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    What have you been working on recently? [July 13, 2019] learn programming

    July 13, 2019

    What have you been working on recently? [July 13, 2019] learn programming

    What have you been working on recently? [July 13, 2019]

    Posted: 13 Jul 2019 09:10 AM PDT

    What have you been working on recently? Feel free to share updates on projects you're working on, brag about any major milestones you've hit, grouse about a challenge you've ran into recently... Any sort of "progress report" is fair game!

    A few requests:

    1. If possible, include a link to your source code when sharing a project update. That way, others can learn from your work!

    2. If you've shared something, try commenting on at least one other update -- ask a question, give feedback, compliment something cool... We encourage discussion!

    3. If you don't consider yourself to be a beginner, include about how many years of experience you have.

    This thread will remained stickied over the weekend. Link to past threads here.

    submitted by /u/AutoModerator
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    ��️ Becoming a Zsh (Oh My Zsh) Power User - [Now Free On YouTube]

    Posted: 13 Jul 2019 01:08 PM PDT

    Hi all,

    ​

    I posted a comment here about a week ago in regards to my 🕹️ Becoming a Zsh (Oh My Zsh) Power User course. The course was originally on Udemy for $19.99, and I gave away over 100+ coupons to this subreddit as it's brought me so much value throughout my career.

    ​

    After spending a bunch of time sending out coupons via Reddit & Twitter, I decided to make my course completely free on YouTube: https://www.youtube.com/watch?v=MSPu-lYF-A8

    ​

    I hope you all learn a lot, and if you don't have time to watch an 80-minute video, my Zsh configuration is in the description of the video!

    ​

    For the 100+ people who used the coupon, I'll have to take the course of Udemy in about a week's time when they see that it's on YouTube (sorry 😞).

    submitted by /u/Xiy
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    Can anybody explain the workflow of machine learning as a employee

    Posted: 13 Jul 2019 04:12 AM PDT

    I did machine learning course in Coursera (Andrew Ng),He explained some mathematical concept regarding ml. I want to know what real life employees do, whether they create some new models or use some tool to train the standard models as an employee (not a researcher) and what are the tools available now

    submitted by /u/koushik_G
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    What kind of side projects should we be building for our portfolio?

    Posted: 13 Jul 2019 09:36 PM PDT

    Let's say our goal was to learn Full-Stack JS technologies really well - React/Redux, Node, Express, PostgreSQL, etc.

    If we create let's say a Personal Blog or E-Commerce store from scratch, would that look too "simple" to be a portfolio piece?

    Should we be optimally aiming to create a web app PRODUCT like some kind of app with users? Like what if I made an AirBnB clone with some tweaks to the features?

    How does making a Personal Blog or E-Commerce store compare to making an AirBnB / Twitter clone with modifications?

    submitted by /u/studiocrawler
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    I’ve spent summer gaming for 8 hours/day, everyday. I still have a month left and want to start being productive. Where do I start?

    Posted: 13 Jul 2019 07:32 PM PDT

    So I'm a sophomore in high school and have pretty much done nothing this whole summer break. I've recently gained some random burst of motivation and I really want to shift some of my daily attention to doing something productive (learning programming).

    I started reading ATBS by Al Sweigart last year but my motivation kinda startled dwindling down and I had stopped within 2 weeks.

    I'm ready to start back up again, is there a good method for keeping that drive to learn and staying motivated?

    submitted by /u/supplas
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    Should I be writing code cleanly as I'm implementing a solution or should I get the solution to work first and then try cleaning it up?

    Posted: 13 Jul 2019 11:16 AM PDT

    I wrote a python script and even though I am only using it for one purpose I want to make it modular for practicing sake. As more and more stuff worked the function I initially made just got bigger and bigger. When it did what needed it to I kinda lost all motivation to fix it up since I know I'm not gonna be using it again.

    That's how some other things I worked on went and k feel kinda bad. I want to know if it's normal to code like that initially and then optimize readability and modularity and if I'm just being lazy.

    submitted by /u/C0wseed
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    Which programming language is better suited for my project? Python or C#

    Posted: 13 Jul 2019 09:21 PM PDT

    So recently I created a small C# library that allows me to "profile" a method by calculating how much it takes to run, fastest and slowest execution times, averages, etc. My plan now is to export it all to a text file and create a visualizer that extracts all the data from the various methods stored in the file, parses them, and displays them to the user in the form of graphs and pie charts.

