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Software Engineering

Questions tagged [concurrency]

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Concurrency is a property of systems in which several processes are executing at the same time.

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3answers
319views

We have a desktop application written in Java that communicates with a DB. We support Oracle and Postgres. For the purpose of this question, let's focus on PostgresOur app uses one connection for all ...
-2votes
3answers
276views

We have third party software being tested. Our software has to interface with this, hence my involvement. There are some things I consider serious technical flaws. I'd like to communicate these things ...
Dan's user avatar
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4votes
3answers
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I inherited a piece of software. This program is connected to an external hardware, which is a measurement device. Every 100 milliseconds, a value is read from this device and displayed to the user. ...
2votes
4answers
316views

I've been wondering about the following: Say you have an async message/task and you want that message only processed one at the time. for example: Only process one order for each customer at the time. ...
Joel Harkes's user avatar
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1answer
399views

So I'm working on the Web API for my website and certain API calls need to be performed with thread safety in the application's runtime. I have created a locking service which uses a semaphore for ...
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1answer
696views

I use code like this and it seems to work fine:void addActions(const vector<zero_arity_function>& _actions){ actionsMutex.lock(); for (auto entry : _actions) { ...
stands2reason's user avatar
1vote
2answers
237views

I have the following operations:User submits eventWe store event in a queueWait for events and store them in db for redundancyWait for events and process themRemove events from queue and dbFor ...
Cristi's user avatar
2votes
2answers
199views

We are developing a multi-user web-based application, where the users can join a "room" and a complicated handshake has to be set up between them, to be able to use a library on each ...
1vote
3answers
490views

The issue that I'm facing is on a banking app. There are two ways to register for internet banking.A) Self RegisterB) Ask for bank to register via their GUI panel backend.Consider this scenario:...
2votes
3answers
628views

I have a server which maintains some shares state.The clients can send some requests and get an answer from the server.Sometimes the server needs to give some information to the client ...
benjamin-lieser's user avatar
1vote
1answer
217views

I am working on a Go application where two concurrent maps, products and productCatalog, are accessed by numerous threads in live traffic to retrieve data at high throughput. These maps are populated ...
1vote
2answers
694views

(updated)We have a read-only REST endpoint that performs a somewhat “expensive“ but transient request. Without client needing to poll, we need a mechanism for the server to avoid unnecessary ...
eliangius's user avatar
4votes
2answers
999views

I've been learning about threads and processes and I understand that threads allow you to write concurrent code: where executing threads switch very quickly from one to another, giving the impression ...
1vote
2answers
94views

Here's an interesting scenario, consider a cache with many buckets, and resources that can be shared between buckets:BucketHighest to lowest priorityFooA, B, C, DBarB, C, DBazAIn the example ...
2votes
2answers
158views

I'm building a mobile, in which the user is able to create,modify and delete entries in a database. There are multiple screen where some of the entries are displayed: (here are some examples, not ...

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