Minecraft Server not letting people in even after port forwaring

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• Methods to remove Time Limit exceeded error from my code?

  https://www.codechef.com/MARCH21C/problems/COLGLF4

  This is the question, for which I have written the solution.

  It shows Time Limit Exceeded(TLE) error.

  Pls suggest how do I optimise it further.

  I have optimised it to some extent. How do I Optimise it further. Pls Help!

  Here in my code: e-> egg, h-> choclate

  #define fastio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
  #include <bits/stdc++.h>
  using namespace std;
  
  // help returns the min cost for n items
  int help(int n, int e, int h, int& a, int& b, int& c, int *** dp){
      
      if(n==0) return 0;
      if(dp[h][e][n]!=-1) return dp[h][e][n];
      
      int p1=INT_MAX,p2=INT_MAX,p3=INT_MAX;
      
      if(e>=2){
          int ans = help(n-1,e-2,h,a,b,c,dp);
          // dp[h][e-2] = ans;
          if(ans != INT_MAX) p1=ans + a;
      }
      if(h>=3){
          int ans = help(n-1,e,h-3,a,b,c,dp);
          // dp[h-3][e] = ans;
          if(ans != INT_MAX) p2 = ans + b;
      }
      if(e>=1&&h>=1){
          int ans = help(n-1, e-1,h-1,a,b,c,dp);
          // dp[h-1][e-1] = ans;
          if(ans != INT_MAX) p3= ans + c;
      }
      
      int f = min(p1,min(p2,p3));
      dp[h][e][n] = f;
      return f;
  }
  
  int main() {
      // your code goes here
      fastio();
      int T;
      cin>>T;
      for(int t=0;t<T;t++){
          int n,e,h,a,b,c;
          cin>>n>>e>>h>>a>>b>>c;
         // scanf("%d",&n);
         // scanf("%d",&e);
         // scanf("%d",&h);
         // scanf("%d",&a);
         // scanf("%d",&b);
         // scanf("%d",&c);
          
          
          int*** dp = new int**[h+1];
          for(int i=0;i<=h;i++){
              dp[i] = new int*[e+1];  
              for(int j=0;j<=e;j++){
                  dp[i][j] = new int[n+1];
                  for(int k=1;k<=n;k++) dp[i][j][k]=-1;
              }
          }
          for(int i=0;i<=h;i++){
              for(int j=0;j<=e;j++){
                  dp[i][j][0]=0;
              }
          }
          
          
          int ans = help(n,e,h,a,b,c,dp);
          if(ans == INT_MAX) cout<<-1<<'\n';
          else cout<<ans<<'\n';
          
         // for(int i=0;i<=h;i++){
         //     for(int j=0;j<=e;j++){
         //         cout<<dp[i][j]<<" ";
         //     }cout<<endl;
         // }
          
          for(int i=0;i<=h;i++){
              for(int j=0;j<=e;j++){
                  delete [] dp[i][j];
              }
              delete dp[i];
          }
          delete [] dp;
          
      }
      return 0;
  }
  
• how to change search icon, hint and text color in Android SearchView?

  So I was working with this SearchView and everything looked fine in the emulator. when I tested it in the actual device, all of the icons turned white.

  I looked up on some of the sources on how to style the SearchView but most of them are maybe outdated and nothing seems to work.

  Current SearchView XML:

  <SearchView
              android:id="@+id/lead_search_view"
              style="@style/AppTheme.SearchView"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:layout_marginStart="10dp"
              android:layout_marginLeft="10dp"
              android:layout_marginTop="20dp"
              android:layout_marginEnd="10dp"
              android:layout_marginRight="10dp"
              android:layout_marginBottom="10dp"
              android:background="@drawable/custom_background_spinner"
              android:iconifiedByDefault="false"
              android:queryBackground="@android:color/transparent"
              android:queryHint="Enter a keyword"
              android:theme="@style/AppTheme.SearchView" />
  

  The style that I followed on some solutions:

   <style name="AppTheme.SearchView" parent="Widget.AppCompat.SearchView">
          <item name="android:textColor">@color/colorPrimary</item>
          <item name="android:textColorHint">@color/colorHint</item>
          <item name="searchIcon">@drawable/ic_search_field_icon</item>
      </style>
  
• I want to relationship between two table using room persistence library?

