All Questions

0
votes
1answer
16 views

Who is responsible to challenge a PO?

I am relatively new to Scrum and I am not clear on the boundaries of a Product Owner. The PO that I am currently working with seems to behave more like a manager than someone who gives requirements to ...
0
votes
0answers
11 views

Micro-Services Architecture

I've obviously heard a lot about the Micro-Services Architecture and think it makes a lot of sense (especially with the success stories of Netflix). I'd like to implement a small Grails application ...
-6
votes
0answers
17 views

exercise in compilers(deterministic automata) [on hold]

can somebody help me with this difficult problem or just give me a direction oh how to take the automata?it s for a project and it is really very demanding . Έστω n κανονικές γλώσσες L1, L2, …, Ln, ...
-4
votes
0answers
20 views

Which library to display grid better in Conway Game of Life? [on hold]

I have implemented Conway's Game of Life in C++. I want to know which library shall i use to display the grid, as i am not satisfied with the output that i am getting on console. I need more control ...
0
votes
0answers
18 views

Moving from .net to Android - what is the best way for two apps I am developing? [on hold]

I have been developing with C# for a few years. I would love to go the Xamarin route but management have decided against that (too many java developers in the company) and I have to start learning ...
0
votes
0answers
10 views

BI, SOA, and ESB

I'm Trying to make a small prototype for a BI (Business Intelligence) architecture. My question is: Can i Integrate ESB (Enterprise Service Bus) to ease the communication between the differents ...
0
votes
0answers
10 views

What are the advantages of using async JavaScript modules (like AMD) for traditional sites?

This is specific to JS in the browser for a traditional multi-page site (i.e. not a single-page app). For single-page apps, the advantages are pretty clear: the main view page is going to be ...
2
votes
2answers
65 views

Software licensing of free abandonware

I recently found the game that was my first encounter with a computer, a DOS game running in text mode. It was released in 1984 and is available on abandonware sites, but I've started to wonder if I ...
4
votes
7answers
588 views

Is it normal for a programmer to not have 100% clarity over their own code at times?

I'm not an expert programmer so this may be why, but I've come to notice that whenever I create complex code (like a Chess game I recently made), I am able to write the correct code to get the program ...
0
votes
0answers
19 views

Async properties in interfaces to cater for the possibility of expensive first-time evaluation: Is this a good idea?

First of all, sorry if this post is too long. I'll start with the… Short version: Is it generally advisable or a good idea to design an interface property as asynchronous simply because we cannot be ...
0
votes
0answers
20 views

Switching a versioning scheme from X.Y to X.Y.Z

I have inherited an open source project, with a current version of 2.2. Since Semantic Versioning is all the rage, I am considering releasing the next version as 2.3.0 (perhaps starting with ...
-2
votes
2answers
53 views

Java 8 vs Scala? Which one to learn? [on hold]

Scala has been promoted with advantages of perfect mix of functional programming and pure OOP and some more features which is difficult to achieve with java like reliable multi-thread programming. I ...
-2
votes
1answer
26 views

Technical and Problem Solving type questions for Graduates [on hold]

My company is looking to hire some graduate developers soon so I wanted to start putting together some questions to ask in the interviews. Ideally I'd like to ask a few basic technical question about ...
0
votes
1answer
33 views

Simulated Annealing Contradiction?

The entire idea of simulated annealing is to avoid getting stuck in local optimums, which is why sometimes, a worse solution is accepted. However, simulated annealing will automatically accept a ...
-2
votes
1answer
43 views

Learning C as my first Programming Language [on hold]

I am Very new to programming and i am Learning C, My Question is: I am learning from book (C Primer Plus: Edition 5 by Stephen Prata) at home. Will i get enough grip over C language if i learn from ...
-1
votes
0answers
13 views

MVC Sites and Entity Framework (using DbContext)

I've been looking at a couple of the MVC tutorials on the ASP.NET website and and have noticed numerous of them make use of Entity Framework (especially the Identity provider stuff). Maybe my ...
-1
votes
0answers
18 views

How to add premium (featured ) user in an Entity–relationship diagram?

