信息世界 //www.meililyg.com en - us 太阳,2022年12月18日21:32:54 -0800 太阳,2022年12月18日21:32:54 -0800 https://idge.staticworld.net/ifw/infoworld510x510.png 信息世界 //www.meililyg.com 143 143 SvelteKit 1.0为Svelte带来了一个完整的堆栈 星期五,2022年12月16日09:00:00 -0800 paul_krill@idg.com

SvelteKit, a framework for building full-stack web applications using the Svelte UI component framework, has reached 1.0 status.

Unveiled December 14, the milestone release makes SvelteKit the recommended way to build all Svelte applications, the Svelte development team said. Svelte team members said Svelte makes it easier to build user interfaces than working with the DOM directly. Svelte’s approach differs from frameworks such as Vue and React in that work usually done in the browser is shifted to a compile step on the server when building an app.

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低代码DevOps中心旨在简化Salesforce上的应用程序开发 2022年12月16日星期五07:14:00 -0800

At a time when economic and competitive pressures are pushing enterprises to implement faster go-to-market strategies, Salesforce has released a low-code product that it says will help enterprise developers ease the change-and-release management process while writing applications on its platform.

Dubbed DevOps Center, the new product—first announced at the company's TrailheaDX conference in June 2020—is designed to help enterprise teams collaborate while building, testing and deploying applications or automations within Salesforce, said Karen Fidelak, senior director of product management at Salesforce, in a blog post. It's now been released for general availability.

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追求云可持续性的最佳方式 2022年12月16日星期五03:00:00 -0800

Sustainability and cloud computing go hand in hand. Cloud computing’s ability to share resources naturally leads to more efficient use of those resources. This sharing model gives cloud computing its ability to provide sustainability in the wide, but we must optimize the use of those assets to provide sustainability in the narrow.

The goal is to optimize cloud computing costs using finops and the tools that drive these processes. At the same time, these tools also help maximize the sustainability of our cloud deployments. Indeed, moving to public cloud platforms is a half measure toward increasing sustainability. You’ll find the best carbon benefits by optimizing cloud resources, which simultaneously means optimizing for cost efficiency. They are tightly coupled, for the most part.

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如何在ASP中使用端点过滤器。NET Core 7 12月15日星期四03:00:00 -0800 joydipkanjilal@yahoo.com

With ASP.NET Core 7, we can take advantage of the newly introduced IEndpointFilter interface to create filters and attach them to the endpoints in our minimal APIs. These filters can be used to modify request or response objects or to short-circuit the request processing pipeline.

This article discusses how we can work with endpoint filters when building minimal API applications in ASP.NET Core 7. To use the code examples provided in this article, you should have Visual Studio 2022 installed in your system. If you don’t already have a copy, you can download Visual Studio 2022 here.

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使用哨兵,Python和Django进行错误跟踪 12月15日星期四03:00:00 -0800

Not long ago, I showed you how to add tracing to a JavaScript application with Sentry. In this article, we’ll walk through using Sentry on the back end to track errors in a Python-Django application stack. 

Install and set up Python and Django

The first step is to create a Django application. We’re going to use Python 3, so start by installing Python 3 on your system. We’ll also need pip3. On Debian, I install them both by entering the command, sudo apt-get install python3 python3-pip. Once you have Python and pip installed you should get responses from the -V switch, as shown in Listing 1.

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ARMA和InfluxDB时间序列预测 12月15日星期四03:00:00 -0800 阿奈Dotis-Georgiou

An ARMA or autoregressive moving average model is a forecasting model that predicts future values based on past values. Forecasting is a critical task for several business objectives, such as predictive analytics, predictive maintenance, product planning, budgeting, etc. A big advantage of ARMA models is that they are relatively simple. They only require a small dataset to make a prediction, they are highly accurate for short forecasts, and they work on data without a trend.

In this tutorial, we’ll learn how to use the Python statsmodels package to forecast data using an ARMA model and InfluxDB, the open source time series database. The tutorial will outline how to use the InfluxDB Python client library to query data from InfluxDB and convert the data to a Pandas DataFrame to make working with the time series data easier. Then we’ll make our forecast.