    The question I have now is, what would be the better approach, to use visual C#, or use python? What are some possible pros and cons? Any particular libraries I should be taking a look at?

    Thanks in advance!

    submitted by /u/RubenAlbar
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    Why use any other client-server RDBMS over PostgreSQL?

    Posted: 13 Jul 2019 04:14 PM PDT

    So I've been reading about SQLs lately and it seems that while stuff like SQLite have their usage for mostly embedded systems that don't deal with massive amount of elaborate data, sometimes you need something bigger like a client-server database, something like MySQL, PostgreSQL, Firebase, Microsoft SQL, Oracle database, etc.

    But it seems that a good portion of these are subscription based, and of all the free ones, PostgreSQL is the one most recommended to learn or for general use, even when paired against the subscription based ones, it seems from what I've found on the internet, people still pick PostgreSQL...

    Which begs the question, why use any of the others? How do the paid ones still exist in the first place if a free alternative that does it better is on the market? Why would a company or a developer use MySQL or Firebase over PostgreSQL? What cases are there that call for using something other than it?

    submitted by /u/ED9898A
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    HTTP Request illegal?

    Posted: 13 Jul 2019 08:41 PM PDT

    Hey guys,

    I am working for a company that has to gather tons of documents online using several different websites.

    I looked into it and found that it should be easy enough to just use HTTP request and edit the URLS to get the data needed.

    i.e. www.getdata./com/document?id=1

    ​

    and just change the values programmatically to get what we needed. We would do the same with API's as well.

    ​

    One of my coworkers asked if this would be legal I thought about and realized how simple SQL injection is and how it seems to work under the same principle and am concerned.

    Should I finish my code? Is this frowned upon or even illegal?

    submitted by /u/kithuni
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    Project ideas required(read details)

    Posted: 13 Jul 2019 11:49 PM PDT

    I have just completed a c++ course on udemy. I want to practice my skills. Do you have any ideas for a project that would cover oop, polymorphism, I/O streams etc. ?

    submitted by /u/shivansh9420
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    JavaScript algorithm: How can I reverse a string in place with no built in functions?

    Posted: 13 Jul 2019 11:44 PM PDT

    how can I make var str="12345" into var str="54321" with no new string? and NO built in functions.

    submitted by /u/MichaelPaulfv
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    Best way to learn frontend with prior C++ and Python experience?

    Posted: 13 Jul 2019 11:03 PM PDT

    Hi. I am working as software developer for over 4 years now, started as Embedded C++ developer and recently moved to Python in standalone console / qt apps and I am wondering what is the best way to learn frontend. I have read tons of resources and every one of them is targeted to beginners in programming world . I feel like I would be pretty bored trying to learn from these kind of courses explaining basics, but I struggle to find decent frontend HTML / CSS / JS crash courses suitable for someone like me. Do you have any recommendations?

    submitted by /u/Seisuiseki
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    Study Guide for beginner (DS&A)

    Posted: 13 Jul 2019 10:47 PM PDT

    Hey, I just recently started out with python and have been making some side projects using basic libraries. My goal is to start solving Leetcode/whatever you'd recommend problems. I know that you have to study DS&A for that. I was hoping if anyone could make an ordered list of what to study and in what order (and any recommended resources for the same) Assume that I am a total noob, except that I have a basic idea of python syntax. Any links to other guides would also be awesome! Thanks!

    edit:

    submitted by /u/drfeelgood404
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    I want to create a dashboard for weekly reports at work, suggestions welcome

    Posted: 13 Jul 2019 01:45 PM PDT

    I started an internship this summer as a business analyst, and we are having trouble keeping close track of how much work is getting done by each member of the team. There has been no tracking before and the best we have now is manual entry by one of the analysts into an excel sheet (when they are already busy enough).

    Even if it takes time, my goal is to build a web dashboard that allows each member to input their information, and make it viewable to everyone. Once I get the difficult stuff done I can also start to make some cool visualizations and such.

    I'm confident in my python skills and just started picking up JS/CSS/HTML so I can build things on the front end. I really don't know how to start so any advice would be awesome.

    submitted by /u/Zanacorfe
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    I want to learn JavaScript. Any good advice?

