Questions tagged [serialization]
Serialization is the process by which an object is converted into a format that can be stored and later retrieved.
250
questions
3
votes
0answers
50 views
Getting a list of waypoints assuming that there is a map [closed]
I'm a beginner learning ROS. I'm developing an android application that will control my robot and that includes getting the list of waypoints to display it to my spinner. How do you get the list of ...
4
votes
1answer
73 views
Parse data into an array of structs
I'd had a hard time getting this to work. I’d like to parse a file containing data and copy this data into a struct.
The data file (test.dat) looks like this:
<...
2
votes
0answers
31 views
F# XML Generation in .NET Core: XmlSerializer or XmlProvider
I am working on SEPA XML generator in F#.
I developed two solutions that are roughly equivalent, one relies on the XmlSerializer while the other relies on ...
2
votes
1answer
38 views
An imitation of reading a C Struct from binary file in python 2.7
Preliminary
I need to read a binary file constructed by writing a Struct to it with Python. So I decided to write a simple wrapper using ...
1
vote
1answer
83 views
Hex string to Base64 in Haskell
This is my take on the first challenge on the cryptopals crypto challenges list. I think that i made it quite simple but i feel like it is possible to optimize it further. Any suggestion?
The code:
...
1
vote
1answer
84 views
Async Tcpwriter and Reader
I currently have a class that I want to serialize/deserialize messages sent to this socket.
My plan was to use Task.WhenAny() to monitor 2 tasks (Either watch ...
16
votes
6answers
2k views
Avoiding repetition when using the “snprintf idiom” to write text
I'm writing a function to stringify a nested struct. I'm using snprintf to pre-calculate how much space I'll need to allocate.
The problem is, it's extremely ...
1
vote
1answer
61 views
Sign-up serialization in Python [closed]
I built a small project using Django-Rest-Framework. Please comment on the best practice style for the code below, which will make it simpler.
...
2
votes
1answer
66 views
Deserializing response to correct type
I use this method to get either Customer or Account. The server will determine which type it is.
The response will have a property "Type": "Customer" or ...
2
votes
1answer
67 views
Converting hex strings to byte arrays and back to hex strings in Java
Here is my attempt at converting hex strings to byte arrays and converting byte arrays to hex strings:
net.coderodde.util.ByteStringConverter
...
2
votes
1answer
30 views
Indeterminate-length big-endian to little-endian conversion in Python
I have a need to convert wire encoding (big-endian) to little-endian in Python.
The conversion needs to happen as a separate function; I am not allowed to change the function that reads the byte ...
6
votes
1answer
121 views
Java objects for a network sniffer program
I'm working on a network sniffer program, whose structure uses 3 main classes:
Frame Class - One per monitored frame, holds reference to all the other sub frames
Parse Class - Holds the hex value of ...
3
votes
1answer
65 views
Convert characters to octal, binary, and integer
I have implemented a sample program that converts vector of characters to its integer representation depending on the bit size specified. I was hoping to get some input on how to simplify the sequence....
3
votes
0answers
89 views
Java code to convert BigDecimal to/from .NET decimal
Background
In many languages we have built-in data types for representing decimal floating point numbers. In .NET that's decimal, and in Java we have ...
6
votes
2answers
150 views
Unmanaged byte array to managed structure
I have a need to turn byte arrays into various structures.
First version:
...
3
votes
1answer
73 views
2
votes
0answers
101 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 ...
1
vote
1answer
140 views
IEnumerable<T> async serialization
I am building some classes to serialize (in an async / await way) potentially pretty long ...
11
votes
3answers
2k views
Decoding assembly instructions in a Game Boy disassembler
I am coding a game boy disassembler in C++. The program (simplified here) converts a vector of byte into an assembly instruction and print it.
To do so, it iterates through the vector of bytes (char)...
0
votes
0answers
157 views
Basic Connect Four Game [Follow Up 1]
Here is an updated version of a basic connect four game I had posted previously. Changes include:
an overhauled validator, simplifying the process by knowing where the
last move was made
Utilized an ...
6
votes
0answers
71 views
Reading sparse matrix from binary file
I have binary files containing sparse matrices. Their format is:
number of rows int
length of a row int
column index int
value float
Reading ...
4
votes
1answer
64 views
Deserializing an XML Object without Reflection / Meta-Programming
I need to deserialize an XML file, without using any sort of "reflection" (or meta-programming). Instead, I need to do it via a raw object, that knows of it's structure and can properly identify and ...
4
votes
2answers
58 views
Parsing Bitcoin binary data file with Python
The script parses Bitcoin database (blkXXXXX.dat) files directly from raw binary to txt human readable view. And I think about how to encrease the speed of processing.
Can anyone suggest how to ...
0
votes
1answer
65 views
Breaking a 32-bit value into bytes for an ArrayList
I am very new to Java and its collections and I'm trying to figure out "best" way to populate an ArrayList<Byte> in Java. In particular, I'm trying to take a ...
1
vote
2answers
669 views
Write byte array to end of file
I'm writing a byte array at the end of file. The code works fine, but can you please suggest performance improvements?
...
0
votes
1answer
66 views
Invocable callout(Post) from processbuilder
I am relatively new in making (invocable)callouts. My main concern is if I should be using smaller parts for example for the body and using a query only once in this case. Any suggestions would be ...
