Coding style is a set of guidelines that helps readability and understanding of the source code.

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Is it good practice to have your C++/Qt functions always check all its arguments for null values?

Backstory While developing with Qt Signal/Slots, I came across a few segmentation faults that had me puzzled as to what was causing it. Eventually I figured out that you could actually pass a slot ...
2
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1answer
152 views

Javascript Closure Style Similar to Java Class Structure

PROBLEM: There is a coding imperative (S. McConnel, Code Complete) that one shouldn't code on language, but by means of it, e.g. doing right style things even if language doesn't have some ...
6
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4answers
196 views

What is the best way to split up large methods where each subtask depends on previous tasks?

According to this question and just about every style guide I've ever read, large methods are bad. However, suppose I have a method that does the following: Receive a JSON String from some service ...
4
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3answers
380 views

Is it ok to have multiple classes in the same file in Python?

I'm freshly coming to the Python world after years of Java and PHP. While the language itself is pretty much straightforward, I'm struggling with some 'minor' issues that I can't wrap my head around — ...
0
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1answer
67 views

How confusing is `new SomeCollection(values…)::contains` as a Predicate? [closed]

Traditionally, a function that want to skip certain items during processing will accept a Collection or var-args argument, but in the Java 8 world I think I should switch to Predicates. Now, since ...
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2answers
123 views

python - differences between reusable code vs. code for solving specific tasks

Reusable code (ex. libraries and frameworks) and code written to solve a specific task and not meant to be reused as a general tool (for example, code being used only by my 6 person team in a private ...
21
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8answers
3k views

At what point is it taboo to have loops within loops?

Just curious. The most I have ever had was a for loop within a for loop, because after reading this from Linus Torvalds: Tabs are 8 characters, and thus indentations are also 8 characters. There ...
5
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1answer
75 views

Why would you document a return type using scaladoc?

The following is snippet of an example from page 240 of the book Programming Scala (Wampler & Payne, 2009; O'Reilly Media): /** @return Parser[Money] */ def deductItem = deductKind ~> ...
6
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1answer
157 views

Is there a standardized practice for ordering attributes in HTML tags?

Thanks for looking. I am working on an AngularJS project and the attributes are numerous in many of my HTML elements: <button type="submit" ng-click="Page.UI.DetailView.ExecuteFunction()" ...
2
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3answers
175 views

Angular JS style guide when declaring variables

I'm new to Angular JS and working on a project with "legacy" Angular JS code. The code is about a year or half a year old. I often see stuff like this: var _link; _link = "http://localhost"; Or: ...
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1answer
128 views

Sorting Array before looping : best practice

I was going through JBAKE code at https://github.com/jbake-org/jbake/blob/master/src/main/java/org/jbake/app/Asset.java : 58 PFB the code. Why are we sorting the array here? if (assets != ...
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1answer
122 views

flatMap with if else vs combine with filter

When using reactive frameworks I have seen both solutions below to make a mutually exclusive selection of which stream will be forwarded (rxjava in this case) Observable.merge( ...
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2answers
197 views

Why ever use exception throw (in C#) except for Class Library development? [duplicate]

Why would I ever throw exceptions in code? (except for one specific scenario where I am developing a class library which the consumers of it, will not want / be able to change). To be more specific, ...
45
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6answers
9k views

Is it better to check `c >= '0'` or `c >= 48`?

After a discussion with some my colleagues, I've a 'philosophical' question about how treat the char data type in Java, following the best practices. Suppose a simple scenario (obviously this is only ...
1
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1answer
83 views

Possible design patterns for a service that synchronizes two third party services [closed]

I am currently in the process of refactoring a web service that synchronizes two third party services. The two services do not really interact well with each other, and there is quite a bit of ...
0
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2answers
144 views

What are good ways to measure project size? How do I compare the size of my project to other projects? [closed]

