Questions tagged [libraries]
A library is a collection of resources providing data and/or services for developing independent software.
377
questions
12
votes
2
answers
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views
Designing a Python string validation library
My employer has a significant number of company-internal strings which require format validation. For instance, order number AAA-BBB-CCC, stock number AB-123456 or factory ABC1 - Regex with extras (...
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1
vote
1
answer
87
views
How should I approach the development of an app with an parallel independent library?
I'm currently working on an ERP Blazor WebAssembly app that works alongside its base Razor Class libraries. The app could have some custom pages that aren't the same for all the customers and are ...
- 21
0
votes
2
answers
335
views
Share Global Variable in DLL, feasible or naive?
So the gist is to have a static global variable that can be modified by different executables. For example I have 2 different source files including the same dll.h:
dll.h
#include <iostream>
...
- 127
0
votes
4
answers
357
views
Is API exactly the same as header file?
I am trying to understand the difference between an Application Programming Interface and a Library and I stumbled upon this question:
https://stackoverflow.com/questions/3678665/is-there-still-a-...
- 159
0
votes
2
answers
161
views
Why session should be a param when you write a query function?
I read a lot of examples where I read code like this:
def get_user_by_id(session, id)
...
and the function that calls that function needs to create or get the DB session a pass to the function.
the ...
- 387
4
votes
5
answers
629
views
How to prevent in house frameworks and libraries from becoming technical debt
My company develops many relatively small projects that a lot of times do the same things and have a similar structure. (e.g. read/write to a databse, data pre processing, building a query etc.). This ...
- 67
-1
votes
1
answer
171
views
How to handle config/env vars in a library project
I am building a new Python library project to be consumed by several of my application projects. The existing code consumes environment variables for various configuration settings. Should my ...
- 173
2
votes
2
answers
150
views
How to document external libraries that have been adopted into an existing codebase?
I have been using an external library for a while now. Unfortunately, it stopped receiving updates, and has since been adopted into my codebase.
The issue is the library was poorly documented in the ...
-3
votes
1
answer
87
views
Best way make a complex libraries as a plugin with dependency inversion principle [closed]
For instance, if we have a complex library with many functionalities, how can we make this lib a plugin such that it can be replaced with another lib more easily.
The answer obviously is the ...
5
votes
4
answers
4k
views
How to get an ILogger instance from extension methods?
Let's say I have this service abstraction exposed from a library.
public interface INavigator
{
ImmutableList<IPageViewModel> Entries { get; }
void NavigateForward(IPageViewModel page);
...
- 224
2
votes
3
answers
348
views
Design pattern to create a shared lib architecture
I am making a renderer as a hobby, one thing I thought to try is making the low levelAPI be dynamically swappable, i.e. you could have an opengl or vulkan backend and switch between the two without ...
- 241
2
votes
2
answers
474
views
Strategy for offering a library both a single-header and as a header + compiled implementation
I am maintaining a FOSS library which, for the sake of discussion, consists of a small .h file and a larger .c file (plus build-related files, see below)
I've been requested to offer this library as a ...
- 2,489
6
votes
1
answer
519
views
Is changing the exception a method throws a breaking change for a library?
I have a library that I am distributing on maven in the new version I will be changing the exceptions some methods are throwing. Is this considered a breaking change? If this is the only change in the ...
- 81
2
votes
3
answers
163
views
Should I ensure my libfoo library's include file can be included as foo/foo.h?
I'm maintaining a small C library; let's call it libfoo. It has quite a few users (actually it's complicated - it's the main fork of a highly popular library which has been abandoned); and it sports a ...
- 2,489
1
vote
1
answer
156
views
Re-export (certain) library components from barrel file
Situation
At the project I'm currently working on we're using Chakra UI to create our UI. But I guess this question applies to whatever (UI) library you're using.
There are certain components that ...
- 111
40
votes
7
answers
10k
views
Why do library developers deliberately break existing code?
Today, I updated ZBateson\MailMimeParser the PHP e-mail parser library from 1.x to 2.x.
Soon enough, my PHP error log started filling up with errors.
Noting where it happened, I found out that it had ...
- 475
6
votes
3
answers
597
views
How to simplify exception handling for library users?
