rruffer

Change TimeZone in Docker containers

With Docker Engine

The timezone of a container can be set using an environment variable in the docker container when it is created. For example:

$ docker run ubuntu:latest date
Sat Feb 27 15:58:32 UTC 2021
$ docker run -e TZ=America/Bogota ubuntu:latest date
Sat Feb 27 15:58:40 Asia 2021

rruffer

WSL 2 GNOME Desktop

Think Xfce looks dated? Want a conventional Ubuntu experience? This tutorial will guide you through installing Ubuntu's default desktop environment, GNOME.

GNOME is one of the more complex — and that means more difficult to run — desktop environments, so for years people couldn't figure out how [to](https://www.reddit.

rruffer

import java.nio.ByteBuffer;
import java.nio.channels.AsynchronousSocketChannel;
import java.nio.channels.CompletionHandler;
import java.util.LinkedList;
import java.util.concurrent.TimeUnit;

/**
 * This class wraps the AsynchronousSocketChannel reading and writing operations. The wrapped reading and writing operations is 
 * completely asynchronous operation. No any exception will be thrown from the read/write operation. If any exception occurs 
 * during read & write, the failed() method in CompletionHandler will be called. 

rruffer

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';

// Angular Material Components
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
import {MatCheckboxModule} from '@angular/material/checkbox';
import {MatButtonModule} from '@angular/material/button';
import {MatInputModule} from '@angular/material/input';
import {MatAutocompleteModule} from '@angular/material/autocomplete';
import {MatDatepickerModule} from '@angular/material/datepicker';

rruffer

<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromDegrees="0"
    android:pivotX="50%"
    android:pivotY="50%"
    android:duration="1" /*Duration = 1 means that the rotation will be done in 1 second*/
    /*increase duration if you want to speed up the rotation*/
    android:toDegrees="360"
     >

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private static OkHttpClient getUnsafeOkHttpClient() {
    try {
        // Create a trust manager that does not validate certificate chains
        final TrustManager[] trustAllCerts = new TrustManager[]{
                new X509TrustManager() {
                    @Override
                    public void checkClientTrusted(java.security.cert.X509Certificate[] chain,
                                                   String authType) throws CertificateException {
                    }

rruffer

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javafx.stage.Stage;
import org.w3c.dom.Document;

/** 

rruffer

Recentemente enfrentei problemas em um aplicativo Android que desenvolvi, o qual se comunica com o banco de dados de um dos sistemas da empresa, codificado em ISO-8859-1 (Firebird) através de um web service.

Os dados eram gravados de forma errada, muitas vezes truncavam e as vezes apareciam caracteres estranhos.

Depois de algumas tentativas, cheguei até a seguinte solução: