Power shell object
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The document provides examples of using arrays and common array methods in PowerShell like ForEach-Object, Select-Object, Sort-Object, Tee-Object, Group-Object, Measure-Object, and Compare-Object. It also demonstrates how to read from, create, and edit Word documents using PowerShell and COM objects.
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![Array
> $a = 1, 2, 3, 4, 5
String.Object[]
> $b = 1, “C”, 2.99, (Get-Process)
可用 @() ，表示新增 Array](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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ReactJs
This document is a tutorial on React js that covers getting started with React, creating components, composing components with properties, adding Markdown, and hooking up components to a data model. It includes sections on your first component, React developer tools, using component properties, adding Markdown, and connecting components to data through multiple steps. The tutorial aims to teach developers how to build React applications.
Docker
Docker is an open platform for developing, shipping, and running applications. It enables separating applications from infrastructure so software can be delivered quickly. Docker uses features of the Linux kernel like namespaces and cgroups to deliver functionality. Containers are more lightweight than virtual machines, using less disk space and starting faster, while still providing isolation. Docker uses images and repositories to package and distribute applications. The Dockerfile defines how to build images from a base image and run commands.
Semantic ui
Semantic UI is a front-end framework started in 2013 that helps create beautiful and responsive layouts using human-friendly HTML. It treats words and classes as exchangeable concepts, using syntax from natural languages for intuitive class names. Semantic UI includes tools for simplified debugging, intuitive JavaScript behaviors, and customizable themes through an installation process involving Node.js, Gulp, and included files. It has a folder structure for component types and supports custom themes, sitewide defaults, component defaults, and overrides.
node.js errors
The document discusses four categories of errors in Node.js - standard JavaScript errors, system errors from underlying OS constraints, user-specified errors from application code, and assertion errors from logic violations. It also covers how errors propagate and can be intercepted using try/catch blocks, callbacks, and EventEmitter events. Errors are handled asynchronously in Node.js and the Error class can be used to create new error objects.
Process control nodejs
The document discusses process control in Node.js using state machines, promises, and generators. It covers using EventEmitter to create a state machine that emits events. It explains how promises are used to handle asynchronous operations and avoid callback hell. Generators are used to pause and resume functions through the yield keyword.
Expression tree
Expression trees represent code in a tree-like data structure where each node is an expression. This enables dynamic modification of executable code, execution of LINQ queries in various databases, and creation of dynamic queries. Expression trees can be compiled into executable code using the Expression<TDelegate>.Compile() method.
flexbox report
CSS Flex Box Layout is a CSS3 web layout model that allows elements within a container to be automatically arranged and resized depending on screen size. It defines flex containers and flex items, with properties that control alignment, order, sizing, and distribution of space. Common flex properties include flex-direction, flex-wrap, justify-content, align-items, and properties for individual flex items like order, flex-grow, and align-self. Flexbox provides more flexible layout options compared to traditional CSS box model properties.
Node child process
The child_process module provides several methods for spawning child processes from Node.js applications including exec, execFile, spawn, and fork. exec spawns a shell and runs a command, passing stdout and stderr to a callback. execFile is similar but spawns directly without a shell. spawn spawns a process and returns a ChildProcess object for sending/receiving messages. fork spawns a new Node.js process and allows sending messages between parent and child.
20160415ken.lee
This document discusses ShowModalDialog for Chrome, which is a library that aims to provide modal dialog functionality for Chrome similar to IE's ShowModalDialog method. It covers Chrome and IE compatibility issues with modal dialogs and provides examples of using ShowModalDialog for Chrome, including customizing select options and accessing event handlers via jQuery. It also demonstrates using eval() to evaluate JavaScript expressions and executing code on document ready.
Peggy elasticsearch應用
The document discusses Elasticsearch concepts and operations including:
1. Field datatypes in Elasticsearch including simple, hierarchical, and specialized types.
2. Search operations using GET and POST, and query syntax including query_string, bool, date range, and nested queries.
3. Additional query parameters like size, from, sort, filter, and aggregations to customize search results.
4. The scan and scroll API for efficiently retrieving large result sets.
Expression tree
Expression trees represent code in a tree-like data structure where each node is an expression. This enables dynamic modification of executable code, execution of LINQ queries in various databases, and creation of dynamic queries. Expression trees can be compiled into executable code using the Expression<TDelegate>.Compile() method.
