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Debug, view, edit & learn cron expression syntax.Become a cron expert and enable a world of possibilities. Cron is a tool for scheduling repetitive tasks on Unix-like systems. It allows users to schedule commands or scripts to run at specific times, dates, or intervals. This can be used for automating system maintenance or administration, but it can also be used for other purposes such as regularl
The new releases of Dockerfile 1.4 and Buildx v0.8+ come with the ability to define multiple build contexts. This means you can use files from different local directories as part of your build. Let’s look at why it’s useful and how you can leverage it in your build pipelines. When you invoke the docker build command, it takes one positional argument which is a path or URL to the build context. Mos
SQLite performance tuningScaling SQLite databases to many concurrent readers and multiple gigabytes while maintaining 100k SELECTs per second Jun 26, 2020 • Last Update Jul 31, 2022SQLite is an embedded SQL database. It’s extremely easy to setup, buildable as a single C file with libraries existing for basically all common programming languages. It doesn’t need any server setup or configuration si
R&Dチーム2年目の葉山です。巣ごもりの影響...はあまり関係なく元からですが、もっぱら自宅で映画ばかり見ています。バイオレンスな映画が好きです。最近は業務でMultiple Object Trackingを扱っており、トラッキング処理の実装に四苦八苦しています。 今回はMultiple Object Trackingの基本的な解説と、アルゴリズムや便利なライブラリを紹介していきたいと思います。 Multiple Object Trackingとは? MOTの手法やライブラリなど MOTベンチマークで顕著な成績を残しているモデルたち FairMOT TransMOT(STGT) その他の手法やライブラリ FastMOT motpy MOTの評価指標 評価指標を測るライブラリ py-motmetricsの使い方 終わりに Multiple Object Trackingとは? Multipl
First Visualizations: Frequencies Let us first visualize word frequencies. We can get these frequencies with the quanteda package, which implies transforming the column of lemmas (text.lemmas$lemma) into a quanteda tokens object, then to a document-feature matrix. Doing so, we only retain significant parts of phrases (nous, proper nouns, verbs and adjectives). This only partially spares us the tas
Issues from multiple GitHub repositories in one placeWhen you’re an engineer or product manager, your inbox can easily become overwhelmed with thousands of emails. Skope is a web and macOS app that allows you to manage GitHub issues in real-time from multiple organizations and repositories in one place. All in one placeSkope is designed to change how you work with issues. Switch between issues wit
HomeBlogAboutUsing ssh_config Match to connect to a host using multiple IP or Hostnames My main computer is a MacBook Pro from 2017, but I have some servers laying around and one other laptop connected at home with ArchLinux installed that I use mainly for development. I connect to it remotely either directly using a SSH/Mosh + Tmux + Emacs/Vim combination, or using the pretty convenient VSCode Re
Apple makes it easy to multitask across multiple apps on your Mac with the use of these easy-to-use features. When you work with multiple applications in macOS, your desktop can get a little messy. Thankfully, Apple provides several tools you can use to make multitasking more manageable. Whether you want to work with several apps on the same screen, utilize separate desktops, or simply switch betw
If you're juggling between different Google accounts with different files in them, here's how to unite them into one on Windows. Google Drive is one of the best cloud storage options. It is available on a variety of platforms, is built into Android phones, and comes with a generous dose of complimentary free storage. Everyone with a valid Google account has access to 15GB of free Google Drive stor
Although SQL is reasonably consistent in its implementations, there are several different dialects available with variations of syntax and grammar. SQLFluff currently supports the following SQL dialects (though perhaps not in full): ANSI SQL - this is the base version and on occasion may not strictly follow the ANSI/ISO SQL definition Athena BigQuery ClickHouse Databricks (note: this extends the s
This project implements the well known multi GPU Jacobi solver with different multi GPU Programming Models: single_threaded_copy Single Threaded using cudaMemcpy for inter GPU communication multi_threaded_copy Multi Threaded with OpenMP using cudaMemcpy for inter GPU communication multi_threaded_copy_overlap Multi Threaded with OpenMP using cudaMemcpy for inter GPU communication with overlapping c
forkrun is an extremely fast pure-bash function that leverages bash coprocs to efficiently run several commands simultaniously in parallel (i.e., it's a "loop parallelizer"). forkrun is used in much the same way that xargs or parallel are, but is faster (see the hyperfine_benchmark subdirectory for benchmarks) while still being full-featured and only requires having a fairly recent bash version (4
