like to create a database for work, but I have no experience coding or anything like that. I'm good in excel and can create the various macros to do what I want, but my boss wants a real database.

My first question, what do you even call this, wanting to create a database? Does this fall under "programming", "coding", some other word? Is it all effectively the same?

Is one language better than another for what I want to do?

Here's a description of what I want it to do:

We prepare a Cost of Production for our agriculture clients (we're an accounting firm), and we want to compile all this data we have into a database. We want to be able to show a client what stats fall under the top and bottom 20% performers, compare performances by region, compare performances by cow breeds (for example), age of the farmers, etc etc.

We have all of this on a case by case basis, but nothing compiling everything together with queries to pull what we want.

Our partners would be prepared to hire this work to be done, but they were quoted 30k-100k.. I think they're overestimating the level of comprehensiveness we're looking for.

Anyways, if you want more information to make a better suggestion, ask away.

Basically I'm ready to start the learning process for this, but I don't know if this is different than "just learning Python", because I don't know if a database is very different than creating a program, or whatever..

Thanks a lot

submitted by /u/banmenoww
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VS 2017, every C++ project says "Project out of date"

Posted: 09 Dec 2017 06:19 PM PST

Every time I try when I run debug Win32, it shows that the project is out of date every single time. I thought maybe I had done something to my project, so made a new one and did nothing to it, and when I ran it, I had the same dialogue warning me the project was out of date. I've looked all over the place, and can't find anything for it.

I've set the debug output to detailed, and it shows that no headers are missing or anything, like all of the other solutions suggested.

submitted by /u/newyetolderoms
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I already know the basics really well, but I can't get past them.

Posted: 09 Dec 2017 10:05 PM PST

As the title says, I already know the basics of programming overall, but I can't get past them. I don't know what to make or where to start. I ask for a sense of direction from someone.

submitted by /u/savagexix
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It’s amazing to me!

Posted: 09 Dec 2017 07:05 PM PST

It's amazing to me how often you hear the idea that object oriented programming reflects the way we think about the world. I have never found it natural or easy! Logic and functional programming on the other hand just 'fit'. What paradigms just clicked with you?

submitted by /u/Hitaka02
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[Homework] I'd like to create a Morse Code Keyboard for my Java final project and need some initial guidance

Posted: 09 Dec 2017 07:08 PM PST

You guys are busy so feel free to skip the rambling background...

So at the moment I'm starting on a Morse Code translator. It's going to work by you pushing the - and + (substituted this for ".") to input morse code and then getting out a character of english. I was going to to this by getting a scanner and making a shit ton of if statements to translate each set of inputs as a normal character.

So then I had the great idea to turn it into a virtual keyboard (I was a bit annoyed by the blatant unrelated typing in many of my classes so I wanted to make something that would make it more discreet). As in when this is running if I type the sequences of "-"s and "+"s I get english out of it (or whatever language have you). But the issue is that I'm not sure how I'd make the output and how I'd signal the end of each morse code.

TL;DR: I want to make my shitty final project of a morse translator into something actually practical, a morse virtual keyboard for more discreet typing.

Questions:

How can I interface directly with the keyboard input? If this isn't possible, how can I efficiently do a ghetto rigged version?
How can I improve my current ghetto rigged Morse Code translator idea? Is there a more "proper" way to do it?
My current idea for a virtual keyboard is a dumbed down idea from my original moonshot idea of having people tap Morse code on their phones and send it to other people in the class and output it in morse code vibrations (certainly not for cheating purposes). How feasible is the moonshot being made in the future?

I'm definitely hoping that this is feasible, I want this project to be like a jumping off point for me to start writing actual usable applications instead of the usual shitty java exercises.

submitted by /u/RagingSatyr
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I'm out of motivation to learn to code.

