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    I have 12 years of experience but am struggling! learn programming

    January 02, 2019

    I have 12 years of experience but am struggling! learn programming

    I have 12 years of experience but am struggling!

    Posted: 02 Jan 2019 04:23 AM PST

    Hi guys,

    I am feeling embarrassed writing this. But I have to. I have got a healthy experience in .net, .net core, SQL and angular, hybrid mobile apps etc. I have had team lead experiences and am a avid problem solver. People come to me for advice and when are stuck and my knack of problem solving, asking right questions and getting answers for them goes a long way in helping them. People from business, managers and dev's come to me. They know if I am on it it will be done. But I am lost and am struggling.

    I have been in a insurance industry for a while.Know ins and out of it. Code for it.I have known the front end backend and even the api's or business logics. Nothing smart here as have been in this for last 4 to 5 years. Have decided to make a career move and am lost now. I am trying hard for a career change. I have been doing interviews, weekend assignments but nothing has worked out. Sometimes my code is not top level. Sometimes I have failed in drawing board tests. Sometimes online program tests.Sometimes I have done all this but failed interview tests. Sometimes I have failed because they feel I do not have leadership qualities.

    The issue is I am trying to get bigger roles, better organizations and a good pay. But it looks like it's not working. Sometimes people want cloud experience and sometimes more GIT and devops experience. I have issues. I am trying to learn cloud and security. But along with interview assignments and preps I do not have enough time and energy to keep on learning everything. I am trying but it's not working.

    I recount my earlier days. I learnt on the job. Picked skills along the way. Worked my butt out but somehow in a very weird way have been in a rut and reached a dead end. It's hard to explain but constant rejections is denting my confidence and keeness.

    People are suggesting become a business analyst . Don't change your domain. Be in the same kind of role. But I am finding it hard to grow and cope outside of my 'zones'. With onsluaght of new techs, new languages new cloud focus and along with lack of leadership skills I am lost. I just do not know how to get to the next level. How to find the better job. How to get out of insurance domain exp and grow. I just do not know what to do.

    Someone suggested MBA some other suggested a sabbatical, polish skills and then rejoin workforce. But I cannot do this as a constant pay check is needed to pay of my Bill's. My family is also going to grow. But this new year unfortunately on the career front does not look very bright. I do not know how to get further. How to grow. And to be honest am little tired.

    Any advices or suggestions will help.

    submitted by /u/anucode13
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    A short guide I wrote on learning iOS development using Swift - do check it out if you are interested in the field!

    Posted: 02 Jan 2019 06:23 PM PST

    Check it out here: https://github.com/kjaisingh/high-school-guide-to-ios-development

    Do let me know if you have any suggestions or feedback - it would allow me to improve the guide!

    submitted by /u/kjaisingh
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    C++ passing pointers and addresses

    Posted: 02 Jan 2019 07:28 PM PST

    This isn't quite "homework" but I'm not posting a tutorial either, homework seemed closest. Sorry for formatting errors, the copy-paste from visual studio to reddit mangled some stuff.

    I am writing a class that should capture certain matrix behavior, and I'm going to "store" the matrix data as a single vector and access/update them using pointer arithmetic. The data will actually exist outside these objects, the classes are really just an interface to facilitate manipulating this pre-existing external data source via () operator overloading, and I want it to use pointers (or potentially references) to avoid the cost of copyng the data into my objects. However, there are two kinds of matrices (I'm aware of): row major and column major. It's not too hard to modify the pointer arithmetic between row and column major, here's the code I have for my matrix objects:

    template<typename dataT> class RowMatrix { public: // constructors // construct with pointer RowMatrix(const size_t M, const size_t N, dataT& initInd) : num_rows_(M), num_cols_(N), storage_(initInd) {} // member functions // accessors size_t num_rows() const { return num_rows_; } size_t num_cols() const { return num_cols_; } // operator overloads - will fail without notice if index OOB because the GPU environment doesn't support throws dataT& operator()(size_t i, size_t j) { return *storage_[i * num_cols_ + j]; } const dataT& operator()(size_t i, size_t j) const { return *storage_[i * num_cols_ + j]; } // view functions VectorView rowView(size_t& length, dataT& vecStorage){ return VectorView(length, vecStorage);} VectorView colView(size_t& length, dataT& vecStorage){ return VectorView(length, vecStorage, this.num_cols() );} } // members private: size_t num_rows_, num_cols_; dataT* storage_; };

