chore: refactor/clean/spelling/info (#233)

CONTRIBUTING.md

@@ -67,8 +67,8 @@ We have a lot of unit tests, most of which are of "integration" type, e.g. test
 
 ## Dependencies
 
-QuestDB does not have dependencies. This may sound unorthodox but in realitiy we try not to reinvent the wheel but rather than using libraries we
-implement best algorithms ourselves to ensure perfect fit with existing code. With that in mind we expect contribitions that do not add third-party dependencies.
+QuestDB does not have dependencies. This may sound unorthodox but in reality we try not to reinvent the wheel but rather than using libraries we
+implement best algorithms ourselves to ensure perfect fit with existing code. With that in mind we expect contributions that do not add third-party dependencies.
 
 ## Allocations, "new" operator and garbage collection
 
@@ -77,7 +77,7 @@ contribute zero-GC code, do not hesitate to reach out!
 
 ## Committing
 
-We use [Conventional commits](https://www.conventionalcommits.org/en/v1.0.0/) to auto-generate release notes. We require all commit comments to conform. To that end commits have to be granular enough to be successfuly described using this method.
+We use [Conventional commits](https://www.conventionalcommits.org/en/v1.0.0/) to auto-generate release notes. We require all commit comments to conform. To that end commits have to be granular enough to be successfully described using this method.
 
 ## Squashing commits
 

core/README.md

@@ -4,7 +4,7 @@ To build docker images successfully please follow these instructions precisely.
 
 - Use Windows OS. Docker Desktop might also work on Mac, but not on Linux.
 - Download Docker Desktop _Edge_. At the time of writing (Nov 2019) only Edge version is able to build ARM63 images and help create multi-platform manifest.
-- Ensure "experiemental" features are enabled.
+- Ensure "experimental" features are enabled.
 
 To verify that your Docker Desktop is good to go try the following command:
 
@@ -76,7 +76,7 @@ docker push questdb/questdb:4.0.0-windows-amd64
 
 ### Create manifest
 
-The purpose of the manifest is to simplify image usage by end user. They will just hopefully install `questdb/questdb` and Docker Hub sill figure out appropriate image for target paltform.
+The purpose of the manifest is to simplify image usage by end user. They will just hopefully install `questdb/questdb` and Docker Hub sill figure out appropriate image for target platform.
 
 ```
 docker manifest create questdb/questdb:4.0.0 questdb/questdb:4.0.0-linux-arm64 questdb/questdb:4.0.0-linux-amd64 questdb/questdb:4.0.0-windows-amd64

core/src/main/c/windows/errno.h

-//
-// Created by Vlad Ilyushchenko on 03/10/2017.
-//
-
 #ifndef ZLIB_ERRNO_H
 #define ZLIB_ERRNO_H
 

core/src/main/java/io/questdb/std/AbstractCharSequenceHashSet.java

@@ -139,7 +139,7 @@ public abstract class AbstractCharSequenceHashSet implements Mutable {
     /**
      * Erases entry in array.
      *
-     * @param index always posititive, no arithmetic required.
+     * @param index always positive, no arithmetic required.
      */
     abstract protected void erase(int index);
 

core/src/main/java/io/questdb/std/time/DateFormat.java

@@ -28,7 +28,7 @@ import io.questdb.std.NumericException;
 import io.questdb.std.str.CharSink;
 
 /**
- * Instances of DateFormat do not have state. They are thread-safe. In that multuple threads can use
+ * Instances of DateFormat do not have state. They are thread-safe. In that multiple threads can use
  * same DateFormat instance without disk of data corruption.
  */
 public interface DateFormat {

win64svc/src/common.h

-//
-// Created by Vlad Ilyushchenko on 06/08/2016.
-//
 #ifndef WIN64SVC_COMMON_H
 #define WIN64SVC_COMMON_H