public class SimpleImage
extends java.lang.Object
| Modifier and Type | Field and Description |
|---|---|
static int |
AXIS_X
Used for
mirror(int) . |
static int |
AXIS_Y
Used for
mirror(int) . |
static RotationAlgorithm |
ROTATE_BILINEAR_INTERPOLATION
|
static RotationAlgorithm |
ROTATE_NEAREST_NEIGHBOUR
|
static ScaleAlgorithm |
SCALE_BILINEAR_INTERPOLATION
|
static ScaleAlgorithm |
SCALE_NEAREST_NEIGHBOUR
|
| Constructor and Description |
|---|
SimpleImage()
Takes a screenshot and initializes the instance with it's data.
|
SimpleImage(java.io.File file)
Loads an image from a file.
|
SimpleImage(java.io.File zipFile,
java.lang.String entry)
Loads an image from a zip file.
|
SimpleImage(java.awt.Image image)
Wraps an instance of Image into a new instance of SimpleImage.
|
SimpleImage(java.io.InputStream inputStream)
Loads an image from an input stream.
|
SimpleImage(int[][] data)
Wraps already existing data into an instance of SimpleImage.
|
SimpleImage(int width,
int height)
Creates a new image with the given size.
|
SimpleImage(java.nio.file.Path file)
Loads an image from a file.
|
SimpleImage(java.nio.file.Path zipFile,
java.lang.String entry)
Loads an image from a zip file.
|
SimpleImage(java.lang.String file)
Loads an image from a file.
|
SimpleImage(java.lang.String zipFile,
java.lang.String entry)
Loads an image from a zip file.
|
SimpleImage(java.net.URI uri)
Loads an image from an URI.
|
SimpleImage(java.net.URL url)
Loads an image from an URL.
|
| Modifier and Type | Method and Description |
|---|---|
SimpleImage |
copy()
Copies the image data into a new image.
|
Atlas |
createAtlas(java.lang.String name)
Creates a new atlas.
|
SimpleImage |
crop(int x,
int y,
java.awt.Dimension size)
Crops out the given box from the image.
|
SimpleImage |
crop(int x,
int y,
int width,
int height)
Crops out the given box from the image.
|
SimpleImage |
crop(java.awt.Point position,
java.awt.Dimension size)
Crops out the given box from the image.
|
SimpleImage |
crop(java.awt.Point position,
int width,
int height)
Crops out the given box from the image.
|
SimpleImage |
crop(java.awt.Rectangle bounds)
Crops out the given box from the image.
|
SimpleImage |
cut(int x,
int y,
java.awt.Dimension size)
Cuts out a part of the image and deletes it in the source image.
|
SimpleImage |
cut(int x,
int y,
int width,
int height)
Cuts out a part of the image and deletes it in the source image.
|
SimpleImage |
cut(java.awt.Point position,
java.awt.Dimension size)
Cuts out a part of the image and deletes it in the source image.
|
SimpleImage |
cut(java.awt.Point position,
int width,
int height)
Cuts out a part of the image and deletes it in the source image.
|
SimpleImage |
cut(java.awt.Rectangle bounds)
Cuts out a part of the image and deletes it in the source image.
|
SimpleImage |
delete(int x,
int y,
java.awt.Dimension size)
Removes the pixels inside the given box.
|
SimpleImage |
delete(int x,
int y,
int width,
int height)
Removes the pixels inside the given box.
|
SimpleImage |
delete(java.awt.Point position,
java.awt.Dimension size)
Removes the pixels inside the given box.
|
SimpleImage |
delete(java.awt.Point position,
int width,
int height)
Removes the pixels inside the given box.
|
SimpleImage |
delete(java.awt.Rectangle bounds)
Removes the pixels inside the given box.
|
SimpleImage |
filter(Filter filter)
Applies a filter to the image.
|
SimpleImage |
filter(Filter filter,
int x,
int y,
int width,
int height)
Applies a filter to the image.
|
Atlas |
getAtlas(java.lang.String name) |
java.util.List<Atlas> |
getAtlases() |
static SimpleImage |
getClipboardImage() |
int[][] |
getData() |
int |
getHeight() |
int |
getNumberOfAtlases() |
int |
getPixel(int x,
int y) |
int |
getWidth() |
SimpleImage |
mirror(int axis)
Mirrors the image on the given axis.
