What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

In 2025, Israeli forces accompanied by bulldozers demolished over 5,000 Palestinian homes in the territories occupied since 1948, a staggering 300% increase compared to previous years, according to Israeli Channel 12.

This sharp escalation reflects a deepening policy of forced displacement and ethnic cleansing of the Palestinian people, stripping thousands of families of their homes and advancing a systemic effort to erase Palestinian presence in these areas.

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This is an unexpected bug in my code. I didn't realize that C#'s nullish operator isn't a null chaining operator.

In JavaScript, this code is correct:

(colorChip?.ranks.Length ?? 0)

In C# it's wrong, since it evaluates to

((colorChip?.ranks).Length ?? 0)

Instead of nulling out the whole chain. Thus here, if `colorChip` is null, I get a null pointer error.

I can't understand why C# uses this approach. I don't see a situation in which it's beneficial.

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るまたんと申します。

関西に住むおっさん(50代)で、社会学を勉強していたことがあります。

反レイシズム、反歴史修正主義の活動をしています。左派、リベラルの立場からの政治的な投稿、ニュースへの反応が多めです。

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みんな、ぞーぺんは試してみたかい?

:zonepane: ぞーぺんは、ZonePaneっていうアプリの愛称で、Twitterに殺された :twitpane: TwitPaneの生まれ変わり(後継アプリ)。

Mastodonを使っている人、
Misskeyを使っている人、
Blueskyを使っている人、
あとFedibirdを使っている人、

それらのサーバを同時に扱えて、機能を活用できて、独自の便利機能も備えた、iOS版とAndroid版がある、便利なサードパーティクライアントだよ。

iOS版
apps.apple.com/jp/app/zonepane

Android版
play.google.com/store/apps/det

※ iOS版のMisskey機能は、もうすぐリリースされるVer4系が必要。

下記のURLから TestFlight アプリをインストールして、もう一度URLを開くと ZonePaneのベータ版 (iOS版) をインストールできます。
testflight.apple.com/join/xu5E

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If you are reading this ( yes, YOU ): my best wishes to you and your loved ones!

May you all have a prosper 2026 in good health, doing what makes you happy, surrounded by the ones you love, collecting moments that will, in time, turn into some of your happier and most cherished memories, always appreciating the time you get to spend with the ones that love you!

My this be YOUR year!

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【健之堂虎乳芝強肺免疫配方特約】香港天文台在今日(1月1日)下午4時20分發出寒冷天氣警告,預測本港未來一兩日早上天氣寒冷。

明日(1月2日)市區最低氣溫約在12度左右,新界會再低兩三度。

天文台提醒,市民應注意保暖,多穿禦寒衣物,並應保持室內空氣流通。如有認識獨居的長者或慢性病患者,請間中致電或探訪他們,看看是否需要提供幫助。

市民使用暖爐或暖風機時,請注意消防安全,遠離易燃物件,及避免電力負荷過重,並切勿於室內生火取暖。

當使用舊式氣體燃料熱水爐時,需確保室內有大量清新空氣。

May be an image of map, radar and text that says '天文台4時20分發出 KN eHT 寒冷天氣警告 市區明日12度新更冷 宝安区 Bao'an 半深圳市 湖区 沙頭角 南山区 Luohu Shenzhen Sha ShaTauKok uKok Kol Nanshan 7 cungShui 10 Tin Shul Wai New rriurles 10 11 Mun 冷 江 COLD まC 10 沙田 Chúng 11 11 11 潘西洲 Chau 電船灣 High 愉景灣 Discovery 11 Tung Chung 大嶼山 Lantau Island 大演 TaiO 九龍 12' 梅高 MuiW Wo 10 an 4an 健之堂 香港島 10 舒 那止咳流感集 6個月大 保脂量物配者 就食得!'
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みんな、ぞーぺんは試してみたかい?

