Merge branch 'main' into dotnet/net-7

.gitignore

@@ -0,0 +1,2 @@
+.venv
+site/

docs/C++/cpp.md

@@ -1,4 +1,4 @@
-# C/C++ Cheat Sheet
+# C/C++
 
 ## Naming convention
 

docs/bash/commands.md

@@ -82,7 +82,7 @@ cp SOURCE DESTINATION  # copy SOURCE to DESTINATION
 
 ### Files Permissions & Ownership
 
-![Linux Permissions](../.images/bash_files-permissions-and-ownership-basics-in-linux.png "files info and permissions")
+![Linux Permissions](../img/bash_files-permissions-and-ownership-basics-in-linux.png "files info and permissions")
 
 ```sh
 chmod MODE FILE  # change file (or directory) permissions

docs/bash/scripting.md

@@ -1,4 +1,4 @@
-# Bash Cheat Sheet
+# Bash Scripting
 
 [Bash Manual](https://www.gnu.org/software/bash/manual/)
 

docs/css/css.md

@@ -1,4 +1,4 @@
-# CSS Cheat Sheet
+# CSS
 
 ## Applying CSS to HTML
 
@@ -644,7 +644,7 @@ Specificity is usually the reason why CSS-rules don't apply to some elements whe
 
 ## Box Model
 
-![Box Model](../.images/css_box-model.png)
+![Box Model](../img/css_box-model.png)
 
 ### Padding
 

docs/database/mongo-db.md

@@ -277,7 +277,7 @@ Indexes are special data structures that store a small portion of the collection
 
 Indexes _slow down writing operations_ since the index must be updated at every writing.
 
-![IXSCAN](../.images/mongodb_ixscan.png ".find() using an index")
+![IXSCAN](../img/mongodb_ixscan.png ".find() using an index")
 
 ### [Index Types](https://docs.mongodb.com/manual/indexes/#index-types)
 
@@ -403,7 +403,7 @@ Shard components are:
 - A config server, instance of MongoDB which contains metadata on the cluster, that is the set of instances that have the shard data.
 - A router (or `mongos`), instance of MongoDB used to redirect the user instructions from the client to the correct server.
 
-![Shared Cluster](../.images/mongodb_shared-cluster.png "Components of a shared cluster")
+![Shared Cluster](../img/mongodb_shared-cluster.png "Components of a shared cluster")
 
 ### [Replica set](https://docs.mongodb.com/manual/replication/)
 

docs/dotnet/C#/C#.md

@@ -1286,7 +1286,7 @@ public static System.Collections.IEnumerable<int> IterateRange(int start = 0, in
 
 ## Structs (Custom Value Types) & Classes (Custom Reference Types)
 
-![reference-vs-value](../../.images/dotnet_pass-by-reference-vs-pass-by-value-animation.gif)
+![reference-vs-value](../../img/dotnet_pass-by-reference-vs-pass-by-value-animation.gif)
 
 **Structure** types have _value semantics_. That is, a variable of a structure type contains an _instance_ of the type.
 
@@ -2030,7 +2030,7 @@ Generic type parameters support covariance and contravariance to provide greater
 - **Contravariance**: Enables to use a more generic (less derived) type than originally specified.
 - **Invariance**: it's possible to use _only_ the type originally specified; so an invariant generic type parameter is neither covariant nor contravariant.
 
-![covariance-vs-contravariance](../../.images/dotnet_covariant_contravariant.png)
+![covariance-vs-contravariance](../../img/dotnet_covariant_contravariant.png)
 
 **NOTE**: annotate generic type parameters with `out` and `in` annotations to specify whether they should behave covariantly or contravariantly.
 

docs/dotnet/asp.net/blazor.md

@@ -9,8 +9,8 @@ Components are .NET C# classes built into .NET assemblies that:
 - Can be nested and reused.
 - Can be shared and distributed as Razor class libraries or NuGet packages.
 
-![Blazor Server Architecture](../../.images/dotnet_blazor-server.png)
-![Blazor WASM Architecture](../../.images/dotnet_blazor-webassembly.png)
+![Blazor Server Architecture](../../img/dotnet_blazor-server.png)
+![Blazor WASM Architecture](../../img/dotnet_blazor-webassembly.png)
 
 The component class is usually written in the form of a Razor markup page with a `.razor` file extension. Components in Blazor are formally referred to as *Razor components*.
 

docs/dotnet/asp.net/filters.md

@@ -13,8 +13,8 @@ Custom filters can be created to handle cross-cutting concerns. Examples of cros
 
 Filters run within the _ASP.NET Core action invocation pipeline_, sometimes referred to as the _filter pipeline_. The filter pipeline runs after ASP.NET Core selects the action to execute.
 
-![filter-pipeline-1](../../.images/dotnet_filter-pipeline-1.png)
-![filter-pipeline-2](../../.images/dotnet_filter-pipeline-2.png)
+![filter-pipeline-1](../../img/dotnet_filter-pipeline-1.png)
+![filter-pipeline-2](../../img/dotnet_filter-pipeline-2.png)
 
 ## **Filter types**
 

docs/dotnet/asp.net/middleware.md

@@ -23,7 +23,7 @@ When a middleware short-circuits, it's called a *terminal middleware* because it
 
 The ASP.NET Core request pipeline consists of a sequence of request delegates, called one after the other.
 
-![request-delegate-pipeline](../../.images/dotnet_request-delegate-pipeline.png)
+![request-delegate-pipeline](../../img/dotnet_request-delegate-pipeline.png)
 
 Each delegate can perform operations before and after the next delegate. Exception-handling delegates should be called early in the pipeline, so they can catch exceptions that occur in later stages of the pipeline. It's possible to chain multiple request delegates together with `Use`.
 
@@ -74,8 +74,8 @@ public class Startup
 
 ## Middleware Order
 
-![middleware-pipeline](../../.images/dotnet_middleware-pipeline.png)
-![mvc-endpoint](../../.images/dotnet_mvc-endpoint.png)
+![middleware-pipeline](../../img/dotnet_middleware-pipeline.png)
+![mvc-endpoint](../../img/dotnet_mvc-endpoint.png)
 
 The Endpoint middleware executes the filter pipeline for the corresponding app type.
 

docs/git/git.md

@@ -242,7 +242,7 @@ git checkout <primary_branch>
 git rebase <feature_branch>  # moves commits from the branch on top of master
 ```
 