    ​

    template<typename dataT> class ColMatrix { public: // constructors // construct with pointer ColMatrix(const size_t M, const size_t N, dataT& initInd) : num_rows_(M), num_cols_(N),storage_(initInd) {} // member functions // accessors size_t num_rows() const { return num_rows_; } size_t num_cols() const { return num_cols_; } // operator overloads - will fail without notice if index OOB because the GPU environment doesn't support throws dataT& operator()(size_t i, size_t j) { return *storage_[j * num_rows_ + i]; } const dataT& operator()(size_t i, size_t j) const { return *storage_[j * num_rows_ + i]; } // view functions VectorView rowView(size_t& length, dataT& vecStorage){ return VectorView(length, vecStorage, this.num_rows() );} VectorView colView(size_t& length, dataT& vecStorage){ return VectorView(length, vecStorage);} // members private: size_t num_rows_, num_cols_; dataT* storage_; };

    Questions 1,2,3,4: Am I using those accessor functions correctly in the () overload? Those should be able to retrieve the value at the indicated array point and also update the data at that point as well via the = operator e.g. A(1,1) = 3. Is it better to use a pointer here or a reference variable for storage_? And what will happen if the first value is 0? 0 is a valid value for a matrix, will that make the pointer null? I want to be able to do pointer arithmetic/move through the array, is that possible with a reference?

    Because there's a lot of repetition between the two classes, I originally wanted to do a Matrix superclass with the members and have rowMatrix and colMatrix inherit from that and then have each implement their specific functions, but I didn't like that there would be a default constructor in Matrix that could just point at anything (I believe). Question 5 in regards to inheritance: would it be better to do this via inheritance or, because it's so simple and so many of the "same" behaviors are actually doing different work under the hood, they're just nuanced enough that most would need to be overwritten and the only things they actually share are the members, does it make sense to bother with inheritance, esp. when that leaves a default constructor in the parent that potentially just points anywhere if ever invoked?

    Second, I need to be able to "view" subvectors of varying lengths of the original matrix and do manipulations on those subvectors, e.g. if I'm working with a 4x4 matrix, I want to be able to create an object that is the 4 columns of row 3 of the original matrix, or an object that is 3 rows of column 2, starting at row 2, etc. Functionally, each of those subvectors is a vector object, and I'm going to use them as such in a dot product function, scaling function, etc. that consistently uses smaller and smaller vectors. My first thought was to have 2 classes, RowView and ColView, but I realized there was a way to have one class and capture the nuance of a column vector in a row-major orientation and row vector in column-major via member functions of those classes rather than 2 distinct View classes.

    Here is that code:

    template<typename dataT> class VectorView { public: // constructor VectorView(size_t& vecLength, dataT& initInd) : mMAS(1), length(vecLength), storage_(initInd) {} VectorView(size_t& vecLength, dataT& initInd, size_t& axisSize) : mMAS(axisSize), length(vecLength), storage_(initInd) {} // accessors dataT& operator()(size_t i) { return *storage_[i * mMAS]; } const dataT& operator()(size_t i) const { return *storage_[i * mMas]; } size_t length() const { return length; } size_t MALength() const { return mMAS; } // members private: size_t length, mMAS; // mMAS = Matrix Major Axis Size dataT* storage_; }

    Question 6: am I using pointers correctly here? This is basically questions 1-4 from above but with this second class.

    Thank you, any and all help is appreciated!

    submitted by /u/Khenghis_Ghan
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    Design patterns for Node.js?