|
void |
paint(java.util.function.Consumer<java.awt.Graphics2D> callback)
Allows you to use the Graphics2D class to paint directly to the image.
|
void |
putOnClipboard()
Puts this image onto the clipboard.
|
void |
putOnClipboard(int type)
Puts this image onto the clipboard.
|
SimpleImage |
rotate(double degrees)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
java.awt.Dimension size)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
java.awt.Dimension size,
java.awt.Point rotationCenter)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
java.awt.Dimension size,
java.awt.Point rotationCenter,
RotationAlgorithm algorithm)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
java.awt.Dimension size,
RotationAlgorithm algorithm)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
int width,
int height,
int rotationCenterX,
int rotationCenterY)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
int width,
int height,
int rotationCenterX,
int rotationCenterY,
RotationAlgorithm algorithm)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
java.awt.Point rotationCenter)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
java.awt.Point rotationCenter,
RotationAlgorithm algorithm)
Rotates the image.
|
SimpleImage |
rotate(double degrees,
RotationAlgorithm algorithm)
Rotates the image.
|
SimpleImage |
scale(java.awt.Dimension size)
Scales the image to the given size.
|
SimpleImage |
scale(java.awt.Dimension size,
ScaleAlgorithm algorithm)
Scales the image to the given size.
|
SimpleImage |
scale(int width,
int height)
Scales the image to the given size.
|
SimpleImage |
scale(int width,
int height,
ScaleAlgorithm algorithm)
Scales the image to the given size.
|
SimpleImage |
scaleByFactor(float factor)
Scales the image by the given factor.
|
SimpleImage |
scaleByFactor(float factor,
ScaleAlgorithm algorithm)
Scales the image by the given factor.
|
SimpleImage |
scaleToFit(java.awt.Dimension size)
Scales the image proportional to fit the given size.
|
SimpleImage |
scaleToFit(java.awt.Dimension size,
ScaleAlgorithm algorithm)
Scales the image proportional to fit the given size.
|
SimpleImage |
scaleToFit(int width,
int height)
Scales the image proportional to fit the given size.
|
SimpleImage |
scaleToFit(int width,
int height,
ScaleAlgorithm algorithm)
Scales the image proportional to fit the given size.
|
void |
setPixel(int x,
int y,
int pixel)
Sets the pixel on the given position.
|
void |
setPixel(java.awt.Point position,
int pixel)
Sets the pixel on the given position.
|
void |
show()
Creates a JFrame showing this image.
|
byte[] |
toBase64()
Encodes the binary data of the image into Base64.
|
byte[] |
toBase64(int type)
Encodes the binary data of the image into Base64.
|
byte[] |
toBase64(java.lang.String format)
Encodes the binary data of the image into Base64.
|
byte[] |
toBase64(java.lang.String format,
int type)
Encodes the binary data of the image into Base64.
|
byte[] |
toBinary() |
byte[] |
toBinary(int type) |
byte[] |
toBinary(java.lang.String format) |
byte[] |
toBinary(java.lang.String format,
int type) |
java.awt.image.BufferedImage |
toBufferedImage()
Converts the image into an instance of BufferedImage.
|
java.awt.image.BufferedImage |
toBufferedImage(int type)
Converts the image into an instance of BufferedImage.
|
TransferableImage |
toTransferableImage()
Wraps the image into a TransferableImage.
|
TransferableImage |
toTransferableImage(int type)
Wraps the image into a TransferableImage.
|
void |
write(java.io.OutputStream outputStream)
Writes the binary data of the image on an output stream.
|
void |
write(java.io.OutputStream outputStream,
int type)
Writes the binary data of the image on an output stream.
|
void |
write(java.io.OutputStream outputStream,
java.lang.String format)
Writes the binary data of the image on an output stream.
|
void |
write(java.io.OutputStream outputStream,
java.lang.String format,
int type)
Writes the binary data of the image on an output stream.
|
public static final int AXIS_X
mirror(int)
. Represents the X axis of an image.public static final int AXIS_Y
mirror(int)
. Represents the Y axis of an image.public static final ScaleAlgorithm SCALE_NEAREST_NEIGHBOUR
scale(int, int, ScaleAlgorithm)
, scaleByFactor(float, ScaleAlgorithm)
and scaleToFit(int, int, ScaleAlgorithm)
.
