A library is a collection of resources providing data and/or services for developing independent software.

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79 views

Explicitly mark unexported functions in a DLL?

When writing an unmanaged Win32 DLL that exports functions, it's not uncommon to have some functions, variables and/or classes that aren't meant to be exported and are only for internal use within the ...
0
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1answer
175 views

Is it possible to run a program in C language without libraries?

I was working on a C program and i just noted that i can execute my program even if i didn't declared the required libraries, this is the code: #include <stdio.h> #include <string.h> int ...
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0answers
66 views

Should I annotate all the entry points in my library?

In a library project, I see numerous warnings suggesting that I reduce the visibility of public classes and methods. (Or in the case of methods I haven't written tests for, warnings about them being ...
1
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1answer
50 views

Editing Python libraries

I have been using Python for a fairly long time and now I want to modify a Python library to fit my needs. There are two ways to do this as far as I know. One is to modify the source code itself. ...
1
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1answer
67 views

Is an all-encompassing enumerator appropriate?

I will illustrate the problem with a specific case. Suppose we have a bit-flag style enumeration type defining different kinds of validations. It's tempting to define an enumerator like ...
1
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1answer
119 views

Using ninject in a class library

Looking for some help getting my head around ninject and DI. Using the simple examples I've found online everything works nicely but trying to do something more complex is causing headaches. I have ...
9
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3answers
228 views

Breaking API changes: how can I make the transition easy for library users?

In the past, I used the standard way of adding @Deprecated annotations to API methods which will be removed in a later version. Now I am preparing a major version for a library, with many API parts ...
4
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3answers
96 views

How can you separate a monolith into domain-driven libraries without duplicating interfaces and still keep dependencies simple?

I'm working on a project with web services, and I've been structuring things where: The web service contains the business logic layer A library which handles the data access layer I've recently ...
1
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1answer
85 views

System for scheduling parallel tasks/callbacks

I am looking for a system for building state machines with timed/scheduled transitions, and with events that happen periodically during a given state. I can implement it myself, though I feel like ...
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76 views

How to get verification that you've implemented all your API in a static library?

I just learned that static library building skips the linking stage, which explains why my build process succeeds all the time when it's possible I actually haven't implemented a function in my header....
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31 views

Criteria for choosing which common data formats to support for tabular data in a simple ML library

What criteria does one consider when choosing which data formats a library for doing some machine learning task should support for reading/writing tabular (i.e. non-hierarchical) data? I found a ...
7
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3answers
197 views

Version control on standalone (in-house) libraries?

Problem Statement At our company, we have various application projects that we work on and then we also have libraries that those projects need to utilize. I feel the need (based on some similar ...
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1answer
98 views

Analyzing a C++ library with a diagram [closed]

When I want to read an entire library in C++ I start with class A. Then I realize class A is using function B. Function B is using class C and C2 and class C uses class D. I am aware that this ...
2
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2answers
147 views

Why use dynamic linking for less-popular libraries?

I know the difference between static and dynamic linking. I know why the notion of a library is important. And I even know why you'd want to link something like OpenGL, platform-specific APIs, or ...
0
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3answers
100 views

Including both “careful” and “dangerous” versions of a function in a library/module

I'm writing some code that I've decoupled off into a module of its own, and even though I'm most likely the only person who will use it, I'm trying to think as if I might not be. The functions in this ...
2
votes
1answer
97 views

Best approach to avoid duplication of code meant to run on windows/iOS/Android devices?

I am working on a new version of the following system: A 'main control' service that runs on Windows Server (C#). Clients on the following systems, that communicate with the above service via Web ...
2
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2answers
199 views

What's the best way to create a two-level library, containing a class with different levels of abilities?

I would like to create a library consisting of two layers, lets call them A and B. There should be a class "Sample" in layer A. Layer B also knows about class "Sample" and enlarges it by some methods. ...
0
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1answer
93 views

Who should I submit a bug to when two vendor libraries collide?

I found a bug. Yay for me. The bug is such a mix of technologies I am not sure who I should submit the bug to. The bug is a mix of Adobe Experience Manager and Angular Materials. Neither is really ...
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2answers
267 views

Preferable design of scope guard in C++

Recently, I come across an issue about the design of scope guard. A scope guard invokes a supplied function object (usually performs cleanup procedures) upon exiting the enclosing scope. The current ...
6
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2answers
66 views

Library/API Runtime Between Versions

I was having a conversation with a friend about the C# StringBuilder class, and what it's behavior was. I'll paraphrase, but my side of the conversation was something like this (I oversimplified ...
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1answer
45 views

How to handle user created expressions in application

In our application users can enter custom expressions to calculate certain things. For instance they can specify an invoice and define a number of lines for cost calculation. Example for a course ...
1
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2answers
131 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 ...
24
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2answers
3k views

Are header-only libraries more efficient?

Assumptions One of the advantages of header-only libraries for C++ is that they do not need to be compiled separately. In C and C++ inline makes sense only if the function is defined in a header ...
6
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2answers
93 views

Writing R packages to replace .R scripts?

In our company we have a handful of R users who have collectively written some ~30 .R scripts over the last year. The scripts are mostly 100 lines or less, defining useful and reusable functions. ...
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3answers
270 views

What does it mean to build from source?

I'm trying to install numpy using this. This link opens with these instructions: These instructions describe how to build NumPy and SciPy libraries from source. If you just want to use NumPy ...
2
votes
1answer
69 views

How do you stick to an ABI/API in a commercial library?