    Posted: 02 Jan 2019 03:24 PM PST

    So I posted recently about things I should learn as a Node.js dev, and one of the main things people told me was design patterns and best practices. I understand the concept of design patterns, but how can I delve more into them and best practices? I just don't really see what types of projects I can do and add to that would encourage these things, so let me know!

    Thanks!

    submitted by /u/oraclehurts
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    How a project is made with more than one programming language?

    Posted: 02 Jan 2019 05:21 PM PST

    I heard some companies have their backend made in Ruby on Rails but with some methods made in Go, how is this possible?

    submitted by /u/manolesparta
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    [Python] what is the difference between the two following lines?

    Posted: 02 Jan 2019 06:13 PM PST

    list_copy = list

    list_copy = list[:]

    submitted by /u/omegacoo
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    Algorithms, by Jeff Erickson

    Posted: 02 Jan 2019 05:52 AM PST

    [Javascript] Understanding callbacks

    Posted: 02 Jan 2019 04:50 PM PST

    1. How do we know if a callback is async or sync? Can you even create async/sync callbacks? I know that some built-in methods are async (like timeout).
    2. Why not just call a function instead of a creating a callback (An example to counter this would be amazing!) ? Besides from the benefit of you being able to re-use the code with different functions acting as the callback function.
    submitted by /u/badboyzpwns
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    What resources should I look into creating bots for Android apps in blue stacks.

    Posted: 02 Jan 2019 11:37 PM PST

    Hi all, as the title says as a personal project to expand my knowledge I want to create Android bot(s) for BlueStacks emulator or Nox. I was looking around and people tend to say that you need to have knowledge of C#. Is there any tutorials or guides that you guys can refer me to to get started.

    Side note: I have created a discord bot already and am proficient in C++ and C.

    submitted by /u/SamaritanJew
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    Best way to learn a new computer language? Specifically python for Data Science.

    Posted: 02 Jan 2019 07:21 PM PST

    Hi guys, I'm a Computer Science student and I've been programming since HS so I have a fair amount of experience and I'm trying to get into data science on my own because my university is pretty sh*t but, even though I have the concepts of things like loops and all that stuff, I have a really hard time trying to understand how all that is used with datasets and stuff. Do you maybe have any advice on project ideas for getting the hang of the data science process?

    (I've tried Kaggle courses but didn't feel them really useful beyond the basic python course)

    submitted by /u/Konga98
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    Can I read and change existing data on a NFC tag?

    Posted: 02 Jan 2019 07:19 PM PST

    Hey everyone,

    ​

    There's a festival happening in my city and they have given us bands with NFC tags embedded in them. We have to load these bands with money we can spend in the festival.

    ​

    My question is, is it possible to read the current loaded amount on one of these bands and write a new amount? I know this is probably illegal so don't plan on doing it but would love to know for curiosity purposes.

    submitted by /u/heybournnn
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    Best Language for Pet Project

    Posted: 02 Jan 2019 07:12 PM PST

    I am relatively new to programming. I know LaTeX (math grad student here) and I have taken a C# class and have played around with Python a little bit. I'm not a very tech savvy person but would like to become so. Anyway, this "pet idea" I have is probably something most PC's can already do, but I'd like to try doing it on my own anyway, so here it goes...

    What I want to do is come up with a way to control the volume on my computer depending on where the cursor is. In particular, suppose I have two different games streaming, both open in different windows on different sides of the screen. If I'm watching Game A with sound (Game B no sound) but suddenly realize something big is happening on Game B, I want to simply scroll the cursor over to the part of the screen where Game B is playing and have the volume immediately transfer from Game A to Game B.

    Is this possible? Is this already an application on most PCs or Macs? What language is best to use to set up such an application?

    submitted by /u/gorzardfu
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    How to run HTML doc with embedded javascript?

