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.
261
questions
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52 views
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 ...
0
votes
0answers
42 views
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 ...
1
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1answer
54 views
1
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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 ...
2
votes
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 ...
1
vote
0answers
63 views
Stream Exercise: average delta of the yearly average temperature per country
a Temperature calss is given (not allowed to modify it):
...
-1
votes
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
...
2
votes
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?
<...
2
votes
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 ...
6
votes
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 ...
5
votes
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:
...
4
votes
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 ...
2
votes
0answers
73 views
Seekable HTTP response stream wrapper
I created this wrapper to use together with HttpClient streams and ZipArchive. ZipArchive ...
2
votes
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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votes
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
...
6
votes
2answers
97 views
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 ...
1
vote
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:
...
9
votes
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, ...
5
votes
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 ...
4
votes
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 ...
2
votes
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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2
votes
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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1
vote
0answers
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 ...
3
votes
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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3
votes
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 ...
4
votes
0answers
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 ...
-1
votes
1answer
57 views
java for loop with map merge [closed]
Simple conversion of one type to another.
Is there a better way with streams :
...
2
votes
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 ...
5
votes
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 ...
7
votes
1answer
328 views
3
votes
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 ...
1
vote
0answers
21 views
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, ...
4
votes
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:
...
0
votes
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 ...
1
vote
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:
...
1
vote
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 ...
0
votes
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:
...
0
votes
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 ...
1
vote
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 ...
3
votes
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 ...
5
votes
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 ...
1
vote
1answer
2k views
Stream operation with two dimensional array
I am trying to find the best average score from below two dimensional array:
...
-1
votes
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.
...
5
votes
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 <...
0
votes
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. ...
2
votes
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 ...
0
votes
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
vote
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 ...
7
votes
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
votes
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 ...
