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    Need help understanding 'this' Ask Programming

    7 years ago

    Need help understanding 'this' Ask Programming

    Need help understanding 'this'

    Posted: 05 Aug 2018 01:56 PM PDT

    Hi everyone!
    I am new to programming, and I wanted to learn about 'this', and it's uses in Java/C# etc.

    I wanted to get a better understanding of the concept, and possibly practice using it over the weekend as I think it is an absolute necessity to have a clear idea about it if I wanna work in any software dev job.

    The problem is, when I search for it online, I can't really find a lot of good resources for it. There are a lot of videos, I know (Youtube link 1 -Java this , Youtube link 2 - C# this , Google Search for 'this' etc etc), and believe me, I'm going through them slowly but in my experience, there has been many times while programming where I don't get something, and don't get it, and don't get it, and all of a sudden there is some really good article or video that kinda flips a switch in the brain and there is an 'AHA!' moment, and everything just makes sense all of a sudden.

    I am trying to find that with 'this'.

    I apologize in advance if you think that this is a noob question, and the answer is just to google it and read it, but I'm trying to get help from someone who has had a similar experience with a topic or two, and can give me advice. I would really appreciate it if anyone who has had a similar experience could guide me or point me to something that helped you understand it.

    submitted by /u/aabbbbaaa155
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    Not sure where to begin.

    Posted: 05 Aug 2018 10:15 PM PDT

    I want to generate a list of sequential urls, I'm not sure what would be the best way to go about it. My programming is on a beginner level and i dont want to spend a lot of time going down the wrong rabbit hole.

    I wanted to start with www.site.com/hls/1/stuff generate every address between that and www.site.com/hls/1000/stuff and output the list to a text file. What would be the simplest way to go about doing that?

    submitted by /u/shitishouldntsay
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    Return Zip Code based on just City, State

    Posted: 05 Aug 2018 09:07 PM PDT

    Is there an efficient way of returning the zip code of a city name and state?

    My current candidates are:

    • USPS Web API (currently tedious registration for a developer API, am reading through the documentation and have not had any good luck yet returning my desired results.)

    • Google Maps API (most of their examples are showing how to return a City name based on its zip code, the opposite of what data I would like returned.

    • SmartyStreets (hoping to find a 'cheaper' solution, currently 250 requests per hour)

    • Zip Code Depot (classic asp)

    I am hoping to have something similar to this web page: https://www.melissadata.com/lookups/cityzip.asp

    submitted by /u/scoobydoobiedoodoo
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    Where is the money at? (UK NEWBIE)

    Posted: 05 Aug 2018 08:18 PM PDT

    I'm currently a Web designer but I want to go into programming for the money. I enjoyed it at college and uni when we touched on programming briefly but I never really got into it due to... Life.

    I want to start learning a language for future job prospects, what would you suggest as a language for money and longevity?

    Thanks

    submitted by /u/AidanCKY
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    [Assembly] Which book on x86 assembly should I read?

    Posted: 05 Aug 2018 08:01 PM PDT

    I found 3 books on x86: Kip Irvine's "Assembly Language for x86 Processors", Paul Carter's "PC Assembly Language", and "Programming from the Ground Up". Which of those have you found the most helpful? Which one should I buy?

    submitted by /u/nanoman1
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    How do you fight the pressure of keeping up with everything?

    Posted: 05 Aug 2018 07:25 PM PDT

    Especially since a lot of programming skills are use it or lose it, does anyone else ever feel overwhelmed by how many things there are out there to stay competitive? I feel like whenever I learn something and try to explore the next topic, I end up forgetting what I previously learned, and it feels like it will never end,

    submitted by /u/jnzq
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    How to program arduino to shut off LEDs at a specific time and STAY OFF

    Posted: 05 Aug 2018 07:22 PM PDT

    Hi everyone, I'm a beginner trying to find code for an arduino of some sort or really anything that I can connect to an led pannel and have only one led turn off per month, and stay off, preferably this program would run for years.

    Does anyone have any ideas or even point me in the right direction?

    Thanks!!!

    submitted by /u/jajajaram
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    C# use of unassigned local variable

    Posted: 05 Aug 2018 06:54 PM PDT

    Hi, so i have a C# custom command line program on windows. The error im having is that a declaration of an object

    NetworkInterface adapter;

    doesn't take effect until after i attempt to use it, so the first occurrence creates an error. I have tried defining it in my else loops scope, my if loops scope, and in the class scope and it has not worked.

    if (LimitStr != "" || LimitStr != null)

    {

    NetworkInterface adapter;

    // net interface stuff

    for (int x = 0; x<Limit; x++)

    {

    Console.WriteLine(String.Format("Description -: {0}", adapter.Description));

    Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length, '='));

    Console.WriteLine(String.Format("Hardware Addr -: {0}", adapter.GetPhysicalAddress().ToString()));

    Console.WriteLine(String.Format("Operational Status -: {0}", adapter.NetworkInterfaceType));

    string versions = "";

    all of the loops are finished, and followed by more if loops. error is line 7, with the adapter in adapter.Description.

    if i type the same thing, but add something like

    string s = adapter;

    to the program, the rest works except for s.

    submitted by /u/arcaniussainey
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    What to do when team doesn't know/want to learn best coding practices?