5
votes
2answers
94 views
Custom serialiser with object factory
A couple of years ago I wrote a serialisation library for my project. By the time it worked well, but recently I thought it could be modernised. Back then I needed something that looks similar to ...
7
votes
1answer
958 views
A little Python hex editor
First off
I'm quite new to Python, there will be a lot of messy/overcomplicated code, that's why I'm posting on this site.
This code is written in Python (2.7) using the Tkinter library.
Questions
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0
votes
1answer
64 views
Serializable game loop thread
I have been working on a small game lately and I was tired of looking up and copy-pasting game loops so I tried to make one as you can see. It works perfectly so if you want to feel free to use it, ...
1
vote
0answers
512 views
A simple and efficient packet frame encoder/decoder
I have written a simple packet-framing class, for converting un-encoded 'packets' into encoded/delimited 'frames,' to be sent over a P2P serial connection. The functionality is based on the RFC 1662 "...
7
votes
1answer
156 views
Library for managing sub-byte named bitfields
When writing custom network serialization in Rust, I've come across a use case for storing and retrieving values in bitfields smaller than the u8 available in Rust. ...
8
votes
4answers
3k views
reinterpret_cast vs bit shifts for extracting 32-bit integers from bytes, with either endianness [closed]
I've written some simple helper functions that read data types from a vector of bytes (binary files) and having a tough time deciding which route to go.
Method 1 : reinterpret_cast
...
7
votes
3answers
265 views
Convert binary raster file to text CSV
I have a binary file input.hgt from the Shuttle Radar Topography Mission. It contains a 3601✕3601 matrix, stored as 2-Byte big-endian integer numbers. My code ...
3
votes
1answer
90 views
Serializing a table for filing
I have a table in Lua, which contains two 1-dimensional arrays in which each array contains approximately 800,000 elements. I want to serialize this Lua table to file efficiently. Hence, I planned to ...
2
votes
0answers
54 views
Whole Packet Protocol Communication Library in Node
I have built this small class as a small library to be able to talk to a server that uses CapeSoft's NetTalk library as socket library, and which uses the Whole Packet Protocol, which is a simple ...
4
votes
2answers
63 views
Parsing CAN frames from a ByteArray
Here's my method used for parsing a ByteArray into multiple frames of CAN interface. It works now correctly but it's somewhat ugly in my opinion.
It's written in ...
2
votes
0answers
229 views
Ruby Hash to XML
I've just made this "serialization" module in Ruby that takes a hash and outputs a XML string.
...
4
votes
1answer
984 views
A consumable byte array, in Swift
For decoding binary data (in my case, delivered by a Bluetooth device), I've written this struct:
...
10
votes
2answers
5k views
Writing a bitmap image from C++
Here's my function that creates a bitmap file from an array of pixels. It can write a bitmap both with transparency and without transparency. Please review my code and give constructive criticism on ...
-1
votes
1answer
1k views
Hex string to byte array in the defined order
Here is the function to convert hex string to byte array in the defined order. Any improvements?
...
1
vote
1answer
54 views
Created a serializable object that can handle primitive types
I don't need a lot and I don't need for my code to handle everything. Even now, I'm just looking at handling serialization. I'm pretty much building on it as needed. I am trying to support vectors ...
8
votes
4answers
623 views
Packet Factory design for networking application
I'm working on a network application that implements a custom protocol. I want to easily extend the application support over the protocol as it changes. Also, as the application extends, I might need ...
4
votes
0answers
121 views
C++ string Formatter Again Part-4
Previously asked here.
The code is now available on GitHub.
Since the previous review I have added unit tests.
Since it is big it will come in a couple of parts.
Part 1 | Part 2 | Part 3 | Part 4
...
4
votes
1answer
136 views
C++ string Formatter Again Part-3
Previously asked here.
The code is now available on GitHub.
Since the previous review I have added unit tests.
Since it is big it will come in a couple of parts.
Part 1 | Part 2 | Part 3 | Part 4
...
4
votes
1answer
113 views
C++ string Formatter Again Part-2
Previously asked here.
The code is now available on GitHub.
Since the previous review I have added unit tests.
Since it is big it will come in a couple of parts.
Part 1 | Part 2 | Part 3 | Part 4
...
5
votes
2answers
190 views
C++ string Formatter Again Part-1
Previously asked here.
The code is now available on GitHub.
Since the previous review I have added unit tests.
Since it is big it will come in a couple of parts.
Part 1 | Part 2 | Part 3 | Part 4
...
11
votes
6answers
5k views
Calculate fingerprint for an object
I need to store serialized objects in a database and I want to avoid duplicates. In order to be able to tell wheter an object is already stored, I have to compare them somehow. My idea was to ...
3
votes
1answer
265 views
HL7 message builder and unit tests
I had to code a project due to my final exams in April. It is an application which simulates a hospital. There are admissions, transfers and discharges of patients in this hospital. For each of those,...
4
votes
0answers
103 views
(de-)serializer for arbitrary python objects
My program is intended to allow (de-)serialization of arbitrary Python objects. It's basically a replacement for python's pickle module, which is similar but prone ...
3
votes
1answer
333 views
Base64 string ↔ float array
I need to convert f32 arrays with a fix length to base64 representation and back.
My current code looks like this. It works, but it feels way too complicated.
How ...
