Http Annotations For Code Generation For Package Http

Provides annotations for http code gen

Add in your pubspec.yaml

   dependencies:
      http_annotations:

   dev_depedencies:
      // package that processes the http_annotations for code generation
      http_gen:
      build_runner:

Generate the files dart run build_runner watch --delete-conflicting-outputs

Common imports on top of the file

   import 'package:http_annotations/http_annotations.dart';
   import 'package:http/http.dart';
   import 'dart:convert';
   import 'dart:async' show compute; // optional, if you use useFlutterCompute

Excluded generated files from analyzer in analysis_options.yaml

   analyzer:
      exclude:
         - lib/**/*.http.dart

Add the generated file as a part of this file and annotate your class with @HttpApi()

part 'file_name.http.dart';

@HttpApi(
   'http://localhost:3000',
   useFlutterCompute: true, // is you want to use compute (defaults to false)
)
abstract class MyApi {
  // create a factory redirect (this is required)
  factory MyApi() = _$MyApi;

  // optional close method to dispose resources
  void close();
}

Annotate methods with appropirate HTTP Method and path

@Route.get('/api/v0/todos')
Future<List<Todo>> getTodos();

Parameter replacement support

@Route.get('/api/v0/todo/{id}')
Future<Todo> getTodo(int id);

Annotate methods with headers

@Route.get('/api/v0/todos')
@Header.contentTypeJson()
@Header('cache', 'never')
Future<List<Todo>> getTodos();

Annotate methods with HTTP status codes that have body

By default only status code 200 is supported Example, if you want to add for status codes 400 and 401

@Route.get('/api/v0/user/login')
@StatusCodesWithBody([200, 400, 401])
Future<LoginResponse> login();

Annotate a parameter with the body of the request (post, put, patch, delete)

@Route.post('/api/v0/todo')
Future<CreateTodoResponse>(@Body() Map<String, dynamic> json);

Annotate a parameter with query parameter

@Route.get('/api/v0/todos')
Future<List<Todo>>(
  @QueryParam() int page,
  @QueryParam('named_limit') int limit,
);

Use this package as a library

Depend on it

Run this command:

With Dart:

 $ dart pub add http_annotations

With Flutter:

 $ flutter pub add http_annotations

This will add a line like this to your package's pubspec.yaml (and run an implicit dart pub get):

dependencies:
  http_annotations: ^0.0.8

Alternatively, your editor might support dart pub get or flutter pub get. Check the docs for your editor to learn more.

Import it

Now in your Dart code, you can use:

import 'package:http_annotations/http_annotations.dart';

example/README.md

Check a full example

---

Author: spideythewebhead
Source code: https://github.com/spideythewebhead/http_annotations
License:

#dart #flutter 

What is GEEK

Buddha Community

Static Code Analysis: What It Is? How to Use It?

Static code analysis refers to the technique of approximating the runtime behavior of a program. In other words, it is the process of predicting the output of a program without actually executing it.

Lately, however, the term “Static Code Analysis” is more commonly used to refer to one of the applications of this technique rather than the technique itself — program comprehension — understanding the program and detecting issues in it (anything from syntax errors to type mismatches, performance hogs likely bugs, security loopholes, etc.). This is the usage we’d be referring to throughout this post.

“The refinement of techniques for the prompt discovery of error serves as well as any other as a hallmark of what we mean by science.”

• J. Robert Oppenheimer

Outline

We cover a lot of ground in this post. The aim is to build an understanding of static code analysis and to equip you with the basic theory, and the right tools so that you can write analyzers on your own.

We start our journey with laying down the essential parts of the pipeline which a compiler follows to understand what a piece of code does. We learn where to tap points in this pipeline to plug in our analyzers and extract meaningful information. In the latter half, we get our feet wet, and write four such static analyzers, completely from scratch, in Python.

Note that although the ideas here are discussed in light of Python, static code analyzers across all programming languages are carved out along similar lines. We chose Python because of the availability of an easy to use ast module, and wide adoption of the language itself.

How does it all work?

Before a computer can finally “understand” and execute a piece of code, it goes through a series of complicated transformations:

As you can see in the diagram (go ahead, zoom it!), the static analyzers feed on the output of these stages. To be able to better understand the static analysis techniques, let’s look at each of these steps in some more detail:

Scanning

The first thing that a compiler does when trying to understand a piece of code is to break it down into smaller chunks, also known as tokens. Tokens are akin to what words are in a language.

A token might consist of either a single character, like (, or literals (like integers, strings, e.g., 7, Bob, etc.), or reserved keywords of that language (e.g, def in Python). Characters which do not contribute towards the semantics of a program, like trailing whitespace, comments, etc. are often discarded by the scanner.

Python provides the tokenize module in its standard library to let you play around with tokens:

Python

1

import io

2

import tokenize

3

4

code = b"color = input('Enter your favourite color: ')"

5

6

for token in tokenize.tokenize(io.BytesIO(code).readline):

7

    print(token)

Python

1

TokenInfo(type=62 (ENCODING),  string='utf-8')

2

TokenInfo(type=1  (NAME),      string='color')

3

TokenInfo(type=54 (OP),        string='=')

4

TokenInfo(type=1  (NAME),      string='input')

5

TokenInfo(type=54 (OP),        string='(')

6

TokenInfo(type=3  (STRING),    string="'Enter your favourite color: '")

7

TokenInfo(type=54 (OP),        string=')')

8

TokenInfo(type=4  (NEWLINE),   string='')

9

TokenInfo(type=0  (ENDMARKER), string='')

(Note that for the sake of readability, I’ve omitted a few columns from the result above — metadata like starting index, ending index, a copy of the line on which a token occurs, etc.)