How does a commercial library vendor manage to stick to the same ABI over years of development (or is this a bad assumption on my part)? I would have thought that over time a lot of functions and ...
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0answers
114 views

Are facilities that generate HTML for you, considered harmful? [closed]

I will approach this from two directions (+ raw HTML itself being de-facto third) Proprietary HTML-generating code Code generating facilities provided by a popular library Proprietary HTML-...
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0answers
182 views

What is a “shaded” JVM client?

JVM developer here. Lately I've seen banter on IRC chat rooms and even in my own office about so-called "shaded" Java libs/clients. The context of the use will be something like: "Such and so ...
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1answer
115 views

Maintaining multiple versions of a library that all need maintenance and development

I'm writing an interface to a lexicon in Java. I just started this project, and the lexicon is on version 3.8. When a new version comes out, say version 4.0, database columns may be renamed, removed, ...
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2answers
150 views

Will issues arise packaging libc and pthread with your C apps?

The issue I hit, is that I am packaging shared libraries with my code in order to load GNUTLS, except for libc, because I figured any system will have it. Most of them don't have the required 2.14 for ...
24
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7answers
2k views

Why use an opaque “handle” that requires casting in a public API rather than a typesafe struct pointer?

I'm evaluating a library whose public API currently looks like this: libengine.h /* Handle, used for all APIs */ typedef size_t enh; /* Create new engine instance; result returned in handle */ ...
1
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1answer
94 views

Best approach for aliases namespace from config

I'm working on a library that contains a large number of components that have namespaces that are nested. Also, when a new module inside the library get's added, we then have to add the namespace and ...
11
votes
2answers
172 views

Do classes in a JRE library support observable and/or asynchronous reads from external/non-JRE assemblies?

How can I implement my cross-platform library (e.g. on JRE) to operate in a thread-safe manner on object references, so that native front-ends on other platforms can observe the object and take ...
3
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3answers
376 views

Possible alternatives to copy constructors

In my C++ project I am relying on some libraries that do memory management for me. I make wrapper classes, for ease of use and memory safety, for example the class below. Note that this is a much ...
3
votes
1answer
250 views

Structuring a Python Project: Need some guidance

I currently am working on a project that involves several discrete components that have some common functionality, and I am in need of some advice. Right now I have a central component responsible ...
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0answers
126 views

Approach for polyglot logging

I'm building a desktop app with a Java front-end and very performance critical Fortran libraries. We've recently started pushing more of our code out of Java and into Fortran (see below) Soon we will ...
0
votes
1answer
45 views

Error handling in math library functions

When writing a library function, such as double getAvg(double[]); how should one handle the empty array? (Note that, mathematically speaking the avg of an empty set is undefined.)
3
votes
1answer
219 views

When writing a math library, will operator overloading maintain OOP?

I want to make a fairly complicated mathematical library for a personal project and then have a visualization/GUI to go along with it to demonstrate the maths - nothing hardcore like topology but just ...
0
votes
2answers
229 views

In C, how are functions accessible if they're not inline or called by #include? [closed]

I'm looking at code that somehow calls a library but I don't see it calling any of the library's headers at any point. I've done searches within the code and I don't see anywhere the functions, ...
5
votes
1answer
2k views

Importing plain javascript libraries in an AngularJs application

I am working on an AngularJs project which is getting bigger very fast. Currently I need to store some user data, so I was using $localStorage for Angular. But I had a problem, as the application is ...
2
votes
1answer
537 views

Is it good practice to put database connections into a class library? [closed]

I am using entity framework and I created multiple libs. XYZ is main lib which handles majority of operations. And for integration purpose I have created different libs which are comparatively smaller....
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3answers
219 views

Using delegates to avoid duplicate creation of resources

I'm writing a PCL that uses an HttpClient to go visit a few sites and extract data from them. My initial code looked like this: public static class Download { public async static Task<byte[]&...
3
votes
2answers
258 views

Async library guidance

I'm creating a library that contains a class that exposes several Async methods: public class MyClass { public async Task<Foo> DoFooAsync() { /*...*/ } public async Task<Bar> ...
4
votes
3answers
135 views

How to structure project where a library and application using the library are concurrently developed?

I am planning to develop a new application that will heavily use a library that will be developed from scratch specifically for the application, but made general enough for it to be used for other ...
2
votes
2answers
515 views

audio file processing in C++

I thought of the following project that I want to pursue: I want to create a C++ program, that can play audiofiles and visualize the amplitudes of individual frequency bands in real time (e.g. with ...
3
votes
1answer
441 views

SVN shared modules / dependency management

I'm working with a small-ish team of developers. We're using Subversion for version control. Much of the software is for embedded systems. We want to set up a reasonably convenient way to share ...
5
votes
1answer
1k views

What to keep in mind when releasing an app which uses libraries licensed under the Apache 2.0 License?

I'm creating an Android app which is soon ready for release. I'm just going to implement a tab system using this library. I read that it is licensed under the Apache 2.0 License. I've never used any ...
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2answers
171 views

When writing a library or an API, when should and when shouldn't I validate or automatically correct errors in data provided by another developer?

I have a fairly good understanding of when data validation should and shouldn't exist when it comes when writing an application that is only dealt with by an end-user, and all the different tiers of ...
2
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1answer
123 views

Library OSes vs Unikernels

My understanding of a Hypervisor & Virtual Machines is that the hypervisor is a program (either running on top of a host OS, or running bare metal as the host) that leverages binary-compatible ...
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2answers
61 views

Licensing - Open Source with Paid Distribution

I have a project consisting of a core library with a number of platform-specific wrapper libraries. I want to release it all under an Open Source license (maybe MIT or LPGL). I also want to sell the ...