Posted: 09 Dec 2017 10:17 PM PST

Hello! Couple months ago, I started learning Python. I loved it and everything was fine but now I'm out of motivation to continue learning! Could anyone suggest me something for motivation or other IT jobs (I'm looking into sys. administration)?

submitted by /u/ZapStan
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overriding equals method in java

Posted: 09 Dec 2017 09:20 PM PST

I am supposed to override the equals method in this code to pass test3 in the code. not sure what to do where it says //fill in. any help is much appreciated

import java.util.*; public class CastingTest { public void test1() { Object o = new Staff("James", "Kentucky", "123-4456", "j@nku.edu", "GH440", 60_000, new GregorianCalendar(2011,1,1), "admin"); Staff s = (Staff) 0; System.out.println(s.title.equals("admin")); // What are these class types that should return true. System.out.println(o instanceof Person); System.out.println(o instanceof Student); System.out.println(o instanceof Employee); } public void test2() { Person p = new Staff("James", "Kentucky", "123-4456", "j@nku.edu", "GH440", 60_000, new GregorianCalendar(2011,1,1), "admin"); displayObject(p); Faculty f = new Faculty("James", "Kentucky", "123-4456", "j@nku.edu", "GH440", 60_000, new GregorianCalendar(2010,1,1), "noon", Faculty.PROFESSOR); displayObject(f); } public void test3() { Person p1 = new Staff("James", "Kentucky", "123-4456", "j@nku.edu", "GH440", 60_000, new GregorianCalendar(2011,1,1), "admin"); Person p2 = new Staff("James", "Kentucky", "123-4456", "j@nku.edu", "GH440", 60_000, new GregorianCalendar(2011,1,1), "admin"); System.out.println(p1.equals(p2)); System.out.println(p1 != p2); } public static void displayObject(Object o) { if (o instanceof Staff) { System.out.println(((Staff)o).title.equals("admin")); } else if (o instanceof Faculty) { System.out.println(((Faculty)o).office.equals("GH440")); } else { System.out.println(false); } } public static void main(String[] args) { CastingTest t = new CastingTest(); t.test1(); t.test2(); } } // Copy classes class Person { protected String name; protected String address; protected String phoneNumber; protected String email; public Person() {} public Person(String name, String address, String phoneNumber, String email) { this.name = name; this.address = address; this.phoneNumber = phoneNumber; this.email = email; } @Override public String toString() { return "Person : " + this.name; } } class Student extends Person { public static int FRESHMAN = 1; public static int SOPHOMORE = 2; public static int JUNIOR = 3; public static int SENIOR = 4; protected int status; public Student() {} public Student(String name, String address, String phoneNumber, String email, int status) { super(name, address, phoneNumber, email); this.status = status; } @Override public String toString() { return "Student : " + super.name ; } } class Employee extends Person { protected String office; protected int salary; protected Calendar dateHired; public Employee() {} public Employee(String name, String address, String phoneNumber, String email, String office, int salary, Calendar dateHired) { super(name, address, phoneNumber, email); this.office = office; this.salary = salary; this.dateHired = dateHired; } @Override public String toString() { return "Employee : " + super.name; } } class Faculty extends Employee { public static int LECTURER = 1; public static int ASSISTANT_PROFESSOR = 2; public static int ASSOCIATE_PROFESSOR = 3; public static int PROFESSOR = 4; public Faculty() {} public Faculty(String name, String address, String phoneNumber, String email, String office, int salary, Calendar dateHired, String officeHours, int rank) { } @Override public String toString() { return "Faculty: " + super.name; } } class Staff extends Employee { protected String title; public Staff() {} public Staff(String name, String address, String phoneNumber, String email, String office, int salary, Calendar dataHired, String title) { super(name, address, phoneNumber, email, office, salary, dateHired); this.title = title; } @Override public boolean equals(Object obj) { if (obj instanceof Staff) { Staff s = (Staff) obj; // fill in if(this == obj) return true; if(!this.name.equals(s.name))return false; if(!this.address.equals(s.address)) return false; if(!this.phoneNumber.equals(s.phoneNumber)) return false; if(!this.email.equals(s.email)) return false; if(!this.phoneNumber.equals(s.phoneNumber)) return false; if(this.salary != s.salary) return false; if(!this.title.equals(s.title)) return false; if(!this.dateHired.equals(s.dateHired)) return false; } else{ return obj == this; } } }

submitted by /u/Agent__Johnson
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Need help with VBScript; trying to automate task with IE interaction

Posted: 09 Dec 2017 11:21 PM PST

The goal I'm trying to achieve here is to be able to run this script, and have it open up the pdf of the latest NOTAMs from an airport (NOTAMs are notices to pilots, and need to be briefed before they fly - so it's a pretty repetitive task). Ultimately, I'm copying the NOTAMs from the pdf into a ppt slide, so if it's possible to have it automatically update the ppt slide too that would be amazing. But for my purposes, just getting the pdf is a huge help.

