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package x;

/**
 * <p>
 * Wildcards in "indirect" or "second level" generics.
 * <p>
 * {@link #list} contains generic items.
 * {@link #testWildcard()} and {@link #testGeneric()} wants to work with that items
 * and shouldn't care about it's generic type <i>as long as it's the same type through the
 * whole method<i>. How to express that correctly (if it's possible at all)?

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public interface Index() {
  /*
   * @return mutable copy of indexes contained in this instance.
   */
  MutableIndex beginMutation();

  /*
   * Example usage of indexes for data retrieval.
   */
  PrimaryKey findBySomeAttributeValue(String value);

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import java.math.BigDecimal;
import org.junit.jupiter.api.Test;

public class Sandbox {
	@Test
	public void testFloat() {
		double raw = 21.05d;
		double computed = 21.025d+0.025d;
		double rounded = Math.round((21.025d+0.025d) * 1000d) / 1000d;
		System.out.println(raw);

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package cz.cez.trading.algo.core;

import static org.junit.jupiter.api.Assertions.assertEquals;

import org.junit.jupiter.api.Test;

public class GenericPolymorphicFunctionTest {

	@Test
	public void testPolymorphicFunction() {

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0x7f3ef3603700 10:30:07.180 [opensc-tool] sc.c:259:sc_detect_card_presence: called
0x7f3ef3603700 10:30:07.180 [opensc-tool] reader-pcsc.c:397:pcsc_detect_card_presence: called
0x7f3ef3603700 10:30:07.180 [opensc-tool] reader-pcsc.c:303:refresh_attributes: Gemalto PC Twin Reader (6C5795CE) 01 00 check
0x7f3ef3603700 10:30:07.181 [opensc-tool] reader-pcsc.c:323:refresh_attributes: returning with: 0 (Success)
0x7f3ef3603700 10:30:07.181 [opensc-tool] reader-pcsc.c:402:pcsc_detect_card_presence: returning with: 1
0x7f3ef3603700 10:30:07.181 [opensc-tool] sc.c:264:sc_detect_card_presence: returning with: 1
Using reader with a card: Gemalto PC Twin Reader (6C5795CE) 01 00
0x7f3ef3603700 10:30:07.181 [opensc-tool] sc.c:259:sc_detect_card_presence: called
0x7f3ef3603700 10:30:07.181 [opensc-tool] reader-pcsc.c:397:pcsc_detect_card_presence: called
0x7f3ef3603700 10:30:07.181 [opensc-tool] reader-pcsc.c:303:refresh_attributes: Gemalto PC Twin Reader (6C5795CE) 01 00 check

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About

This is simplified version of script I'm using for doing my backups. I have prepared it only recently because manual invocation of rsync was enough for me. But as the number of separately rsynced folders increased I was forced to introduce some automation and I had to solve some interesting problems along the way.

Persistent SSH connection

Normally a separate SSH connection is established for each rsync invocation. That may become irritating if, for some reason, establishing an SSH connection requires

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About

Helper for adding global Ajax callbacks manualy from console. See https://stackoverflow.com/questions/5202296/add-a-hook-to-all-ajax-requests-on-a-page and https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest#Monitoring_progress

Install

Install as bookmarklet.

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#!/bin/bash
# pkcs15-tool --list-keys
# Private RSA Key [Digital Signature]: ID: 11

TEMPFILE=`mktemp`

# reading PIN into environment variable is NOT safe, DO NOT use on shared computer.
# read is built-in, manual can be shown with
# help read
read -e -s -p "PIN: " PIN

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echo -e "Hello\nHi\nGood morning\nGood afternoon\nGood evening" | dmenu -i -p "Greeting:" -b -l 5 -fn "-*-terminal-*-*-*-*-18-*-*-*-*-*-*-*" -nf green