Usage: octoherd run -S path/to/script.js [options] Options: --help Show help [boolean] -S, --octoherd-script Path to *.js script. Must be an ES Module. [string] [required] -T, --octoherd-token Requires the "public_repo" scope for public repositories, "rep o" scope for private repositories. Creates an OAuth token if n ot set. [string] -R, --octoherd-repos One or multiple repositories in the form of
Timeshift for Linux is an application that provides functionality similar to the System Restore feature in Windows and the Time Machine tool in Mac OS. Timeshift protects your system by taking incremental snapshots of the file system at regular intervals. These snapshots can be restored at a later date to undo all changes to the system. In RSYNC mode, snapshots are taken using rsync and hard-links
AWS Security Blog You can now assign multiple MFA devices in IAM At Amazon Web Services (AWS), security is our top priority, and configuring multi-factor authentication (MFA) on accounts is an important step in securing your organization. Now, you can add multiple MFA devices to AWS account root users and AWS Identity and Access Management (IAM) users in your AWS accounts. This helps you to raise
Advisory: Multiple issues in Realtek SDK affect hundreds of thousands of devices down the supply chain At least 65 vendors affected by severe vulnerabilities that enable unauthenticated attackers to fully compromise the target device and execute arbitrary code with the highest level of privilege. Overview Over the course of a research project focusing on a specific cable modem, we identified that
Oculus’ move to require Facebook accounts is creating serious problems for some of its biggest fans. Windows Central reports that Facebook is banning Oculus users who simultaneously use more than one VR headset linked to the same social network account. This violates Facebook’s terms of service, support representatives claim. In other words, you’re risking a ban if you buy a couple of Oculus Quest
PackerBuild and manage images as code
AWS Identity and Access Management (IAM) now supports multiple multi-factor authentication (MFA) devices for root account users and IAM users in your AWS accounts. This provides additional flexibility and resiliency in your security strategy by enabling more than one authentication device per user. You can choose from one or more types of hardware and virtual devices supported by IAM. MFA is one o
AWS News Blog New: Use AWS CloudFormation StackSets for Multiple Accounts in an AWS Organization Infrastructure-as-code is the process of managing and creating IT infrastructure through machine-readable text files, such as JSON or YAML definitions or using familiar programming languages, such as Java, Python, or TypeScript. AWS Customers typically uses AWS CloudFormation or the AWS Cloud Developme
Terraform の Multiple Provider Configurationsを使ってAWSクロスアカウントの環境構築を楽ちんに はじめに Terraform の Multiple Provider Configurations は 「同一プロバイダー上で複数の設定を指定できる機能」です。 alias を付けることで実現できます。 以下に示す 公式ドキュメント の例では、 AWSプロバイダーにおいて 「us-east-1 リージョンの設定(デフォルト)」 と 「us-west-2リージョンの設定( aws.west )」 の2設定を作っています。 # The default provider configuration; resources that begin with `aws_` will use # it as the default, and it can be ref
WebRTC enables rich, interactive, live voice and video communications anywhere on the Web, boosting global interconnection Read testimonials from W3C Members. https://www.w3.org/ and https://www.ietf.org/ — 26 January 2021 — The World Wide Web Consortium (W3C) and the Internet Engineering Task Force (IETF) announced today that Web Real-Time Communications (WebRTC), which powers myriad services, is
git-xargs is a command-line tool (CLI) for making updates across multiple GitHub repositories with a single command. You give git-xargs: a script or a command to run a list of repos and git-xargs will: clone each repo run your specified script or command against it commit any changes open pull requests provide a detailed report of everything that happened Git-xargs leverages goroutines to perform
On Wednesday February 19th, 2020 we’ll turn on stricter validation requirements in production. We’ll make multiple validation requests from different network perspectives. Most issuance should continue as normal; we believe that a small number of domain names may need fixing. The most common issue will be hosts that use extremely strict firewall rules to allow validation from only specified IP add
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