D3js learning tips
D3.js is a JavaScript library for manipulating documents based on data. It allows binding data to the DOM and applying data-driven transformations. The document discusses using D3.js to create force-directed graphs by binding data to SVG elements like paths, circles, and text. Key aspects covered include the D3 force layout to simulate physical forces on nodes, and SVG attributes to define paths, circles, text position and styling.
git command
This document provides information on various Git commands including git init, git config, git add, git reset, git commit, git log, git branch, git checkout, git merge, and others. It explains what each command does, such as git init creating an empty Git repository, git config setting user information, git add staging files, and git commit permanently storing file changes. It also covers basic branching and merging workflows.
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High performance Serverless Java on AWS- GoTo Amsterdam 2024
Java is for many years one of the most popular programming languages, but it used to have hard times in the Serverless community. Java is known for its high cold start times and high memory footprint, comparing to other programming languages like Node.js and Python. In this talk I'll look at the general best practices and techniques we can use to decrease memory consumption, cold start times for Java Serverless development on AWS including GraalVM (Native Image) and AWS own offering SnapStart based on Firecracker microVM snapshot and restore and CRaC (Coordinated Restore at Checkpoint) runtime hooks. I'll also provide a lot of benchmarking on Lambda functions trying out various deployment package sizes, Lambda memory settings, Java compilation options and HTTP (a)synchronous clients and measure their impact on cold and warm start times.
Apps Break Data
How information systems are built or acquired puts information, which is what they should be about, in a secondary place. Our language adapted accordingly, and we no longer talk about information systems but applications. Applications evolved in a way to break data into diverse fragments, tightly coupled with applications and expensive to integrate. The result is technical debt, which is re-paid by taking even bigger "loans", resulting in an ever-increasing technical debt. Software engineering and procurement practices work in sync with market forces to maintain this trend. This talk demonstrates how natural this situation is. The question is: can something be done to reverse the trend?
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Imagine an IoT processing system that is already quite mature and production-ready and for which client coverage is growing and scaling and performance aspects are life and death questions. The system has Redis, MongoDB, and stream processing based on ksqldb. In this talk, firstly, we will analyze scaling approaches and then select the proper ones for our system.
GraphRAG for LifeSciences Hands-On with the Clinical Knowledge Graph
Tomaz Bratanic
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Manufacturing custom quality metal nameplates and badges involves several standard operations. Processes include sheet prep, lithography, screening, coating, punch press and inspection. All decoration is completed in the flat sheet with adhesive and tooling operations following. The possibilities for creating unique durable nameplates are endless. How will you create your brand identity? We can help!
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
HERE IS YOUR WEBINAR CONTENT! 'Mastering Customer Journey Management with Dr. Graham Hill'. We hope you find the webinar recording both insightful and enjoyable.
In this webinar, we explored essential aspects of Customer Journey Management and personalization. Here’s a summary of the key insights and topics discussed:
Key Takeaways:
Understanding the Customer Journey: Dr. Hill emphasized the importance of mapping and understanding the complete customer journey to identify touchpoints and opportunities for improvement.
Personalization Strategies: We discussed how to leverage data and insights to create personalized experiences that resonate with customers.
Technology Integration: Insights were shared on how inQuba’s advanced technology can streamline customer interactions and drive operational efficiency.
Monitoring and Managing Anomaly Detection on OpenShift.pdf
Monitoring and Managing Anomaly Detection on OpenShift
Overview
Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
- Understand the fundamentals of anomaly detection and its importance in identifying unusual behavior or failures in systems.
2. Understanding Edge (IoT)
- Learn about edge computing and IoT, and how they enable real-time data processing and decision-making at the source.
3. What is ArgoCD?
- Discover ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes, and its role in deploying applications on edge devices.