Background I am currently working for a quite large (relative to what I have done before) hobby project. I would like to compare the size of this project to other open-sourced projects but I cannot ...
2
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1answer
142 views

implementing an extended interface on a concrete class

I don't know if this is a best practices or not. If I have a interface that extends another interface such as : public interface A extends B{ public void something(); }; and a concrete class ...
2
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2answers
184 views

Passing fields (instance variables) by arguments (parameters) inside an object - does it make sense? [duplicate]

I believe this is language agnostic question - if it's not then please correct me. Let's say I have a class (code snippet is a kind of 'pseudo code') class Car: private steering_wheel private ...
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2answers
69 views

Why don't style-guides include longer explanations why something should be done in a particular way? [closed]

When I read coding style guides, such as the AirBnB Javascript Style Guide I just realized that these often do not provide deeper explanations why something should be done in a particular way. At ...
5
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4answers
241 views

Ruby: if variable vs if variable.nil?

I'm new to Ruby and I was surprised when I found out that all objects are true apart from nil and false. Even 0 is true. A nice thing about that property of the language is that you can write: if ...
3
votes
1answer
497 views

Why do Android programmers use Hungarian notation? [duplicate]

I see Hungarian notation in almost all Android code I see. It is used in the source code, in the samples, in code from other programmers I get to see, in code that presenters show at Android ...
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3answers
148 views

Eliminating the bad cases in if to get a nicer code

I have read this link Should I return from a function early or use an if statement? and it triggered a conflict in my head. I agree that it looks nicer and cleaner and I guess that would be the way I ...
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4answers
695 views

Is this code structure beneficial in any way?

I was recently thrown into a Java web application project, and I’ve come across a number of classes that follow this type of format: public class MyThingy { private final int p1; private final ...
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0answers
50 views

Is marking members as static against object-orientated programming? [duplicate]

Me and my co-workers are having a bit of a discussion about one of the code analysis issues thrown by visual studio: CA1822 Mark members as static The 'this' parameter (or 'Me' in Visual Basic) of ...
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1answer
115 views

Drawing the Line between Coding Style and Algorithm [closed]

Formatting with Indentations, White spaces, and New Lines obviously fit into the coding style category. if (a == b) { foo(); } // vs if (a == b) { foo(); } On the other hand, something ...
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4answers
242 views

Where to put try-catch statements [closed]

I have the following code statement that calls a separate class. if (newOrEdit.Equals("New")) { try { BusinessLayer.InsertOperator(operatorDetails); } catch (Exception) { ...
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6answers
3k views

Illusory code duplication

The usual instinct is to remove any code duplication that you see in the code. However, I found myself in a situation where the duplication is illusory. To describe the situation in more details: I ...
2
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3answers
217 views

What is the most readable way of passing arguments to the function? [closed]

I'm using JavaScript but the question can be generalized to all the languages. In a nutshell - I'm checking if a browser connecting to my site is a microwave and cater for that accordingly. What ...
2
votes
1answer
69 views

Exception to the 'Nested types should not be visible' rule?

Is the following an acceptable breach of the 'Nested types should not be visible' (Microsoft .NET code analysis CA1034) rule? I have a have a class, let's call it 'TandAOLL', this is tree and an ...
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2answers
85 views

What's the use of lint warnings vs errors? [closed]

I'm hoping someone who's given this some thought can help me understand. Most style-checking tools seem to distinguish between warnings and errors. To me, the point of a lint error is that a style ...
5
votes
3answers
411 views

non-optional pointers vs. non-const references in C++

In Other C++ Features, Reference Arguments of the Google C++ Style Guide, I read that non-const references must not be used. All parameters passed by reference must be labeled const. It is clear ...
2
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1answer
156 views

Type checking as opposed to multiple functions?

In statically-typed languages such as Java, code such as the following is common (not much of a realistic example, I know): public String flip(String text) { String result = ""; for (int i = ...
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2answers
135 views

Rebol refinements vs. dialects vs. objects

I occasionally get conflicted when using a language that isn't Rebol (happens from time to time) and get to thinking, hm—would life be easier in Rebol if this thing worked this way? To illustrate my ...
4
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4answers
161 views

Elegant way to handle multiple pathways based on compound condition [closed]

Consider the following: if (x == 5 || x == 10 || x == 12) { if (x == 5) { doSomething() } else if (x == 10) { doSomethingElse() } else { doSomeOtherThing() } ...
57
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4answers
7k views

Is it better to call a function that doesn't have an effect at that point, IF it improves code clarity?

