Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
The results are in! See what nearly 90,000 developers picked as their most loved, dreaded, and desired coding languages and more in the 2019 Developer Survey.

Questions tagged [default-values]

The tag has no usage guidance.

0
votes
2answers
55 views

Should default values be explicitly stated in configuration files for libraries or frameworks?

In one of the projects I work for, we have just added karma to run unit tests. When reviewing the MR of a coworker, I noticed the karma.conf.js (the configuration file) has 120 lines, which seems to ...
0
votes
2answers
259 views

Is it necessary for a boolean to be “false” by default?

For example, to store whether sound is on, I have a boolean originally named "isSoundOn": private boolean isSoundOn=true; however, the default value of boolean is false, but I want my application to ...
0
votes
2answers
71 views

Should default configuration for deployed services be set as per production usage?

Today, I and my colleague had a difference of opinion regarding the usage of default values in software configuration. We both agreed that for a consumer software, the default configuration should be ...
1
vote
4answers
258 views

What should be the last entry in a switch/case statement?

When writing a switch statement that only ever has to deal with a known set of values (imagine an implicit enumeration), I find myself wondering what should be the last entry in the construct. I'm ...
3
votes
1answer
268 views

Miroservices default value for Fallback scenarios

Default values are often suggested to be part of failover mechanism for microservices. At a high level, for any services (say microservices here) the nature of the operation can be broadly classified ...
0
votes
1answer
73 views

Is there a normal way to program a CLI script that overrides default parameters in python

If I've got a script that uses a config file (or defaults to a generic config file) that calls another module which needs the config file passed to it as a parameter should I always File 1 (the ...
3
votes
3answers
155 views

Can a default value for a business process be set in the database column definition?

The business team in my company has come up with a new field to add to one of our entities. For new instances of this entity, it'll be calculated dynamically, but for previously existing instances, we ...
2
votes
1answer
2k views

Assigning default values from environment variable in Node.js

When attempting to set default values for parameters that may exist in environment variables in JavaScript, I often see this pattern: var lag; try { lag = process.env.THROTTLE_LAG; } catch ( e ) ...
1
vote
1answer
4k views

OOP best practice: Optional referenced-type paremeter

I know in C#, by default, referenced type variables are passed by reference to a method. I have a function which sometimes I just need its return value and sometimes both return value and the changes ...
0
votes
3answers
192 views

How can DB and UI agree on default values?

I created a table in a Postgres database. I would like to create a form in a Java application to insert rows into that table. Certain fields have default values. What is the best way for the database ...
4
votes
6answers
1k views

Is it bad practice to resolve null arguments to default static variables?

First, let me show you an example (written in ActionScript 3.0): class GameObject { public static function MakeFromName( pName:String, pAtlas:TextureAtlas ...
1
vote
2answers
1k views

Design Pattern: Algorithm varies according to the input arguments

I will give a simple example to help you understand my question. Suppose we have a rectangle and a Utility class with a method that creates a buffer arround a shape. The .createBuffer method has ...
2
votes
1answer
148 views

Does automatic returning affect performance?

There's a bunch of languages that automatically return the last value in a function (mostly functional) like Ruby, Haskell, Lisp, etc. Does this feature (or what do you call it) affect the ...
2
votes
3answers
317 views

Checking at javascript level vs checking in PHP?

Setup: We've got a form with default text values present within the text box itself which "goes away" when I click on them and enter a value (not if I dont enter a value). Currently the 'default' ...
4
votes
5answers
3k views

The Default State of Unused Memory

In an embedded device, during the initializing of memory locations, is there any convention that are being practiced. I mean, say setting every byte to zero or 0xFF or any other value.