    Posted: 13 Jul 2019 06:29 PM PDT

    A friend and I are anting to teach ourselves JavaScript and was hoping I could get some advice and maybe pointed in the right direction to start such a thing! Any feedback would be greatly appreciated!

    submitted by /u/Pyre_Fli
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    I dont like web development - I'm doomed?

    Posted: 13 Jul 2019 06:11 PM PDT

    I have been programming for many years in the college. I know the basics of Java, C++, haskel, SQL, and python.

    Im looking for a job as a developer but everything I find is web-related. Why I dont take those jobs? Because I dislike everything which is related to web developing.

    I'm doomed or there still hope for me? Where I should look at?

    submitted by /u/2soonexecutus
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    DHCP Behavior Question

    Posted: 13 Jul 2019 09:42 PM PDT

    In a DHCP implementation following rfc2131, is a DHCP packet containing duplicate options undefined behavior?

    e.g.:

    ... 0x35 0x01 0x02 0x06 0x04 0x08 0x08 0x08 0x08 0x06 0x04 0x08 0x08 0x04 0x04 ...

    Would an appropriate action for the node to drop the packet or does the robustness principle apply and some processing be done to deduplicate the options?

    submitted by /u/_hg
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    aspiring html5 developer

    Posted: 13 Jul 2019 09:36 PM PDT

    im hoping anyone who is willing to share or discuss knowledge on html5 and using the netbeans API

    submitted by /u/workaholicanne
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    Network Programming projects/resources?

    Posted: 13 Jul 2019 09:28 PM PDT

    So I'm trying to pick up Network Programming but I can't find any resources that are good for it. Are there any good books, or YouTube videos that are good to learn from (that are C, C#, or Python based)? And are there any projects that are good/essential to make?

    submitted by /u/FetusGod
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    Simple final year project ideas?

    Posted: 13 Jul 2019 09:25 PM PDT

    After slacking off for 3 years I've finally managed to get into the final year, but because of the aforementioned slacking I'm, simply put, quite incompetent at anything CS related. Now I'm in the final year we need to work on a major project, and when deciding on groups, contrary to my plans, put into the same group as 3 of my friends who are as dumb as I am.

    Anyway I need the degree and I'm willing to work hard this year, are there any projects which are simple enough to be learnt in 6 months and finish in 1 year? For reference I'm from India, have some knowledge of Python (preferred), Java, C++, C, Datastructures, and other basics. I like maths so complexity in that area won't be a problem. I don't know and have failed all papers in networks, electronics etc. Any suggestions?

    submitted by /u/ManCT
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    My first real project with C

    Posted: 13 Jul 2019 09:06 PM PDT

    This is my first (presentable) project i made with C. it's a remake of the hangman game in the console. Let me know what you think :D