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//www.meililyg.com/article/3681894/time-series-forecasting-with-arma-and-influxdb.html#tk.rss_all //www.meililyg.com/article/3681894/time-series-forecasting-with-arma-and-influxdb.html#tk.rss_all ARMA和InfluxDB时间序列预测 机器学习 预测分析 数据库 分析
GPT:高科技的客厅把戏还是第一个真正的日常使用的人工智能? 12月15日星期四03:00:00 -0800 OpenAI基于GPT-3内容数据库的测试版ChatGPT服务,其类似人类的对话让人们惊叹不已,但这项技术还没有看起来那么深入。https://www.computerworld.com/article/3683209/gpt-high-tech-parlor-trick-or-first-real-ai-for-everyday-use.html#tk.rss_all https://www.computerworld.com/article/3683209/gpt-high-tech-parlor-trick-or-first-real-ai-for-everyday-use.html#tk.rss_all GPT:高科技的客厅把戏还是第一个真正的日常使用的人工智能? 人工智能 自然语言处理 新兴技术 GraalVM编译器可能会加入Java 2022年12月14日星期三16:00:00 -0800 paul_krill@idg.com

Plans are moving forward to more closely coordinate the development of standard Java with that of GraalVM, a high-performance JDK (Java Development Kit) developed by Oracle.

A mainline release of Java could get GraalVM Java technology for incubation, under an Oracle-led OpenJDK proposal dubbed Project Galahad. Project Galahad calls for an initial focus on contributing the latest version of the GraalVM JIT (just-in-time) compiler and integrating it as an alternative to the existing JIT compiler of Java’s HotSpot VM. Subsequent steps will bring GraalVM’s AOT (ahead-of-time) compilation to make the new JIT compiler available instantly on JVM start and avoid interference with application heap usage and execution profiling. 

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低代码开发技术市场预计到2026年将达到445亿美元 2022年12月14日星期三09:49:00 -0800 avenkat@idg.com

As organizations race their competitors to deliver new applications and optimize business processes, Gartner projects sales for low-code development technologies to grow by 19% over the next four years to reach $44.5 billion by 2026.

Democratization, hyperautomation, and composable systems and business initiatives will be the key drivers accelerating the adoption of low-code technologies, according to Gartner. The concept of composable business strategy requires  organizations to break down services and processes into microservices or packaged business capabilities, and putting together new offerings by merging these building blocks.

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3个用于紧凑容器管理的小型Kubernetes分布 2022年12月14日星期三03:00:00 -0800

"Small is beautiful," as E. F. Schumacher once said. Kubernetes, a powerful but sprawling container orchestration platform, might benefit from a more stripped-down approach. Not everyone needs the full set of tools and features found in the default Kubernetes distribution.

You may not have the time or technical know-how to customize Kubernetes for more minimalist applications, but there's a good chance someone else has done it for you. This article looks at three Kubernetes distributions that take Kubernetes back to the basics.

Minikube

Minikube, an official repackaging of Kubernetes, provides a local instance of Kubernetes small enough to install on a developer's notebook. The minimum requirements are 2GB of free memory, 2 CPUs, 20GB of storage, and a container or virtual machine (VM) manager such as Docker, Hyper-V, or Parallels. Note that for Mac users there is as yet no M1 build, only x86-64.

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PHP 8.2引入了只读类 2022年12月13日星期二13:00:00 -0800 paul_krill@idg.com

A major update to the stalwart scripting language for web development, PHP 8.2 has arrived with performance, syntax, and type safety improvements along with new capabilities such as read-only classes and stand-alone types.

PHP 8.2 was published December 8 and can be accessed from php.net.

Support for read-only classes in PHP 8.2 means that a class marked with the readonly modifier will mark all instance properties of the class as read-only and prevent the creation of dynamic properties. Marking readonly classes with the AllowDynamicProperties attribute triggers a compile error.