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5. Introduction to Apache Kafka and S3
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6. Viewing Kafka Messages in the Data Lake
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12. Jupyter Notebooks with Code Examples
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Taking AI to the Next Level in Manufacturing.pdf
Read Taking AI to the Next Level in Manufacturing to gain insights on AI adoption in the manufacturing industry, such as:
1. How quickly AI is being implemented in manufacturing.
2. Which barriers stand in the way of AI adoption.
3. How data quality and governance form the backbone of AI.
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Main news related to the CCS TSI 2023 (2023/1695)
An English 🇬🇧 translation of a presentation to the speech I gave about the main changes brought by CCS TSI 2023 at the biggest Czech conference on Communications and signalling systems on Railways, which was held in Clarion Hotel Olomouc from 7th to 9th November 2023 (konferenceszt.cz). Attended by around 500 participants and 200 on-line followers.
The original Czech 🇨🇿 version of the presentation can be found here: https://www.slideshare.net/slideshow/hlavni-novinky-souvisejici-s-ccs-tsi-2023-2023-1695/269688092 .
The videorecording (in Czech) from the presentation is available here: https://youtu.be/WzjJWm4IyPk?si=SImb06tuXGb30BEH .
Must Know Postgres Extension for DBA and Developer during Migration
Mydbops Opensource Database Meetup 16
Topic: Must-Know PostgreSQL Extensions for Developers and DBAs During Migration
Speaker: Deepak Mahto, Founder of DataCloudGaze Consulting
Date & Time: 8th June | 10 AM - 1 PM IST
Venue: Bangalore International Centre, Bangalore
Abstract: Discover how PostgreSQL extensions can be your secret weapon! This talk explores how key extensions enhance database capabilities and streamline the migration process for users moving from other relational databases like Oracle.
Key Takeaways:
* Learn about crucial extensions like oracle_fdw, pgtt, and pg_audit that ease migration complexities.
* Gain valuable strategies for implementing these extensions in PostgreSQL to achieve license freedom.
* Discover how these key extensions can empower both developers and DBAs during the migration process.
* Don't miss this chance to gain practical knowledge from an industry expert and stay updated on the latest open-source database trends.
Mydbops Managed Services specializes in taking the pain out of database management while optimizing performance. Since 2015, we have been providing top-notch support and assistance for the top three open-source databases: MySQL, MongoDB, and PostgreSQL.
Our team offers a wide range of services, including assistance, support, consulting, 24/7 operations, and expertise in all relevant technologies. We help organizations improve their database's performance, scalability, efficiency, and availability.
Contact us: info@mydbops.com
Visit: https://www.mydbops.com/
Follow us on LinkedIn: https://in.linkedin.com/company/mydbops
For more details and updates, please follow up the below links.
Meetup Page : https://www.meetup.com/mydbops-databa...
Twitter: https://twitter.com/mydbopsofficial
Blogs: https://www.mydbops.com/blog/
Facebook(Meta): https://www.facebook.com/mydbops/
Essentials of Automations: Exploring Attributes & Automation Parameters
Building automations in FME Flow can save time, money, and help businesses scale by eliminating data silos and providing data to stakeholders in real-time. One essential component to orchestrating complex automations is the use of attributes & automation parameters (both formerly known as “keys”). In fact, it’s unlikely you’ll ever build an Automation without using these components, but what exactly are they?
Attributes & automation parameters enable the automation author to pass data values from one automation component to the next. During this webinar, our FME Flow Specialists will cover leveraging the three types of these output attributes & parameters in FME Flow: Event, Custom, and Automation. As a bonus, they’ll also be making use of the Split-Merge Block functionality.
You’ll leave this webinar with a better understanding of how to maximize the potential of automations by making use of attributes & automation parameters, with the ultimate goal of setting your enterprise integration workflows up on autopilot.
Demystifying Knowledge Management through Storytelling
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The objectives of the Lunch and Learn presentation were to:
- Review what KM ‘is’ and ‘isn’t’
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Connector Corner: Seamlessly power UiPath Apps, GenAI with prebuilt connectors
Join us to learn how UiPath Apps can directly and easily interact with prebuilt connectors via Integration Service--including Salesforce, ServiceNow, Open GenAI, and more.
The best part is you can achieve this without building a custom workflow! Say goodbye to the hassle of using separate automations to call APIs. By seamlessly integrating within App Studio, you can now easily streamline your workflow, while gaining direct access to our Connector Catalog of popular applications.
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Creating a compelling user experience for any software, without the limitations of APIs.
Accelerating the app creation process, saving time and effort
Enjoying high-performance CRUD (create, read, update, delete) operations, for
seamless data management.