  I want to implement the 1-N relationship between the two tables using the Room persistence library but below are not working for me where I am going to be wrong if anyone knows please correct me. There is a lot of question asking about the relationship in the room but no one correct so please don't add my question to duplicate. Thanks in advance

  parent table

  package com.example.musicplayer.Room;
  import androidx.room.Entity;
  import androidx.room.PrimaryKey;
  
  @Entity
  public class AlbumModel {
      @PrimaryKey (autoGenerate = true)
      private int albumId;
  
      private String albumName;
  
      public int getAlbumId() {
          return albumId;
      }
  
      public void setAlbumId(int albumId) {
          this.albumId = albumId;
      }
  
      public String getAlbumName() {
          return albumName;
      }
  
      public void setAlbumName(String albumName) {
          this.albumName = albumName;
      }
  }
  

  child table

  package com.example.musicplayer.Room;
  
  import androidx.room.ColumnInfo;
  import androidx.room.Entity;
  import androidx.room.ForeignKey;
  import androidx.room.PrimaryKey;
  
  import static androidx.room.ForeignKey.CASCADE;
  
  @Entity(foreignKeys = {@ForeignKey(entity = AlbumModel.class,
          parentColumns = "albumId",
          childColumns = "albumListID",
          onDelete = ForeignKey.CASCADE)
  })
  public class AlbumListModel {
      @PrimaryKey(autoGenerate = true)
      private int listID;
  
      @ColumnInfo(index = true)
      public int albumListID;
  
      private String path;
  
      public int getListID() {
          return listID;
      }
  
      public void setListID(int listID) {
          this.listID = listID;
      }
  
      public int getAlbumListID() {
          return albumListID;
      }
  
      public void setAlbumListID(int albumListID) {
          this.albumListID = albumListID;
      }
  
      public String getPath() {
          return path;
      }
  
      public void setPath(String path) {
          this.path = path;
      }
  }
  

  Relationship

  package com.example.musicplayer.Room;
  
  import androidx.room.Embedded;
  import androidx.room.Relation;
  
  import java.util.List;
  
      public class OneToManyRModel {
          @Embedded
          public AlbumModel albumModel;
      
          // this below line code for one foreign key handle(1-N Relationship)
          @Relation(parentColumn = "albumId"
          ,entityColumn = "albumListID")
          public List<AlbumListModel> playList;
      }
  

  DAO

  package com.example.musicplayer.Room;
  
  import androidx.room.Dao;
  import androidx.room.Delete;
  import androidx.room.Insert;
  import androidx.room.Query;
  import androidx.room.Transaction;
  
  import java.util.List;
  
  @Dao
  
      public interface AlbumDao {
      
          @Query("Select * from AlbumModel")
          List<AlbumModel> getAllAlbums();
      
          @Insert
          void insertAlbum(AlbumModel albumModel);
      
          @Transaction
          @Query("SELECT * FROM AlbumModel")
          List<OneToManyRModel> getUsersWithPlaylists();
      
          @Insert
          void insertSongListAlbum(List<AlbumListModel> albumListModelList);
      
      }
  
• Indicate whether to send a cookie in a cross-site request by specifying its SameSite attribute

  when I run my web-devlopment project in my localhost it show a error message "whether to send cookie"
• Heroku Server Not Pulling Latest Info From Local File?

  I have a simple express server and uploaded it on Heroku. The server reads the datetime from date.json and displays it. A file called update.js writes the current datetime to a file called date.js. I'm using Heroku Scheduler to call node update.js to update the date.json file every 10 minutes.

  Essentially, the API should show the latest Datetime string that is updated every 10 minutes.

  When I access the API... the date never gets updated. I also tried node update.js && npm start to restart the server on every update. It works when running locally. Any idea why the datetime string never changes when uploaded on Heroku?

  server.js

  // importing
  const express = require('express');
  const cors = require('cors');
  const fs = require('fs');
  
  // app config
  const app = express();
  const port = process.env.PORT || 9000;
  
  // middleware
  app.use(cors());
  app.use(express.json());
  
  // api routes 
  // ------- BEGIN RELEVANT PART OF CODE -------
  app.get('/', (req, res) => {
      const json = fs.readFileSync('./date.json');
      latestDate = JSON.parse(json);
      res.status(200).send(latestDate);
  });
  // ------- END RELEVANT PART OF CODE -------
  
  // listener
  app.listen(port, () => console.log(`Listening on http://localhost:${port}`));
  
  

  update.js

  const fs = require('fs');
  
  const update = () => {
      const dateObj = {Date: new Date().toISOString()}
      fs.writeFileSync('./date.json',JSON.stringify(dateObj));
  }
  
  update();
  

  date.json

  {"Date":"2021-03-08T01:56:15.714Z"}
  
• Proxy Data Between Servers Dynamically

  Suppose I have servers A, B, and C in my network.

