All Questions

7
votes
0answers
222 views

Securely sandboxing user scripts in a C++ program

I've been working on a personal project in C# whose purpose is more or less to allow the user to execute scripts written by other users and restrict the permissions of that script. My program compiles ...
7
votes
0answers
580 views

Is there a reasonable way for a TypeScript class to derive from a Dojo/Dijit class?

DefinitelyTyped has a Dojo solution which uses named modules and may work with legacy Dojo and explicit typing, but these declarations do not facilitate TypeScript import since there are no anonymous ...
7
votes
0answers
1k views

Caching Strategy: WCF Buffer pooling and size

I am currently trying to understand the best configuration for caching. I am using Azure In-Role caching (currently Colocated, but Dedicated at a later point) in a Web Api 2 application in .NET 4.5.1....
7
votes
0answers
397 views

Facebook authentication with an Authoritative Server for a Flash Game

I'm working on a multiplatform game in Flash. This game utilizes Photon Server for authoritative physics and user statistics tracking. I'm looking to leverage Facebook authentication as an alternative ...
6
votes
0answers
683 views

Implement FBP / Dataflow programming in VBA?

Intrigued by Flow Based Programming a la J Paul Morrison. I wonder if one can implement FBP in Excel/VBA. I searched quite a bit for a Basic-Lang FBP implementation to no avail. I've looked at some ...
6
votes
0answers
82 views

When connecting to a server using the DRDA protocol, is it true that the first Client-To-Server command MUST be EXCSAT chained with ACCSEC?

When connecting to a server using the DRDA protocol, is it true that the first Client-To-Server command MUST be EXCSAT chained with ACCSEC? I found 2 different answers when I googled it. If you look ...
6
votes
0answers
123 views

XDIME for Mobile Applications

I'm involved in a project that requires to mobile-enable some previously developed Portlets. The Portlets are deployed in WebSphere Portal, and the container offers a technology called IBM Mobile ...
6
votes
0answers
652 views

Design thoughts on a schema based request object for CXF endpoint

Trying to seek design suggestion on a schema based request object for a CXF endpoint. I've created a CXF SOAP endpoint which takes the following object as an input. The request object will have ...
5
votes
0answers
274 views

Concurrent fault-safe data structure

I am building an application that aims to process ~10M data items per second. Each item is exactly 42 bytes small (including a sorting key) which means the total data rate will not be big 420 MB/s. ...
5
votes
0answers
117 views

Why does GHC represent recursion in Haskell with recursive binders instead of a fixpoint operator?

GHC's Core data type represents recursion with recursive binders in the Let constructor; as I understand it, all let expressions in Haskell are effectively let rec expressions. Why does GHC use this ...
5
votes
0answers
789 views

Best Practices For Writing Memory Efficient CSS

What are some best practices for writing memory-efficient (for the lowest peak memory usage) CSS? I realize this is a broad question, so I have broken it down into two main categories: What are 'do's ...
5
votes
0answers
198 views

Different kind of checked exceptions - Guarantee to only throw X

It is a widely held position that checked exceptions as implemented in Java are a bad idea. If you mark a method as throwing, calling code has to either catch the exception, or be marked as throwing, ...
5
votes
0answers
559 views

Zeromq bidirectional asynchronous transmission?

I have a system which consists of two applications. Currently, two applications communicate using multiple zeromq publish/subscribe sockets generated for each specific type of transmission. Sockets ...
5
votes
0answers
521 views

Storing OAuth2 data in Mongo?

Our system has users but we want to perhaps allow some users to be able to use our API service. I'm looking at using OAuth2 for authorization. As it's going to be (trusted) machine-to-machine access I ...
5
votes
0answers
314 views

Rails on AWS Elastic Beanstalk - limitations

I have been looking at AWS Elastic Beanstalk service for the deploymeny of my rails application, and I came to think it was actually a bad idea given some specific requirements of my application. But ...
5
votes
0answers
182 views

Finger Paint path gets huge over time and slows the app

So I am writing a Finger paint app. I have multiple color which user can select. I save the path and paint information inside an array. ArrayList<PaintPath> arrayPaintPath = new ArrayList<...
5
votes
0answers
564 views

How to efficiently query movies with characters via The Movie DB API?

