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Go map 讀寫性能優化 - 分片 map
基本在所有的編程語言中,都有 map 這種數據結構,Go 語言也不例外。我們知道 Go 是一門對併發支持得比較好的語言,但是 map 並不支持併發讀寫。比如,下面這種寫法是錯誤的:var m = make(map[int]int)var wg sync.WaitGroupwg.Add(2)// 啓動兩個協程序同時寫入 mapgo func() {    for i := 0; i < 100; i ⌘ Read more

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Ignite Realtime Blog: Smack 4.5.0-alpha2 released
We are happy to announce the release of the second alpha release of Smack’s upcoming 4.5 version.

This version fixes a nasty bug in Smack’s reactor, includes support for XMPP over WebSocket connections and much more. Even though Smack has a good test coverage, due its comprehensive unit test suite and integration test framework, we kindly ask you to test pre-releases and report feedback.

As always, [this Smack release is available via Maven C … ⌘ Read more

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It is a pleasure to work with the help system of Borland’s Turbo C++ 3.0 on DOS. The descriptions are clear and concise. There are short and simple examples. Pretty much every help page is cross-refenced and those links can be clicked.

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2023 年 Go 併發庫的變化
2023 年來, Go 的併發庫又有了一些變化,這篇文章是對這些變化的綜述。小細節的變化,比如 typo、文檔變化等無關大局的變化就不介紹了。sync.Once———Go 1.21.0 中增加了和 Once 相關的三個函數,便於 Once 的使用。func OnceFunc(f func()) func()func OnceValueT any T) func() Tfunc Once ⌘ Read more

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Go 淺析主流日誌庫:從設計層學習如何集成日誌輪轉與切割功能
前言在現有的日誌庫中,包括 go 1.21.0 引入的 slog 日誌庫,它們通常都支持對日誌文件進行輪轉與切割,只不過這些功能並不直接被內置,而是需要我們主動配置來啓用。本文將探討幾個熱門的日誌庫如 logrus、zap 和官網的 slog,我將分析這些庫的的關鍵設計元素,探討它們是如何支持日誌輪轉與切割功能的配置。 淺析 logrus、zap 和 slog 的設計在對 logrus、zap 和 ⌘ Read more

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Yesterday, I used a rental car to avoid problems with Deutsche Bahn. Today, trying to do another trip with DB, the train is 50 minutes delayed. Karma? 🙃 Or it’s the weather again, DB’s infrastructure isn’t working well at temperatures below 0 °C. 🤷‍♂️ ⌘ Read more

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Ignite Realtime Blog: External Service Discovery plugin 1.0.2 released!
Version 1.0.2 of the External Service Discovery plugin has been released!

This Openfire plugin allows your users to use external STUN and TURN services, optionally making use of temporary credentials for those services. It often is a prerequisite for being able to set up audio or video calls with Openfire.

This version brings better compatibility with TURN services other than those implemented by CoTur … ⌘ Read more

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Ignite Realtime Blog: Openfire 4.8.0 beta release!
It is exciting to be able to announce the immediate availability of the beta release of Openfire 4.8.0!

It has been 667 days ago since we released the 4.7.0. That was the last time that a release was made from the same source code branch. And, that shows: we have closed almost 180 issues against this release! I’ll reserve the details for a blogpost on the 4.8.0 (non-beta) release, but some of the highlights are:

  • We’ve dropped support for Jav … ⌘ Read more

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Isode: M-Link 19.4 Limited Release
M-Link 19.4 provides a very significant update and in particular provides the M-Link User Server product. It also provides M-Link MU Server, M-Link MU Gateway and M-Link Edge.   It does not provide M-Link IRC Gateway, which remains M-Link 17.0 only.