I have three views in my program (iOS app). Only one of them is ever active at the same time so I set the visibility off for two of them and switch visibility as the user presses buttons. The views ...
1
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1answer
154 views

Lines of code that take on too much responsibility [closed]

Intuitively, I know that (in terms of a maintainable, understandable codebase) the following code is bad practice var foo = fooFunc(barFunc(),wooFunc(chewFunc())); and might be better stated as ...
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3answers
439 views

How to design a class for a fixed-length id?

I'm building an app in C# that needs a fixed-length id, which is a string representation of a hex number. E.g. "0fa5" is an example of such an id of length 4. The length would not need to change ...
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1answer
988 views

What is the term for an anonymous JavaScript function that's called immediately?

I'm writing a JavaScript style-guide for my team, so that we can organise and contribute our documents easier. But I've hit a small bump which is where my question applies... What am I supposed to ...
0
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1answer
66 views

In *nix, is there a practice for storing static libraries?

Lets say you are building an application that staticly links against libraries that you provide it. Where should you store these static libraries? Should you make a directory in the parent directory ...
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0answers
84 views

Pointers vs IDs for “context-specific” functions

I need to be able to load, use, and free resources from a single monolithic object. I have two requirements: 1. That the resource loaded is owned by the object that created it and 2. All objects in a ...
4
votes
3answers
448 views

Creating a Java project without using any objects and just calling static methods on input?

I'm creating a program which takes a document, extracts it, and then moves this into a database. I've done most of this now and I've realised that I haven't made any instances of classes I've made (I ...
1
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1answer
299 views

Is writing code chronologically the best way for readability? [closed]

So I've been writing a lot of JavaScript lately. Despite what many people say I think JavaScript can be a simple and beautiful language. What I've pondered of late is how to structure the code so it ...
29
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5answers
5k views

Should I initialize C structs via parameter, or by return value? [closed]

The company I work at is initializing all of their data structures through an initialize function like so: //the structure typedef struct{ int a,b,c; } Foo; //the initialize function ...
2
votes
0answers
63 views

Should the order of definitions correspond to the order of declarations in header/source files? [closed]

If my header looks like this: class foo { public: foo(); ~foo(); QString b(); QString c(); QString a(); void setB(QString s); void setC(QString s); void ...
9
votes
6answers
3k views

How to reduce a switch in a switch statement?

So I'm making a method to create a salutation line based on two people from a database. There are four parameters: the two names (name1 and name2) and the two genders (gender and gender2). For every ...
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1answer
70 views

Best place to declare functions in this example

Suppose I have code that accepts html GET requests: server.get('path/to/some/endpoint', function(req,res) { function a() { //function goes here } } Is it better to declare functions ...
3
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1answer
196 views

What is more pythonic - subclassing dict or creating external functions to manipulate them?

Say I have a dictionary that contains complex classes that need to be loaded and unloaded in a special way. (Not especially special, just outside the bounds of this question.) Should I gracefully ...
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1answer
164 views

Right-aligning code [closed]

I recently was looking for a CSS solution to vertically-align elements, and I found one here. One thing that I thought was nice was the right-justified code; example: .vertical-center { // ... ...
0
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3answers
493 views

When to use single-line if statements? [closed]

When reviewing code, I prefer to read if statements that explicitly demonstrate that a fork in code execution may occur: if ( isFoo(baz) ) { runBar(); } When scanning hundreds of lines of the ...
2
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4answers
523 views

what is the difference between overengineering, underengineering and rightengineering? [closed]

What is the difference between over-engineering, under-engineering and right-engineering at coding/design perspective? I found over-engineering: Coding too much like doing future requirement code ...