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爆炸式的多云管理市场 2022年12月13日星期二03:00:00 -0800 //www.meililyg.com/article/3682894/the-exploding-multicloud-management-market.html#tk.rss_all //www.meililyg.com/article/3682894/the-exploding-multicloud-management-market.html#tk.rss_all 爆炸式的多云管理市场 云计算 Multicloud 云管理 IT策略 用R搜索你自己的Mastodon文章全文 2022年12月13日星期二03:00:00 -0800

Whether you've fully migrated from Twitter to Mastodon, are just trying out the "fediverse," or have been a longtime Mastodon user, you may miss being able to search through the full text of "toots" (also known as posts). In Mastodon, hashtags are searchable but other, non-hashtag text is not. The unavailability of full-text search lets users control how much of their content is easily discoverable by strangers. But what if you want to be able to search your own posts?

Some Mastodon instances allow users to do full-text searches of their own toots but others don't, depending on the admin. Fortunately, it's easy to full-text search your own Mastodon posts, thanks to R and the rtoot package developed by David Schoch. That's what this article is about.

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使用XGBoost和InfluxDB进行时间序列预测 2022年12月13日星期二03:00:00 -0800 阿奈Dotis-Georgiou

XGBoost is an open source machine learning library that implements optimized distributed gradient boosting algorithms. XGBoost uses parallel processing for fast performance, handles missing values well, performs well on small datasets, and prevents overfitting. All of these advantages make XGBoost a popular solution for regression problems such as forecasting.

Forecasting is a critical task for all kinds of business objectives, such as predictive analytics, predictive maintenance, product planning, budgeting, etc. Many forecasting or prediction problems involve time series data. That makes XGBoost an excellent companion for InfluxDB, the open source time series database. 

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Golang预览配置文件引导的优化 2022年12月12日星期一15:00:00 -0800 paul_krill@idg.com

Go 1.20, a planned upgrade to the Google-developed open source language known for its simplicity, concurrency, and functional programming features, has just reached a release candidate stage. The new version previews profile-guided optimization (PGO) for the compiler.

Announced December 7, the Go 1.20 release candidate can be downloaded from go.dev. The production release of Go 1.20 is expected in February 2023.

With Go 1.20, preview support for PGO enables the compiler toolchain to perform application-specific and workload-specific optimizations based on runtime profile data. The compiler currently supports pprof CPU profiles, which can be collected through the runtime/pprof or net/http/pprof packages. Version 1.20 uses PGO to more-aggressively inline functions at hot call sites. Benchmarks for a representative set of Go programs show enabling PGO inlining optimization improves performance about 3% to 4%. More PGO optimizations are planned for future releases.

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开源安全在2022年进行了反击 2022年12月12日星期一03:00:00 -0800

Early December marked the one-year anniversary of the Log4j security meltdown. Ever since, the software world has been on a dead sprint to ensure it would never happen again. We’re finally seeing some traction as the missing links in software supply chain security begin to get filled in.

Log4j was a crippling event for many organizations that struggled to understand whether and where they were even running the popular open source logging utility in their environments. But Log4j also forced the industry come to grips with the transitive nature of software supply chain exploits and just how easy it is for exploits to leap across software dependencies. It was not a fun way for security teams to end 2021.

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当你的devops团队被裁减时该怎么办 2022年12月12日星期一03:00:00 -0800

Sadly, there’s a chance that your organization might have to downsize because of an economic downturn or other financial conditions—if it hasn’t happened already. This time, the economy is impacting technology companies and departments. More than 900 tech companies had layoffs in 2022, affecting over 145,000 professionals, according to one source.

If you are an agile delivery manager, data science team lead, or manager of an IT ops function, you need a response plan in case your teams are impacted or might be in the near future.

A recent Comic Agilé comic strip depicts our fears of being held accountable for the same deliverables and timeline after a downsizing or budget cut. That’s one of several concerns devops team members feel after layoffs. Others worry about service-level expectations and skill coverage.

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全栈工程是它的三分之一 2022年12月12日星期一03:00:00 -0800

It’s a lovely fantasy. One developer to do it all—the magical fullstackicorn.

Hiring for your startup or tech-forward company? One full-stack engineer will give you 2x or more of what any regular developer could.

Starting or advancing your career as a software engineer? Full-stack engineering puts you on the fast track to senior positions twice as fast.

