Acces to component instance inside mat-row Angular Material Table

<!– Position Column –> <ng-container matColumnDef=”position”> <th mat-header-cell *matHeaderCellDef> No. </th> <td mat-cell *matCellDef=”let element”> <app-my-component [position]=”element.position” ></app-my-component> </td> </ng-container> image of my table Hello, I want to access to my component instance that is inside a matRow https://stackblitz.com/edit/angular-mmuf6a I have create an row directive with host on click listener and I try to get…

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Why does main thread here doesn’t wait for t2? Here the output always is always more than 20000 but not consistent

package org.multithreading.basics; public class ThreadJoin { public static void main(String[] args) { Counter counter = new Counter(); Thread t1 = new Thread(counter); Thread t2 = new Thread(counter); t1.start(); t2.start(); try { t1.join(); t2.join(); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println(“Numbers counted =” + counter.getCount()); } } class Counter implements Runnable { private int count;…

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Why does epoll use a red-black tree to manage file descriptors rather than a hash table?

The linux system call epoll_ctl (at fs/eventpoll.c) uses a red-black tree known as the interest list to create, remove, or modify interest in events of a file descriptor. The interest list is not searched by epoll_wait, which rather waits for callbacks from poll (at include/linux/poll.h). Therefore, the execution time of epoll to receive interesting file…

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Does a trusted blockchain import from BitcoinCore require that chainstate and blocks be from the same source?

Can the chainstate folder from a pruned node be used with the blocks folder from a full node to provide the full blockchain? Assume that both nodes have been running for months. If the blocks folder contains references to filenames in the chainstate folder, then the answer is no. I know this because the filenames…

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