    ​

    /* Name: Hangman Remake Author: u/pathetic_millenial Date: 2019-07-12 */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> int main(void) { /* This resets the seed for the random number generator */ srand(time(NULL)); /* List of game words */ char wordlist[][16] = { "green", "yellow", "purple", "windows", "linux", "apple" }; /* random_index is used as the RNG for picking random words */ int random_index = rand() % 6; /* i is used for for loops */ int i; /* These variables are for tracking player lives, correct guesses, etc*/ int num_lives = 5; int num_correct = 0; int old_correct = 0; /* This variable is used to determine the length of the game word */ int word_length = strlen(wordlist[random_index]); /* Array used for storing which letters have been guessed */ int letters_guessed[8] = {0, 0, 0, 0, 0, 0, 0}; /* Variable determines if the user has exit the program or not */ int quit = 0; /* This array stores the letter guesses from user input */ char guess[16]; /* Used to store the letter guessed by user */ char letter_entered; /* Title screen */ printf("Hangman Game 1.0\nWritten by Hayden\n\nYou have 5 lives\nType \"Quit\" to quit.\n"); /* Main game loop */ while (num_correct < word_length) { /* Just for formatting */ printf("___________________________\n"); printf("Your word: "); /* For loop to print which letters in the word have been guessed */ for (i=0;i<word_length;i++) { /* Checks if guessed letter has already been found in word */ if (letters_guessed[i] == 1) { printf("%c ", wordlist[random_index][i]); } else { printf("- "); } } /* Prompts and scans for letter guess */ printf("\b\nEnter a guess letter: "); fgets(guess, 16, stdin); /* Checks if user has exited the program (you can quit by typing "quit") */ if (strncmp(guess, "quit", 4) == 0) { /* If user has quit then set "quit" to 1 and break out of the game loop */ quit = 1; break; } /* letter_entered will be equal to the first character of the user input */ letter_entered = guess[0]; /* Used to determine if user has guessed correctly */ old_correct = num_correct; /* For loop to compare guessed letter with game word */ for (i=0;i<word_length;i++) { /* Checks if guessed letter has already been found in word */ if (letters_guessed[i] == 1) { continue; } /* Traverses through the game word to find a letter match, if a match is found the letters_guessed array gets updated and adds 1 to the "num_correct" variable */ if (letter_entered == wordlist[random_index][i]) { letters_guessed[i] = 1; num_correct++; } } /* end of for loop */ /* Checks if user made an incorrect or correct guess */ if (old_correct == num_correct) { num_lives--; printf("\nWrong guess!\nLives: %d\n", num_lives); /* Checks if user has run out of lives */ if (num_lives == 0) { break; } } else { printf("\nCorrect guess!\nLives: %d\n", num_lives); } } /* Displays message if user quits mid-game */ if (quit == 1) { printf("\nYou lost! you quit the game too early :\( the word was <%s>\n", wordlist[random_index]); } /* Displays message if user loses game */ else if (num_lives == 0) { printf("___________________________\nYou lost! the word was <%s>. Better luck next time!\n", wordlist[random_index]); } /* Displays message if user wins game */ else { printf("___________________________\nCongratulations, You guessed the word! It was <%s>\n", wordlist[random_index]); } return 0; }
    submitted by /u/pathetic_millenial
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    Help me with some problems

    Posted: 13 Jul 2019 08:47 PM PDT

    Please give the solution for the following Problems.

    1) Find the total no. of ways to reach nth step on stairs, if a person can take 1,2 steps any number of time and 3 steps atmost 1 time.(Extension to Stair Case Problem)

    Ex:

    I/P:

    n=4

    O/p: 7

    {1,1,1,1},{1,2,1},{1,1,2},{1,3},{2,1,1},{2,2},{3,1} (these are the 7 possible combination)

    2) Find all possible divisor of a number n.(Constraint: n<=10^15)

    Ex:

    I/P:

    n=12

    O/P:1,2,3,4,6,12

    P.S:I am getting Time Limit Exceeded(TLE).

    3) Given t positions of queen on n*n chessboard, output true if they all can positioned on chess board without attacking each other.

    Ex:

    I/P:

    n=8

    t=6

    {2,1},{4,2},{6,3},{8,4},{3,5},{1,6}

    O/P:True

    submitted by /u/rotyweb
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    Easy way to do video classification in python?

    Posted: 13 Jul 2019 04:59 PM PDT

    Is there any way to make a video classifier in python?

    There are easy ways for image classification: TensorFlow for poets etc. but I can't find anything for video classification.

    submitted by /u/forddasav
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    How do you keep a personal project elegant?

    Posted: 13 Jul 2019 08:35 PM PDT

    How do you personally KISS and YAGNI with your personal projects? I'm a newbie that's "comfortable" with code now, but my architecture eventually becomes a mess. Scrapping it over and over isn't doing me any good. How do you avoid this?

    submitted by /u/BithTree
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    Getting module to call array in Fortran

    Posted: 13 Jul 2019 04:48 PM PDT

    Hey, I'm recently trying to pick up Fortran. I'm more comfortable in C++, so it's definitely a bit strange for me. I've been trying to work out how to call a module from another file. However, I'm having trouble as the compiler doesn't recognize an implicit type in my input variable, and I can't seem to find a way to tell it adequately.

    ​

    Here's my short code to show what I've tried:

    module statistics implicit none contains subroutine calculate_mean(a) real::sum=0 real::mean=0 integer::i do i=0, size(a) sum = sum + a(i) end do mean = sum / size(a) return mean end subroutine calculate_mean end module statistics

    Here's the resulting errors.

    ​

    I have no doubt I'm approaching this wrong. Could someone tell me what my mistake here is, and what the proper course of action to accomplish it should be?

    submitted by /u/Vahir
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