Suppose of having a library exposing the following piece of functionality:
public static class AwesomeHelpers
{
public static async Task<int> ComputeSomethingImportAsync(CalculationInputs ...
- 653
3
votes
1
answer
265
views
Shared library and modules with versioning
I have different versions of modules and they should all work together with the same shared library which could also have different versions like displayed in the image below:
From a daily use ...
- 712
0
votes
1
answer
611
views
How to expose C++ static library interface, extending Pimpl to an abstract interface
Until today I had a static C++ library with no separation between the public interface and internal headers. My other apps just linked to it, included the required headers, and used whatever they ...
- 93
2
votes
2
answers
118
views
What's a good solution for prioritising tasks for a company code library?
I work at a game company that has a Core Library with a bunch of ultities, extensions and systems that we typically import large chunks of into projects.
Recently we have been trying to improve our ...
- 709
0
votes
3
answers
2k
views
"Hard coded" vs. configuration files for values in libraries? (code organization question)
I'm trying to get a good understanding as to whether there is a best practice or standard regarding keeping values within your code libraries or referencing them from another config file. I don't ...
- 3
2
votes
4
answers
435
views
Is it common practice to declare exceptions in a library that won't be thrown or caught anywhere within that library?
I have a very basic library that serves the purpose of collecting some useful but simple pieces of code. Like for example a Percent struct or functions like ToDegrees() and ToRadians(), just to give ...
3
votes
4
answers
356
views
Should functions depend on other functions?
Suppose I have a function to log error messages printError(). Suppose I have another function which might throw an error, doSomething(). Should doSomething() implement its own error logging or depend ...
2
votes
0
answers
155
views
Drawing the boundary between high level API and low level API
Assume that were developing a cross platform graphics engine. Now we have quite a lot of low level APIs to choose from (OpenGL, Vulkan, DirectX 11, DirectX 12, ...). Now because of this, we are gonna ...
- 129
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votes
1
answer
98
views
How to start developing a well architected Javascript Library?
I want to start developing an. open-source javascript library. I can see other open-source libraries are well structured. They have src, dist, test kind of folders, etc.
Which is making me very ...
- 11
1
vote
1
answer
40
views
CLI and Lib package, where to put module loading code
My Software contains a lib package, a cli package and an arbitrary number of plugin packages.
The plugin packages do the algorithmic work.
The lib package basically just executes the plugins and ...
- 141
3
votes
2
answers
2k
views
Programming a library in multiple languages
I am planning to implement a cryptographic library for several languages and looking for best practices. I have looked at several threads, especially this, this, and this one, which answer my ...
- 33
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votes
1
answer
101
views
In C++, does it make sens to have library project be composed of other libraries?
I'm working on a C++ project which is currently divided into "sub modules" / "components". Each of these are compiled into a separate library (components are usually 10-20 files).
The libraries are ...
- 13
1
vote
2
answers
53
views
Suitable way to round results returned by any function of a class
Assume there is a class Shape. The class has two functions area() and perimeter().
Let's say Circle and Square inherit from Shape and override these methods. Obviously the results are going to be ...
-4
votes
1
answer
55
views
Development paradigms of ML libraries
I know that Tensorflow use symbolic model-building APIs where the developers can use them to build static computational graphs.
Whereas Pytorch offer imperative programming paradigm where it performs ...
- 1
1
vote
1
answer
242
views
Backward compatibility testing
As a creator of a software library, how can I verify backward compatibility with earlier versions?
When using a dependency management (here: Maven), multiple versions of my dependency could be (...
- 135
0
votes
1
answer
114
views
When does it make sense to update eslint/prettier?
I have the following setup:
different teams
shared eslint config (that imports airbnb rules as a basis).
Whenever a developer decides to update libraries, if eslint/prettier have updates, it's a ...
- 137
44
votes
5
answers
15k
views
What is the difference between a library and a dependency?
In this docker beginner video its explained, that different stacks may depend on different libraries and dependencies and that this can be handled with Docker.
However, I don't get what the ...
- 567
2
votes
2
answers
308
views
Is it a best practice or anti-pattern to export mock versions of functions for a library?
Context
We are creating a library that makes an API (HTTP) request to a 3rd party.