-![branch](../.images/git_branches.png "how branches work")
+![branch](../img/git_branches.png "how branches work")
 
 ### Clone Branches
 

docs/html/html.md

@@ -1,4 +1,4 @@
-# HTML Cheat Sheet
+# HTML
 
 ## Terminology
 

docs/index.md

@@ -0,0 +1,4 @@
+# Programming Notes
+
+Personal notes on various programming languages to be used as quick reference.  
+Sum-up of personal knowledge.

docs/java/java-collection-framework.md

@@ -12,7 +12,7 @@ The **Java Collection Framework** is constituted by:
 - **Classes** that implement the interfaces using different data structures.
 - **Algorithms** consisting in methods to operate over a collection.
 
-![Java Collection Hierarchy](../.images/java_java-collection-framework.png "Java Collection Hierarchy")
+![Java Collection Hierarchy](../img/java_java-collection-framework.png "Java Collection Hierarchy")
 
 ## java.util.Collections
 

docs/java/java.md

@@ -1,4 +1,4 @@
-# Java Cheat Sheet
+# Java
 
 ```java
 //single line comment

docs/javascript/events-animation.md

@@ -44,7 +44,7 @@ let event = new CustomEvent(type, { detail: /* custom data */ });  // create eve
 domNode.dispatchEvent(event);  // launch the event
 ```
 
-![Event Inheritance](../.images/javascript_event-inheritance.png)
+![Event Inheritance](../img/javascript_event-inheritance.png)
 
 ## Animation
 

docs/javascript/javascript.md

@@ -1,4 +1,4 @@
-# JavaScript Cheat Sheet
+# JavaScript 
 
 ## Basics
 

docs/javascript/jquery.md

@@ -6,7 +6,7 @@
 
 ```html
 <head>
-    <script src="jquery-3.2.1.min.js"></script>
+    <script src="jquery-x.x.x.min.js"></script>
 </head>
 ```
 
@@ -14,13 +14,13 @@
 
 ```html
 <head>
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/x.x.x/jquery.min.js"></script>
 </head>
 
 <!-- OR -->
 
 <head>
-    <script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.5.1.min.js"></script>
+    <script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-x.x.x.min.js"></script>
 </head>
 ```
 

docs/javascript/react/react-router.md

@@ -67,12 +67,12 @@ function Component(props) {
 ### Redirecting
 
 ```js
-import { Redirect } from "react-router-dom";
+import { Navigate } from "react-router-dom";
 
-// redirects to another URL, should'nt be rendered on component mount but after an action
-<Redirect to="/route" />
-<Redirect from="/old-route" to="/new-route" />
-{ condition &&  <Redirect to="/route" /> }  // redirect if condition is true
+// redirects to another URL on render, shouldn't be rendered on component mount but after an action
+<Navigate to="/route" />
+<Navigate from="/old-route" to="/new-route" />
+{ condition &&  <Navigate to="/route" /> }  // redirect if condition is true
 
 // or redirect manipulating the history (always in props)
 props.history.push("/new-route");

docs/kotlin/kotlin.md

@@ -1,4 +1,4 @@
-# Kotlin Cheat Sheet
+# Kotlin
 
 ## Package & Imports
 

docs/php/php.md

@@ -1,4 +1,4 @@
-# PHP CheatSheet
+# PHP
 
 [PHP Docs](https://www.php.net/docs.php)
 

docs/powershell/scripting.md

@@ -1,4 +1,4 @@
-# PowerShell Cheat Sheet
+# PowerShell Scripting
 
 Cmdlets are formed by a verb-noun pair. Cmdlets are case-insensitive.
 

docs/python/csv.md

@@ -1,5 +1,5 @@
 
-# CSV Module Cheat Sheet
+# CSV Module
 
 ``` python
 # iterate lines of csvfile

docs/python/json.md

@@ -1,4 +1,4 @@
-# JSON Module Cheat Sheet
+# JSON Module
 
 ## JSON Format
 

docs/python/libs/tkinter.md

@@ -1,4 +1,4 @@
-# Tkinter Module/Library Cheat Sheet
+# Tkinter Module/Library
 
 ## Standard Imports
 

docs/python/logging.md

@@ -69,12 +69,12 @@ logging.disable(level=LOG_LEVEL)
 
 Log Levels (Low To High):
 
-- NOTSET -- 0
-- DEBUG -- 10
-- INFO -- 20
-- WARNING -- 30
-- ERROR -- 40
-- CRITICAL -- 50
+- default: `0`
+- debug: `10`
+- info: `20`
+- warning: `30`
+- error: `40`
+- critical: `50`
 
 ```python
 logging.debug(msg)  # Logs a message with level DEBUG on the root logger