M-Link 19.4 Limited Release is provided ahead of the full M-Link 19.4 release. M-Link 19.4 Limited Release is fully supported by Isode for production deployment. There is one significant difference with a standard Isod … ⌘ Read more

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Security Advisory: High Severity Curl Vulnerability
The maintainers of curl, the popular command-line tool and library for transferring data with URLs, will release curl 8.4.0 on October 11, 2023. This version will include a fix for two common vulnerabilities and exposures (CVEs), one of which the curl maintainers rate as “HIGH” severity and described as “probably the worst curl security flaw in a long time.” In the meantime, you can prepare ahead of exploitability details being released … ⌘ Read more

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iOS 17.0.3 Released to Fix Overheating iPhone 15 Pro Problem
Apple has released iOS 17.0.3 for iPhone to address an issue where many iPhone 15 Pro users were experiencing overheating iPhones and slow performance sometimes along with rapid battery drain. The update is recommended for all iPhone users to install, even though apparently the overheating issue is limited to iPhone 15 Pro devices. While a … [Read More](https://osxdaily.com/2023/10/04/ios-17-0-3-released-to-fix-o … ⌘ Read more

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How to Remove iOS 17 Beta From Your iPhone & iPad
If you were part of the iOS 17 beta test or iPadOS 17 beta testing programs, and now you’re on the latest stable build (iOS 17.0.2), you may wish to remove the beta updates from your iPhone or iPad, so that you no longer receive beta updates and stay on the stable builds of system … Read MoreRead more

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MacOS Sonoma 14.1 Beta Available to Download
Apple has issued the first beta version of MacOS Sonoma 14.1 beta to users enrolled in the beta testing program for Apple system software. The beta update arrives just a day after the final release and availability of MacOS Sonoma 14.0 became available to download and install for all Mac users. Separately, Apple has released … Read MoreRead more

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iOS 17.1 Beta & iPadOS 17.1 Beta Available Now
Apple has released the first beta versions of iOS 17.1 and iPadOS 17.1 for iPhone and iPad users enrolled in their respective beta testing programs. The beta builds arrive a day after iOS 17.0.2 and iPadOS 17.0.2 were released to the broader public for all users. Apple is working to bring additional features to iOS … Read MoreRead more

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Prosodical Thoughts: Prosody 0.12.4 released
We are pleased to announce a new minor release from our stable branch.

We’re relieved to announce this overdue maintenance release containing a
number of bug fixes and also some improvements from the last few months.

Especially the prosodyctl check tool which gained some new diagnostic
checks as well as handling of configuration option types the same way
Prosody itself does.

A summary of changes in this release:

Minor changes
  • core.certmanager: Update Mozilla TLS … ⌘ Read more

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Profanity: Profanity 0.14.0
Apologies for the late blog post.
We have good news though! Two weeks ago we released Profanity 0.14.0!

13 people contributed to this release: Daniel Santos, @DebXWoody, @H3rnand3zzz, @ike08, @MarcoPolo-PasTonMolo, @mdosch, @pasis, @paulfertser, @shahab-vahedi, @sjaeckel, @techmetx11, @thexhr and @jubalh.

Also a big thanks to our sponsors: @mdosch, @LeSpocky, @jamesponddotco and one anonymous sponsor!

We introduced a new /privacy command which should make it easier to find all pri … ⌘ Read more

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Got contacted on instagram from someone who wanted to buy some of my images (NFT), I have been putting the images I liked the most into a collection (and add new ones when I take Images I think is good enough) into the collection. Just letting it sit there to see if I can make a sale one day.
Not sure yet if the person is serious or not - but If I could make a sale - then I’m all for it.
It’s much easier to put things up for sale as NFT then other ways.
I sell them as a 1 item thing. And put a price that I think is fair (Fixed price on all, but based on the amount of time I actually spend getting to all these locations).
One thing I have not liked about NFT is all the crap art stuff that there that takes 0 effort, but I do at least spend time picking out where we go. And each image has a memory attached to it, a trip with my family to that exact place..

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Ignite Realtime Blog: Jabber Browsing Openfire Plugin 1.0.1 released
The Ignite Realtime community is happy to announce a new release of the Jabber Browsing plugin for Openfire.

This is a plugin for the Openfire Real-time Communications server. It provides an implementation for service discovery using the jabber:iq:browse namespace, as specified in XEP-0011: Jabber Browsing. Note that this feature is considered obsolete! The plug … ⌘ Read more

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Ignite Realtime Blog: Agent Information plugin for Openfire release 1.0.1
The Ignite Realtime community is happy to announce a new release of the Agent Information plugin for Openfire.

