its not a question it is a request not to install linux without complete knowledge [on hold]

linux comes with a feature that you can modify whatever you want according to your need. but this is useful only to the computer professionals.

Firstly the foremost drawback is that if you install linux, to install windows again you have to format all the drives that means you have to backup the data and then install and then again restore the data.

secondly, there are lots of bugs. whenever some heavy application is being used, my system crashes. even there are bugs on login screen.

However both of these can be solved if you really know computers in depth, but if you are a general user like me, you are in great trouble. i recommend to use linux only if you are completely aware of computers.

Problem installing Knowledge base module

I installed Drupal using the Bitnami stack. I’m trying to install the knowledge base module from . I have installed and enabled the modules upon which it is dependent but when I try to enable the knowledge base module itself I get the error

Unable to install KnowledgeBase due to unmet dependencies: core.entity_form_display.node.kb_content.default (field.field.node.kb_content.body)

Obviously I am still missing a dependency and it’s telling me what it is but what is but how do I fulfill the requirement?

Further, I can see the core.entity_form_display.node.kb_content.default yml file in C:\Bitnami\drupal-8.7.2-1\apps\drupal\htdocs\modules\kb\config\install when I use file explorer.

Is the yml file in the wrong place? Or do I need to do something with it so the knowledgebase install knows about it?

Can someone tell me what I need to do? Please excuse if it’s obvious I am a newbie to Drupal.

Thanks for any help, Roscoe

Is a reasonable level of knowledge of American Football advantageous when playing Blood Bowl?

The rules of Blood Bowl are fairly short and comprehensive. Although a lot of parallels can be drawn between them and the real world game Blood Bowl is based on, American Football, there is no need to know the rules to the real world game in order to know the rules of, and play, the table top version.

However, I’m curious if having a reasonable level of knowledge of the tactics and strategies used in real world American Football can be used as an advantage when playing Blood Bowl?

Does split knowledge always require an implementation of dual control?

Maybe I’m misunderstanding something here.

Dual Control:

Actions taken by different operators to affect a change.

Split Knowledge:

Information needed to affect a change is split between different operators.

If I have split knowledge, I must have at least 2 operators.

It follows that I must have actions take by different operators to use the information ergo dual control.

So if this is right: Can split knowledge always be considered more secure than dual control?

Does a user’s knowledge of operating system interactions carry over to a browser?

My coworkers and I recently discussed an article criticizing the hamburger icon + drawer navigation approach, and began to debate whether Window’s “Start” button utilizes the same approach.

There are plenty of existing debates on the pros, cons, etc. of the hamburger, so I do not think there is a reason to continue that here. However, I would love to hear your opinion on how the “Start” button compares to the hamburger icon.

  • Aside from user familiarity due to frequency of use, do you see a clear difference between the “Start” button and the hamburger icon?
  • Are labeling, visual design, and/or icon position the only possible factors here?
  • Do users’ knowledge of operating system interactions carry over to a browser?

On a side note, does anyone know if the “Start” button heavily criticized when it was first released?

Edit: I should clarify that the hamburger menu I am thinking of for this example is fairly large (say 50+ items) and contains no alert/notification style content, just navigational links to pages within the website?

Principle components and loadings, just double check my knowledge

Suppose for a data matrix $ X$ that contains $ n$ observations with $ p$ variables and let $ S$ be its covariance sample matrix. $ S=VDV^{T}$ by eigendecomposition, where V is called a loading matrix. Am I right in saying that the columns of loadings are principle components of that data matrix? If not, what is the connection between the loadings and principle components?

Developing C++ knowledge, not using videogames [on hold]

I’m looking to improve my knowledge of C++. The issue is most of the projects I come across to try and improve my knowledge are in developing videogames. This doesn’t particularly interest me…

Can anyone advise any other areas that C++ are used in, I’m interested in learning about networking and/or cyber security if this can be achieved with C++?


Chatbot Marketing Mastery your own custom chatbot without any programming knowledge for $2

Discover the very best tools for creating your own custom chat bot without any programming knowledge! With sites like Facebook opening their platforms to automated messaging for companies, chat bots have really exploded in popularity. Facebook went from zero chat bots in February 2016 to 18,000 by July of the same year. had approximately 300,000,000 registered users, and those users exchanged 350,000,000 automated messages with the platform in the first seven months of its chat bot. You’ve probably seen chat bots in action. They are on all sorts of websites, from major retail chains to mobile phone service providers and many other types of sites and apps. At first, you might think you’re talking to a real person. Usually, a popup appears with a picture of an agent, along with a name. The “agent” asks something like, “May I help you with anything?” Or, “Do you have any questions?” Chat bots use artificial intelligence that is often quite advanced to answer many questions a user might have, and in the event that the bot is unable to help the user, it will usually as the user to call, email, or fill out a support form, or perhaps to check a F.A.Q. page. Chat bots are quite advanced, and many of them can almost manage to fool users into thinking they are speaking to a real person. This is beneficial, because it allows companies to lower their overhead by using chat bots to replace customer service agents in many circumstances, and only when the chat bot is unsuccessful in helping the customer must a real agent step in. Chat bots have a few drawbacks, but they also have many benefits. In this guide, you’re going to learn more about how chat bots can be used for marketing, and whether or not chat bots are a good fit for your business.

by: Omate
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Category: eBook
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Google Knowledge Panel Optimization

Hi! My family runs an outdoor living business (patios, pergolas, decks etc) and I do the SEO work as well. Can you share any tips on optimizing a website to appear on Google's Knowledge panel. I've already employed json ld markup and plan on updating GMP with new posts. Is that sufficient? Are there any known strategies out there that have been proven successful? Really want to get a knowledge panel for one of our main keywords. Thanks.

Where to put domain knowledge for Authorization?

I hope this is the correct SE site for this kind of question.

My team is currently developing an application which IMO needs access control beyond RBAC. Users can have access rights to entities based on several factors e.g. the administrator of a company is implicitly granted admin access to subsidiaries.

To allow abstraction from this complex, domain specific access control logic on the resource level we are planning to put a service in place which will simplify this to (subject,object,permission) queries.

My first question is: Do you think this is a valid approach or would you place more domain-specific checks inside the resource/controller layer of the application?

Assuming that we do put the abstraction layer in place the second part of my question is as follows: Should we store all the implicit and explicit access rights in the access control for quick retrieval or rather have the system calculate implicit/derived permissions on the fly?

If we do the computation during write/update and only store explicit permissions we can then use some standard implementation like Shiro to handle the checks. If we do the computation on retrieval we will have to basically code everything our self.

On one hand I’m a bit reluctant to do a lot of computation for each request. But I’m way more afraid of having stale access rights (either false positive when forgetting to delete implicit grants or false negative when forgetting to update on change in corporation structure).

So where do you recommend to put the domain knowledge?