I have a sort of whiteboard style question about efficiently querying The Movie DB API to find a list of characters in movies. My overall aim is to: Search for a movie by title (1 request) Look up ...
5
votes
0answers
80 views

Relationship between a mixin and its master invokation

I haven't studied Smalltalk or Strongtalk and am just trying to get an overview of the semantics of interfaces and polymorphism in O/O languages, particularly Dart. In the 2002 paper titled Mixins in ...
4
votes
0answers
128 views

Data durability guarantees in Kafka

Is it wise to use kafka as the 'source of truth' for mission critical data? The setup is: kafka is the underlying source-of-truth for the data. -querying is done on caches (I.e. Redis, ktables) ...
4
votes
0answers
146 views

Implementing new project to communicate with old ones. The correct way

I'm not sure if this is the right place to post this (I'm fairly new, but Stackoverflow and Superuser suggested this site for my question), but here goes. I currently have the following: A frontend -...
4
votes
0answers
257 views

Should an SPA use OIDC's Implicit flow or Auth Code flow?

We are developing a new Angular SPA which leverages Keycloak for its SSO abilities using OpenID Connect (OIDC). The app is currently designed to use the Implicit flow to retrieve short-lived access ...
4
votes
0answers
295 views

Can Event Sourcing and an API Management platform leverage each other?

I'm evaluating the use of Kafka to implement Event Sourcing in a microservices environment that already makes use of an API Management platform. I was wondering if it is common and/or considered a ...
4
votes
0answers
639 views

Multithreading in Android

Looking for resources that teach multithreading in Android and list best practices. I want to do some image processing on the preview frame of the camera (already have this part set up) but want to ...
4
votes
0answers
2k views

ElasticSearch vs SQL Server full text index for small datasets?

I've got a relatively high-traffic public-facing product-based website backed by SQL Server as the point of authority. It has some search capability on some of the columns of the Items table (year, ...
4
votes
0answers
124 views

Incorporating existing 2D OpenCL/OpenGL application in 3D scene

There is an existing real-time, scientific visualization application that uses OpenCL and OpenGL to render complex 2D graphs. My goal is to incorporate this application into a 3D rendered scene. At ...
4
votes
0answers
70 views

Rounding floats after modf()

I am trying to make an effective modf() function that uses floats instead of doubles. An embedded application I am working on only supports the float type. My modf() function works as expected with ...
4
votes
0answers
99 views

Intuitive dependency management with code includes?

I am building a PHP CMS system that parses template files and replaces tags with content. Sometimes this content is a HTML, CSS or JS snippet, but it can also be a code include. Most code includes ...
4
votes
0answers
692 views

What version numbers should I assign to builds on different branches as part of continuous integration for NET Core-based projects?

Overview I'm developing a number of .NET Core applications and I've met my current sprint commitments early. Until my next sprint begins, I'm using the slack to look into setting up a CI pipeline for ...
4
votes
0answers
2k views

Java 8 time - LocalDateTime vs LocalDate and truncatedTo limitation handling

I am new to the Java 8 time package, and am trying to better understand it and make sure that I am making good use of it. Is there a specific reason that LocalDateTime's truncatedTo(TemporalUnit) ...
4
votes
0answers
1k views

What language are Visual Studio solution (.sln) files written in?

