JSON (JavaScript Object Notation) aka the Fat Free Alternative to XML is a lightweight data exchange format inspired by JavaScript object literals. It is often used with JavaScript, Ajax, and RESTful web services but is completely language independent.
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Parsing JSON with generics
I get back two dictionaries, I need to parse through them and put in an array two objects. I think I did a very poor job and I have a feeling there is a better way to make the code more compact and ...
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1answer
31 views
A simple parcel checker Python script
My current student accommodation uses a manual paper and pen system for checking if students have mail so I made this simple Python script to help mitigate the problem of manually searching through ...
2
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1answer
29 views
Join JSON objects on common property
is there an easier/more efficient way to join two JSON objects on a common property than this? It's a GeoJSON file (basically an array of objects), and I want to pull in a property from another JSON ...
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3answers
79 views
Using argparse with parameters defined in config file
I understand that and why using eval is generally considered bad practice in most cases (see e.g. here). Related questions on config files and argparse don't use ...
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1answer
29 views
Downloading and parsing data
I developed this class to download a JSON from a server, parse the result and call a delegate back on the class that called it. Since I am self started I want to know if this is a good practise.
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2
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1answer
34 views
JSON C pull parser
Back in the day in addition to DOM and SAX parsers for XML another parser type was relatively popular -- pull parsers. Recently I was looking for a JSON parser and figured that most JSON C parsers are ...
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1answer
43 views
Extract data from large JSON and find frequency of contiguous sub lists
I have been writing some code (see component parts here and here) that:
Takes a very large JSON (15GB gzipped, ~10million records)
Extracts the relevant parts of the JSON into a list of lists
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2answers
44 views
Finding the differences between two revisions (or objects)
This detects the difference between two objects (or revisions):
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4
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2answers
80 views
App to list books from JSON data
I recently submitted the code for this for an 2 hour interview but I was rejected.
The app shows book information with a image, title, and author. Each entry has a title but some entries have no ...
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2answers
41 views
Concatenating multiple strings from a JSON response
I would like to concatenate a series of strings populated from an XHR response. So, I've chosen to do it like this:
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3answers
69 views
Checking for an undefined nested variable in a JS object
Is there a better or shorthand way to perform a check on whether or not a variable within (possibly several levels of) an object is null or undefined?
What I would currently do to check is:
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4
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1answer
79 views
Converting string to dict using Python ast library
I have been trying to convert a string of dictionary objects as given below
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2
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1answer
45 views
Convert XML files to JSON and move them
What the code does (tested basic, no errors, usecase):
Reads all XML files (ending in .yin) from a directory.
converts each to JSON
store it in another directory, ...
0
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1answer
76 views
Fetching of JSON data through an API with AngularJS
I have been trying out AngularJS and developing a mobile application to test out its features and I wanted to see if I could somehow refactor to make my JSON response hopefully quicker in fetching the ...
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119 views
CSV to JSON conversion in Java
Since I've looked far and wide for a good example of this to no avail, I have created my own using the JSONArray and JSONObject ...
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1answer
76 views
Retrieving objects from JSON URLs
This is an accounting program (and my first attempt at a web app of any kind) where users need to get and retrieve objects from different JSON URLs and at different levels. Rails is used for the back.
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0answers
80 views
Create JSON object from self-nested LINQ query
I created this function to created nested JSON object using a Linq query. How can I optimize this and make it more readable?
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7
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1answer
236 views
JSON parser in C#
I've writen a C# JSON parser, but its performance is not as good as JSON.NET.
Running the same test, my parser takes 278 ms and JSON.NET takes 24 ms. What should I do to optimize it? It seems that ...
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0answers
28 views
Generating JSON from a query
I am trying to generate JSON from a query. All this seems to be too much grinding it out.
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2
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1answer
18 views
Saving and loading parts of configuration
I have a piece of code where I have string pairs (eg. 'a' and 'AA'), where both have their own unique ids. Id for first object is configured by user and second id is received at some point during ...
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77 views
Optimizing D3 Stream Graph Code
I have two javascript functions that generate a D3 Stream graph. I feel I may be excessively and unnecessarily iterating over my dataset to get it into the desired form.
How might I optimize or ...
3
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1answer
311 views
Building Weather Forecast from JSON with optionals
I am looking for the best way of parsing JSON in Swift 2.0.
I have this JSON
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2answers
190 views
MySQL JOIN to JSON array
I'm building a HTTP API and this part should return a JSON list of posts and their attached photos, like this:
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3
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1answer
41 views
Complex sorting of nested data
I am retrieving data from Postgres (jsonb type) and I need to return an OrderedDict that has a predictable order for human and machine consumption. There are some ...
2
votes
1answer
121 views
JSON serialization helper class
I wrote this class to one-line all my JSON serialization, and I'm curious of any input on it.
It's only responsible for serializing/deserializing any type to/from JSON.
