Questions tagged [stream]

A stream is a series of data elements (characters, bytes or complex packets) which can be accessed or made accessible in a serial fashion. Random access is not possible.

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HTTP Client - Best practices

I've made a HTTP client and would like some tips to improve my code, it's supposed to be built for xamarin forms but should work with any implementation. My goal of this project was to learn more ...
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Downloading large amount of data and storing on Android & iOS

So I have this API that downloads from our web service, but the we service sends it as a ZIP file instead of a json stream or something else. Now the files can get quite large butt they are not ...
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1answer
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1answer
55 views

Image type convertion

So I have a piece a code that, altough it does what is expected, it doesn't seam very performant to me. I just wanted to know if there's a better way to do this or if my code is alright as it is. The ...
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1answer
40 views

Building a Map of Set using Java Streams

I wrote a collector that would take a stream of Map.Entry<Integer, MyObject> which I want to make into ...
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63 views

Stream Exercise: average delta of the yearly average temperature per country

a Temperature calss is given (not allowed to modify it): ...
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1answer
50 views

Functional filter unique elements in sequence is not as good as imperative [closed]

Can you please help me fulfill the following? Requirements: Create an iterable with unique elements. Their order should be preserved: a | b | a | c → a | b | c ...
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1answer
121 views

Converting HashMap data to a Response object

I have a HashMap and I want to convert data in it to a Response object. Is it possible to achieve this code that parses the string in a better and optimized and cleaner way, maybe by using streams? <...
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1answer
68 views

Converts data in a HashMap to a custom object

I have a HashMap and I want to convert data in it to a Response object, but I do not find it clean and optimized. Is there a ...
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1answer
49 views

Design a native video buffer in C++ to be shown on android application and shared with other modules in native space and Java

I'm working on a design for a video buffer in C++ that will be used by many consumers both in the native library space(C++) as well as Java side using JNI. My Idea is the following: Have a buffer ...
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3answers
130 views

Proper way to find newest file in a directory

I wanted to ask if this is a better way to find a latest file in given directory. This is my current approach: ...
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1answer
317 views

Monitoring Traces for Satisfaction of Temporal Logic Properties

I am trying to implement a monitor for a certain temporal logic. What this means is the following: There is some external source, from which a trace of items are coming. An item looks like a ...
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73 views

Seekable HTTP response stream wrapper

I created this wrapper to use together with HttpClient streams and ZipArchive. ZipArchive ...
2
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1answer
71 views

OpenFile function in C++

I am in the process of learning basic C++ and one of the practice questions I came across was to write a function to open a file in C++. I did understand how to use the streams but I think I went ...
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1answer
66 views

how to write streams in java [closed]

Q: Given a list of Persons, return the first two Students having the last name starting with “C” My classes: Person class ...
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Printing the max of groups of three random ints

I'm trying to teach myself streaming and lambda expressions. Here's the scenario: I have a collection of 10 Thing objects each containing an int[] of 3 random number. I've written code to print out ...
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1answer
50 views

Is there better alternative to making an optional set of elements from iterable in java?

I'm feeling uneasy with this service method that I wrote: ...
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5answers
226 views

Stream text scanning

I've written some utilities to read text from streams. One of these, the ReadTo method, is to read text from a specified stream until a given text is encountered, ...
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1answer
48 views

Stack Exchange graph data - helper modules

Building on previous reviews Whilst not an iterative review I have tried to follow the advice provided to some of my older questions: KISS, in some of my previous questions I've over complicated the ...
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1answer
56 views

Reading from a stream but reserving N bytes at the end of stream

What I'd like to do is read data from a stream (like ifstream::read), but reserve N = 4 bytes from being returned. The last 4 bytes of the stream are not part of the data itself, but are metadata. In ...
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1answer
119 views

Group a list of strings by length

Is it possible to write this using the stream element? I can get the most of it with stream but it is the add adding string to list which is in the map that I am caught on. ...
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0answers
36 views

Middleware for authenticating GitHub webhooks

I'm currently working on a PSR-15 middleware for authenticating GitHub webhooks. ...
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28 views

Encrypted network protocol in NodeJS

This is just an exercise. I know I should not implement encryption protocol myself. I know I should use Node's TLS package. I know I do not authenticate other side, but merely encrypting traffic. I ...
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3answers
156 views

A stream version of Fizz Buzz

I'm trying to learn streams and hashmaps, in doing so I want to make a very scalable, very clean version of FizzBuzz while adhering to the book Clean Code by Robert Cecil Martin. ...
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0answers
85 views

Reading and parsing binary file from CAEN Digitizer (written by WaveDump)

Preliminaries I have CAEN Digitizer N6720A and use WaveDump software for the data acquisition and recording. As a result of data recording this software produces a binary file in which the sequence ...
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288 views

