NaveenCoder

Hi ,i am a beginner and i don't want to screw-up SEO.i am thinking about using material-ui component library. material-ui have components like AppBar , ToolBar i am not sure whether they are using corresponding HTML tags for appropriate purpose. so , how can i make sure that i am not screwing-up SEO?

I am a beginner. When I write vue directives like v-bind , v-if in source code HTML it is there. But when I open the web page there is no directives inside the HTML of the page. How does this happens? Where does directives are stored? How does vuejs compilation takes place? I want to understand the magic.

Kindly help me out!

Whenever i read code like " post.objects.all()" i understand post is a class that extends models.Model class. But i can't understand what is "objects" in "post.objects.all()". Please help me to understand how oop works in django in-depth.

I find there is lot less resources for django 2. Can i learn django 1.11 ?

i am wondering how the python code inside the template file runs. i am a beginner. googled a bit and find out that the template is converted to python code. so do we have any compiler that understands DJANGO TEMPLATE LANGUAGE and converts it to python code. if so , the compilation happens only once? or every time we request a page which uses that template?

path('str:input\_string',views.output_string,name="string url")

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if the string has slash in it , it is treated as a separate path. but i want to treat it as a string even though it has '/' in it.

latest_question_list = Question.objects.order_by('-pub_date')[:5]

above "[:5]" is used after function call and it is confusing. anyone could explain?

Why do we have the concept of one to one , one to many , many to many relationship in databases?

How do they help us? What we cannot do without them?

I googled and found that django template language is nearly 10 times slower than that of jinja2. Please share your experiences and reviews.

I can't understand why we need to encode certain characters in url? I mean %encoding. I did a lot of google search still can't figure out exactly what's the point behind this! Could anyone help me out with this?

I can't understand the need of url encoding and why some characters are safe and other characters are unsafe? I tried different resources to understand. But i really can't understand the point of url encoding.

I learned basics of Django and i want to master django in-depth step by step.