What follows is a frankensteined block of code from examples I found online. When I run it on my home computer (Windows 7, IE 11), it seems to work ok. But when I run it at work (Windows 10, IE 11), it opens up to the correct NOTAMs page, but runs into a bug before it downloads the pdf. I get a "The object invoked has disconnected from its clients" in reference to the Loop While line.

I'm not a programmer by trade, so I know this is probably disgusting, but any help/tips/advice is greatly appreciated.

Call Main Function Main Set IE = WScript.CreateObject("InternetExplorer.Application", "IE") Set x = CreateObject("wscript.shell") IE.Visible = True IE.Navigate "https://www.notams.faa.gov/dinsQueryWeb/queryRetrievalMapAction.do?reportType=Report&retrieveLocId=kord&actionType=notamRetrievalByICAOs&submit=View+NOTAMs" Wait IE IE.Navigate "https://www.notams.faa.gov/dinsQueryWeb/saveNotamAsPDF?locidStr=KORD&save" Wait IE x.AppActivate "Defense Internet NOTAM Service - Internet Explorer" x.SendKeys "{TAB}" Wait IE x.SendKeys "{ENTER}" x.AppActivate "Defense Internet NOTAM Service - Internet Explorer" x.SendKeys "%{F4}" End Function Sub Wait(IE) Do WScript.Sleep 500 Loop While IE.ReadyState < 4 And IE.Busy End Sub

submitted by /u/Metal_Lamb
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Posted: 09 Dec 2017 11:05 PM PST

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submitted by /u/ronmarnot
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Confused on how to make an adjacency list

Posted: 09 Dec 2017 11:01 PM PST

So I have a school project I'm trying to finish that's just wracking my brain.

I am trying to implement Dijkstra's algorithm, which should be simple enough. My problem is in the fine print of my project.

I am to read in a file of locations and weights in the following format:

from_city to_city weight

There's obviously going to be duplicates and there could be any number of vertices. I don't know how to deal with the duplicates while reading from the file efficiently. So I have no idea how to assign a unique location/index to each of the cities since I would have to search for duplicates and then add on to the list.

Using vectors has given me so much grief since using both

vname.at(i).push_back(node *) and vname[i].push_back(node *)

aren't working. Any ideas? I really am struggling with understanding what to do without making my program either super slow or unnecessarily convoluted. Any ideas? I'm a beginner so please be very detailed with your answers if possible.

submitted by /u/kokomarro
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Getting kinda stuck at the start of programming

Posted: 09 Dec 2017 10:32 PM PST

I know how to make a public class and methods on jGrasp and other things, but when it comes to loops and stuff it stresses me the heckity hecks out, like I cannot figure out how it works until I try messing around with some things until it works. What's worse is that I almost always get stuck after making the main method cuz I am bad at starting my own code. I sit there for like an hour thinking "okay what do I want my code to do???" And it's a awful cycle to go through. I would love to be able to get past that frozen state of mind, and get right to coding, any advice would be great, and thanks in advance!

submitted by /u/Wsctacobro16
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Which programming language for creating event finding services?

Posted: 09 Dec 2017 09:43 PM PST

I have no programming experience, but I want to learn. To learn, I'm estimating my long term goal of creating an event finding service and brainstorming short term projects I can create that will motivate me to continue learning. Please let me know which language would be suite my needs based on the following. Thanks!

Long term goal: I'm interested in developing a service that learns people's interests and can suggest real world events to them with a high degree of accuracy that participants will enjoy the events. I want to eliminate the need for antiquated services like local newspaper classifieds, craigslist events postings, Facebook Events page, etc that require users to browse through long, cumbersome lists. To do this, I want to see if I can use machine learning to well, learn people's interests. Maybe that will depend on Facebook integration, but hopefully not.

