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Some programming languages languish due to obscurity. They lack breathless blog posts exclaiming how much nicer they are to use. Other languages are too ambitious. They aspire to support so many features that the original implementers struggle to get a first version working. For example, the type system in Fortress required constraint solving which took exponential time . Sometimes a usable language struggles simply because it’s too m....
The 9P protocol is the protocol for network file systems used in Plan9. Plan9 is not a widely used operating system, but it’s widely considered more true to the Unix spirit than Unix is, coming from some of the same people who made Unix as well. Overview To get a rough idea of the 9P protocol, consider a system where all the original core Unix syscalls (open, close, read, write, …) are lifted to be remote procedure calls. These can be ....
The 9P protocol is the protocol for network file systems used in Plan9. Plan9 is not a widely used operating system, but it’s widely considered more true to the Unix spirit than Unix is, coming from some of the same people who made Unix as well. Overview To get a rough idea of the 9P protocol, consider a system where all the original core Unix syscalls (open, close, read, write, …) are lifted to be remote procedure calls. These can be ....
The 9P protocol is the protocol for network file systems used in Plan9. Plan9 is not a widely used operating system, but it’s widely considered more true to the Unix spirit than Unix is, coming from some of the same people who made Unix as well. Overview To get a rough idea of the 9P protocol, consider a system where all the original core Unix syscalls (open, close, read, write, …) are lifted to be remote procedure calls. These can be ....
A recent experimental feature for introducing integrity policies landed in Node.js core 11.8.0. This capability, shipped in non LTS version yet, provides integrity checks for a Node.js runtime when modules are being loaded, in order to verify that the modules code haven’t been tampered with.
I learned a lot about myself and the way big companies are organized over the past year or so. I had mentioned a bit in a previous blog post and podcast about “the N + 1 shithead problem” (from Bryan Cantrill’s talk on leadership ). To reiterate, the “N +1 shithead problem” occurs when you are demotivated by seeing people who are a level above you behave poorly, or more bluntly when they behave like a shithead. I know from experience w....
OSS and Stress - blog.gripdev.xyz - 7 years ago - eng
I wanted to take a moment to lay out a journey I didn’t really realize I was on until this morning. Like many big problems it all came out when dealing with a simple little GitHub issue that was raised on a repo I published about 3 years ago. It turns out that some of the stuff in this repo was out of date, and the repo wasn’t useful anymore. Someone nicely pointed this out to be in an issue, and suggested updating the README to warn othe..
For various reasons today it's been interesting to pull out what proportion of signatures on a given Parliamentary petition (i.e. one on https://petition.parliament.uk) came from outside of Great Britain. Petitions are open to British Citizens, including those living overseas, so it's expected that there will be some signatures from other countries, without there being any foul play, this python3 script just helps assess the proportion. ..
For various reasons today it's been interesting to pull out what proportion of signatures on a given Parliamentary petition (i.e. one on https://petition.parliament.uk) came from outside of Great Britain. Petitions are open to British Citizens, including those living overseas, so it's expected that there will be some signatures from other countries, without there being any foul play, this python3 script just helps assess the proportion. ..
1850 words, 7 minutes. …or, how the cave fish lost his eyes. Iranocypris typhlops - 1944, By B.Coad for Bruun & Kaiser. This post follows directly from the last. In that post, we learned that everyone could do something to reduce their attack surface and decrease the likelihood of a breach. I’m going to show you what that winning system looks like when taken to its ultimate logical conclusion. The logic goes something like this:
In the past, the Search Team at SoundCloud had high lead times for making updates to Elasticsearch clusters, either during the implementation of a new feature or simply while fixing a bug. This was because both tasks require us to reindex our catalog from scratch, which means reindexing more than 720 million users, tracks, playlists, and albums. Altogether, this process took up to one week, though there was even one scenario where it almost..