    Posted: 02 Jan 2019 10:48 PM PST

    So I actually have a lot of programming experience but mostly in mobile stuff, I have used html and javascript but it was a few years back and I'm completely blanking. I am trying to use js-sequence-diagram, which generates UML sequence diagrams from text files, for a project I'm working on. I've installed bower and the correct packages, but now I'm blanking on how to run a simple HTML web page. I put the following code in sublime:

    <!DOCTYPE html>

    <html>

    <head>

    <div id="diagram">Diagram will be placed here</div>

    <script src="bower_components/bower-webfontloader/webfont.js" />

    <script src="bower_components/snap.svg/dist/snap.svg-min.js" />

    <script src="bower_components/underscore/underscore-min.js" />

    <script src="bower_components/js-sequence-diagrams/dist/sequence-diagram-min.js" />

    <script>

    var d = Diagram.parse("A->B: Does something");

    var options = {theme: 'simple'};

    d.drawSVG('diagram', options);

    </script>

    </head>

    </html>

    I then saved the file and opened it, and it opened in chrome as a blank webpage with the text "Diagram will be placed here". Is there something further I need to do to get these scripts to run? Or maybe I screwed something up with the installation? I checked all the src paths and they are all exactly where they should be. I am confused as to why my diagram isn't being displayed.

    Edit: Strangely, when I put the scripts above the div, the text "Diagram will be placed here" doesn't display at all.

    submitted by /u/_FUCK_THE_GIANTS_
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    Is a Bootcamp worth it?

    Posted: 02 Jan 2019 10:42 PM PST

    Hi reddit,

    Happened upon a facebook ad for the Northwestern Data Science Bootcamp and I'm trying to decide if this is worth my time and money. I'm working on some personal projects on my own and have some prior experience in coding, but I feel like this covers so many subjects that I would not know where to begin with on my own. Others have recommended online courses and I've had some luck with those in the past, but have found that my motivation/time to dedicate to these ebbs and flows based on other things that are happening in my life.

    A little about me:

    • 24 y/o, employed full-time with a tech/data company. I get to use basic SQL and a little bit of PL/SQL in my day-to-day, so I'm fairly proficient at that, but I know I could get better. My company is also pushing AI very heavily recently, so any experience - even basic - I can get with that will be beneficial I believe.

    • I have some prior coding experience as I mentioned earlier. I took several CS classes as an undergrad and am moderately proficient in C++ and Python. However I was not a CS major nor did I finish the minor, so I'm just a guy with a passion for coding.

    My employer will likely reimburse the cost of this course up to $5000, so after a bit of googling it appears I will only pay around half-price. Is this worth it?

    submitted by /u/CapnDanger
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    Where to learn more programming

    Posted: 02 Jan 2019 10:42 PM PST

    I'm interested in programming but not sure where to begin. What language should I learn first and where can I learn it?

    submitted by /u/ExactPiglet
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    Online Course on Generative AI

    Posted: 02 Jan 2019 01:55 PM PST

    In January 2019 there is the first complete online course on Generative AI coming up.

    As generative AI will strongly disrupt we generate content of pretty much any kind, I recommend to at least take a look here --> https://generativeai.net

    The probably most interesting application of Generative AI is generating the data that is needed to improve your dataset for a better AI performance.

    Perhaps interesting to you?

    submitted by /u/martinmusiol14
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    Python Setup Help

    Posted: 02 Jan 2019 10:27 PM PST

    Sorry if this is somewhere in the FAQ, I looked through and couldn't find quite what I was looking for. Basically I know nothing about programming/code and have chosen Python as my language to learn. I have done a lot of research and many articles/videos have been confusing or assuming I know a certain amount already (which I do not). I am on the latest version of Mojave on Mac. I have downloaded and installed the latest version of Python and have watched videos explaining what Idle is etc., I got that far, but all the videos I have watched are saying I need a bunch of other programs to go along with it. So I am asking is if I do need those programs, what are they and what do they do? Like I said I know absolutely nothing so I'm extremely overwhelmed. Thank you in advance.

    submitted by /u/1Wraith
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    Any "design patterns" for structuring CSVs?

    Posted: 02 Jan 2019 10:26 PM PST

    I would like to implement a "export as CSV" feature in a website that has a survey feature.