I'm also interested in potentially creating a service that uses blockchain technology. Maybe I could create a network that filters people's (learned) interests into tribes with other users's who share those same interests. Even more optimistically, the network can self-generate events for people to participate in by linking people's interests with their geographic locations. I would maybe use some incentive system (like tokens) to incentivize venue owners to open their venues for hosting events.

These are all vague ideas, but hopefully it expresses the type of services I want to create and the type of skills I would need to learn to be able to build them.

Short term projects to help me apply beginning programming skills: 1. Create a program that converts a list of random event details into calendar form. 2. Create a program that scans craigslist ads for event details and posts them to the calendar. 3. Create a program that posts these events to a visual map. 4. Create a program that can sort events based on the Yelp ratings of their respective venues.

I have no idea where to begin with machine learning, so I haven't thought of any simple projects for that.

So, any idea on what programming language I should learn or if I should be trying to move more towards data science/analytics? I do not intend to be a technical founder, but I would like to have a decent idea of how to develop programs so I can know how to manage them and know at least a little of what's possible.

Thanks for any help.

submitted by /u/_Ex_Nihilo
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Does anyone know a good way to write TI-BASIC for TI-89 on PC and compile for calc instead of writing on the calculator?

Posted: 09 Dec 2017 09:38 PM PST

So far I've found some information on syntax (https://en.wikibooks.org/wiki/TI-Basic_89_Programming), but it seems like most of the IDE/compilers I've found are for -83/84 and not 89, which apparently changed some stuff. Really don't want to type everything in to a calculator.

submitted by /u/noahjk
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Not sure what this line of code achieves?

Posted: 09 Dec 2017 09:16 PM PST

Hello reddit!! I'm currently revising for finals and theres this one line of code thats confusing me slightly. If you need the entire program I can provide it later, but for now the line is:

space = Sentence.indexOf(' ', previousSpace);'

I'm aware of the function string.IndexOf(); (it returns the position of a value you might be searching for, if i'm correct?) however, what confuses me is what the ' ' in the bracket achieves? and why was eclipse giving me an error when theres ' ' as opposed to ' ' in that bracket?

submitted by /u/kennyxvii
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[Java]Trying to understand Vigenere Cipher code

Posted: 09 Dec 2017 09:09 PM PST

I'm going over the code from Rosetta Code for the Vigenere Cipher. The encryption method has two parameters: String text, String key.

char c = text.charAt(i)

In the for loop, i is set equal to 0 along with j, but only i is incremented. The result string is initialized in the beginning of the method and concatenated as so:

res += (char)((c + key.charAt(j) - 2 * 'A') % 26 + 'A'); j = ++j % key.length();

My question to you all is: If the first letter of the input text is 'I' then the encrypted letter is 'D'. How does the algorithm subtract numbers from characters along with multiplying and dividing characters by numbers?

EDIT: Here's the Rosettacode link. https://rosettacode.org/wiki/Vigen%C3%A8re_cipher#Java

submitted by /u/DoctorPres
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[SQL],[ASP.NET] Inputting data into database using stored procedure.Getting the error in passing parameter to a stored procedure

Posted: 09 Dec 2017 09:03 PM PST

Yeah I'm trying to connect and pass data to database but I keep getting the error message "Procedure or function 'insert_into' expects parameter '@FirstName', which was not supplied." I have checked for typos. I dont know asp or c# that welll (beginner) so I have no idea what I am doing wrong. If anyone can tell me what I did wrong I would really appreciate it. Screenshots of my code: https://imgur.com/a/VE8li

submitted by /u/psyqward
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How to *host* a TCP Socket Server? (Not on your own computer)

Posted: 09 Dec 2017 04:49 PM PST

Hey,

My end goal is to make a 2D 2 Player Card Game (mechanics similar to TCG-esque card games like Magic, Yugioh, Hearthstone etc rather than rummy, poker etc).

I'm currently using Python 3 for this

Recently I've learned the basics of sockets and have managed to connect a client computer to a server computer. My networking goal with this is to send commands from one client to the server to affect the visuals on a second client. The server itself should only need to send a text command that would trigger a conditional statement.

IE Client 1 draws a card, then sends the information to 'client 1 drew a card" to the server and then the server sends that onto client 2 which upon receiving 'client 1 drew a card' converts it to str then checks it against a conditional which should in turn add a face-down card from the visual of client 2's opponents deck to their hand.