In the past, the Search Team at SoundCloud had high lead times for making updates to Elasticsearch clusters, either during the implementation of a new feature or simply while fixing a bug. This was because both tasks require us to reindex our catalog from scratch, which means reindexing more than 720 million users, tracks, playlists, and albums. Altogether, this process took up to one week, though there was even one scenario where it almost..
bryanleeward asked on the thunderbird discourse: @bryanleeward asked on the thunderbird discourse: PLEASE HELP… this effects many Thunderbird & gmail users: Every few months I get “Security” alerts from Google re my gmail Security Settings, saying: “Turn off less secure access.” IF I do that, then I can’t boot Thunderbird! I’ve had same problem with Thunderbird-gmail using Debian, Trisquel, and Ubuntu. Yet ironically, w....
bryanleeward asked on the thunderbird discourse: @bryanleeward asked on the thunderbird discourse: PLEASE HELP… this effects many Thunderbird & gmail users: Every few months I get “Security” alerts from Google re my gmail Security Settings, saying: “Turn off less secure access.” IF I do that, then I can’t boot Thunderbird! I’ve had same problem with Thunderbird-gmail using Debian, Trisquel, and Ubuntu. Yet ironically, w....
Serverless architecture has fast become a hot topic in tech, thanks partly to its promise of drastically reducing your time-to-market. Nonetheless, many IT leaders remain cautious about serverless because of their fears over vendor lock-in. In this article, I’ll explore the realities of what lock-in means in the context of serverless — and propose strategies to minimize your risks.
bryanleeward asked on the thunderbird discourse: @bryanleeward asked on the thunderbird discourse: PLEASE HELP… this effects many Thunderbird & gmail users: Every few months I get “Security” alerts from Google re my gmail Security Settings, saying: “Turn off less secure access.” IF I do that, then I can’t boot Thunderbird! I’ve had same problem with Thunderbird-gmail using Debian, Trisquel, and Ubuntu. Yet ironically, w....
With our integrations and plugins for leading CI/CD platforms, Snyk enables a further, more DevOps-focused security gate through the pipeline.
缓存模块 我在分析 Glide 源码前将 Glide 的项目 clone 到了本地，阅读时添加了很多注释以及自己的理解等等，现在已经推到了 Github 上，有兴趣的同学可以看看： https://github.com/0xZhangKe/Glide-note 缓存模块涉及到的东西比较多，比较重要，所以需要单独用一章节来讲。 关于缓存的获取、数据加载相关的逻辑在 Engine#load 方法中。 先来看看缓存流程，流程如下图： 全部的缓存流程大致如上图所示。 Glide 实例化时会实例化三个缓存相关的类以及一个计算缓存大小的类： //根据当前机器参数计算需要设置的缓存大小 MemorySizeCalculator calculator = new MemorySizeCalculator ( context ); //创建 Bitmap 池 if ( bitmapPool == null....
项目编译 项目基于最新版 Glide 4.9.0 源码 分析，通过如下方式获取并编译代码： git clone https://github.com/bumptech/glide.git cd glide ./gradlew jar 我在分析 Glide 源码前将 Glide 的项目 clone 到了本地，阅读时添加了很多注释以及自己的理解等等，现在已经推到了 Github 上，有兴趣的同学可以看看： https://github.com/0xZhangKe/Glide-note 总览 有一点需要说明的是，Glide 源码很复杂， 涉及到的东西也很多，这里不能面面俱到，只是把我认为重要的东西介绍了一下，可能还有一些疏漏。 首先我将 Glide 分成了几个模块，让大家有个整体的印象，自顶向下的分析源码，从而实现降维打击。 按照逻辑功能划分，可以把 Glide 框架大概的分成如下几个部分： Glide 大体上可以分为如上几个模块。 下面通过....
Sometimes you need to extract something from Firefox without actually running it (as an example, I sometimes need to access stuff in firefox on a remote machine, whilst I can run firefox over a SSH tunnel with --no-remote, there's currently no way to prevent Firefox from restoring whatever tabs were previously open, other than turning it off in about:config, which is crap for day to day usage). Firefox currently uses files of type mozl..
