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    Monday, July 23, 2018

    Is there any place for me to learn more about the scientific analysis of Information Systems? Ask Programming

    Is there any place for me to learn more about the scientific analysis of Information Systems? Ask Programming


    Is there any place for me to learn more about the scientific analysis of Information Systems?

    Posted: 23 Jul 2018 04:40 PM PDT

    I went to some of the databases I had access to via my library and the only journal that seemed to cover the topic of Information Systems was IEEE spectrum.

    Most of the articles I could find was talking about things on the link layer and generally did not apply to what I do, but I did find a couple of journal articles that applied to software. I recommend reading Towards an Application Level Elasticity by Middleware by Tércio de Morais and Nelson Souto Rosa, Static and Dynamic Overprovisioning Strategies for Performance Consistency in Grids by Nezih Yigitbasi and Dick Epema, and Robustness in Complex Systems by Steven D. Gribble.

    I want to learn from the scientists studying Information Systems so I can make better recommendations.

    It would also be useful to know if there was any forum on any medium to debate choices of technology. I am most interested in the software stacks.

    submitted by /u/Oflameo
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    What are some technical questions I can use to screen candidates?

    Posted: 23 Jul 2018 12:53 PM PDT

    I'm looking for some technical interview questions that I can use to screen candidates with. Each question should not take more than 15-20 minutes to answer.

    Anyone have a link to an archive of questions or something? The topics I'm looking to cover include:

    • React
    • Javascript
    • Node.JS
    • Database basics
    • Web dev architecture (so, probably things like "explain what a load balancer is")

    To be clear, I'm not looking for traditional algorithms questions. I'm looking for questions that can screen for industry experience.

    EDIT: For reference, /u/anamorphism gave me the winning answer.

    https://github.com/MaximAbramchuck/awesome-interview-questions

    submitted by /u/ibopm
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    Creating custom ODBC drivers for API/SQL integration

    Posted: 23 Jul 2018 08:44 PM PDT

    Hi I am looking for some resources to point me in the right direction. I am trying to create a custom ODBC driver to use with an application that connects to a data source and requests/submits information via SQL queries. I want the driver to then interpret those queries into API commands, execute them, and process the reply to send back to this application.

    I have seen this done before from the following website:

    https://www.progress.com/connectors/custom-connector-sdk

    But the price they are asking to implement this is too much and I would like to do it myself.

    I am aware that this is not an easy task and I am not even looking for tutorials or code samples but resources on how ODBC drivers are created, what language(s) can be used etc.

    If this post is too vague please ask questions to clarify and I will try to where I can.

    Thanks in advanced for any advice.

    submitted by /u/DaedeM
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    Becoming a young web developer

    Posted: 23 Jul 2018 08:57 AM PDT

    16m, was wondering if it's realistic for me to try to learn web development in my free time in order to later on get a job around 18/19, only know some CSS and HTML atm.

    submitted by /u/lallareee
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    Best way to learn application development?

    Posted: 23 Jul 2018 09:39 AM PDT

    Hello, I am currently about to start my second year in earning a CS degree. So far I am comfortable with C and Python. I was wondering what i should make my next steps towards learning the necessary skills to develop mobile apps? I'm very interested in the field but don't know where to start!

    submitted by /u/colinm13
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    Android Studio Ads

    Posted: 23 Jul 2018 02:41 PM PDT

    Am I allowed to have a button called "Ads" so users don't have to watch the ads without wanting to? Or does that go against policy?

    submitted by /u/dnlaua
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    Is there a simple microphone detector for Windows (10)?

    Posted: 23 Jul 2018 02:25 PM PDT

    My goal is to reduce how much silence I have when streaming and a visual indicator that I am being silent would help. I have no idea where else to ask this and I couldn't get anything from searching, but as you can see I am not describing it well.

    I want to get input from my microphone, maybe with a minimum of 1 second of sound and hopefully able to filter by decibels (voice instead of a mouse click/keyboard), and if there is no input for 5 seconds then alert somehow (a flashing icon or something) until sound is detected.

    I don't know how to best describe this as a simple question/search query. Before I look into building something myself I wanted to make sure it wasn't something existing.

    submitted by /u/A_Whole_New_Me
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    How Critical is Unit testing?

    Posted: 23 Jul 2018 02:27 AM PDT

    I work in a startup and I've just spent the last 6 months updating all our legacy (ultra rushed) code to pass linting, setting up testing frameworks/protocols, writing coverage for old code and training my team to start unit testing things. Feature/integration testing is in the works but can't be rolled out until some of our issues are resolved with our stack.

    A major competitor is about to drop in and I just got told (read as mandated by the CTO) that we're dropping all unit testing, which are about the only tests we have, in favor of just cranking out features because testing takes too long and they'd get people to manual test instead. I've already protested and raised my concerns but they were all brushed aside. My team members also think unit testing takes too long.

    So, how critical is unit testing? Does anyone have any advice on how to handle this situation? How screwed am I? Should I start prepping my CV/Resume?

    submitted by /u/DevWithNoPurpose
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    Is HTTPS needed if I'm using VPN.

    Posted: 23 Jul 2018 07:52 AM PDT

    If i run the VPN server and ensure clients cant see each others traffic, do i need the additional overhead of having HTTPS, Can't i use HTTP? (TLS does add signifcant overhead on a lossy 2G network)

    submitted by /u/DueProfessor
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    what skills would be needed for windows tweaking?

    Posted: 23 Jul 2018 09:39 AM PDT

    e.g edits to explorer, system ui, etc

    submitted by /u/alloriginalnamesused
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    Simultaneous page edits on VSC?