:zonepane: ぞーぺんは、ZonePaneっていうアプリの愛称で、Twitterに殺された :twitpane: TwitPaneの生まれ変わり(後継アプリ)。

Mastodonを使っている人、
Misskeyを使っている人、
Blueskyを使っている人、
あとFedibirdを使っている人、

それらのサーバを同時に扱えて、機能を活用できて、独自の便利機能も備えた、iOS版とAndroid版がある、便利なサードパーティクライアントだよ。

iOS版
apps.apple.com/jp/app/zonepane

Android版
play.google.com/store/apps/det

※ iOS版のMisskey機能は、もうすぐリリースされるVer4系が必要。

下記のURLから TestFlight アプリをインストールして、もう一度URLを開くと ZonePaneのベータ版 (iOS版) をインストールできます。
testflight.apple.com/join/xu5E

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Happy New Year, friends!

New year, new features! Let’s go step by step:

* Some results for city coordinates were not fully accurate, and forecasts were referring to the center of the administrative area rather than the actual city center. This also affected my own city, with a shift of about 30 km. I have revised the coordinate calculation process and, starting from the next update, the reference point will be the center of the target city. I actually discovered this while implementing the last item on this list...

* In addition to wind speed, FediMeteo will now include an arrow showing wind direction. The direction will also be reported as a value in degrees. This feature has been requested several times in the past, and I think the time has come to introduce it.

* New data added: AQI, the Air Quality Index. Using different indices for each local context would have been complicated, and reporting them all would have made the output unnecessarily complex. For this reason, I chose to use the American AQI for all cities, with a visual indicator to quickly understand the situation at a glance. This is consistent with major weather apps and allows for proper comparisons between different cities. PM2.5 and PM10 values are also included.

I hope these new features will be useful and… let’s keep moving forward!

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Happy New Year, friends!

New year, new features! Let’s go step by step:

  • Some results for city coordinates were not fully accurate, and forecasts were referring to the center of the administrative area rather than the actual city center. This also affected my own city, with a shift of about 30 km. I have revised the coordinate calculation process and, starting from the next update, the reference point will be the center of the target city. I actually discovered this while implementing the last item on this list...
  • In addition to wind speed, FediMeteo will now include an arrow showing wind direction. The direction will also be reported as a value in degrees. This feature has been requested several times in the past, and I think the time has come to introduce it.
  • New data added: AQI, the Air Quality Index. Using different indices for each local context would have been complicated, and reporting them all would have made the output unnecessarily complex. For this reason, I chose to use the American AQI for all cities, with a visual indicator to quickly understand the situation at a glance. This is consistent with major weather apps and allows for proper comparisons between different cities. PM2.5 and PM10 values are also included.
I hope these new features will be useful and… let’s keep moving forward!


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Happy New Year, friends!

New year, new features! Let’s go step by step:

  • Some results for city coordinates were not fully accurate, and forecasts were referring to the center of the administrative area rather than the actual city center. This also affected my own city, with a shift of about 30 km. I have revised the coordinate calculation process and, starting from the next update, the reference point will be the center of the target city. I actually discovered this while implementing the last item on this list...
  • In addition to wind speed, FediMeteo will now include an arrow showing wind direction. The direction will also be reported as a value in degrees. This feature has been requested several times in the past, and I think the time has come to introduce it.
  • New data added: AQI, the Air Quality Index. Using different indices for each local context would have been complicated, and reporting them all would have made the output unnecessarily complex. For this reason, I chose to use the American AQI for all cities, with a visual indicator to quickly understand the situation at a glance. This is consistent with major weather apps and allows for proper comparisons between different cities. PM2.5 and PM10 values are also included.
I hope these new features will be useful and… let’s keep moving forward!


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[속보] ‘공천 헌금 수수 의혹’ 강선우 의원 “민주당에서 탈당한다” www.khan.co.kr/article/2026... "앞서 2022년 지방선거 공천 과정에서 강선우 민주당 의원 측이 당시 후보였던 김경 서울시의원에게 1억원을 전달받고 서울시당 공천관리위원회 간사였던 김병기 민주당 의원과 대책을 상의하는 내용이 담긴 녹음 파일이 지난 29일 언론에 보도됐다. 다음날인 30일 정 대표는 강 의원에 대한 윤리감찰을 지시했다."

[속보] ‘공천 헌금 수수 의혹’ 강선우 의원 “민주당...

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