Sometimes you need to extract something from Firefox without actually running it (as an example, I sometimes need to access stuff in firefox on a remote machine, whilst I can run firefox over a SSH tunnel with --no-remote, there's currently no way to prevent Firefox from restoring whatever tabs were previously open, other than turning it off in about:config, which is crap for day to day usage). Firefox currently uses files of type mozl..
Placeholder Horse Races - rjp.is - 7 years ago - eng
As the mail app developers don’t want to add a horizontal reading pane to the app I have been using the custom css app 5 in order to do so, I also wrote a quick user script to automatically expand all my folders as that isn't an option in the mail app. Jump to the Auto Expand script Horizontal reading pane in mail app Note: Tested in Firefox and Nextcloud 15 Usage: Know what you are doing. Install the custom css app. Navigat....
As the mail app developers don’t want to add a horizontal reading pane to the app I have been using the custom css app 5 in order to do so, I also wrote a quick user script to automatically expand all my folders as that isn't an option in the mail app. Jump to the Auto Expand script Horizontal reading pane in mail app Note: Tested in Firefox and Nextcloud 15 Usage: Know what you are doing. Install the custom css app. Navigat....
As the mail app developers don’t want to add a horizontal reading pane to the app I have been using the custom css app 5 in order to do so, I also wrote a quick user script to automatically expand all my folders as that isn't an option in the mail app. Jump to the Auto Expand script Horizontal reading pane in mail app Note: Tested in Firefox and Nextcloud 15 Usage: Know what you are doing. Install the custom css app. Navigat....
As the mail app developers don’t want to add a horizontal reading pane to the app I have been using the custom css app 5 in order to do so, I also wrote a quick user script to automatically expand all my folders as that isn't an option in the mail app. Jump to the Auto Expand script Horizontal reading pane in mail app Note: Tested in Firefox and Nextcloud 15 Usage: Know what you are doing. Install the custom css app. Navigat....
As the mail app developers don’t want to add a horizontal reading pane to the app I have been using the custom css app 5 in order to do so, I also wrote a quick user script to automatically expand all my folders as that isn't an option in the mail app. Jump to the Auto Expand script Horizontal reading pane in mail app Note: Tested in Firefox and Nextcloud 15 Usage: Know what you are doing. Install the custom css app. Navigat....
Welcome to yet another edition of Hui Jing doing things that have no practical use but do it anyway because why the hell not? In local parlance, we call this…
Happy Spring Equinox everyone! It’s the twentieth, which means it’s time for another blog stats report.
I care quite a bit about self-optimization and longevity and this enthusiasm has developed more and more over the years (although I’m very much an interested amateur here, not an expert by any definition of the word). Over the years I’ve picked up some new habits, supplements, practices, ideas, etc related to this and now I sit here and realize that it’s quite a lot of stuff. I think I might try to capture the ‘state’ of what I’m doing in t..
Highlights from BSides Canberra 2019 including talks on JavaScript malware deobfuscation, Linux toolkits and ransomware on a coffee machine
Highlights from BSides Canberra 2019 including talks on JavaScript malware deobfuscation, Linux toolkits and ransomware on a coffee machine
Highlights from BSides Canberra 2019 including talks on JavaScript malware deobfuscation, Linux toolkits and ransomware on a coffee machine
Proper state handling in React will make your components simple and maintainable. Poor choices will give you lots of headaches in the long-term. There are plenty of options for managing state in a React app. But there’s very little guidance about which one you should use in any situation. Let’s fix that. The solution you pick to manage state should fit they way you want to use the items you hold in state. Your choice should also make....
It's surprising that the idea of an emergency service is even viable, considering how many people are doing things at any given time
It's surprising that the idea of an emergency service is even viable, considering how many people are doing things at any given time
It's surprising that the idea of an emergency service is even viable, considering how many people are doing things at any given time
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