I have a table 'User' in my database. When the user makes a payment after placing an order for a package, he is considered a Featured(Premium) user of a company. How do I add this Premium (Featured ...
0
votes
1answer
14 views

Should a list or array of objects be represented as a lifeline in sequence diagram?

I have the following sequence diagram to add a student to a list of students. the implementation could be like List<Student> Students = new List<Student>(); Students.Add(aStudent); I ...
0
votes
1answer
92 views

Did Java avoid multiple inheritance here?

I learnt that Java did not allow multiple inheritance using abstract classes for simplicity. In java, after a good design of class hierarchy, SubType would not get into trouble of same method ...
2
votes
1answer
54 views

Callback functions: Semantics and maintainability, when they aren't necessary

Within the context of JavaScript/Node.JS; Will using Callback functions improve the maintainability of source code, when there is no need for async programming? For example does the plain code sound ...
0
votes
0answers
36 views

Are quotes said to escape what is in between them? [on hold]

I don't know whether to put this here on SO or english.stackexchange or if it fits none of them. I know backslash or caret or whatever the escape character is, is said to escape a character, ...
0
votes
0answers
36 views

Long-term strategy for implementing a plot auction system

I am currently working on an auction system. It works as follows: A business places a bid on a plot for a house. many houses make up a single plot e.g. plot 7 corresponds to a number of houses in a ...
-2
votes
0answers
45 views

How to start iOS development using Swift? [on hold]

I dont know if this is the right forum for this question.I went through the swift book of Apple and it is a great book for learning the language.However I dont know how to proceed after that to do iOS ...
0
votes
0answers
26 views

Rewrite Engine vs Boostrap type index file

I currently use apache mod rewrite on a site to redirect various queries / visitors such as this: if you come to example.com/authors/, you are redirected to authors.php if you come to ...
-5
votes
0answers
23 views

Write a program which recurrently move to right elements of array by given number [on hold]

Write a program which recurrently move to right elements of array by given number.For example for array {1, 2, 3, 4, 5, 6} and moved by 2 it should look like that {5, 6, 1, 2, 3, 4}. ` #include ...
0
votes
1answer
30 views

Swift Protocol Naming Conventions

Coming from a mainly c# background, I'm used to using the term "interface" for describing an object with no implementation that defines behaviour. In c#, the convention is to prepend interface names ...
-2
votes
0answers
44 views

Improving command line skills [on hold]

I'd like to improve my Bash terminal skills, knowledge and muscle memory. There are a lot of books and tutorials out there, but what I'd really love some recommendations on drills or repetitive tasks ...
-1
votes
0answers
27 views

whats differ between simulation & simulation game

I'm really confusing, is simulation RELATED to simulation game?? what I heard from everywhere is simulation game is just for entertainment and not related with computer science research at all, is ...
-2
votes
0answers
26 views

use Unity engine for solo project, Agile Scrum methodology [on hold]

I have solo project for making Android mobile apps simulation game for driving school learners of motorcyclist using Unity game engine I want to use Agile methodology with Scrum, and I've heard Scrum ...
0
votes
1answer
112 views

Why does this evaluation function work in a connect four game in java

I am exploring how a Minimax algorithm can be used in a connect four game. I was looking through a program and found this evaluation function. private static int[][] evaluationTable = {{3, 4, 5, 7, ...
-2
votes
0answers
34 views

How to change every 2nd and every 3rd element in an array? [on hold]

Here is my dilemma, I have this code: var fibs = [1, 2]; for (i = 0; i < (window.innerWidth / 50); i++) { if (fibs.length < 15) { var n = fibs[i] + fibs[i + 1]; ...
0
votes
0answers
6 views

Hidden event handlers and their parameters

I'm having a bit of trouble understanding why has an event handler to be defined as a function. AFAIK, a function can be used as anonymous called procedure as event handler It defines a ...
-5
votes
0answers
69 views

Programmers and drugs are common? [on hold]

I been watching movies about computer programmers and hackers and it shows that many of them use drugs to stay up longer. I wonder if this is stereotype or truth? I am programmer too and use energy ...
0
votes
2answers
29 views

