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    Monday, April 19, 2021

    DevOps training for new developers learn programming

    DevOps training for new developers learn programming


    DevOps training for new developers

    Posted: 18 Apr 2021 06:34 PM PDT

    Hi everyone, my name is Mike.

    I have been a Linux expert and systems professional for 24 years, working in a range of companies from large tech conglomerates such as HP and Rakuten, to the scrappiest of startups. Right now I am designing and implementing the AWS infrastructure for a new market trading platform. My work is handled through my consulting business, but I would like to eventually move away from direct consulting into teaching. The work I do is fun in practice, but I get the most fulfillment just talking about my experiences, and so I figure the best way to scratch this itch is to teach.

    To that end I want to develop some courses to help people who are beginning their development careers to understand the paths available of them. DevOps can be quite alluring to aspiring developers who often don't find their passion for it until later in their career.

    Modern DevOps practices still are not covered very well in normal computer science or development courses in college. As such, a majority of my colleagues have not held college degrees, and are usually self-taught. This includes me as well. Whatever your background, as long as you are willing to put in the work you can find an entry into this field.

    I want to develop a set of courses that will allow people with minimal coding experience to try out a live Kubernetes system on their host machine, and learn about the principles that guide the software development process, all the way through to proper deployment into a production environment.

    To develop my first courses I want to perform an exercise over the course of a few months with some beginners. We will be going from 0 to Developing in Kubernetes. This requires no prior development, operating system, or past work experience, although the more interest you have in these topics the easier it will be for you.

    We will start by learning the basics of our environment tooling

    - Git

    - Linux

    - Docker/Containerization

    - Kubernetes

    - Cloud Providers

    - 12 factor application design

    - Infrastructure as Code

    From this point we will be able to create and deploy a simple example Python application into Kubernetes

    But this is just the first step! We will then discuss the software's lifecycle, including topics such as:

    - CI/CD pipelines

    - Code testing and automation

    - Monitoring/Alerting

    - Logging/metrics

    - Storage management

    - And more!

    At the end you will come out with a number of code repositories filled with everything required to quickly set up a Kubernetes cluster, and deploy everything you need to develop a Python application quickly and iteratively in Kubernetes.

    I would like to find a small group of 3-4 people who would be willing to jump on a call on a consistent basis as we, together, cover all of these topics and work along this path together. I feel that if we can successfully get to the end of this, everybody would come out with a project portfolio that would be representative of a fundamentally competent devops engineer.

    As we progress I will use your questions and experiences as a guide for building the basics for my work. I am not asking for anything for my time, and I will not try to sell you anything.

    If you're interested please send a DM. We can talk a bit about your experience level and what you're looking to learn. The only thing I'm really looking for are people that will be serious and engaged in the process.

    submitted by /u/IIllIlllIIllllIIllI
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    If I take 45 minutes to solve easy Hacker Rank problems, am i ready for an entry level position?

    Posted: 18 Apr 2021 06:23 AM PDT

    So I've been working in mostly React and some design. I spent about 45 min trying to just solve the easy questions. Would you consider someone who takes this long for an entry level backend engineer role?

    submitted by /u/WickedSlice13
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    Consider Quality Assurance / Tester roles when applying for your first tech job

    Posted: 18 Apr 2021 03:43 PM PDT

    I know a lot of people who started as manual QA, with no tech experience, who wound up being automation engineers, or software engineers. I also know people who had degrees in computer science who started as QA. It's a great way to get your foot in the door and code in a professional setting. Creating and maintaining automation frameworks is great experience.

    If you're still learning, and applying to places to become an SE, consider applying for some test roles. Just my advice.

    submitted by /u/dr-freddy-112
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    What's something your CS professors tried to teach you that you ignored, but now realize was important all along?

    Posted: 18 Apr 2021 08:30 PM PDT

    I'm wondering about lessons that folks may have encountered in college and initially ignored, but looked back upon and realized was important.

    submitted by /u/cloud_line
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    Any good programming projects for an intermediate coder?

    Posted: 18 Apr 2021 08:00 PM PDT

    Hi,

    I love to create, code, and share games, and it's enjoyable. I also want to do something with my intermediate coding skills, in Java and JS, and build a project or app or something that can be impactful. Can someone please provide some advice/ideas? Thanks!

    submitted by /u/coder58
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    The Git & Github Bootcamp by Colt Steele

    Posted: 18 Apr 2021 02:08 AM PDT

    This course is about 17hours long. Is it more or less to learn about Git & GitHub? And, are their any better resources?

    submitted by /u/Successful_Donut_928
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    How to use a static library inside of another static library?

