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15 votes
0 answers
798 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 ...
14 votes
2 answers
2k views

Managing private NPM packages and CI/CD

At work, we have an application that is run directly on dev machines, but deployed in Docker swarms (a QA swarm and production swarm). The code and CI/CD pipelines are all in GitLab CE. It uses ...
  • 721
13 votes
0 answers
2k 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....
  • 887
11 votes
1 answer
671 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. ...
11 votes
0 answers
788 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 ...
10 votes
2 answers
626 views

Boundaries of unit testing between my code and a library or sub-component

Background: I am new to testing in general, and have been studying it in context of JavaScript, specifically React.js, front-end development (actually new to this as well). For the question, I have ...
9 votes
1 answer
517 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, ...
  • 602
9 votes
1 answer
536 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 ...
9 votes
5 answers
3k views

Write data to SQL Server directly from BizTalk or use external service?

An external source will be sending us XML data that BizTalk will pick up and transform into an internal schema. We need this data to be loaded into a SQL Server database as we're going to expose some ...
  • 115
9 votes
0 answers
128 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 ...
9 votes
1 answer
705 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 ...
  • 191
9 votes
1 answer
462 views

Clarification about Event Producer in StreamInsight

I need a small clarification about StreamInsight, I know by doc's that StreamInsight can handle multiple concurrent Events. But will the event producer be a separate function, for ex: I need to watch ...
  • 191
8 votes
3 answers
2k views

Balance between aggregate boundaries and domain consistency in DDD

Designing an Aggregate and choosing an Aggregate Root getting tricky for me all the time especially when it comes to ensuring right transactional contexts and consistency constraints so I'm wondering ...
  • 441
7 votes
0 answers
134 views

Is there any guideline from Unicode on how to deal with graphemes that have no base character?

A valid sequence of code-points can begin with one or more combining mark, which form a grapheme cluster that has no base glyph. I'm unsure how that should be handled, if at all. For example, consider ...
  • 822
7 votes
0 answers
145 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 ...
7 votes
1 answer
399 views

Should I be concerned with dependencies?

Our organization uses IBM ClearCase to manage its versioning controls (for better or worse). We've been working on our application for several years now, and a large number of activities have started ...
  • 1,502
7 votes
1 answer
234 views

Should an interface covariant on T ever implement an interface invariant on it?

I was reading through the Hacklang docs on Collections, and came across this curious definition [paraphrased slightly]: interface KeyedIterable<Tk, Tv> ... interface ConstVector<+Tv> ...
  • 497
7 votes
1 answer
2k views

When to use wide column stores instead of document based stores

I have some experience with document based stores (MongoDB and CouchDB) and I am interested in exploring wide column databases. Based on my initial exploration I can grasp a basic understanding of ...
7 votes
1 answer
1k views

Alternatives to Pessimistic Locking in Cluster Applications

I am researching alternatives to database-level pessimistic locking to achieve transaction isolation in a cluster of Java applications going against the same database. Synchronizing concurrent access ...
  • 1,561
6 votes
1 answer
1k views

Git Flow w/ VSTS Build Pipelines

I am trying to marry the git flow approach (w/ dev, test, uat, staging, prod env) & automated build and releases in Visual Studio Team System (VSTS). Slightly struggling due to VSTS needing a ...
  • 217
6 votes
0 answers
332 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 ...
6 votes
0 answers
204 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 ...
  • 235
6 votes
0 answers
172 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 ...
6 votes
0 answers
116 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 ...
  • 223
6 votes
1 answer
174 views

Proxying REST Backends

I have several backends services (REST+SOAP) that have to be consumed by an SPA (Single Page Angular2 App). As JWT (JSON Web Token) is not feasible for me for the moment, security is done using CAS ...
  • 293
6 votes
0 answers
969 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 ...
6 votes
0 answers
362 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 ...
6 votes
0 answers
690 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 ...
6 votes
0 answers
111 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 ...
6 votes
1 answer
426 views

Maintenance Complexity of Gradle build scripts

I am currently trying out Gradle for my embedded development project. The existing tool is GNU Make. Across the internet I have read a lot of articles where people say that their build logic becomes "...
  • 161
6 votes
2 answers
156 views

Which data structures and algorithms should I consider for a directed rooted tree that has high churn?

