The document provides 8 rules for building a web application effectively on Google App Engine: 1) Design a simple data model, 2) Handle data model updates via a non-default version, 3) Use techniques like memcache to reduce costs, 4) Improve cold startup time by minimizing dependencies, 5) Prefer Google Guice as a dependency injection framework, 6) Use GWT for a desktop-like interface, 7) Employ the GWT MVP pattern, and 8) Consider frameworks like Apache Wicket.
Google story secrets of multibillion sucessesful companyRenzil D'cruz
Google Inc. is an American multinational corporation specializing in Internet-related services and products. this presentation covers google products and all ups and downs of Google Inc.
Succession “Losers”: What Happens to Executives Passed Over for the CEO Job?
By David F. Larcker, Stephen A. Miles, and Brian Tayan
Stanford Closer Look Series
Overview:
Shareholders pay considerable attention to the choice of executive selected as the new CEO whenever a change in leadership takes place. However, without an inside look at the leading candidates to assume the CEO role, it is difficult for shareholders to tell whether the board has made the correct choice. In this Closer Look, we examine CEO succession events among the largest 100 companies over a ten-year period to determine what happens to the executives who were not selected (i.e., the “succession losers”) and how they perform relative to those who were selected (the “succession winners”).
We ask:
• Are the executives selected for the CEO role really better than those passed over?
• What are the implications for understanding the labor market for executive talent?
• Are differences in performance due to operating conditions or quality of available talent?
• Are boards better at identifying CEO talent than other research generally suggests?
Google story secrets of multibillion sucessesful companyRenzil D'cruz
Google Inc. is an American multinational corporation specializing in Internet-related services and products. this presentation covers google products and all ups and downs of Google Inc.
Succession “Losers”: What Happens to Executives Passed Over for the CEO Job?
By David F. Larcker, Stephen A. Miles, and Brian Tayan
Stanford Closer Look Series
Overview:
Shareholders pay considerable attention to the choice of executive selected as the new CEO whenever a change in leadership takes place. However, without an inside look at the leading candidates to assume the CEO role, it is difficult for shareholders to tell whether the board has made the correct choice. In this Closer Look, we examine CEO succession events among the largest 100 companies over a ten-year period to determine what happens to the executives who were not selected (i.e., the “succession losers”) and how they perform relative to those who were selected (the “succession winners”).
We ask:
• Are the executives selected for the CEO role really better than those passed over?
• What are the implications for understanding the labor market for executive talent?
• Are differences in performance due to operating conditions or quality of available talent?
• Are boards better at identifying CEO talent than other research generally suggests?
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 3. In this session, we will cover desktop automation along with UI automation.
Topics covered:
UI automation Introduction,
UI automation Sample
Desktop automation flow
Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
Builder.ai Founder Sachin Dev Duggal's Strategic Approach to Create an Innova...Ramesh Iyer
In today's fast-changing business world, Companies that adapt and embrace new ideas often need help to keep up with the competition. However, fostering a culture of innovation takes much work. It takes vision, leadership and willingness to take risks in the right proportion. Sachin Dev Duggal, co-founder of Builder.ai, has perfected the art of this balance, creating a company culture where creativity and growth are nurtured at each stage.
LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...DanBrown980551
Do you want to learn how to model and simulate an electrical network from scratch in under an hour?
Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)!
During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook.
PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
- Visualization tools to display your network;
- Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses;
The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
What you will learn during the webinar:
- For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills;
- For advanced developers: master the skills to efficiently apply PowSyBl functionalities to your real-world scenarios.
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
How world-class product teams are winning in the AI era by CEO and Founder, P...
Google development
1. 8 rules to build web app on
top of Google AppEngine
effectively
Lessons learned
www.comvai.com
2. Google App Engine
• Keep in mind Google AppEngine supports
subset of Java EE specifications. Check at
http://code.google.com/p/googleappengine/wiki/W
www.comvai.com
3. 1. Design Data model as simple as
possible
• The App Engine Datastore is not traditional relational SQL database and
there are several important differences.
• AppEngine datastore is schemaless. Entities of the same kind can have
different properties. The application itself is responsible for ensuring that
entities conform to it.
• If you want to migrate your existing data model to App Engine you will
probably need it to redesign.
• Data-model consistency will be split to the data-model and application.