This plugin implements the XEP-0094 ‘Agent Information’ specification for service discovery using the jabber:iq:agents namespace. Note that this feature is considered obsolete! The plugin should only be used by people that seek backwards compatibility with very old and very specific IM … ⌘ Read more

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Ignite Realtime Blog: JmxWeb plugin for Openfire 0.9.1 release
The Ignite Realtime community is happy to announce a new release of the JmxWeb plugin for Openfire.

This plugin provides a web based platform for managing and monitoring Openfire via JMX

This release is a maintenance release. It adds translations and fixes one bug. More details are available in the changelog.

Your instance of Openf … ⌘ Read more

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Ignite Realtime Blog: Push Notification Openfire plugin 0.9.2 released
The Ignite Realtime community is happy to announce a new release of the Push Notification plugin for Openfire.

This plugin enables clients to register for push notifications.

This release is a maintenance release. It adds translations and a configuration page. More details are available in the changelog

Yo … ⌘ Read more

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Ignite Realtime Blog: Search Openfire plugin 0.7.4 release!
The Ignite Realtime community is happy to announce a new release of the Search plugin for Openfire.

This plugin adds features to Openfire that makes it easier for users to find each-other.

This release is a maintenance release. It adds translations. More details are available in the changelog

Your instance of Openfire should automatically … ⌘ Read more

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Ignite Realtime Blog: Candy plugin for Openfire 2.2.0 Release 4 now available!
The Ignite Realtime community is happy to announce a new release of the Openfire plugin for Candy.

Candy is a third-party chat client. The Openfire plugin makes deploying it a one-click affair!

This release is a maintenance release. It adds translations and updates dependencies on third-party libraries. More details are available in the [changelog](ht … ⌘ Read more

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Isode: Icon-PEP 2.0 – New Capabilities
Icon-PEP is used to enable the use of IP applications over HF networks. Using STANAG 5066 Link Layer as an interface.

Image

Listed below are the changes brought in with 2.0.

Web Management

A web interface is provided which includes:

  • Full configuration of Icon-PEP
  • TLS (HTTPS) access and configuration including bootstrap with self signed certificate and ide … ⌘ Read more

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Isode: Icon-Topo 2.0 – New Capabilities
Icon-Topo supports Mobile Unit (MU) mobility between HF Networks, enabling application communications over a wider area than can be achieved with a single ground station. It provides a way to schedule the movement from one HF network to another, ensuring that as an MU goes about its deployment the communications network is kept up and running.

Image

The below … ⌘ Read more

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Erlang Solutions: IoT Complexity Made Simple with the Versatility of Erlang and Elixir

Part A: Current Context and Challenges

The world is on the brink of a transformative industrial revolution known as Industry 4.0. This fourth industrial revolution is revolutionising our lives, work, and interactions on an unprecedented scale. The convergence of technology, Artificial Intelligence (AI), and the Internet of Things (IoT) has enabled highly sophisticated and interconnected systems. The … ⌘ Read more

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Isode: M-Link 19.4 Limited Release
M-Link 19.4 provides a very significant update and in particular provides the M-Link User Server product. It also provides M-Link MU Server, M-Link MU Gateway and M-Link Edge.   It does not provide M-Link IRC Gateway, which remains M-Link 17.0 only.

M-Link 19.4 Limited Release is provided ahead of the full M-Link 19.4 release. M-Link 19.4 Limited Release is fully supported by Isode for production deployment. There is one significant difference with a standard Isod … ⌘ Read more

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Gajim: Gajim 1.8.0
Gajim 1.8.0 comes with integrated OMEMO encryption! Integrating the OMEMO plugin brings tighter integration and better user experience. We also rearranged the chat menu and added some quick buttons for convenience. Both Gajim’s message search and conversation view received some important changes and fixes. Thank you for all your contributions!

What’s New

In the past, we moved the most popular plugins into Gajim’s core: image preview, plugin installer, HTTP file upload, syntax highligh … ⌘ Read more

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