    Posted: 18 Apr 2021 11:20 PM PDT

    Hi, im using visual studio 2019 and i have 2 projects, 1 of them is a library and the other one is the application using said library, my problem is i want to use functionality from another library from inside my library, I tried linking it in the Librarian/General/Additional Dependencies, but it gives me link errors always, i have linked the third party library in both my projects (my library and the app)

    This looks something like this from top down view: StaticLibA.lib -> StaticLibB.lib -> MyApp.exe

    If someone could help that would be amazing :)

    EDIT: So the librarian option was correct my library builds successfully, but the main app is complaining with a link error (the app has an added reference to my static lib)

    Link error:2>StaticLibA.lib(test.obj) : error LNK2001: unresolved external symbol __imp_curl_easy_init

    2>path\to\MyApp.exe : fatal error LNK1120: 1 unresolved externals

    submitted by /u/xXTurnerLP
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    Compiler Construction or Quantum Computation?

    Posted: 18 Apr 2021 09:59 PM PDT

    Hello, I need to take an elective class for my uni. Are they practical? Which of these is easier?

    submitted by /u/awmi
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    Tips for self taught devs from one that made it!

    Posted: 18 Apr 2021 10:05 AM PDT

    https://t31k.medium.com/6-tips-for-self-taught-devs-looking-for-their-first-job-5086a74574b1?sk=1d1892321718a80e02694bb79a8c67f6

    Hi guys, some of you probably remember me. I posted multiple times since the inception of my self taught journey. This sub gave me a lot of inspiration & help in my journey and I thought it would only be justifiable by giving back. So here are some tips I've gathered from my own journey.

    Enjoy.

    submitted by /u/T31K
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    Best way to store images

    Posted: 18 Apr 2021 08:51 PM PDT

    I'm.working on a little React app which can have images uploaded to it. What's the best way to store them? I'm afraid something like AWS would get out of hand for me if I'm treating and add lots of images.

    submitted by /u/tmpphx
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    How do you develop interest in programming?

    Posted: 18 Apr 2021 08:48 PM PDT

    I have been trying to learn to code for about 2 years now, I don't give each and every day to it but still trying to give some time. The problem is whenever i want to learn something, I have to watch these really really boring youtube or udemy tutorials. During this pandemic from last year and now, watching these tutorials without seeing any human interaction, just a plain text editor in which some other person is doing something, is reallly boring tbh. From the very beginning, i have always been a student who enjoyed a class with a real teacher standing in front of me always present to clear my doubts, but here, i have to look upon random sites to clear my stupidest doubts and that is frustrating. Idk why these blank videos have so high ratings and how come people even enjoy watching them for hours... Pls help if u can..

    submitted by /u/arthur_from_rdr2
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    Predicting beyond test set with LSTMs?

    Posted: 19 Apr 2021 12:19 AM PDT

    (Posted to r/learnmachinelearning too)

    hey I'm new to lstm's. I've used the following as a tutorial: http://rwanjohi.rbind.io/2018/04/05/time-series-forecasting-using-lstm-in-r/

    In order to predict beyond my test set, I've made a modification (to see future movement comment): https://pastebin.com/9psAeNrA

    but all I get is a straight line going up as my prediction. I think I'm doing something very stupid here. Can anyone help clarify what I should be doing instead?

    Also full disclosure - been using R instead of python due to a bunch of strange system issues when trying to run my py code

    submitted by /u/throwaway-applicant
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    Which programming areas are not saturated?

    Posted: 18 Apr 2021 10:53 AM PDT

    Want to see your opinions, i think web development is highly saturated

    submitted by /u/solidmedusa
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    Free tutoring today

    Posted: 18 Apr 2021 10:40 AM PDT

    Hi all,

    I'll be offering free video tutoring on a first come first serve basis for the next few hours. I've been thinking of taking that on as a side gig and would like to get some more experience before diving in. If there's sufficient demand I might cap a session at like 30 minutes or so.

    My credentials: I'm a professional software developer with about 4 years experience. My area of expertise is in web development, particularly with .NET and React. I'll be open to any questions you have in any framework/language/pattern/soft-skills/career advice/etc and see what I can do to help. Any feedback or advice is also appreciated.

    Reach out to me on discord: hobblyhoy#6060
    If I dont reply I'm probably already on a call.

    submitted by /u/hobblyhoy
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    New to SQL and trying to run it in a Mac!

    Posted: 18 Apr 2021 11:27 PM PDT

    Hey guys, so I'm new to programming and am trying to learn SQL. I have a Mac so it is not compatible and tried running it on a Docker but couldn't figure it out. Would you suggest I just learn using SQLite or something to start off with or go through and try to figure out the docker? Thanks guys!

    Edit: sorry guys I'm not having a fun time with this docker stuff. I'm super new to programming and tried downloading the docker and now it's saying I need Rosetta in order to run it. Is there an easier alternative?

    submitted by /u/lucasw9
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    Gradient background image using CSS

    Posted: 18 Apr 2021 11:15 PM PDT

    I want to create something like this for the top section of my one-page website: https://i.stack.imgur.com/sliwV.jpg

    I have figured out how to repeat a background image, but I was wondering if there is a way I can specify opacity for each time the image gets repeated.

    This is the CSS code I've used for the section:

    section{ width: 100%; float: left; height: 100vh; background-image: url("img/bgflower.jpg"); background-repeat: repeat-x; background-size: contain; } 

    Please suggest any methods I can use to achieve the same, thank you!

    submitted by /u/twentyseen
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    Why can’t we code device driver in higher level language like Java or Python?