Full-stack engineering is an attractive legend, but in many cases it’s a misguided compromise that can produce a lower-quality product in exchange for making one individual more stressed.

If you’re a developer just getting started in your career, be wary of any job posting looking for a full-stack engineer. You’ll be expected to do two jobs for one salary, each in half the time.

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Visual Studio Code 1.74增强了远程开发 2022年12月9日星期五14:47:00 -0800 paul_krill@idg.com

With newly released Visual Studio Code 1.74, the Microsoft-developed code editor introduces a remote tunneling capability that allows developers to securely connect to their VS Code machine from any device anywhere. Remote tunnels is a preview feature.

VS Code 1.74, also identified as the November 2022 release, was announced December 7. The remote tunnels preview feature allows developers to establish a secure connection to a remote VS Code machine using vscode.dev or the Remote – Tunnels extension from within VS Code desktop. With remote tunnels, a secure connection does not require setting up SSH (Secure Shell).

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Airtable成为最新宣布裁员的公司,裁员20% 周五,2022年12月9日05:29:00 -0800 在发给员工的一封电子邮件中,这家低代码平台的首席执行官表示,裁员是“认真审视我们在当前市场环境下所做的努力”的结果。https://www.computerworld.com/article/3682752/airtable-becomes-latest-company-to-announce-layoffs-cutting-20-of-its-workforce.html#tk.rss_all https://www.computerworld.com/article/3682752/airtable-becomes-latest-company-to-announce-layoffs-cutting-20-of-its-workforce.html#tk.rss_all Airtable成为最新宣布裁员的公司,裁员20% 无代码和低代码 它的工作 GitHub商业计划公布 周五,2022年12月9日03:00:00 -0800 paul_krill@idg.com

GitHub has unveiled business usage terms for its GitHub Copilot AI-based coding assistant, making the service available to businesses for $19 per month per user. The company also vowed to keep users’ own code safe from retention, storage, or sharing by GitHub.

GitHub Copilot for Business gives organizations license management, organization-wide policy controls, and privacy features along with licenses for organizations, teams, and individual users. GitHub Copilot, introduced in 2021 as a Visual Studio Code editor extension, offers coding suggestions and functions directly from the user’s programming editor or IDE. The AI model behind Copilot is trained on open source code in public repositories.

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谁会被邀请参加您的云战略聚会? 周五,2022年12月9日03:00:00 -0800

We’ve all worked for companies where core IT decisions are made by a few leaders in the organization. Maybe you’re working for a company like this now. In exit interviews, many people cite this as the core reason for leaving—not pay or the working environment. People feel they have little or no say in the overall direction of IT solutions. They are not in the meetings where the core decisions are made about the types of technologies, the configuration of those technologies, the roles, and the plans for integration and deployment. As cloud pros, this would translate to cloud architectures and deployments, devops toolchains and processes, and the overall enterprise data strategy.

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JDK 20: Java 20中的新特性 周五,2022年12月9日03:00:00 -0800 paul_krill@idg.com

Java 20, or Java Development Kit (JDK) 20, the next planned version of standard Java, is now feature complete. The six features officially marked for the release are either in an incubation or in a preview stage. These include scoped values, record patterns, pattern matching for switch statements and expressions, a foreign function and memory API, virtual threads, and structured concurrency.

Java 20 reached an initial rampdown phase on December 8, with developers now looking to fix bugs and possibly add late enhancements, with approvals required. The JDK is due for general availability on March 21, 2023, as part of Oracle’s six-month release cadence for standard Java editions. JDK 20 would follow the September 20 release of JDK 19.

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js简介:为极简主义者设计的JavaScript框架 12月8日星期四03:00:00 -0800

The innovation in front-end JavaScript frameworks is one of the great techno-cultural phenomena of our time. For over 20 years now, we have witnessed a long tail of evolutionary creativity unfold. Each new idea goes into the communal pot, stirring up improvements in both the process of developing software and the end products that developers build.

One of the frameworks making a name for itself these days is Alpine.js. Alpine is a minimalist framework fashioned, as its name implies, for light handling over rugged terrain. It delivers a lot of power in a lean, easily mastered package. This article will give you a taste of Alpine.js, so you can understand what it delivers and when it might be useful to you.