    Posted: 23 Jul 2018 08:47 AM PDT

    I have a bunch of HTML pages open right now, and I'm constantly updating the header portion of my code. However, until now, I've just been copy/pasting updated headers from one file to another manually. Of course, this can get extremely time-consuming as more and more HTML pages are created.

    So, is there a way to edit all of my headers at the same time? Of course, for all intents and purposes, they're going to be the same on every HTML page.

    Thanks!

    submitted by /u/Lucas_Kabot
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    I need to mock up web and mobile interfaces and 'demo' them to a non-technical type.

    Posted: 23 Jul 2018 01:04 AM PDT

    I use the word 'demo' loosely. I don't expect a mockup to actually 'do' anything significant.

    However, part of my interface needs to have a draggable map. It would be nice if the mockup had a draggable map. I also need several dropdown boxes and the like - it would be nice if the dropdown boxes had the options i need in them - even if they were otherwise nonfunctional etc.

    I'd like something I can quickly throw together an interface concept in. Draggy droppy. 30 mins start-to-finish.

    Does such a thing exist?

    submitted by /u/boli99
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    How to find the number of increasing subsequences of length 3?

    Posted: 23 Jul 2018 08:24 AM PDT

    Say I have an array [2,1,6,3,7,4]. Its increasing subsequences of length 3 are: [2,6,7], [2,3,7], [2,3,4], [1,6,7], [1,3,7], [1,3,4]. So we have 6.

    Naive brute force is O(n3). You can make it a little smarter by looping over each element, then counting how many to its left are less than it, and how many to its right are greater than it, then adding the product of these two numbers to a cumulative sum. This is O(n2).

    But I need something faster, like O(nlog(n)) or O(n). Does anyone have any idea how to do this?

    submitted by /u/Sarcon5673
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    Help me start googling on how to automaticity send email with text news daily.

    Posted: 23 Jul 2018 07:49 AM PDT

    Hello,

    my friend is sailing around the world and has a really slow satellite internet connection, i would like to be able to automatically send him every day an email with news, somehow i think the easiest way would be to collect tweets from a single news reporting site, and then put that into an email and send it.

    i have no idea what to google for, how do i start?

    Is this idea even viable?

    submitted by /u/obicniakaount
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    Changing color of shapes in Java after already drawn

    Posted: 23 Jul 2018 07:12 AM PDT

    I am writing a program to simulate LED's turning off and on, and I need to find a way to change the color of the lights when a button is clicked. I am using the 'public void paintComponent' method with the Graphics object as a parameter to draw the LED's in a JPanel:

    private static Color green_on = new Color(61,229,61);

    private static Color green_off = new Color(28,160,77);

    public static void main(String\[\] args) { JPanel pnlCircle = new JPanel() { 

    public void paintComponent(Graphics g) {

    int x=77;

    int y=25;

    int d=20;

    //green leds

    g.setColor(green_on);

    g.fillOval(x, y, d, d);

    g.fillOval(x+50,y,d,d);

    }

    };

    I am wondering how I should go about setting the color of the LED's to green_off when a button is pressed. Can I send a Color parameter to the paintComponent method, or is there something else I can do?

    submitted by /u/R0T0
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    Simple Programming

    Posted: 23 Jul 2018 05:55 AM PDT

    I am trying to create a simple program that will allow a user to enter a value or a text then it will give out the equivalent information of that value or text.

    I want to do it on my own so I can learn a little bit of programming.

    I am not a programmer or a developer nor have any background. I just wanted to do this for my personal use. I tied to google for tutorials but I cant find any maybe someone here can point me on the right direction.

    Here is what I want to do or to achieve

    If I enter lets say "IOU" it will give the corresponding information 111.111.11.1 or AAA it will show [aaa@aaa.com](mailto:aaa@aaa.com).

    submitted by /u/KlaSiKaLucas
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    does PHP treat query string and form data same way?

    Posted: 22 Jul 2018 11:28 PM PDT

    curl -X POST https://www.example.url/doThings?data=sampledata
    and
    curl -X POST https://www.example.url/doThings -d data=sampledata

    seems to be behaving the same.

    For one of our projects, we needed to consume a REST API from third party. One of the developers misread the documentation and was calling the API using query string. This is a security risk, I caught it in review. But I was astonished to find out it was working correctly.

    I develop in Java, the third party API seems to be implemented in PHP. I have been in the industry for quite a while now. Is it just gap in my knowledge? or is it PHP being weird again? I have to be honest, I have not dealt with PHP much in my work.

    submitted by /u/hashMobiWolf
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    JS - Simulate keyboard button press?

    Posted: 23 Jul 2018 01:58 AM PDT

    Is there a way to simulate a left arrow (for example) press on the page? I searched a bit, and only found .click(), but that is a mouse click.

    submitted by /u/iShouldBeCodingAtm
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    How should I add an image to .html file for building a webpage?

    Posted: 23 Jul 2018 12:51 AM PDT

    I'm learning how to build a webpage, and this is probably a stupid question (I might be sleep deprived). Anyway, I couldn't find an answer. I'm on Mac OS and I'm adding an image to a sample web page I'm making. I don't want my admin name to keep showing up in the .html file. (the home folder in mac os is called by the admin name by default)

    The line currently looks like: <img src="/Users/keenan/WebDev/IMG/nasa-45069-unsplash.jpg"/>.

    So the path of the photo includes my admin name "keenan". But is there some way to keep my admin name out of this, while still sourcing the photo from my own filesystem? Is the only option in this case to source the image from a url? It also seems odd if I would have to change my admin name to something other than my name to get the desired result.

    Thanks


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