• Check app engine datastore limitations to understand it. It gives you better
overview regarding your future data-model design.
http://code.google.com/appengine/articles/datastore/overview.html
www.comvai.com
4. How to
• Use recommended High Replication Datastore HRD.
• Use Objectify with JPA annotations over built-in JPA or JDO.
• Prefer to use unowned relationships between entities.
• Forget about count entities over filtered query result. Design your UI so
that count is not being required.
• If you need statistic calculations, do it on entity update.
• Note: Building data model on top of built-in either JPA or JDO doesn't
guarantee that application will be vendor independent because of different
behavior of AppEngine datastore in some cases. Even it doesn't mean that's
not possible to do so just requires understanding of AppEngine datastore
behavior.
www.comvai.com
5. 2. Handle your data model via non
default version of your GAE app
• The AppEngine allows you to deploy more than one non default version of
your application. Deploy specifically designed application to perform update
of your data model only as a non default version to be independent from
your main application release cycle.
www.comvai.com
6. 3. Price shields tips
• Use Appstats out of the box tool to detect datastore bottleneck. Just plug
in. It helps you to find the hidden unnecessary datastore operations that are
dragging you down.
• Use memcache. Datastore operations costs money and caching of "static"
data could save you from using unnecessary datastore operations.
• Use as many static files as possible. Static files are handled with high
performance static front-end servers (CDN) which are highly optimized for
this type of content.
• See more
http://www.gregtracy.com/revisiting-google-app-engines-pricing-changes
www.comvai.com
7. 4. Improve cold startup time
• AppEngine instances starts quite often thus cold startup time (known as
well as warmup request, loading request) is more important than in
traditional Java EE application. Good startup time improves user experience.
• Minimize number of your application java library dependencies as much as
possible. Make sure if all your libs are really needed. Otherwise it will slow
your cold startup time down.
• Don't use JSP if you are already using another Frontend framework
• Using JSPs will add additional libraries into your lib directory that are used
for processing of JSP.
http://www.listry.com/blog/2010/03/google-app-engine-cold-start-tip-dont
• Use Objectify over built-in JPA or JDO.
http://www.listry.com/blog/2010/03/google-app-engine-cold-start-guide-for
www.comvai.com
8. 5. Prefer Google Guice as DI framework
• It's simple, small in size and powerful library and you probably won't need
more.
www.comvai.com
9. 6. Use GWT for your desktop like web
app
• GWT together with GAE offers lot of built-in technics to improve your
web app performance. Built-in features coming as advice from the book
High Performance Web Sites.
• It's better to have only one framework for the UI even it means to build
some components yourself. Among other things it means less dependencies
and simplified upgrade process.
www.comvai.com
10. How to GWT
• Use built-in optimization technics with help of GWT's ClientBundles.
• ClientBundles and ImageResource makes using images more efficient.
• CssResource for CSS minification, CSS image strips and much more, see
docs for ClientBundles (DataResource, TextResource,
ExternalTextResource).
• Switch on minification and obfuscation of the Java-JavaScript compiler.
www.comvai.com
11. How to GAE
• Content Delivery Network CDN
• Gzip compression
• Memcache
www.comvai.com
12. 7. Use GWT MVP pattern
• It's not easy to work with but worth of time. GWT has built-in support for
MVP pattern.
www.comvai.com
13. Benefits
• Well suited for large scale application.
• Separation of functionality into components. Helps simplify UI unit testing.
• Built-in browser history management. MVP is not concerned with browser
history management, but Activities and Places may be used very well with
MVP development.
• Built-in event bus as a central point for app events.
• Caching all of your code books via GWT event bus as a central pipe to go
to the backend.
www.comvai.com
14. 8. Use Apache Wicket for website
• The component based web framework. Version 1.5 or higher optimized for
Google AppEngine
• In Java ecosystem there is a lot of front-end frameworks thus to choose the
right one depends on many varying factors. We like Apache Wicket because
it's Java, feature rich component-oriented framework with good API. As
version 1.5 it very well operates on App Engine. So it's up to you and your
requirements but ones Apache Wicket is good fit for you we recommend it.
• Add wicketstuff-gae-initializer dependency along side with wicket core
dependencies
• Alternative Play framework as it has specific module for App Engine.
www.comvai.com
15. • Visit http://www.comvai.com/google-app-engine-development and register
yourself to get development of your Google AppEngine project's Proof of
Concept for free.
• Validate suitability of your project to be built on top of Google App Engine.
www.comvai.com