All Questions

Case 1 For an application, we have a single backend service layer that reads/writes data to multiple tables in database layer. Database layer has just tables, no indexes, no views and no triggers. ...

So a bit of background: I have a Master's Degree in CS and will obtain my CS Doctorate/PhD in a couple of months. In the degree, I've learned all the regular master degree concepts, so not a novice. ...

I'm not sure if this is the right place to ask for flow-related question. Do guide me if you're aware of a better section. I'm currently doing a web based system for multiple organizations, so on my ...

Summary This question is an attempt or organize the various Java governing structures, standardizations, and core cimponents into a coheisive, heiarchical structure that helps explain each piece in ...

I am working on an application that involves alerts as well as notification policies for multiple users. I am using microservices and am trying to keep them stateless if possible. I have one service ...

Now, I am a Newbee here on this site, and although I have programmed many years ago, I have only supervised newer projects, so bear with me if this is not a valid question. I have a WEB based ...

I ran into a situation where my build speeds have started to become large and have affected productivity. I had already minimized header dependencies before using forward declarations. Now I've ...

Myself and a coworker are having a debate on wether to put curly braces on the same line or on a new one. We are starting a new Android project in Kotlin. I believe they should go on the same line ...

OK, so I have been at this problem for the last few days, and I must admit - I am stuck. I am trying to make a web application, where users can upload documents or send inbound e-mails. Each ...

I'm working with a 3rd party company who are providing an API along with an unusual security approach. The security approach is essentially using a JWT by itself (no oauth). What's odd is that they'...

I have an OO design concern. Let's say my models as following: class Account {} class LocalAccount extends Account {} class SocialAccount extends Account {} These Account entities are persisted and ...

I wanted to summarize a quick discussion we had in my stand-up today. We have a big feature branch merge coming up in our system. We are replacing the old live, system (branch master) with a redesign (...

Part of the ScrumMaster role is to keep the Product Owner focused on the Product Backlog and also keep them available to the team to provide information. If the PO is also the ScrumMaster's Manager ...

We're developing an Angular application that consumes a web method exposing some information that is not sensitive, just bus seat promotions; the user enters where he wants to go and when and he will ...

Considering a medium-big software with an n-layer architecture and dependency injection, I am comfortable to say that an object belonging to a layer can depend on objects from lower layers but never ...

I'm trying to figure out how to create unit tests for a function, which behavior is based on a third party service. Suppose a function like this: def sync_check(): delta_secs = 90 now = ...

By default, the HTTP response code for "file not found" has always been 404. I never really thought about it until recently someone was saying that if the missing file is part of an application then ...

I am modelling icons on a canvas. So I have Canvas which owns icons The canvas has information such as its scale, Pixels Per Meter, for scaled icon sizes and the amount of degrees it has been rotated....

In one of our services we have business objects, and sometimes we would like to return them in their "flat" form and sometimes in their hierarchical form. An example: Let's say we have an Account ...

If I could get some input on the design of this, I would be grateful as well. Note that I'm programming in python. There's a function F that takes lots of data, runs some analysis on it (taking ...

If I had an application that pretty much had a "fail-safe" as in, if I need to terminate the application quickly and not free the malloc'd memory, or close the threads that are running, would Windows ...

I am wondering if the following would be a good technique to allow user to download files from the server in the below scenario: Info about the scenario: User logs into a system (HTML,JQuery and CSS,...

I want to create a class ProcessHandler for Windows that pretty much uses the WINAPI. The class ProcessHandler should be able to scan memory, emulate keyboard and mouse, needs some DLLInjector, some ...

Couple years ago I was working with Ehcache and Hazelcast. Back then JCache was something new, same as Caching in Spring. I got a new project recently, which requires refactoring and replacing old ...

I know it matters for class libraries, but does it matter in projects that are not class libraries, e.g. console applications or GUI applications? What's the difference if I use public or internal or ...

Dynamically apply methods/"rules" to documents I hope someone here can help me/guide me in the right direction. I am currently creating a web application, where users can import a text file, and then ...

I'm building a helpdesk-type system, where there are: Customer - can submit/resubmit tickets; Manager - can review submitted tickets, assign to developers (one ticket to multiple developers), review ...

I have a User class, this class handles things like: login (UserAuthenticateModel) Handle user sessions: user login tokens, fetching user from session if set in session, ect' (UserSessionsModel) ...

Say that we have Kubernetes running with n pods, each being a separate microservice. Now, some of those services need a caching layer. When we take into consideration: the fact that Redis was tested ...

I am modeling a system that exposes a number of "plugins" (not known at modeling time) through a web API. I have a number of "system" plugins that permit to interact with the system, something like "...

I have an implemented UDP receiver which is continuously receiving DTN packets (UDP encapsulated) and performing some operations on them. This whole process is working on a single main thread. However ...

For me, the data I want to retrieve may be in database for which I can use properties of model and also relationships, but if the record is not a property and no relationship exists for that ...

I have a DeviceManager class which can handle different physical devices, and to say there are Classes A,B,C, which require a DeviceManager instance as dependency. They should always use the same ...

I have a class called GatewayAPI, which has to load configs from a file, when used. I first wanted to put the get_config() method in the constructor, but I don't like this design for testing purposes. ...

I have a load balanced service that needs two data inputs to correctly give a result. One of these inputs comes from a queue, the other comes from user input. Most of the time the data that comes ...

Given that this question is related to my work, I will simplify what I need to do. The system consists of 4 primary types of statuses (internally, we call them events): Working, not operating ...

I have a microservice-based system that has a product service and a store service. I'm using eventstore to propagate events between microservices, so for example when a product is created, the store ...

There's a pattern sometime used that I'd like to know the name for. It's when you have a domain-specific state object that keeps track of progress through some kind of multi-step process which is run ...

Me and my team is starting to build a REST API based of Spring Boot and for documentation purposes it’s OpenAPI 3.0 with Yaml files. There was a discussion about generating both APIs and Models(Schema)...

Is there a usable programming language that disallows all side effects except for its input stream (aka STDIN) and its output stream (aka STDOUT)? All executable scripts in the language should be ...

It is true that the bitwise left shift operation (shl) doubles the value of the integer being shifted. However, when constrained to a finite space, such as 8 bits for example, left shift will begin to ...

My team is currently making some changes to our solution structure. Before the change we basically had a single solution file with about 40 different projects. Most of these projects are libraries ...

I am currently working on a program in which I encountered an issue (not for the first time) where I have two acessor methods for a data structure. The methods are identical, except one is const and ...

I've been following some of the practices recommended in Robert Martin's "Clean Code" book, especially the ones that apply to the type of software I work with and the ones that make sense to me (I don'...

This question is not specific to any particular caching implementation. Generally when we talk about any nosql database they suffer from hot partition issue. Does the same issue occur in caching as ...

I have ERP database whose good or person entities each have several hundreds of fields. Many of them are used for some subjects only. And hence senior companions (especially from the business division)...

I am writing a service, which is to be consumed by API and Web controllers. The result of each call depends on a UserContext state. Should I pass this UserContext with each method, which includes a ...

I'm relatively new to programming. I just recently started making "medium-sized" projects, and for the first time I need to include a library. I believe conventions are important; if not universally ...

For example, suppose I have a string constant like this: const TITLEBAR_MESSAGE="Welcome back, %USERNAME%!"; I think it is more readable when it is named as const WELCOME_BACK_USERNAME="Welcome ...

We are working on several products as the IT department and we try to provide solutions for different departments within the same company. The core of our business is insurance and the main goal is to ...