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Friday, 31 July 2020

How do I get a YouTube video thumbnail from the YouTube API?

Each YouTube video has four generated images. They are predictably formatted as follows: https://img.youtube.com/vi/<insert-youtube-video...


Each YouTube video has four generated images. They are predictably formatted as follows:

https://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg
https://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg
https://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg
https://img.youtube.com/vi/<insert-youtube-video-id-here>/3.jpg

The first one in the list is a full size image and others are thumbnail images. The default thumbnail image (i.e., one of 1.jpg, 2.jpg, 3.jpg) is:

https://img.youtube.com/vi/<insert-youtube-video-id-here>/default.jpg
For the high quality version of the thumbnail use a URL similar to this:

https://img.youtube.com/vi/<insert-youtube-video-id-here>/hqdefault.jpg
There is also a medium quality version of the thumbnail, using a URL similar to the HQ:

https://img.youtube.com/vi/<insert-youtube-video-id-here>/mqdefault.jpg
For the standard definition version of the thumbnail, use a URL similar to this:

https://img.youtube.com/vi/<insert-youtube-video-id-here>/sddefault.jpg
For the maximum resolution version of the thumbnail use a URL similar to this:

https://img.youtube.com/vi/<insert-youtube-video-id-here>/maxresdefault.jpg
All of the above URLs are available over HTTP too. Additionally, the slightly shorter hostname i3.ytimg.com works in place of img.youtube.com in the example URLs above.

Friday, 5 June 2020

How to Code in MATLAB without Any Warnings

There is no person who doesn’t get irritated when he/she sees warnings when working. “What have I done wrong? Why do I see it now?” – Are th...

There is no person who doesn’t get irritated when he/she sees warnings when working. “What have I done wrong? Why do I see it now?” – Are there the thoughts that have just crossed your mind? MATLAB is an advanced programming language that isn’t as easy as ABC. It covers a wide range of features. MATLAB includes an integrated development environment, object-oriented features, and interfaces to programs written in other programming languages. 

Programs that are written in MATLAB come not only in the type of functions but also in the type of scripts. Functions have input and output arguments, as well as their own workspace for storing intermediate results of calculations and variables. Most students find it difficult to deal with MATLAB assignments and request MATLAB assignment help from Assignment Core. It isn’t surprising as experts know all the peculiarities of the MATLAB and can do any assignment quickly and effectively. 

MATLAB: A Clear Picture of It
The main feature of MATLAB is its wide capabilities for working with matrices, which the creators of the language expressed in the slogan “Think vectorized”. Mathematics and calculations MATLAB provides the user with a large number (several hundred) of functions for data analysis, covering almost all areas of mathematics, in particular: 

  • Matrices and linear algebra - matrix algebra, linear equations, eigenvalues ​​and vectors, singularities, matrix factorization; 
  • Mathematical statistics and data analysis - statistical functions, statistical regression, digital filtering, etc.; 
  • Data processing - a set of special functions, including graphing, optimization, search for zeros, numerical integration, etc. 
  • Differential equations - the solution of differential-algebraic equations, differential equations with delay, equations with constraints, partial differential equations and others. 

Algorithm development MATLAB provides convenient tools for developing algorithms, including high-level ones using object-oriented programming concepts. It has all the necessary tools for an integrated development environment, including a debugger and profiler. Functions for working with whole data types make it easy to create algorithms for microcontrollers and other applications where necessary. However, sometimes, warnings prevent from the fruitful work. Let’s consider the ways on how you can code in MATLAB without any warnings.

What Should You Do to Get Rid of Irritating Warnings?
Want to disable warnings when coding in MATLAB? Do you feel at a loss when it comes to dealing with the warnings that appear again and again? It isn’t a secret that coding can be successful if you are focused on what you are doing. You are unlikely to succeed in MATLAB coding if some warning message appears on the screen all over again. It isn’t always easy to get rid of such messages. But this doesn’t mean that there is no way to deal with this common problem every MATLAB coder faces sooner or later.

First, you should understand that there are different types of warnings, which have various nature. It isn’t difficult to guess that each message has its own reason.  Each warning message is displayed because of a certain error. At the very beginning, you’re recommended to learn more about the warning message. Get the information about the specific warning you’ve got and proceed to the careful analysis.