The comments and code are ...
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0answers
89 views
Appending JSON values to the DOM
My code below uses JSON to append images into the DOM. It works properly but I want to optimize my JavaScript to see if I can write it in fewer lines or if there are methods I can use that optimize my ...
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2answers
182 views
Program that filters JSON data based on user selection
I have made a basic program using AngularJS that displays data from a JSON file, and filters it according to the user's selection (specifically FIFA 15 chemistry cards).
I did plenty of CSS work to ...
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2answers
53 views
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1answer
93 views
Second attempt at Hangman in Swift
I recently posted my Hangman game, and got some amazing feedback! The main thing suggested was to create a word generator that could read JSON files so that my hangman brain class didn't have to ...
3
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1answer
78 views
XSL template for converting XML to JSON
I used saxon v9 to profile an XSL transformation which converts XML to JSON. The profiler tells me that the function which escapes certain characters takes about 70% of the total processing time. The ...
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1answer
141 views
Iterate JSON GIF collection array to HTML file
I've written a piece of code which utilizes a for loop to iterate this array in JavaScript. This is my first attempt and I wonder if there is an optimal way to do ...
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2answers
128 views
Generating random HearthStone cards: Preparing the training data
For a little toy project of mine I need to have data available in a certain format in order to be able to feed into a Recurrent Neural Network (Long short term memory), it uses HearthStone card data ...
3
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2answers
57 views
Slurp JSON trading cards to valid HTML
For Cardshifter TCG we pretty frequently update our list of available cards, so I tried to think of a way to make it easy to transform an exported JSON file containing all the cards into a decent HTML ...
4
votes
1answer
70 views
Concatenating a SoundCloud Playlist Update JSON
I am currently working on an implementation of SoundCloud for a 3rd party iOS app, and as there is no SDK anymore I am doing all my calls via Alamofire.
This is what SC expects you to send in your ...
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2answers
88 views
Parsing JSON string from HTTP request
HTTP request is made, and a JSON string is returned, which needs to be parsed.
Example response:
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1answer
108 views
Converting table data into nested JSON
I'm new to C# (coming from a JavaScript background) and it seems like this code could be greatly improved.
This SQL query:
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0answers
70 views
Custom `Decodable` for enum
I need to implement a decoding in the next JSONs:
First variant:
{}
Second variant:
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4
votes
1answer
34 views
Consolidating a raw csv of two ids to grouped set of ids in json
The file I'm processing here is an outputted file from a Java library called duke.
Its goal was go through all purchases made on a site and group them into a single customer. The output is a csv ...
4
votes
1answer
133 views
Dealing with messy JSON API and UTF-8 encoding problems
I am using an API that returns a JSON object that has "encoded_polyline" fields that tend to result in errors like this one:
UnicodeEncodeError: 'utf-8' codec ...
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2answers
50 views
Reloading selects with JSON
My JavaScript code is slow for large inputs. However, it is especially slow in IE. The browser will freeze for about a minute while the select is being reloaded. Any ideas for how to optimize this ...
5
votes
3answers
477 views
Login for desktop application
I am building a login using an API call to a URL that returns JSON data. The login works and is functional but in terms of "correctness" and "professionalism", I am looking to get input from some of ...
4
votes
1answer
152 views
Daily Desktop Background
I've created a simple command-line program that downloads the Bing Image of the Day, then sets it as my desktop background.
It is a console application, and closes immediately after setting my ...
6
votes
1answer
404 views
JSON serializer using generics rather than System.Object
I recently created a custom static class in C# to encode, hopefully, any object it is given (or collection of objects), because I was, at the time, unaware of a native C# library that did the same ...
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1answer
38 views
Testing class that transforms JSON into a spreadsheet
I am creating unit tests but the class uses objects that have long JSON. What can I do to improve the readability of this?
In tests, only insert those JSON really needed for the test. The class I ...
4
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2answers
245 views
Asynchronous HTTP JSON request
For asynchronous requests, I use Alamofire.
I have created one method for requesting async data.
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3
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1answer
110 views
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1answer
86 views
Create Java object from from page content or plain text
My job is to make a specified java objects from web page that contains following text:
Companies:
...
4
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2answers
127 views
Fetching the definition of a word using a REST API
This is the code I'm using to GET the definition of a word from Wordnik's REST API. I don't want to ignore any error but this is causing the code to be ridiculously long. I'm new to Swift so I'd ...
3
votes
1answer
1k views
Java JSON Stringifier with the Nashorn API
I have written a Java JSON stringifier with the Nashorn API. Since this code is slow, I wanted to ask if I can improve it. My target is the highest possible performance to make it an alternative to ...
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vote
2answers
409 views
Reading data from database, saving to new list and adding list to grid
I made some changes to how I was saving the data in order for it to show up on a kendo grid. Right now my giant method is getting data from the database (using ...