I believe relatively simple as game servers go. Still a ways away yet.

I've managed a server-client connection and a client-server-client communication thing, as well as proto checks. However I don't actually know how to put the server.py file up somewhere online and connect to that. A lot of the solutions I've come across seem to talk specifically about web apps and I'm 99% sure that's not what I'm looking for.

I was also trying Google's 'Compute Engine' but I was somewhat overwhelmed by the information and fought a bit with their command shell.

So I'm wondering if someone here could point me in the right direction to a site (or a tutorial) to host your own server script somewhere online. If possible, from a rudimentary as possible point.

Thank you for reading.

submitted by /u/AlexAndThunder
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How do I deal with dll in NASM?

Posted: 09 Dec 2017 08:24 PM PST

Hello, I'm trying NASM out :)

I would like to ask How do I deal with dll? you know find it > import it's function> use it :)

I would like to apply it to windows 64-bit (I have Windows 7 running right now and windows 10 on another PC)

submitted by /u/jhave21l
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How do I run this Go program in OS X?

Posted: 09 Dec 2017 08:24 PM PST

Found here on Github: https://github.com/jakewins/findbtc

using OS X / Terminal

I have so far -installed Go from golang.org -run go get github.com/jakewins/findbtc

but when I run the findbtc command I get told "Command not found"

even when I navigate to /user/go/findbtc-master it dose not seem to make a difference.

Any help would be appreciated. Thank you!

submitted by /u/Calicuervo
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[C++] What is the difference between capturing a queue by reference in a lambda vs std::ref?

Posted: 09 Dec 2017 08:08 PM PST

I was helping a friend debug a piece of code the other day and he kept receiving the following warning: warning: capture of variable 'vertices' with non-automatic storage duration.

Which we believe led to some sort of data race in his code. I looked at his code and noticed he was using this line of code
workers.emplace_back(std::thread[&queue, vertices, file, i]()
{ processQueue(queue, vertices, file, i); }));

I then was worried that the & was capturing everything in that lambda by reference, which goes against everything I personally know about lambda's but on a hunch I asked him to change the code to the following line:

workers.emplace_back(processQueue, std::ref(queue), vertices, file, i);

After he made that change, the error went away and our computations gave us the correct output we were looking for. My question is, what is the difference between the two? Do they not capture the same thing?

Here is that piece of code:

 static int vertices = atoi(argv[1]); TSQ<std::vector<Graph>> queue; std::vector<std::thread> workers; for (auto i = 0u; i < n; ++i) { const std::string file = "out" + std::to_string(i) + ".adj"; std::cerr << i << " " << file << std::endl; // workers.push_back(std::thread([&queue, vertices, file, i]() { processQueue(queue, // vertices, file, i); })); workers.emplace_back(processQueue, std::ref(queue), vertices, file, i); }

submitted by /u/rlramirez12
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Need to make web scraper- javascript output hidden?

Posted: 09 Dec 2017 04:10 PM PST

Hello,

I have background using R and python and I've used it for years, but now I need to extract data from a website which is something unlike anything I've done before. I'm just looking for some directions to go. From what I've looked up the go-to strategy is to pull it straight from the HTML, which seems straightforward enough. However the page I'm looking at doesn't have the output I want in the HTML (see pics).

What I want - ID of user 1 and ID of user 2, text content, date. The source code for the public feed data is in the image.

https://imgur.com/a/nhHZ7?

They are not offering the API for new devs, so I'm out of luck there. Is this possible to do? If so, how should I go about approaching this problem?

Thanks for any help.

submitted by /u/imdepressed_irl
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Resources for machine learning... Looking for advice.

Posted: 09 Dec 2017 08:27 AM PST

Hi guys/girls!

I am interested in learning more about machine learning, but it appears my math skills are lacking in order to understand some of the concepts in a few of the books I have tried to read on the topic. Could anyone point me in the direction of some resources that may be useful for me?

I have taken Calculus/Probability/Statistics and wouldnt mind doing some work on khan academy for some more advanced maths if I knew what I was looking for... What should I brush up on or start putting effort into learning that would best assist me in this field?

Any advice would be greatly appreciated!

Have a great weekend all!

submitted by /u/_BrentAureli_
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