Programmers Weekly Newsletter - Thursday, August 27, 2015

Top new questions this week: Automatically reverting commits that fail the build A colleague of mine told me that he is thinking in making our CI server to revert commits that failed the build, so the HEAD in master is always stable (as in passing the build at least). Is this a ... git continuous-integration   asked by Carlos Campderrós 18 votes answered by Ixrec 36 votes DRY principle in good practices? I am trying to follow the DRY principle in my programming as hard as I can. Recently I have been learning design patterns in OOP and I have ended up repeating myself quite a bunch. I have created a ... design-patterns object-oriented php   asked by Emilio Rodrigues 9 votes answered by Chris-Jan Twigt 11 votes In what programming language did the use of the percent sign (%) to mean modulo/remainder originate? In what programming language did the use of the percent sign (%) to mean modulo/remainder originate? This previous post1 explains that the symbol % was likely chosen because it includes a slash, ... programming-languages history math   asked by DPenner 8 votes answered by James Anderson 3 votes How much should a view know about model? I am building an application in python with a python wrapper for WPF and with DAG support. I am currently at a point where I have to decide a consistent way of interacting between the data and the ... model view   asked by Arturs 7 votes answered by Evgeni 0 votes Should well-known business ID of an entity be represented with a dedicated type in DDD/OOP? In practical terms it means using an custom (immutable) class over a string or some other primitive type. Examples: Publishing: International Standard Book Number. Finance: International Securities ... object-oriented domain-driven-design domain-model entity value-object   asked by Den 7 votes answered by Ixrec 6 votes How to implement a property on class A which refers to a property of a child object of class A Not a very large architectual decision, but nevertheless I would value your opinion. We have this code (rest of the code is left out) public class Room { public Client Client { get; set; } ... c# coding-style clean-code null   asked by Michel 7 votes answered by MetaFight 23 votes C++ serialization design review I am writing a C++ application. Most applications read and write data citation needed and this one is no exception. I created a high level design for the data model and serialization logic. This ... design c++ c++11   asked by Snowman 6 votes answered by amon 5 votes Greatest hits from previous weeks: What does the Spring framework do? Should I use it? Why or why not? So, I'm starting a brand-new project in Java, and am considering using Spring. Why am I considering Spring? Because lots of people tell me I should use Spring! Seriously, any time I've tried to get ... java frameworks dependency-injection spring   asked by sangfroid 123 votes answered by Darien 48 votes Why are shortcuts like x += y considered good practice? I have no idea what these are actually called, but I see them all the time. The Python implementation is something like: x += 5 as a shorthand notation for x = x + 5. But why is this considered good ... programming-practices   asked by Fomite 251 votes answered by Emilio Garavaglia 516 votes Can you answer these? How to handle multiple models that relate to a single model First of, sorry for the vague title. In our website framework, we have modal classes to represent our database tables, that hold a rows data. I'm currently working on a stat style page, and I'm ... object-oriented data model   asked by Tom Hart 2 votes Seperate settings and implementation class hierarchies We use XML serialization to store class settings. Each setting-class has (but doesn't reference) corresponding implementation-class. Therefore we can easily make a "settings dll" without any ... c# design-patterns architecture serialization   asked by Vlad 2 votes Abstract Alert Dialog Builders (Same Method Calls, Different Objects) Currently I'm working on an Android library that creates a dialog which allows to select colors from a palette (examples at the end) and I've stumbled upon an interesting design problem. To create ... design design-patterns android abstraction   asked by ILUXONCHIK 1 vote

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