I suppose that maybe what made me ask this question is, that every time I do a commit in Git the .sln files comes up whenever there were changes. So, as a person who reviews all my changes when I do ...
4
votes
0answers
686 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 ...
4
votes
0answers
3k views

Option<T> functional type implementation and scenarios

Have you ever being implementing Option<T> functional type? It is discussed here: https://app.pluralsight.com/library/courses/tactical-design-patterns-dot-net-control-flow/table-of-contents ...
4
votes
0answers
948 views

Fast fixed-size (256 bit) integer modulo/division

What is the fastest way to divide two 256-bit integers? They are represented as an array of 26-bit words, each stored in 32-bit integers. I have access to a 64-bit type if that's useful. It seems ...
4
votes
0answers
351 views

Test-first iterative development in Common Lisp environment

Given: I want to practice proper test-first, continuous delivery-style software development in Common Lisp environment. Problem: How each red-green-refactor iteration of the process should look like?...
4
votes
0answers
773 views

Oauth 2 store access token vs verifying on each call

Let's say my Server is both Authorization Server and Resource server My Client (for example mobile app) can authenticate in 2 matters: via Resource Owner Password Credentials Grant via ...
4
votes
0answers
569 views

Decoupling of Model and API (in an .net WEB API Project)

I currently have one separate project for my models, and one separate project for a API application that consumes this model. The intention of the separation is to avoid any outgoing dependencies from ...
4
votes
0answers
129 views

Environment that enables variable constraint checking and creation

Currently, I'm working on a system that enables users to add Tag's to available TagTypes on specific pages. For instance, we would have a TagType called "Installer" and the user wants his name ...
4
votes
0answers
1k views

Is this Auto-Updating strategy for a program in C++ compiled with mingw32 for Windows correct?

I 've been thinking a lot on auto-updating, but wanted to check with you guys if you see any anti-patterns in my proposal: Context I'm coding a game in C++ and SDL, compiled in an Ubuntu (host) for ...
4
votes
0answers
180 views

How to make sure media are used only on authorized sites?

I have a video library that I need to publish for my clients. The clients need to be able to embed a player into their sites and play the videos. I need to restrict access to my clients only so that ...
4
votes
0answers
2k views

Connecting with OAuth, dealing with logout and browser sessions

I work on a open-source web application (Moodle) which connects to a number of external services such as Google Drive, Dropbox etc. to allow users to exchange files with these services. Primarily we ...
3
votes
0answers
105 views

Client generated JWT

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'...
3
votes
0answers
46 views

Release Phase in Lamport's Mutual Exclusion Algorithm

I was studying Lamport's mutual exclusion algorithm from the original paper, and noticed a difference in the release phase to the one given in Wikipedia. In the original paper, author states that : ...
3
votes
0answers
2k views

Unit Of Work with multiple database context

I have created an application (net core 2 & ef core) with Unit Of Work and Generic repository pattern. I used to have one database context but due to some business logic I had to create a second ...
3
votes
0answers
132 views

Using C# to implement an F# type provider

I am in a situation where I believe type providers would be useful. Consuming type provider in F# could be the way I finally dip my toes in F#. However, I understand that writing type providers is ...
3
votes
0answers
129 views

Hashing algorithm without the avalanche effect

I know that one of the most important features of hashing algorithms, is that minor changes in the input should reflect great change in the hash itself (the avalanche effect), but I'm currently ...
3
votes
0answers
121 views

Rust and lifetime elision rules for structs?

In the Rust documentation, under the structs section, they give this example of how structs need lifetimes when they contain references: struct Foo<'a> { x: &'a i32, } because We ...
3
votes
0answers
352 views

Microservices and Modular based front end

I'm a software developer, and the kind of developer we call "front end developer". I'm working on stuff like Angular JS, Angular 2 and others. I wanted to know how we can organize our front end code ...
3
votes
0answers
156 views

How to avoid points of critical failure?

Background We have a ton of GPS devices in vehicles. These devices need to communicate with our system. To achieve this, we need to parse the device's messages before proceeding. The following ...
3
votes
0answers
38 views

Maven project dependency management process

I'm writing what I might refer to as a Maven project dependency management process for a project I work on. Whenever a developer wants or needs to change the version number of an existing Maven ...
3
votes
0answers
38 views

Parse track meet output file result

I am building out a parser for a well-known track & field meet management software output file (sample output). I can parse this manually, and put items into my object model (overview below), but ...

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