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Tom Anderson tomwhoiscontrary

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tomwhoiscontrary / tabs.html
Created Nov 17, 2022
Pure CSS tabs
View tabs.html
<html>
<head>
<style>
.tabs {
/* make this a horizontal flexbox, and make it capable of wrapping */
display: flex;
flex-wrap: wrap;
}
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tomwhoiscontrary / journal.txt
Last active Jul 10, 2022
Extract from my system journal for https://ask.fedoraproject.org/t/hdmi-monitor-does-not-recover-after-exiting-screensaver/24303
View journal.txt
2022-07-10T20:59:32+0100 rife systemd[2415]: Started dbus-:1.2-org.cinnamon.ScreenSaver@3.service.
░░ Subject: A start job for unit UNIT has finished successfully
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░
░░ A start job for unit UNIT has finished successfully.
░░
░░ The job identifier is 617.
2022-07-10T20:59:32+0100 rife cinnamon-screensaver[66385]: CsNotificationWatcher: Could not add match rule to bus - GDBus.Error:org.freedesktop.DBus.Error.MatchRuleInvalid: Invalid match rule
2022-07-10T20:59:32+0100 rife /usr/libexec/gdm-x-session[2529]: cinnamon-session[2529]: WARNING: t+169917.09334s: Detected that screensaver has appeared on the bus
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tomwhoiscontrary / file.dat
Created Jun 20, 2022
GNUplot example for https://stackoverflow.com/a/52210067/116639
View file.dat
1 0.000000
2 0.301030
3 0.477121
4 0.602060
5 0.698970
6 0.778151
7 0.845098
8 0.903090
9 0.954243
10 1.000000
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tomwhoiscontrary / index.txt
Created Jun 12, 2022
Upgrading from Fedora 34 to Fedora 36
View index.txt
Following https://docs.fedoraproject.org/en-US/quick-docs/dnf-system-upgrade/
# main upgrade
dnf upgrade --refresh
dnf install dnf-plugin-system-upgrade
dnf system-upgrade download --releasever=36
dnf system-upgrade reboot
# refresh all locally modified config files
dnf install rpmconf
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tomwhoiscontrary / HasFeature.java
Created Apr 26, 2022
Back on my bullshit once more. The minimal, getter-only version of lambda-property-matcher.
View HasFeature.java
import org.hamcrest.FeatureMatcher;
import org.hamcrest.Matcher;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.io.UncheckedIOException;
import java.lang.invoke.SerializedLambda;
import java.util.Objects;
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tomwhoiscontrary / DoesWhatTheJavadocSaysTest.java
Created Sep 1, 2021
Parsing a sequence of JSON values that are not enclosed in a JSON array - https://github.com/leadpony/joy/issues/14
View DoesWhatTheJavadocSaysTest.java
import jakarta.json.Json;
import jakarta.json.JsonValue;
import jakarta.json.stream.JsonParser;
import org.junit.jupiter.api.Test;
import java.io.StringReader;
public class DoesWhatTheJavadocSaysTest {
@Test
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tomwhoiscontrary / WhenDoPeriodsStart.java
Created Sep 1, 2021
When do periods of the day start in Java 17? https://twitter.com/tomwhoscontrary/status/1433090964898340869
View WhenDoPeriodsStart.java
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
public class WhenDoPeriodsStart {
public static void main(String[] args) {
Locale locale = Locale.forLanguageTag(args[0]);
System.out.println("vendor = " + System.getProperty("java.vm.vendor"));
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tomwhoiscontrary / journal.2021-06-26T19:20:27.868675+0100.log
Created Jun 26, 2021
Machine never recovers from suspend - those logs in full
View journal.2021-06-26T19:20:27.868675+0100.log
-- Journal begins at Tue 2020-07-07 21:08:36 BST, ends at Sat 2021-06-26 19:32:45 BST. --
2021-06-26T19:20:27.868675+0100 rife kernel: microcode: microcode updated early to revision 0xea, date = 2021-01-25
2021-06-26T19:20:27.868703+0100 rife kernel: Linux version 5.12.12-300.fc34.x86_64 (mockbuild@bkernel01.iad2.fedoraproject.org) (gcc (GCC) 11.1.1 20210531 (Red Hat 11.1.1-3), GNU ld version 2.35.1-41.fc34) #1 SMP Fri Jun 18 14:30:51 UTC 2021
2021-06-26T19:20:27.868714+0100 rife kernel: Command line: BOOT_IMAGE=(hd0,gpt2)/vmlinuz-5.12.12-300.fc34.x86_64 root=/dev/mapper/fedora_localhost--live-root ro resume=/dev/mapper/fedora_localhost--live-swap rd.lvm.lv=fedora_localhost-live/root rd.luks.uuid=luks-53565114-c06e-4499-9365-4302e0eb1b2c rd.lvm.lv=fedora_localhost-live/swap rhgb quiet rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1
2021-06-26T19:20:27.868721+0100 rife kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
2021-06-26T19:20:27.868727+0100 rif
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tomwhoiscontrary / colour-scale.html
Created May 12, 2021
Demo of (ab)using CSS animations to apply a (non-animated!) colour scale
View colour-scale.html
<!DOCTYPE html>
<html>
<head>
<style>
@keyframes colour-scale {
0% {
background-color: red;
}
50% {
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tomwhoiscontrary / Class1.java
Last active Feb 16, 2021
Some code in need of good names
View Class1.java
public class Class1 {
public static <Type1, Type2 extends Collection<Type1>> Type2 method(Supplier<Type2> parameter1, Collection<Type1> parameter2, Collection<Type1> parameter3) {
Type2 variable = Stream.concat(parameter2.stream()
.filter(Predicate.not(parameter3::contains)),
parameter3.stream()
.filter(Predicate.not(parameter2::contains)))
.collect(Collectors.toCollection(parameter1));
return variable;
}