C++ network stream

So, I'm new to socket programming. I wanted to get started learning, and start making stuff, but was really surprised to find out there was no standard C++ network library yet. I'd have to look for a ...
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1answer
57 views

java for loop with map merge [closed]

Simple conversion of one type to another. Is there a better way with streams : ...
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0answers
151 views

WebAPI: Async Filtering CSV content + Json/XML Serialization

I am coding a csv file filtering api in ASP.NET Core, which takes a csv file located at a given uri (and retrieved via the query string) convert the content to a collection of records, then apply a ...
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1answer
80 views

C++ API for reading RIFF files

I wrote a simple library for reading RIFF-encoded files in C++. I tried to adhere to modern practices and provide an idiomatic API, but there is one part that sticks like a sore thumb to me: the way ...
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1answer
328 views

Overloading istream>> to read comma-separated input

I have the following very simple class: ...
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1answer
68 views

Concatenating an already existing filename to create a new file

I had answered this question from stackoverlow and the code below is code that I wrote to explain to the OP a possible way to achieve what I believe they were looking for. The general idea that I ...
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0answers
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Stream wrapper in node.ts

I like Node.js and typescript a lot, but i'm still pretty much a newbie with streams. I know how to use them, but I have trouble understanding how the work, what are the consequences of using them, ...
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1answer
67 views

Formatted reading

I thought it might be useful if reading could at least sort of mirror writing. For example, if I write some output like: ...
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1answer
55 views

Nested stream to check the truth condition at first instance

Lets say I have Cars with Features, and I have been given a List of features to look for in ...
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2answers
147 views

Reading new data from a constantly updating file in Java

I have a log file which is constantly updated with new lines of data. I need to get new added data in java as soon as it's written. For now my solution is: ...
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2answers
75 views

Read integers from coupled lines in a text file

I'm trying to read a text file formatted as in this example: 5 3 3 1 5 6 6 6 1 3 2 5 4 Where the lines are coupled, with the line above always being of length ...
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1answer
393 views

Convert a stream to Promise

I need to collect all the data from the stream and resolve it as promise. I created this stream: ...
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1answer
61 views

Text reading and string inputting program [closed]

The Main program. This program pulls from a .txt document with two separate strings, and outputs a .cs program that will display those two string via console when run. It uses a structure.txt file ...
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0answers
15 views

Swapping variable length strings asynchronously with connected microcontroller (Byte-banging)

I have an AT89S52 and an AT89C4051 microcontroller (both in the 8052 family) in which the bit lines of the data bus, one control pin and one status pin are connected together. In code, the data bus is ...
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2answers
160 views

Streaming modified lines of a file from a Controller

I am writing a piece of software that aims at streaming the modified lines of an external file located at given uri (and retrieved as a QueryString parameter). I am trying to minimize the impact of ...
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3answers
168 views

SslStream-compatible ReadLine extension

This code is a Extension to just be able to read a line quickly and efficiently with support for SslStream. What i'm looking to achieve: Lower CPU usage by ...
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1answer
2k views

Stream operation with two dimensional array

I am trying to find the best average score from below two dimensional array: ...
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1answer
45 views

How to use java 8 streams to get more readability and performance to this code [closed]

I got a forms list, and it has a tags list. I received from my front end app an array of tags (String), gotta filter these forms by these tags. ...
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1answer
2k views

Using Span<> and Memory<> to read UTF8 from a socket

I am experimenting with Span<> and Memory<> and checking how to use it for example for reading UTF8 text from a <...
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1answer
45 views

Copying contents between BufferedStreams in Java

This is a simple function that copies the content of one stream to another. My question is simple. I am currently, copying between the streams one byte at a time, but the streams are both Buffered. ...
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2answers
131 views

Read framed nested sensor data from memory stream

I'm implementing a TCP client to read data from a sensor. The sensor sends messages to connected clients framed with a start sequence, messages, checksum and end sum bytes. Because the sensor is ...
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1answer
58 views

Collect all items containing a word to a Multimap

I have a simple class like class Item { Set<String> wordSet() {...} } So each item has a set of words and I need ...
1
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1answer
210 views

Sliding Window Spliterator in Java

I implemented a custom Sliding Window Spliterator in Java. Do you have any ideas how this could be improved? Thinking if replacing the buffer with a plain array could have a positive impact on the ...
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3answers
154 views

Endless stream: stream a range and return default value if the range is exhausted

Introduction: Motivation Sometimes there is a need to merge N > 1 ranges, and they don't have equal length, but there is a value which can be used in case the range is already exhausted. It is ...
4
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1answer
982 views

Multiple client TCP stream reader

My server code is currently reading String data over a TCP connection form 2 different client computers. To do this I am duplicating the ...