All Questions

Im an undergraduate student, JAVA was taught in my university, but I'm not interested in coding in java, I'm rather interested in JavaScript & python, Basically, I'm interested in **cybersecurity,...

Given a simple loop in C or C++ such as the following: for (int i=0, j=0; i<5; i=i*2){ j=j+i*1; } I like to use a tool (gcc, clang or any other) to optimize the code without actually compiling ...

I am a beginner in C++. I'm currently experimenting with the Chromium source code and have noticed the following: For many of the cc files, there exist an h (header) file which is imported by the cc ...

Following scenario: I have published an Android App in the Play Store concerning cryptocurrencies. This app interacts with a VPS that I am renting. The server regularly fetches data from an API ...

What type of components could benefit from RPC over HTTP, vice-versa? Does there exist other information exchange mechanisms, what are their use? I've seen smart people use both, I'm sure for ...

I am having a real difficult time writing some clean code with a simple user registration/login manager. I am trying to stay out of nesting/callback hell, and am also not seeing any benefit in using ...

In the past days I was focussing on the IoT environment and now I was moving into the practice. I found a lot of services that helps with the implementation of it like Azure IoT Hub. Now before ...

Hello all sorry for posting probably a stupid question but what are the commonly used commands to create hypervolumes using wfg and cygwin. I have an input file but there is not really a lot of ...

I'm new to programming and mongoDB and learning as I go, I'm attempting a mapreduce on a dataset using mongoDB. So far I've converted the csv to json and imported it into a mongoDB using compass. In ...

We have a mobile app software and we distribute it with LGPL v3. It uses other 2 components licensed under LGPL-v3 and MIT. For our own code, we are have the full ownership (i.e. nobody else have made ...

In system testing, a software system is tested against requirements. In unit testing, a software module is tested against the internal requirements for this module which depend on the specific ...

Why is it considered good style to do all imports in a python application at the beginning, even if what is imported is used only once? I have been programming only shorter pieces of software for a ...

I'm trying to make public transportation better by working with my city to rearrange the bus routes to minimize travel time for users with certain constraints - up to b buses and k kilometers of ...

Assuming there is a Java web app, which uses Solr indexing. To be more specific its about old Solr Specification Version: 3.4.0.2011 + jdk1.7.0_03 Once upon a time a network reboot were performed ...

I use jpa and spring. I have facade where I convert habitually entity to dto. In the service layer, I call method to repository to get entity. For display, I need to do some operation on data. Is it ...

What is the concrete form of application-independent interaction? Could you help elucidate this quote? This quote appears in the Chapter 12 of the Software Architecture: Foundations, Theory, and ...

First question here! I'm developing a web app in Django, until now the built in user management solution has worked out well. Now I'd like users of my web app to get a git repository when they start ...

In my current implementation of the clean architecture, the request model classes all have the Request suffix and the response model all have the Response suffix. The (pseudocode) function signature ...

I'm trying to work out what the best plan of attack would be to get SSO functionality while continuing to use AWS Cognito. I've come up with a solution that works, but I'm curious if anything has any ...

Context: I am currently working on a small project in Python. I commonly structure my classes with some public methods that are documented but mainly deal with the high level concepts (what a user of ...

I have developed an web application using Flask, where the user uploads a file, which gets processed by some Matlab scripts using the Matlab python engine. I would like to deploy this application to ...

I'm often tasked with relatively complex flows that my employers will want to experiment with in regards to the amount of steps and their order. I'm a contractor and when my work is handed over to ...

I have a couple of functions, each function verifies a set of rules and updates a common object. The common object is just a container that holds a list of rules that passed or failed. I would like to ...

I am modelling UserAggregate using DDD concepts. I know that two separate users should be independent, but when creating a new user, I need to validate, that there is no other user with the same ...

Let's say an Entity is composed of multiple ValueObjects. For instance, a wanderer might leave a few footprints behind. Imagine I load Wanderer from a repository and delete all footsteps north of the ...