    Posted: 18 Apr 2021 10:54 PM PDT

    Hi,

    I recently gained interest in C and is learning about what are the jobs that use C.

    My understanding is most of the time device driver is coded in C since it's a lower level language which is closer to hardware.

    But theoretically, all programming languages are compiled into machine code. So why can't we program hardware drivers in other languages like python or Java? Is it because of the dependency of interpreter / JVM is too cumbersome?

    I've never coded in C so sorry if the question seems dumb.

    submitted by /u/johnnychang25678
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    Productivity tools

    Posted: 18 Apr 2021 03:07 PM PDT

    If you as many others believe that 24 hours of a day is not enough for one day and you have different projects in your mind to do, I suggest you to use productivity tools. I've been using these tools for a while, GoogleGoogle Calender , Pendulums for Time Management and Time Tracking, Trello for Task Management. I think time is the only thing in life we really have. Let's not waste our time in 2021. These three tools I mentioned above are free and very easy to use. Also Pendulums is unlimited in number of projects and team members for teamworking. If you know productivity tools like these, let me know please. In outbreak of covid-19 the best way is work remotely these tools help us.

    Wishing you beautiful moments,more health snd smile.

    submitted by /u/hatame20
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    Hey sorry if this post breaks any rules. Looking for a function that adds a number of days to a date (dd/mm/yyyy) without using modules.

    Posted: 18 Apr 2021 10:22 PM PDT

    I know this process can be easily done with the datetime module.

    Recently, I tried to make a function that could add a given number of days (negative days as well) and return the resulting date in a dd/mm/yyyy. I'm knew to programming and I couldn't figure it out. I would copy the code from my PC that I wrote but I'm not at home currently.

    Was wondering if anyone could help me out and sorry again if this breaks some sort of rule. Thank you!

    Edit: forgot To add I created a daysinMonth() function for finding the days in a given month and a isleapyear() function which I think you need to use in the addDays() function but might be wrong.

    Edit2: forgot to include that this in python!

    submitted by /u/PM_ME_PENILE_FRACTUR
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    Personal projects do you develop from scratch every single thing?

    Posted: 18 Apr 2021 05:59 PM PDT

    Hi,

    When I work on a personal project, and for example, I want to build a form on my website, I know how it works and what code I'm exactly looking for to make it work in the end but I feel like a failure if I didn't actually think by myself of every single step how to get to the code by myself, how to think of every single step and build it without looking it up, which gets me stuck many times.

    I'm just curious how it works in the real world if I'm looking to build a personal project which I want to use on my CV later, should I develop every single step and write all the code by myself or it's okay to copy and paste for example a whole function from StackOverflow which I completely understand how it works?

    Thanks, I'm dedicating full time to build personal projects to find a job later and would love any tips

    submitted by /u/SuccessfulTrick
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    Eclipse with Operator Mono Font Doesn't look Correct.

    Posted: 18 Apr 2021 09:35 PM PDT

    Hi recently switched to Spring Tool Suite which is based on Eclipse, From VSCode.

    In vscode I was used to having Operator Mono Lig as my primary font, it worked great, had no issues.

    But when I did the same in STS, my font doesn't look good.

    I OPENED the same file in both vscode and sts and in sts the space between symbols and characters are ignored, overlapping them, which makes code look bad.

    Here are pics for comparisons, can anyone help me solve this??

    https://ibb.co/2Sdrncf

    https://ibb.co/7VvFcq6

    (Please don't mind the image quality, don't know that much about how to make them, so edited them in paint.)

    submitted by /u/Mr_Anonymous_T
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    help - data extraction from website

    Posted: 18 Apr 2021 09:13 PM PDT

    hi

    noob here. I have a local website that i can search a database of houses (after entering a search term) and it lists the all the results etc (a standard search function) - all the data related to the individual "results" are displayed when clicked on.

    I have noticed with the search that when i click a result - it is essentially just the same url with an ascending suffix at the end (i.e. .com/100000 then .com/100001) - all incriminets of a digit.

    I want to download the whole database - is it possible to extract all the data base into excel or something similar? either from the the main search page url or using a "range" from the url of each result?

    thanks

    submitted by /u/000h00R
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    Site for computer science tutor

    Posted: 18 Apr 2021 05:24 PM PDT

    I'm having a hard time, with a Java assignment. Everyone is freaking out in the class. Do you guys know any website where I can have a one to one session with a professional?

    submitted by /u/Working-Reindeer
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    Any SDL2 C++20 tutorials ?

    Posted: 18 Apr 2021 09:07 PM PDT

    I could have posted in r/cpp but I don't see much help there.

    I recently started learning C++ and I found out that SDL2 is really good.

    My target for learning C++ is so I could be a better programmer at JavaScript (been using it since last 10yrs)

    As well I love to code 2D games for fun. I previously used GoLang (pixelgl) for that.

    - Can you please point me to any SDL2 (which use modern C++) win32 tutorials

    - I'm ok with paid courses as well

    submitted by /u/laggySteel
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