A simple and really fast scaling algorithm that produces images with low quality. Recommended for pixel arts or thumbnails.public static final ScaleAlgorithm SCALE_BILINEAR_INTERPOLATION
scale(int, int, ScaleAlgorithm)
, scaleByFactor(float, ScaleAlgorithm)
and scaleToFit(int, int, ScaleAlgorithm)
.
A bit more complex than SCALE_NEAREST_NEIGHBOUR
causing it to be slower, but the quality of resulting images is better.public static final RotationAlgorithm ROTATE_BILINEAR_INTERPOLATION
rotate(double, RotationAlgorithm)
, rotate(double, Dimension, RotationAlgorithm)
, rotate(double, int, int, int, int, RotationAlgorithm)
and rotate(double, Dimension, Point, RotationAlgorithm)
.
Not as fast as ROTATE_NEAREST_NEIGHBOUR
but it produces better results.public static final RotationAlgorithm ROTATE_NEAREST_NEIGHBOUR
rotate(double, RotationAlgorithm)
, rotate(double, Dimension, RotationAlgorithm)
, rotate(double, int, int, int, int, RotationAlgorithm)
and rotate(double, Dimension, Point, RotationAlgorithm)
.
Fast rotation algorithm.public SimpleImage() throws java.awt.AWTException
java.awt.AWTException
- if the platform configuration does not allow low-level input control. This exception is always thrown when GraphicsEnvironment.isHeadless()
returns true
public SimpleImage(int[][] data)
data
- the already existing image datapublic SimpleImage(int width, int height)
width
- width of the imageheight
- height of the imagepublic SimpleImage(java.awt.Image image)
image
- Image to wrappublic SimpleImage(java.lang.String file) throws java.io.IOException
file
- object representing the filejava.io.IOException
- if an error occurs during reading.public SimpleImage(java.nio.file.Path file) throws java.io.IOException
file
- object representing the filejava.io.IOException
- if an error occurs during reading.public SimpleImage(java.io.File file) throws java.io.IOException
file
- object representing the filejava.io.IOException
- if an error occurs during reading.public SimpleImage(java.net.URL url) throws java.io.IOException
url
- object representing the URLjava.io.IOException
- if an error occurs during reading.public SimpleImage(java.net.URI uri) throws java.io.IOException
uri
- object representing the URIjava.io.IOException
- if an error occurs during reading.public SimpleImage(java.lang.String zipFile, java.lang.String entry) throws java.io.IOException
zipFile
- object representig the zip fileentry
- name of the zip entryjava.io.IOException
- if an error occurs during reading.public SimpleImage(java.io.File zipFile, java.lang.String entry) throws java.io.IOException
zipFile
- object representig the zip fileentry
- name of the zip entryjava.io.IOException
- if an error occurs during reading.public SimpleImage(java.nio.file.Path zipFile, java.lang.String entry) throws java.io.IOException
zipFile
- object representig the zip fileentry
- name of the zip entryjava.io.IOException
- if an error occurs during reading.public SimpleImage(java.io.InputStream inputStream) throws java.io.IOException
inputStream
- the input stream to read the data fromjava.io.IOException
- if an error occurs during reading.public void paint(java.util.function.Consumer<java.awt.Graphics2D> callback)
callback
- the callback function to usepublic void write(java.io.OutputStream outputStream) throws java.io.IOException
outputStream
- output stream to write the data onjava.io.IOException
- if an error occurs during writing.public void write(java.io.OutputStream outputStream, java.lang.String format) throws java.io.IOException
outputStream
- output stream to write the data onformat
- image format to usejava.io.IOException
- if an error occurs during writing.public void write(java.io.OutputStream outputStream, int type) throws java.io.IOException
outputStream
- output stream to write the data ontype
- the color modeljava.io.IOException
- if an error occurs during writing.public void write(java.io.OutputStream outputStream, java.lang.String format, int type) throws java.io.IOException
outputStream
- output stream to write the data onformat
- image format to usetype