During testing we have written mock versions of the functions that make external requests so that we can test the ...
- 137
2
votes
1
answer
276
views
What is the name of the throw-an-exception on invalid inputs pattern?
In some .NET libraries, there's a pattern of two alternative ways to call a function.
int i = x.GetValue(k); /* Might throw. */
if (x.TryGetValue(k, out int i) { /*...*/ } else { /* ... */ }
I ...
- 611
0
votes
1
answer
112
views
How should I provide generic typing and allocation for a collection library in C?
I am in the process of implementing a persistent collection in C, specifically, an immutable hash trie. In order to increase acceptance and reusability, I have identified the following key areas that ...
- 159
1
vote
0
answers
42
views
how to handle external shared libraries, which we do not want to expose
We have 800-900 services we expose via an ESB. Each service is a web app hosted on Tomcat servers. We have 4 tomcat servers per group of services. Our services are split into 4 groups.
Each service (...
- 61
1
vote
1
answer
127
views
Is it common to include a specific build of a library/ tool for production level project?
I am working with C++ in a Linux/ Unix environment. I am trying to learn the physical design of large scale projects. In one of my projects, I am using an SDK from a camera manufacturer. They released ...
- 123
0
votes
0
answers
210
views
Ensure that library has been initialized
I am using a 3rd party library that must be initialized with Lib::init() before any of its other functions may be called and that must be uninitialized with Lib::destroy() before the application ends. ...
- 1,717
2
votes
1
answer
634
views
Are symbolic links a good way to 'import' a project into another?
I've been thinking on how to import a project B into a project A, which both are GitHub repositories.
Project B is a library I reuse over many projects, I do add stuff in it, directly from project X, ...
- 727
2
votes
2
answers
214
views
Organization of C++ source code for reusable components
I'm implementing a custom templated container as part of a learning project in C++. The container makes use of different components like serialization, memory management, iterators. I am wondering ...
- 31
-1
votes
1
answer
132
views
Better stdbool.h
How about instead of
#define bool _Bool
#define true 1
#define false 0
#define __bool_true_false_are_defined 1
We should have this:
#define bool _Bool
#define true (bool)1
#define false (bool)0
#...
user356583
-1
votes
1
answer
86
views
Use two parallel instances of the same .NET assembly
I've have an n-tier .NET 4.6 internal business application. It has a business logic layer class library project that references a data access layer class library project. It's designed to decouple the ...
- 189
-1
votes
2
answers
643
views
Can a service be split into two microservices using common libraries?
I am thinking of splitting a service serving multiple endpoints into microservices that can serve a set of endpoints but the problem is that the two services have certain logic in common. can the two ...
- 117
1
vote
1
answer
206
views
Create a common interface to use N libraries and define specific behaviours
I am creating a browser automation library that is capable of using Puppeteer(automates chromium) and Selenium(automates all major browsers), but the goal is to also be able to add more libraries in ...
- 145
-1
votes
1
answer
147
views
How to figure out if a certain technology/library is used in development of a proprietary application [closed]
Not sure if the question is relevant here, but basically it is expressed on the title.
I'm curious to know if a certain library/technology is used in a proprietary software. How can I satisfy my ...
- 124
2
votes
1
answer
294
views
Managing compatibility and dependencies in code library
I manage a library that is made of multiple components, there is some dependencies between some of these components, for example I have a core library for common code base that is referenced by other ...
- 369
7
votes
5
answers
565
views
How to keep developers informed about a code library in large organizations?
Although our products often have the same requirements, the solutions are always developed anew. From different people, with different good results and different quality. A code library especially for ...
- 475
2
votes
1
answer
48
views
Should I update the major version of a consumer package if one of its critical dependencies has a major update?
This is a scenario I have seen:
I have a shared library with code that fetches data from an api. Let's call this ApiProvider. Currently this ApiProvider is in version 1.1.1 and is currently pointing ...
- 149
1
vote
1
answer
381
views
Public class members in PIMPL
I'm attempting to use the PIMPL idiom. This is my public header file in include/foo.h:
class FooPrivate;
class Foo {
public:
Foo();
~Foo();
private:
FooPrivate* p_impl;
};
...
- 89