#code quality #code review #static analysis #static code analysis #code analysis #static analysis tools #code review tips #static code analyzer #static code analysis tool #static analyzer

Guidelines for Java Code Reviews

Get a jump-start on your next code review session with this list.

Having another pair of eyes scan your code is always useful and helps you spot mistakes before you break production. You need not be an expert to review someone’s code. Some experience with the programming language and a review checklist should help you get started. We’ve put together a list of things you should keep in mind when you’re reviewing Java code. Read on!

1. Follow Java Code Conventions

2. Replace Imperative Code With Lambdas and Streams

3. Beware of the NullPointerException

4. Directly Assigning References From Client Code to a Field

5. Handle Exceptions With Care

…

#java #code quality #java tutorial #code analysis #code reviews #code review tips #code analysis tools #java tutorial for beginners #java code review

How to Find the Stinky Parts of Your Code (Part II)

There are more code smells. Let’s keep changing the aromas. We see several symptoms and situations that make us doubt the quality of our development. Let’s look at some possible solutions.

Most of these smells are just hints of something that might be wrong. They are not rigid rules.

This is part II. Part I can be found here.

Code Smell 06 - Too Clever Programmer

The code is difficult to read, there are tricky with names without semantics. Sometimes using language’s accidental complexity.

_Image Source: NeONBRAND on _Unsplash

Problems

• Readability
• Maintainability
• Code Quality
• Premature Optimization

Solutions

1. Refactor the code
2. Use better names

Examples

• Optimized loops

Exceptions

• Optimized code for low-level operations.

Sample Code

Wrong

function primeFactors(n){
	  var f = [],  i = 0, d = 2;  

	  for (i = 0; n >= 2; ) {
	     if(n % d == 0){
	       f[i++]=(d); 
	       n /= d;
	    }
	    else{
	      d++;
	    }     
	  }
	  return f;
	}

Right

function primeFactors(numberToFactor){
	  var factors = [], 
	      divisor = 2,
	      remainder = numberToFactor;

	  while(remainder>=2){
	    if(remainder % divisor === 0){
	       factors.push(divisor); 
	       remainder = remainder/ divisor;
	    }
	    else{
	      divisor++;
	    }     
	  }
	  return factors;
	}

Detection

Automatic detection is possible in some languages. Watch some warnings related to complexity, bad names, post increment variables, etc.

#pixel-face #code-smells #clean-code #stinky-code-parts #refactor-legacy-code #refactoring #stinky-code #common-code-smells

Bar Code Generator In Laravel 7.x

Bar Code Generate in Laravel 7, 6. In this post, i will show you simple and easy steps to generate bar/qr code in laravel.

Generate Bar codes in Laravel

Use the below given steps and generate bAR/QR codes in laravel Projects:

1. Install Laravel Fresh Setup
2. Set database Credentials In .env File
3. Install simple-QRcode Package
4. Register Package
5. Test Qr Code
6. Conclusion

https://www.tutsmake.com/laravel-6-simple-generate-or-create-qr-codes-example/

#laravel 7 bar code generator #barcode generator laravel 7 #barcode generator laravel 6 #laravel 7 qr code generator #laravel simple/barcode example

How To Take Help Of Referencing Generator

APA Referencing Generator

Many students use APA style as the key citation style in their assignment in university or college. Although, many people find it quite difficult to write the reference of the source. You ought to miss the names and dates of authors. Hence, APA referencing generator is important for reducing the burden of students. They can now feel quite easy to do the assignments on time.

The functioning of APA referencing generator

If you are struggling hard to write the APA referencing then you can take the help of APA referencing generator. It will create an excellent list. You are required to enter the information about the source. Just ensure that the text is credible and original. If you will copy references then it is a copyright violation.

You can use a referencing generator in just a click. It will generate the right references for all the sources. You are required to organize in alphabetical order. The generator will make sure that you will get good grades.

How to use APA referencing generator?

Select what is required to be cited such as journal, book, film, and others. You can choose the type of required citations list and enter all the required fields. The fields are dates, author name, title, editor name, and editions, name of publishers, chapter number, page numbers, and title of journals. You can click for reference to be generated and you will get the desired result.

Chicago Referencing Generator

Do you require the citation style? You can rely on Chicago Referencing Generator and will ensure that you will get the right citation in just a click. The generator is created to provide solutions to students to cite their research paper in Chicago style. It has proved to be the quickest and best citation generator on the market. The generator helps to sort the homework issues in few seconds. It also saves a lot of time and energy.

This tool helps researchers, professional writers, and students to manage and generate text citation essays. It will help to write Chicago style in a fast and easy way. It also provides details and directions for formatting and cites resources.

So, you must stop wasting the time and can go for Chicago Referencing Generator or APA referencing generator. These citation generators will help to solve the problem of citation issues. You can easily create citations by using endnotes and footnotes.

So, you can generate bibliographies, references, in-text citations, and title pages. These are fully automatic referencing style. You are just required to enter certain details about the citation and you will get the citation in the proper and required format.

So, if you are feeling any problem in doing assignment then you can take the help of assignment help.
If you require help for Assignment then livewebtutors is the right place for you. If you see our prices, you will observe that they are actually very affordable. Also, you can always expect a discount. Our team is capable and versatile enough to offer you exactly what you need, the best services for the prices you can afford.

read more:- Are you struggling to write a bibliography? Use Harvard referencing generator

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