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Example of simple jsTree with tri-state checkbox

Submitted by Asif Nowaj, Last Modified on 2019-11-08

jsTree is jquery plugin, that provides interactive trees. jsTree is easily extendable, themable and configurable. One of noticeable feature is its tri-state checkbox. States are checked, unchecked and indeterminate.
Indeterminate state is when not all child items are checked then the check state of the parent becomes indeterminate.

Like below, the state of "Root node 2" is Indeterminate as not all child nodes are checked.

Polymorphic Species

Submitted by Mousumi Sepai, Last Modified on 2019-11-08

Polymorphic species are referred to those species which have different forms arise from the same genotype. This term is called Polymorphism. In biology, Polymorphism helps to notice the discontinue genetic variation which resulted in the happening of various different forms or types in individuals among the members of a single species. Polymorphism helps to make the difference of two or more clearly different morphs or forms and also referred to as alternative phenotypes, in the population of a species.

Upgrade EntiryFramework 5.0.0 to 6.2.0 changes

Submitted by Asif Nowaj, Last Modified on 2019-11-08

If you are migrating your application where Entity Framework 5.0.0 (EF 5) is used, to latest .NET framework 4.8 from 4.6 range, then after upgrading your .NET framework, you will be advised to upgrade Entity Framework as well.

Once I upgraded Entity Framework to 6.2.0 (EF 6), we have encountered with some compilation issue. like below:

Operator '==' cannot be applied to operands of type 'EntityState' and 'EntityState'

Do not worry, this is not a huge change.

How to enable TLS protocols in browsers

Submitted by Asif Nowaj, Last Modified on 2019-11-08

Why you are here, I am guessing...

If you are here, looking for how to enable latest TLS protocols in your browsers like Chrome, Firefox, Opera, Internet Explorer or Edge, then probably you are already aware of TLS and TLS 1.2 needs be used very soon.
If you have one more minute, you can check out What Is TLS? . Here, you can see which version of TLS is deprecating when and what TLS version you ultimately need to focus on.

What is TLS?

Submitted by Asif Nowaj, Last Modified on 2019-11-08

There are many articles on this topic and you can see for more details.

In a simple way, Transport Layer Security (TLS) is an encryption protocol that is used to determine the agreed data encryption/decryption mechanism while communicating between two computers [server and client]. It secures the data while data travels over internet from one machine to another.