The easiest way to forget about warnings when you code in MATLAB is just to disable warnings by choosing “off” state. But it isn’t always possible just to do this thing which takes seconds. You should look through the settings of the warnings. It’s necessary for you to know which warning to enable and which one to disable. Examine the structure of the warning before you disable it. In some cases, you should enable all the warnings, except for the singular matrix warning. 

Things to Keep in Mind When You Disable Warnings
Do you have no idea whether you should disable the warning or not? If you aren’t sure that it’s the best thing you should do, then, you’re recommended to disable it temporarily. How to do this? The first step you should take is to find an identifier of the warning. Secondly, store it in the state it has at the moment. And, finally, disable, the warning you’ve chosen. 

Don’t forget to consider the input information. It’s the data about the problem that has led to the appearance of the specific warning. Why do you need to pay special attention to the input data? It’s simple. This information will be of use to you if you want to get rid of the initial problem forever. The input arguments will help you to learn about the cause and correct the error. Formatting of the message is one of the ways to deal with irritating warnings while coding. Take into account all the indicators and settings of the specific warning to disable it successfully. 

Remember that if you don’t know how to deal with MATLAB warnings in the best way, you can always hire a specialist online. Experts from the trusted company will demonstrate how to deal with any assignment fast and easy and provide you with useful experience.

Tuesday, 19 May 2020

How to Add ads.txt in Blogger Site

If your blog is monetized with third-party providers or you’ve manually integrated AdSense in your blog, you will need to manually set up th...
How to Add ads.txt in Blogger Site

If your blog is monetized with third-party providers or you’ve manually integrated AdSense in your blog, you will need to manually set up the content of the ads.txt file.

Step 1: Sign in to Blogger.

Step 2: In the top left, click the Down arrow.

Step 3: Click the blog you want to set up an ads.txt file on.

Step 4: On the left, click Settings.

Step 5: Under "Settings," click Search preferences.

Step 6: Under "Monetization," find "Custom ads.txt" and click Edit.

Step 7: Click Yes.

Step 8: Copy the settings from your third-party monetization provider and paste them in the text box.

Step 9: Click Save Settings.

Step 10: Optional: To check the content of your ads.txt file, go to http://<your blog address>/ads.txt.


Note: If your blog is not monetized, or it’s only configured to use AdSense using the Blogger-AdSense integration, then you do not need to manually set up ads.txt.

Monday, 18 May 2020

Responsive Web Design - Media Queries

What is a Media Query? Media query is a CSS technique introduced in CSS3. If the browser tab is 600px or smaller, the div background color w...
What is a Media Query?
Media query is a CSS technique introduced in CSS3.

If the browser tab is 600px or smaller, the div background color will be red:
@media only screen and (max-width: 600px) 

     div 
         { 
               background-color: red; 
        } 
}

Friday, 15 May 2020

Error with pre-create check: “This computer doesn't have VT-X/AMD-v enabled. Enabling it in the BIOS is mandatory” even though it's enabled

The same issue on Windows 10 Home with Docker Toolbox 18.09.3 (laptop powered by Ryzen 2500U): running normal Linux image via Virtualbox wor...
The same issue on Windows 10 Home with Docker Toolbox 18.09.3 (laptop powered by Ryzen 2500U): running normal Linux image via Virtualbox works like a charm, and msinfo32 tool reports "virtualization enabled: true"

What helped was adding --virtualbox-no-vtx-check to the docker-machine create command, to be more specific I used this cmd:

docker-machine create -d virtualbox --virtualbox-memory=4096 \
    --virtualbox-cpu-count=4 --virtualbox-disk-size=40960 \
    --virtualbox-no-vtx-check default

And everything worked just great! 

Hope this helps on your case as well :-)

Friday, 8 May 2020

Free Essay Writing Help Online: Stress-Free Studying and Excellent Results

Studying and Excellent Results If you ask students why writing essays is so difficult, you are to hear a lot of different reasons. The most ...