    Posted: 05 Aug 2018 11:13 AM PDT

    The team is developing embedded firmware and desktop interfaces for that firmware and haven't had a proper software training. They refuse to use common design patterns and clean code practices. Project team leader is an electronics engineer and doesn't really know much about software design.

    I'm pretty much stuck with bad code and no one wanting to listen. What should I do?

    submitted by /u/Naturious
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    [Python] try while or while try?

    Posted: 05 Aug 2018 04:43 PM PDT

    As far as I can tell, the following two code snippets behave identically:

    try: while True: <code>

    and

    while True: try: <code> except: break

    So my question is, what, if any, are the differences between these, and which is considered better form?

    submitted by /u/hakr14
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    [C#] Should I make classes whenever possible?

    Posted: 05 Aug 2018 03:55 PM PDT

    How could I describe to my grandma what a programmer do?

    Posted: 05 Aug 2018 01:21 AM PDT

    What does a C++ program look like after it has been converted to C?

    Posted: 05 Aug 2018 05:39 AM PDT

    A Google search didn't turn up much.

    I'm a self taught amateur embedded C++ programmer so never I've never studied C as a separate language.

    Now I'm looking at a Cypress PSoC microcontroller that only supports C so I'm trying to get an idea of what naming and style conventions I'll need to adopt when converting C++ classes to the C equivalent. For example, if you have a bunch of C functions all working with the same struct would you give them the same prefix (like a class name)? prefix_functionName()

    submitted by /u/mjbmikeb2
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    How to create multi-page tiff file from multiple images using c# ?

    Posted: 05 Aug 2018 08:58 AM PDT

    Hi I'm trying to look at a folder and merge all the image files in the folder to a multi-page tiff file.
    I'm not an expert by any means, but can create simple apps.
    I was hoping that there would be some method in an open source library that I can call and it'll spit out the merged file.
    Google lead me towards ImageMagic, but I guess I'm too dumb to know how to use it.

    Any help in the right direction is appreciated.

    Thank you!

    submitted by /u/FearWillHoldUPrisonr
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    can a single programming language have multiple syntaxes depending on the interpreter?

    Posted: 05 Aug 2018 11:21 AM PDT

    this is sort of a dumb semantical question, but let's say we're programming in scheme.

    depending on what interpreter you use, you might have to capitalize key words such as "DEFINE" or keep them lower-case.

    if we consider this example, could it be said that each interpreter requires a different syntax?

    thanks a lot!

    submitted by /u/yo_sup_dude
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    Job roles between developer and project manager

    Posted: 05 Aug 2018 08:26 AM PDT

    I'm currently primarily a front end developer with experience across the stack and I'm looking to see where I can evolve from here.

    Two things I have noticed lacking in most of my positions are the lack of focus on architecting solutions for easy extensibility in the future due to a focus on deadlines to deliver features as well as a lack of technical definition being applied to business requirements.

    The gist of what I'm saying is that I would like a role which allows me to focus on working with non-technical team members who define business requirements to put me in a position to plan and architect the technical feature with the development team.

    A lot of my perspective on a role like this comes from my experience of seeing fluffy business requirements becoming fluffy technical requirements and then the actual requirements evolving from a trial and error approach which seems to always lead to a muddled codebase and user interface.

    I'd like to know what this job title is or if it exists. I would still want to write code and it feels like this role would liaise between the business requirements team, the designers and the front end team, with the api side of things being dictated based on what we create.

    submitted by /u/misplacedmind
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    Suggestions on how to study JavaScript course more efficiently.

    Posted: 05 Aug 2018 02:08 AM PDT

    Hey there!
    As an aspiring frontend web developer, I've decided to take up the following Udemy course to learn JavaScript since I am already familiar with HTML and CSS. My general approach when taking online courses is to sit with a pen and notebook and note down the concepts taught in the lectures. Is there anything additional I can do in order to understand the course more thoroughly? Would love some tips and tricks that you follow when taking up online courses.

    submitted by /u/SpiderAlpha33
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    Question: NodeJS (ES6): Design Pattern with bind usage?

    Posted: 05 Aug 2018 04:52 AM PDT

    I have a question, written on SoftwareEngineering channel of StackExchange and am currently looking for suggestions on the design architecture used.

    Link: https://softwareengineering.stackexchange.com/questions/376123/nodejs-es6-design-pattern-with-bind-usage

    submitted by /u/manish_demblani
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    Self-hosted remote logging service

    Posted: 05 Aug 2018 04:21 AM PDT

    TL;DR: I am looking for a simple free self-hosted remote logging solution.

    I am building a web service that deals with limited sentence parsing. will produce a lot of false matches at the start. I would like to catch those mismatches (as well as user inputs and correct matches), but I would like to move all this functionality to different service.

    I am imagining remote service as a simple rest app. My app would call logging API with arbitrary payload data. Logging service would save this data to database (pg or mysql). Logging app should also have some kind of interface where I could access saved data, sort it, combine it and filter it.

    Does something like that exist?
    Thanks!

    EDIT: I forgot to add that app should preferably be free. Or cheap at least.

    submitted by /u/Pavlic
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