  'A' can speak to 'B', but not 'C'. 'C' can speak to 'B', but not 'A'.

  How do I get data from A to C, via B? How do I do so dynamically?

  Can I run server Z, which acts as a pathfinder of some kind? Does each server require a daemon in some form?

  Down the line, I would ideally be able to get data from A to Z through an arbitrarily long chain of servers; I simply have no idea where to start.

  The only constraint is that the OS is Linux and the networking is software.
• Kicked with "io.netty.channel.AbstractChannel$AnnotatedConnectException" error

  [21:59:36] [main/INFO]: [CHAT] Impossibile connettersi al server. Errore: io.netty.channel.AbstractChannel$AnnotatedConnectException
  [22:05:04] [main/INFO]: [CHAT] 
  [22:05:04] [main/FATAL]: Error executing task
  java.util.concurrent.ExecutionException: java.lang.NullPointerException
      at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_51]
      at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_51]
      at h.a(SourceFile:47) [h.class:?]
      at bib.az(SourceFile:991) [bib.class:?]
      at bib.a(SourceFile:419) [bib.class:?]
      at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
      at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
      at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
      at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
  Caused by: java.lang.NullPointerException
      at bhk.d(SourceFile:228) ~[bhk.class:?]
      at brz.a(SourceFile:1694) ~[brz.class:?]
      at kl.a(SourceFile:117) ~[kl.class:?]
      at kl.a(SourceFile:13) ~[kl.class:?]
      at hv$1.run(PacketThreadUtil.java:20) ~[hv$1.class:?]
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_51]
      at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_51]
      at h.a(SourceFile:46) ~[h.class:?]
      ... 9 more
  

  When I try to connect in the Prison mode, it kicks me out and give me the exception "io.netty.channel.AbstractChannel$AnnotatedConnectException". The main server (so the Hub) lets me connect properly, but this particular submode not.
• Trying to make an banking deposit with player input

  I'm fairly new to coding spigot but I am trying to make a banking script where the player would click the deposit button and be prompted to type in the amount of money they want to deposit. However, when this happens in game, it automatically determines the input as 0 and doesn't give the player enough time to type in their message. Here is the code:

  private void deposit(Player p, String gang) {
  
      deposited.add(p);
      p.closeInventory();
      p.sendMessage(ChatManager.Feedback("jahseh", "Please type how much money you want to deposit"));
      int input = (int) MyListener.typed;
      if (Main.getEconomy().getBalance(p) >= input){
          Main.getEconomy().bankDeposit(gang, input);
          p.sendMessage(ChatManager.Feedback("jahseh", "You have deposited " + input + " stonebucks into your gang's bank."));
      }
      if (Main.getEconomy().getBalance(p) < input){
          p.sendMessage(ChatManager.Feedback("alert", "You are trying to deposit more money than you currently have!"));
      }
  
      }
  
  
  
  public void input (AsyncPlayerChatEvent event){
  Player p = event.getPlayer();
  String typed = event.getMessage();
  if(Bank.deposited.contains(p)) {
      Bank.deposited.remove(p);
      event.setCancelled(true);
  }
  

  } }
• Lootdrop forge minecraft

  First time working with java & json in the Minecraft forge developer environment, does someone knows why loot table is not working? supposed to drop a mod item when you break a mod block, but nothing happens when i test, i mean nothing drops when i break the block.(Theres differences between block/and block item "opalo_ore" and "opalo")

      {
    "type": "minecraft:block",
    "pools": [
      {
        "rolls": 1,
        "bonus_rolls": 2,
        "entries": [
          {
            "type": "minecraft:item",
            "name": "curseduwu2920:opalo"
          }
        ]
      }
    ]
  }