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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘JSON’ Category

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Random User Generator | Home

Posted by jpluimers on 2021/11/23

Cool tool for when you ever need random users to test a system [Wayback] Random User Generator | Home:

Random user generator is a FREE API for generating placeholder user information. Get profile photos, names, and more. It’s like Lorem Ipsum, for people.

This was used when extracting Parler data to substantiate evidence around the 20210106 USA Capitol riots.

You can even use a simple HTTP GET like [Wayback] randomuser.me/api and get a JSON result like this.

{"results":[{"gender":"female","name":{"title":"Miss","first":"Malou","last":"Mortensen"},"location":{"street":{"number":2669,"name":"Lyngbyvej"},"city":"Sundby","state":"Syddanmark","country":"Denmark","postcode":48047,"coordinates":{"latitude":"-35.1307","longitude":"113.7480"},"timezone":{"offset":"+1:00","description":"Brussels, Copenhagen, Madrid, Paris"}},"email":"malou.mortensen@example.com","login":{"uuid":"981747de-66fe-40b0-87ea-adfe403fe1be","username":"purpleostrich871","password":"sweets","salt":"x86aQbIB","md5":"55497ac53530b428f98b9d36267ceeef","sha1":"358b94ffabe7d827c34da15791e5d6717c594428","sha256":"6e357e887877e29b7e6d53073f648174382c53c24f83479e25fed9c82075ed32"},"dob":{"date":"1995-06-05T04:50:35.145Z","age":26},"registered":{"date":"2018-07-21T00:59:50.523Z","age":3},"phone":"02990797","cell":"94800012","id":{"name":"CPR","value":"050695-9954"},"picture":{"large":"https://randomuser.me/api/portraits/women/27.jpg","medium":"https://randomuser.me/api/portraits/med/women/27.jpg","thumbnail":"https://randomuser.me/api/portraits/thumb/women/27.jpg"},"nat":"DK"}],"info":{"seed":"8971869bb62b73d7","results":1,"page":1,"version":"1.3"}}

Via:

–jeroen

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Posted in Communications Development, Development, HTTP, Internet protocol suite, JavaScript/ECMAScript, JSON, Python, REST, Scripting, Software Development, TCP | Leave a Comment »

JSONPlaceholder – Fake online REST API for developers

Posted by jpluimers on 2021/03/25

A great way for testing REST JSON calls is using the [WayBack] JSONPlaceholder – Fake online REST API for developers:

Fake Online REST API for Testing and Prototyping
Serving ~200M requests per month
Powered by JSON Server [WayBack] + LowDB [WayBack]

It is like [WayBack] Placeholder.com: Placeholder Images Done For You [JPG, GIF & PNG] but for JSON and supports both CORS and JSON-P for cross domain requests.

You can either use that site (which has a predefined set of REST calls) or the basic [WayBack] My JSON Server – Fake online REST server for teams that allows you to respond it to a db.json file from github:

Fake Online REST server for teams

Create a JSON file on GitHub

github.com/user/repo/master/db.json
{
  "posts": [
    {
      "id": 1,
      "title": "hello"
    }
  ],
  "profile": {
    "name": "typicode"
  }
}

Get instantly a fake server

my-json-server.typicode.com/user/repo/posts/1
{
  "id": 1,
  "title": "hello"
}

Related

Documentation

There is basic documentation at the repository [WayBack] GitHub – typicode/jsonplaceholder: A simple online fake REST API server:

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Posted in Communications Development, Development, HTTP, Internet protocol suite, JavaScript/ECMAScript, JSON, REST, Scripting, Software Development, TCP | Leave a Comment »

How do I pretty-print JSON in Delphi? – Stack Overflow

Posted by jpluimers on 2021/02/09

For my archive: the [WayBack] How do I pretty-print JSON in Delphi? – Stack Overflow answer by [WayBack] Bob:

If you do not want to use any external library, and you’re using a Delphi XE5 or newer, there is a very handy TJson.Format() function in the REST.Json unit.

uses json, REST.Json;

{ ... }    

function FormatJSON(json: String): String;
var
  tmpJson: TJsonObject;
begin
  tmpJson := TJSONObject.ParseJSONValue(json);
  Result := TJson.Format(tmpJson);

  FreeAndNil(tmpJson);
end;

–jeroen

Posted in Delphi, Development, JavaScript/ECMAScript, JSON, Scripting, Software Development | Leave a Comment »

JSON to tabular format via JSONformatter.org and JSON2table.com

Posted by jpluimers on 2020/11/10

Two interesting sites to ease transforming JSON fragments in log-messages to a table system, for instance Excel.

  1. Paste the bits in [WayBack] Best JSON Pretty Print Online then fix any syntax errors.
  2. Copy from there to [WayBack] json2table.com and press the triangle button (run)
  3. Copy either the tabular or tree result to your favourite program.
  4. Format any numbers for readability. I really like the Custom format ##0.00E+00 that just shows the exponents in multiples of 3 (so kilo, mega, giga, etc)[WayBack] formatting – How can I format bytes a cell in Excel as KB, MB, GB etc? – Stack Overflow

This way I copied the example code into adjecent Excel areas, so I could compare the values and calculate memory increase of a Delphi application.

—jeroen

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Posted in Development, JavaScript/ECMAScript, JSON, LifeHacker, Power User, Scripting, Software Development | Leave a Comment »

Go character and string literals: regular (‘), double (“) and back-tick (`) quotes

Posted by jpluimers on 2020/10/01

For my link archive:

Back-ticks can be very useful for instance when you need to specifying json tags.

References for that:

–jeroen

Posted in Development, Encoding, Go (golang), JavaScript/ECMAScript, JSON, Scripting, Software Development | Leave a Comment »

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