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C - Dynamic array handling advice


C - Dynamic array handling advice

By : lightingCoder
Date : November 22 2020, 10:40 AM
seems to work fine Your array_length is O(N). This will lead to quadratic runtimes if you add lots of items in an array, which can be quite slow.
What you can so instead is use a struct to store the size of the array
code :
struct dyn_array {
    size_t array_size; // how many elements fit in the array?
    size_t nelems;     // how much array space are we using now? 
    int *elems; //or void*, you know the drill...
}


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Handling rotation advice

Handling rotation advice


By : AKON1124
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You should not set the height and width using fixed value. You can check the guideline here for the best practice on handling multiple screen resolution and orientation.
Android: Supporting Multiple Screens
How to ignore default exception handling advice when it is already handled by another advice

How to ignore default exception handling advice when it is already handled by another advice


By : doe
Date : March 29 2020, 07:55 AM
will help you I currently have a ExceptionAdvice class where it handles all the basic (400, 405, 404 and Other) Exceptions. For example I have a default advice where it handles all MethodArgumentNotValidExceptions and returns 400 Bad Request Error. For example , You are misunderstanding @AfterThrowing:
code :
package de.scrum_master.app;

public interface Response {
  String getMessage();
}
package de.scrum_master.app;

public class NormalResponse implements Response {
  private String message = "OK";

  @Override
  public String getMessage() {
    return message;
  }

  @Override
  public String toString() {
    return "NormalResponse [message=" + message + "]";
  }
}
package de.scrum_master.app;

public class ErrorResponse implements Response {
  private String message;
  private Exception exeception;

  public ErrorResponse(String message, Exception exeception) {
    this.message = message;
    this.exeception = exeception;
  }

  @Override
  public String getMessage() {
    return message;
  }

  public Exception getExeception() {
    return exeception;
  }

  @Override
  public String toString() {
    return "ErrorResponse [message=" + message + ", exeception=" + exeception + "]";
  }
}
package de.scrum_master.app;

import java.util.Random;

public class Application {
  private final static Random RANDOM = new Random();

  public Response produceException() throws Exception {
    if (RANDOM.nextBoolean())
      throw new Exception("normal error");
    return new NormalResponse();
  }

  public Response produceSpecialException() throws Exception {
    if (RANDOM.nextBoolean())
      throw new Exception("special error");
    return new NormalResponse();
  }

  public static ErrorResponse defaultHandler(Exception e) {
    return new ErrorResponse("default handler", e);
  }

  public static void main(String[] args) {
    Application application = new Application();
    for (int i = 0; i < 5; i++) {
      try {
        System.out.println(application.produceException());
      } catch (Exception e) {
        System.out.println(defaultHandler(e));
      }
      try {
        System.out.println(application.produceSpecialException());
      } catch (Exception e) {
        System.out.println(defaultHandler(e));
      }
    }
  }

}
ErrorResponse [message=default handler, exeception=java.lang.Exception: normal error]
NormalResponse [message=OK]
ErrorResponse [message=default handler, exeception=java.lang.Exception: normal error]
ErrorResponse [message=default handler, exeception=java.lang.Exception: special error]
NormalResponse [message=OK]
NormalResponse [message=OK]
ErrorResponse [message=default handler, exeception=java.lang.Exception: normal error]
ErrorResponse [message=default handler, exeception=java.lang.Exception: special error]
NormalResponse [message=OK]
NormalResponse [message=OK]
package de.scrum_master.aspect;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;

import de.scrum_master.app.ErrorResponse;
import de.scrum_master.app.Response;

@Aspect
public class ErrorHandler {
  @Around("execution(de.scrum_master.app.Response produceSpecialException(..))")
  public Response handleError(ProceedingJoinPoint thisJoinPoint) throws Throwable {
    try {
      return (Response) thisJoinPoint.proceed();
    }
    catch (Exception e) {
      return new ErrorResponse("aspect handler", e);
    }
  }
}
ErrorResponse [message=default handler, exeception=java.lang.Exception: normal error]
ErrorResponse [message=aspect handler, exeception=java.lang.Exception: special error]
NormalResponse [message=OK]
ErrorResponse [message=aspect handler, exeception=java.lang.Exception: special error]
ErrorResponse [message=default handler, exeception=java.lang.Exception: normal error]
NormalResponse [message=OK]
ErrorResponse [message=default handler, exeception=java.lang.Exception: normal error]
ErrorResponse [message=aspect handler, exeception=java.lang.Exception: special error]
NormalResponse [message=OK]
NormalResponse [message=OK]
Need advice on handling action "read" in PHP file for handling CRUD operations

Need advice on handling action "read" in PHP file for handling CRUD operations


By : user3025927
Date : March 29 2020, 07:55 AM
I hope this helps you . You'll need to modify your read() function to make the $land_contract_id optional:
code :
function read($land_contract_id = null) {
    $sql = "SELECT * FROM land_contracts";

    if($land_contract_id) {
        $sql .= " WHERE land_contract_id = {$land_contract_id}";
    }

    $result = $database->select_rows($sql);
}
Handling dynamic growth of an array of pointers to structures

Handling dynamic growth of an array of pointers to structures


By : keicia graham
Date : March 29 2020, 07:55 AM
To fix this issue I have a problem about the growth of the struct pointer array. , In C++, just use an std::vector:
Handling gson with dynamic array and Object

Handling gson with dynamic array and Object


By : Prasanna Kalusinghe
Date : March 29 2020, 07:55 AM
around this issue You can handle it with "JsonDeserializer" .Here is an example. Make class ProvidersDetails implements Serializable
Create a new class like this
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