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如何在c#中使用BufferedStream和MemoryStream 12月8日星期四03:00:00 -0800 joydipkanjilal@yahoo.com

A stream is an abstraction over a sequence of bytes. You can think of it as a continuous buffer that can be read or written to. Streams are often used in conjunction with buffers to help load data into memory more efficiently. The System.IO namespace in .NET has many classes that work with streams, such as FileStream, MemoryStream, FileInfo, and StreamReader/Writer classes.

Basically, streams are classified as either byte streams or character streams, where byte streams deal with data represented as bytes and character streams deal with characters. In .NET, the byte streams include the Stream, FileStream, MemoryStream, and BufferedStream classes. The .NET character streams include TextReader, TextWriter, StreamReader, and StreamWriter.

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为什么Python越来越受业务分析师的欢迎 12月8日星期四03:00:00 -0800 Torsten抓住

With data more critical than ever to companies’ success, Python is spreading beyond the realm of data professionals and being adopted by business analysts and other less technical users. But what are the opportunities if you’re relatively new to Python and what best practices should you be aware of to ensure your success?

Data professionals are a precious commodity and in many organizations the demands of the business have outgrown the resources and capacity of data teams. At the same time, business analysts are running into the limits of what BI tools can do for them and looking for ways to do more advanced analytics. Python is the key to success here.

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GitHub支持NPM访问控制 2022年12月7日星期三14:25:00 -0800 paul_krill@idg.com

Looking to improve the safety and security of NPM JavaScript packages, GitHub is adding granular access tokens to enable fine-grained permissions for NPM accounts, and making its NPM code explorer capability free to users.

GitHub on December 6 explained that stolen credentials are a main cause of data breaches. To help NPM maintainers better manage their risk exposure, GitHub is introducing a granular access token type for NPM. The granular access tokens allow NPM package maintainers to restrict which packages and scopes a token has access to, grant access to specific organizations, set token expiration dates, and limit access based on IP address ranges. Users also can select read-only or read and write access. As many as 50 granular access tokens can be created on an NPM account.

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Azure Kubernetes在WebAssembly上加倍下注 2022年12月7日星期三03:00:00 -0800 simon@sandm.co.uk

It’s interesting to see how cloud-native runtimes are evolving. Although containers make it simple for applications to bring their own runtimes to clouds, and offer effective isolation from other applications, they don’t offer everything we want from a secure application sandbox. Bringing your own userland solves a lot of problems, but it’s a horizontal isolation not vertical. Container applications still get access to host resources.

That’s why WebAssembly (often shortened to Wasm) has become increasingly important. WebAssembly builds on the familiar JavaScript runtime to provide a sandbox for both server-facing and user-facing code. Binaries written in familiar languages, including the memory-safe and type-safe Go and Rust, can run on Wasm in the browser and use WASI (WebAssembly System Interface) as native applications that don’t need a browser host.

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谷歌的Vertex AI Vision为计算机视觉带来了无代码 2022年12月7日星期三03:00:00 -0800 //www.meililyg.com/article/3680148/googles-vertex-ai-vision-brings-no-code-to-computer-vision.html#tk.rss_all //www.meililyg.com/article/3680148/googles-vertex-ai-vision-brings-no-code-to-computer-vision.html#tk.rss_all 谷歌的Vertex AI Vision为计算机视觉带来了无代码 无代码和低代码 金博宝188手机网页 谷歌 机器学习 14个基于WebAssembly的热门语言项目 2022年12月7日星期三03:00:00 -0800 paul_krill@idg.com

Today’s web applications are nowhere near as fast and responsive as native desktop applications, but what if they could be? That’s the promise of WebAssembly.

WebAssembly is a low-level, assembly-like language with a compact binary format that runs with near-native performance in web browsers. At the same time, WebAssembly provides a portable compilation target for C/C++, C#, Rust, Go, Kotlin, Swift, and other programming languages.

Hailed as a way to both improve web application performance and allow languages other than JavaScript to be used in the development of browser apps, WebAssembly is championed by Google, Mozilla, Apple, and Microsoft, all of which support the technology in their browser engines.

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