I am learning ASP.NET MVC & Web API and trying to implement Onion Architecture with Repository Pattern for one of my Test projects as part of my learning. I have developed single MVC Projects ...

Assuming the following scenario: A web application that receives inputs from the user and process the inputs through an algorithm which takes between 5 to 25 minutes (depending on the inputs) and ...

I'm having a discussion in my company on how to structure a student enrollment application we are doing. We have an SOAP-Service for sending Emails. This Service is in charge of sending, and logging ...

I'm talking about compiling the C compiler. gcc and clang take about half an hour to build. The rust compiler takes a long time to build too. Would it be possible for someone to make an equivalent ...

This is a concept related question. I'm writing a program polling for alerts on various devices, there are two different type of alerts i need to poll, reds and oranges. My approach is to create two ...

In the following database, School_has_Student is a denormalized table : Now if I decided to change the "paul" student name to "john" in the Student table, then the "paul" student name that exist ...

Please excuse my inexperience here and any terminology faux pas that I make. I have an application that tracks financial transactions in the process of a business's procurement processes and I've been ...

I'm quite newcomer to the programming. I've currently faced issue described in the title. When there's already app running on default port 8080, after my app installation ends I have to change this ...

What I understood with GraphQL is a single endpoint with schema as post body. No doubt it has many advantages but what I couldn't understand is how to post data to the backend? Most of the examples ...

In his book 'Clean Architecture', Uncle Bob says that the Presenter should put the data that it receives into something he calls the 'View Model'. Is this the same thing as the 'ViewModel' from the ...

We are designing some restfull services and wondering if we could introduce a generic paramater named CallContext in each (PUT/POST/PATCH) call in order to have the following information : UserId (...

Let's say I'm working on a software library in which certain unit tests rely on GPL licensed code but the code that a user of this library would install on their system does not interact with GPL ...

What are some best practices for a release and upgrade policy for a SaaS web application offered to large companies? Looking for some general guidelines/suggestions. For instance, when adding a new ...

What command can I use in Gnuplot to increase the size of the background? On the x-axis I can not see the exponent of the last number.

How can i write following: movq variable@GOTPCREL(%rip), %r8 in GAS Intel syntax? .intel_syntax noprefix allows only this: mov r8, variable@GOTPCREL, it does not understand (), and resulting code is ...

Say I have the following ER diagram: To implement the above ER diagram as a normalized database, I would create a School table, and a Student table, and a School_has_Student table (that only contains ...

Is there an easy way to find or list all of the procedures in a module with their parameters? How does a developer know if a procedure exists so that he doesn't code the same procedure twice? Any ...

I'm making an HTTP API for ASP.NET Core Identity. Basically what I want is a remote version of this: https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.identity.usermanager-1?view=...

We are working on an Agular 6 project with multi-tenancy requirement. The application is very complex and works with a set of controls for a default tenant but, for a second tenant, it must use some ...

I'm very confused... With Java SE 11 Oracle published a LTS version of the Java SE and refactored the build cycle. Just to ensure we talk about the same things, if I'm informed right, until know the ...

Is correct to represent setting options using use cases? For example the user can: - enable background updates - change map color - change interval updates From https://www.uml-diagrams.org/use-...

I need a class to represent some metrics in my application regarding payments. The metrics consist of max. payment amount, average payment amount, payment count, total amount, last date etc. Here's ...

Are there significant differences between, say, JDK 7 and JDK 11 (which latter I believe is the newest version of the JDK), where significance is defined by a change which might make someone who has ...

I am designing a database system + application that deals with pipe objects who are part of a larger grid network. There are about 1000-5000 pipes for each network. Let's assume each pipe can have 2 ...

We current have a very simple Multi Tenant monolith, with a SQL SERVER backend (Self hosted on EC2 on AWS), and multiple application services talking to one DB behind an Classic AWS ELB. Our database ...