OSS Non-Commericial License

I'm working on a project I want to keep open source on GitHub, but I have a licensing problem. I have searched for hours, but I haven't found a license which disallows commercial use/sale of the ...
1
vote
1answer
31 views

Patterns for subclass constructors that vary the parent class constructor slightly

So, my problem is in the context of an MVC-style approach. The code here is PHP, but I'm hoping this is a design issue independent of it. abstract class Controller { private $domain; private ...
3
votes
1answer
39 views

Unit of Work Concurrency, how is it handled

I am reading some information about the Unit of Work pattern. There is one thing that is not very clear for me: what will happen when you request a couple of records on a thread (1) and another thread ...
0
votes
0answers
21 views

Which Way Is Suitable to Implement Set collection In Scala [on hold]

I want to implement Set in scala. In order to implement set in scala, there are three ways which are hashset,treeSet and LinkedSet. My question is that which of them is suitable to implement in "worst ...
-2
votes
0answers
30 views

How to compare two chars in C++? [on hold]

I have to extract 2 chars from a string and test them on being equal. How do I do this? My approach if (s[1] == s[2]) ... doesn't work.
-5
votes
0answers
37 views

What is the meaning of “delimited”? [on hold]

context: http://www.sitepoint.com/web-foundations/attribute-selector-css-selector/ Description, Second Paragraph, First Line Attribute selectors are delimited by square brackets What does ...
-1
votes
0answers
22 views

Dismissing the viability of implementing Microsoft Silverlight-based applications - a premature decision being made too early?

While it has now become affirmed that Silverlight is sitting on the chopping block, what kind of implications should this really be having towards business decisions on the use of Silverlight-based ...
4
votes
2answers
129 views

How to prevent others from using non-thread safe variables in a multithreading environment?

I have an application written in C++ that was originally single threaded, but, due to the increasing complexity of this project, I'll need to expand it to at least two or three threads. There are ...
-3
votes
0answers
22 views

Regarding publishing game for Facebook [on hold]

I am making a game on cocos2d-JS for facebook , I have some technical doubt which I want to clear What is the difference between Facebook Canvas & Facebook Web project . Facebook Canvas ask ...
0
votes
2answers
58 views

What is the best way to present a portfolio of practice/training security research? [on hold]

I keep a security research blog as a hobby, and finding out about all the ways one shouldn't code has helped me a lot in my career as a software developer. I would like to attribute my blog to a ...
0
votes
1answer
129 views

Why does GCC use AT&T syntax by default?

I think title says it all :) Is there any particular practical reason (I guess it's mostly historic, but I'm unable to find it on my own) why GCC uses AT&T/GAS syntax? Note: I know this is just ...
-6
votes
0answers
37 views

Can Some One look at this [on hold]

Im making a command line version of Tick tack Toe for my class yet I keep running into the same problem it keeps stoping after player one take his first turn no player 2 no call back to player one ...
-1
votes
0answers
21 views

Does a database update force index rebuild regardless of updated field? [migrated]

With MySQL (InnoDB), I understand that having indexes slow down UPDATE queries. I would like to know if this happens regardless of what fields are updated. For example, if I have a table with 20 ...
2
votes
2answers
50 views

RESTful key-value collection

I am creating a HTTP REST API. I have a large collection of key-value pairs, at /base-url. I need to provide the ability to get and set values for a key. My first attempt: GET /base-url/{key} PUT ...
-5
votes
0answers
18 views

Matlab Help About Tables(GUI) [on hold]

Hey there I am trying to write some informaition which should be read from a text file in this kind of style. V1 1 2 32 R1 0 1 2 V2 0 3 20 R2 2 3 4 R3 0 2 8 I will read this from text file and I ...
0
votes
0answers
14 views

Monolog - retrieve the logged messages in a variable

I looked into to monolog, and there are dozens of handlers that allow logging almost everywhere. What I didn't see is logging to a variable. What I mean is that I want the log messages kept in a ...
-8
votes
0answers
37 views

microsoft visual studio stopped working 2012 [on hold]

Suddenly My visual studio stop working. Other applications are opening correctly, but I am not able to create new application. When I open VS 2012, it shows me error box saying "microsoft visual ...

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