| 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)? |
| 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); |
| 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); |
| 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() { |
| 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 |
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.
Normally a separate SSH connection is established for each rsync invocation. That may become irritating if, for some reason, establishing an SSH connection requires
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 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 |