I need to represent a directed rooted tree in memory. What would be a good data structure and algorithms for performing main actions, given the particulars listed below? Size: ~40,000 nodes. But ...
  • 3,576
5 votes
0 answers
146 views

Is it possible to use a reverse proxy authentication in a native mobile app

We have a few backend services that our frontend SPAs fetch data from. Right now, the SPAs use JS libraries to authenticate with the Auth server (Azure AD) which returns a JWT which is validated by my ...
5 votes
0 answers
205 views

Fortran-Python Interface

Disclaimers: This question is reposted from SO upon SO user's suggestion to put it here since there is no specific code in question. This question is a subset of my larger theme of Fortran ...
  • 325
5 votes
1 answer
1k views

Using PostgreSQL MD5 hash to calculate a 64 bit hash value for advisory lock functions?

I have a particular problem addressing the PostgreSQL advisory locking functions using the bigint variants. Basically I want to create a 64 bit bigint value from a text type obtained with the ...
5 votes
2 answers
1k views

kafka consumer properties session.timeout.ms vs heartbeat.interval.ms

I am reading Kafka, the definitive guide and I came across the below point for consumers. heartbeat.interval.ms must be lower than session.timeout.ms, and is usually set to one-third of the timeout ...
  • 59
5 votes
0 answers
2k views

Getting AWS SNS Messages into Azure Service Bus

I have a similar question to one already asked about SQS to Azure Service Bus - https://stackoverflow.com/questions/51650073/consume-aws-sqs-and-publish-to-azure-service-bus. I want to get messages ...
5 votes
0 answers
432 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 ...
  • 311
5 votes
1 answer
172 views

Dependency management for facades/adapters to cloud services (SemVer?)

Suppose I have a library, that basically works as a facade to some cloud service (e.g. JavaScript API that wraps around network calls to some RESTfull service). And once that service introduces a ...
5 votes
1 answer
1k views

Project structure with git submodules with common dependencies

I have two (and more in the future) Python projects that I'd like to package into a global package in order to import its modules and use them in another external projects in the future. This is how ...
  • 167
5 votes
2 answers
1k views

Handling common code among presenters

I'm facing some issues related to code duplication when following MVP architectural pattern in an Android project that I'm working with. My project structure is separated by packages: data, domain, ...
  • 167
5 votes
1 answer
685 views

Class table inheritance using Slick: always an anti-pattern?

My application's model includes a number of entities that share many common properties, and are operated on by many of the same classes. If I was using an ORM, I'd define an abstract class with the ...
5 votes
0 answers
2k views

Understanding the data flow in Spring REST layered architecture

I am new to Spring as well as layered architecture. So am a bit confused as how data flows among the different layers. What so far I have understood is: Layers: Controller (which accepts requests) ...
5 votes
0 answers
458 views

FRP-style GUIs in Java

I recently built a small web application using riotjs, a library that facilitates creating UIs in the spirit of functional reactive programming, i.e. defining the UI as a pure function of the ...
  • 159
5 votes
0 answers
137 views

Can integration tests be run asynchronously with Maven?

Because I work at a company with lots and lots of computers, I find it to be a little ironic that it takes half an hour to cut a release of the latest version of our software. The bottleneck seems ...
  • 6,877
5 votes
0 answers
122 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 ...
5 votes
2 answers
418 views

Preferred approach to a matching process

I am currently in the process of putting together a matching algorithm. The matching process is as follows: Query data is used to perform a "lookup" on a set of reference data in order to determine ...
  • 159
5 votes
0 answers
13k views

What should I use for @Nullable if I used the lombok @NonNull?

I am using the lombok @NonNull annotation for some of my fields, parameters and methods, partly for null checking, and also partly for documentation purpose. It is then confusing if I added a @NonNull/...
  • 618
5 votes
2 answers
499 views

Domain Events Grouping/Buffering

Suppose I have 3 domain events, Event1 Event2 and Event3. When command arrives at my Service Layer, I can rise 2 commands at the same time - e.g. Event1 and Event2. One Class has event listener for ...
5 votes
1 answer
502 views

I need to be able to adapt my type to theirs, and theirs to mine

I have a situation where I have an external library. In short, I need to be able to adapt my type to theirs, and theirs to mine. The library has a collection like so: interface IExternalCollection { ...
5 votes
0 answers
660 views

Feature Toggles for Front-end Redesign

We are planning a redesign of our front-end and would like to roll it out using a feature toggle. We want to expose the changes to limited sets of users as we iterate and perhaps allow users to opt ...
  • 151

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