    I have no idea how the CSV should look like.

    A survey can have multiple "sections" (I think omitting sections in the CSV would be fine), and in each section contains survey questions.

    Survey questions can be the following:

    • Multiple Choice Questions (Can only select one)
    • Multiple Response Question (Can select as many choices)
    • Open ended (text area)

    How would the header look like?

    Here's what I have come up with:

    for MCQ and open ended the header just contains the question. The rows for MCQ is just the primary key for the question in the database.

    For MRQs, the header contains all the choices (e.g. "what is your favourite ice cream?[Chocolate]", "what is your favourite ice cream?[Vanilla]"...

    The rows for MRQs are just booleans.

    Does this look about right?

    submitted by /u/dexterleng
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    launchcode codergirl

    Posted: 02 Jan 2019 10:16 PM PST

    Anyone here completed their Data Science program? I would really love to hear any experiences, as on their website there are lots of success stories, but only for those that completed LC101, yet just a few who attended the codergirl program...

    submitted by /u/almae12e13
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    Udemy class sales worth it for a complete noob?

    Posted: 02 Jan 2019 06:19 PM PST

    I see theirs a sale on all the udemy lessons and they have pretty good reviews, I'm looking to pickup python, c++ and web development. Any others I should grab while the sales last?

    submitted by /u/loonlake5
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    <iostream> file somehow not being included by MinGW

    Posted: 02 Jan 2019 10:04 PM PST

    I've made a program that I know works but when I try to compile using gcc/g++ it spits out errors about std::cout being an undefined reference. It compiles programs that don't include iostream.

    My first line is:

    #include <iostream>

    I use command prompt to compile and do this by:

    gcc main.cpp -o help.exe

    I'm using the latest version of command-line MinGW on 32-bit Windows 7 (I know, I know) if that helps.

    ​

    EDIT (SOLVED):

    Using g++ instead of gcc works.

    submitted by /u/ozzietheostrich
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    need a resourse online to do a repetitive list with 1,2 digit changes per line, can you help ?

    Posted: 02 Jan 2019 09:58 PM PST

    Simply put I need to make a huge list that is similar to this idea:

    2019-01-02 11:00:00

    2019-01-02 11:00:01

    2019-01-02 11:00:02

    2019-01-02 11:00:03

    2019-01-02 11:00:04

    and so on, changing 1 or 2 digits per line, but I will go crazy if I had to do this by copy pasting, delete and type the new number, how can I find a better way to do this, this list might be thousand lines long...

    submitted by /u/_DK_
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    [meta] What should 1st year cs students do in their first semester? what would be reasonable?

    Posted: 02 Jan 2019 09:57 PM PST

    This is a bit of a speculative question. I had some experience with programming when I went into my first year of school and there were definitely people who had no idea what python or cmd/shell are. We spent a lot of time on basics with only assignments being somewhat challenging. Did anyone else have similar experience? Do you think something can be changed?

    ​

    However, What do you think would be reasonable? Is really spending a semester learning int vs float, string vs character and finishing with open(filename, mode) that effective (I do think that is an important concept but it can be taught alongside with bigger projects)? Is throwing more challenging concepts earlier would work?

    ​

    I would love to hear what you guys think. Also if you know cs courses which get their content right feel free to share :)

    submitted by /u/Nunuvin
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    Learning how to deploy server applications

    Posted: 02 Jan 2019 05:53 PM PST

    Anyone have any good resources on deploying server side applications? I can write server side code (C#, node.js) and deploy the application on my own local host...but for some reason I'm intimidated by actually getting it up and running for public facing. Any good resources/videos?

    submitted by /u/Dipsendorf
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    Learning buddies

    Posted: 02 Jan 2019 05:51 PM PST

    Oh hi, I am learning to code and looking for someone or a small group to team up with and bounce questions off. I'm working through the Javascript curriculum on freecodecamp.org currently, my only other experience is in excel and Factorio :) I'm based in Berlin if that helps.

    submitted by /u/rushfordj
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