Speakers:
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"$10 thousand per minute of downtime: architecture, queues, streaming and fin...
Direct losses from downtime in 1 minute = $5-$10 thousand dollars. Reputation is priceless.
As part of the talk, we will consider the architectural strategies necessary for the development of highly loaded fintech solutions. We will focus on using queues and streaming to efficiently work and manage large amounts of data in real-time and to minimize latency.
We will focus special attention on the architectural patterns used in the design of the fintech system, microservices and event-driven architecture, which ensure scalability, fault tolerance, and consistency of the entire system.
Dandelion Hashtable: beyond billion requests per second on a commodity server
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The Microsoft 365 Migration Tutorial For Beginner.pptx
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Northern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
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Must Know Postgres Extension for DBA and Developer during Migration
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Essentials of Automations: Exploring Attributes & Automation Parameters
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[OReilly Superstream] Occupy the Space: A grassroots guide to engineering (an...
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Dandelion Hashtable: beyond billion requests per second on a commodity server
Nordic Marketo Engage User Group_June 13_ 2024.pptx
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The Microsoft 365 Migration Tutorial For Beginner.pptx
Northern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
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Power shell object
- 1. Jason
- 2. Array > $a = 1, 2, 3, 4, 5 String.Object[] > $b = 1, “C”, 2.99, (Get-Process) 可用 @() ，表示新增 Array
- 3. Array > $a = 2, 3, 4 > $a[0, 2] > $a[0, -1] > $a[1] = 10, 20, 30 > $a = $a + 1
- 4. Array > 1, 2, 3, 4 –contains 4 > 1, 2, 3,4 –notcontains 3 > 1, 2, 3 –contains “3” > 1, 2, “03” –contains 3
- 5. ForEach-Object 簡寫為 foreach > 1,2,3 | ForEach-Object { $_ * 2 } 或 > 1,2,3 | foreach { $_ * 2 }
- 6. Select-Object 簡寫為 select > Get-Process chrome | Select-Object ProcessName,Id
- 7. Sort-Object 簡寫為 sort Get-Process chrome | Sort-Object Id Get-Process chrome | Sort-Object Id -Descending
- 8. Tee-Object 簡寫為 tee >3,2,1 | Tee-Object -Variable unsorted | Sort-Object 1 2 3 >$unsorted 3 2 1
- 9. Group-Object 簡寫為 group > dir | Group-Object -Property Extension Count Name Group ----- ---- ----- 1 .android {.android} 1 .10 {.gstreamer-0.10} 16 {Contacts, Desktop, Documents, Downloads...} 1 .kdiff3rc {.kdiff3rc} 1 .userId {.org.eclipse.epp.usagedata.recording.userId} 1 .txt {a.txt} 1 .ini {mercurial.ini}
- 10. Measure-Object >1,2,3,4 | Measure-Object -Sum -Max -Min -Average Count : 4 Average : 2.5 Sum : 10 Maximum : 4 Minimum : 1
- 11. Compare-Object 簡寫為 diff >$a = @(1,2,4) >$b = @(1,3,4) >Compare-Object -ReferenceObject $a -DifferenceObject $b >Compare-Object $a $b InputObject SideIndicator ----------- ------------- 3 => 2 <=
- 12. Read Word File ProgID ： Word.Application $wordApp = New-Object -COM Word.Application $file = (dir Test.docx).FullName $doc = $wordApp.Documents.Open($file) $text = $doc.Content.Text $text $wordApp.Exit
- 13. Create Word File $path = Join-Path (Get-Location) create.doc $wordApp = New-Object -COM Word.Application #$wordApp.Visible = $true if (Test-Path $path) { del $path } $doc = $wordApp.Documents.Add() $doc.Content.Text = "This is a book!!" $doc.SaveAs($path) $wordApp.Quit()
- 14. Edit Word File $wordApp = New-Object -COM Word.Application $file = (dir Test.docx).FullName $doc = $wordApp.Documents.Open($file) $documentFront = $doc.Content $documentFront.End = $start.Start $documentFront.Text ="Sorry" $documentFront.Font.Name="Times new roman" $documentFront.Font.ColorIndex = 6 $doc.save() $wordApp.Quit()