Studying and Excellent Results
If you ask students why writing essays is so difficult, you are to hear a lot of different reasons. The most common of them are the following:
  • The problem of the right word-choice;
  • The necessity to spend hours searching for the needed information;
  • Burdensome English grammar;
  • Demanding requirements.
If you are not good at writing, there are several ways out. Four main solutions are:
  1. Using online helper or special software that generates the ready essay;
  2. Learning information with the help of manuals or books;
  3. Taking a writing course at college or online;
  4. Using a special free essay writing service, for example, WritingEssays.com.
The freshmen prefer using various tutorials, guide websites, and training book. Yet, without practice, it’s almost impossible to improve writing skills. That’s why it’s better to attend additional classes with a tutor or take extra courses. These methods are effective but not instant. Before you notice the first results, it may take a long time. Very often, students don’t have time.

If you think that downloading the ready papers on the Net is a good idea, you are wrong. Such samples are full of mistakes and inaccurate data. Moreover, it’s not always possible to find ready essays on the given topics. 

You can avoid all these problems by placing an order on the website WritingEssays.com. The service cooperates with the best writers from many countries, not only from the UK. It’s an ideal solution for those students who need high-quality papers on any topic. Moreover, you can’t but appreciate the service if you need flawless content for your researches or experiments. 

Everyone who has ever used professional essay service knows for sure that every paper is high-quality and mistake-free. It’s possible to pick up an expert even for the narrowest specialization. The writers are able to find all the needed  information, analyze, process it, and perform the best possible result. 

Free Essay Writing Service: How to Make the Most of Your Essay
To be fully satisfied with the ready assignment, it’s necessary to place your order in the right way. Moreover, you should know how free essay service works. WritingEssays.com has a user-friendly interface. You can get acquainted with examples of free essays. The experts work with a wide range of topics. They are ready to help if you need the following papers; 
  • Essays of any type: narrative, descriptive, expository, and persuasive.
  • Professional writers know the difference between these types. They all
  • have a different structure, aim, and vocabulary;
  • Book or movie review;
  • Research paper;
  • Dissertation;
  • Personal statement;
  • Papers for contests or tests.
Every writer has to pass a serious test before he or she starts writing custom essays. You may be sure that the experts use the right grammar structures and punctuation. Moreover, they check every sample. They pay attention to the readability of the text. Spelling mistakes are checked with the help of special tools. To avoid all types of mistakes, the experts proofread every paper page by page. 

If you decide to buy free essays, you should take the following steps: 
  • Choose the type of paper;
  • Define the number of pages. It’s also a good idea to notice the number of
  • paragraphs;
  • Deadlines. You should understand that it’s impossible to write a unique
  • dissertation in a couple of hours or even days.
The experts start writing an essay as soon as they get an order. They write every paper from scratch. It means plagiarism is out of the question. They use only reliable sites and programs to gather the needed data. 

WritingEssays.com is an effective way to cope even with the most complicated writing assignment. You may get the best grades for the tasks of any level of complexity.

Sunday, 3 May 2020

How to enable Intel VT-X or Intel virtualization technology from BIOS.

If you have encountered the error such as “"This hosting support Intel vt-x, but Intel VT-x is disabled" or – “This virtual ...

If you have encountered the error such as “"This hosting support Intel vt-x, but Intel VT-x is disabled" or – “This virtual machine is configured for 64-bit guest operating systems. 

However, 64-bit operation is not possible” while installing Virtual Machine in VMWARE. 

 In such a case, you have to enable intel virtualization technology from BIOS in order to install a virtual machine.

In my case, I am using HP Laptop and the key to enter the boot menu is ESC. It can be different for different manufactures. You can check for your computer. Sometimes it’s written at the bottom while system boots.  

Steps :
1. Reboot your computer and press the relevant key in order to enter into BIOS. 
2. Scroll different options using the keys written at the bottom.
3. Locate for VIRTUALISATION TECHNOLOGY. For my laptop, it was under system configuration.
4. Select VIRTUALISATION TECHNOLOGY,  Hit enter and choose enabled from the drop-down menu. 7. Save the settings before you exit. Now, try to install the virtual machine and you will be able to install any windows on VM Ware.

 

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