- the color modeljava.io.IOException
- if an error occurs during writing.public void setPixel(java.awt.Point position, int pixel)
position
- target positionpixel
- new color of the pixelpublic void setPixel(int x, int y, int pixel)
x
- target X positiony
- target Y positionpixel
- new color of the pixelpublic SimpleImage mirror(int axis)
axis
- axis to mirror the image onpublic SimpleImage rotate(double degrees)
degrees
- degrees by which the image should rotatepublic SimpleImage rotate(double degrees, RotationAlgorithm algorithm)
degrees
- degrees by which the image should rotatealgorithm
- algorithm with which the image should rotatepublic SimpleImage rotate(double degrees, java.awt.Dimension size) throws java.lang.IllegalArgumentException
degrees
- degrees by which the image should rotatesize
- size of the resulting imagejava.lang.IllegalArgumentException
- If the size is smaller than 1x1public SimpleImage rotate(double degrees, java.awt.Dimension size, RotationAlgorithm algorithm) throws java.lang.IllegalArgumentException
degrees
- degrees by which the image should rotatesize
- size of the resulting imagealgorithm
- algorithm with which the image should rotatejava.lang.IllegalArgumentException
- If the size is smaller than 1x1public SimpleImage rotate(double degrees, java.awt.Point rotationCenter)
degrees
- degrees by which the image should rotaterotationCenter
- center of rotationpublic SimpleImage rotate(double degrees, java.awt.Point rotationCenter, RotationAlgorithm algorithm)
degrees
- degrees by which the image should rotaterotationCenter
- center of rotationalgorithm
- algorithm with which the image should rotatepublic SimpleImage rotate(double degrees, java.awt.Dimension size, java.awt.Point rotationCenter) throws java.lang.IllegalArgumentException
degrees
- degrees by which the image should rotatesize
- size of the resulting imagerotationCenter
- center of rotationjava.lang.IllegalArgumentException
- If the size is smaller than 1x1public SimpleImage rotate(double degrees, java.awt.Dimension size, java.awt.Point rotationCenter, RotationAlgorithm algorithm) throws java.lang.IllegalArgumentException
degrees
- degrees by which the image should rotatesize
- size of the resulting imagerotationCenter
- center of rotationalgorithm
- algorithm with which the image should rotatejava.lang.IllegalArgumentException
- If the size is 1x1public SimpleImage rotate(double degrees, int width, int height, int rotationCenterX, int rotationCenterY) throws java.lang.IllegalArgumentException
degrees
- degrees by which the image should rotatewidth
- width of the resulting imageheight
- height of the resulting imagerotationCenterX
- X position of the rotation centerrotationCenterY
- Y position of the rotation centerjava.lang.IllegalArgumentException
- If the size is smaller than 1x1public SimpleImage rotate(double degrees, int width, int height, int rotationCenterX, int rotationCenterY, RotationAlgorithm algorithm) throws java.lang.IllegalArgumentException
degrees
- degrees by which the image should rotatewidth
- width of the resulting imageheight
- height of the resulting imagerotationCenterX
- X position of the rotation centerrotationCenterY
- Y position of the rotation centeralgorithm
- algorithm with which the image should rotatejava.lang.IllegalArgumentException
- If the size is smaller than 1x1public SimpleImage filter(Filter filter, int x, int y, int width, int height)
filter
- filter to usex
- X position on which the filter startsy
- Y position on which the filter startswidth
- width of the area the filter should work inheight
- height of the area the filter should work inpublic SimpleImage filter(Filter filter)
filter
- filter to usepublic SimpleImage scaleByFactor(float factor)
factor
- factor by which the image should be scaledpublic SimpleImage scaleByFactor(float factor, ScaleAlgorithm algorithm)
factor
- factor by which the image should be scaledalgorithm
- algorithm to scale the image withpublic SimpleImage scaleToFit(int width, int height) throws java.lang.IllegalArgumentException
width
- maximum width of the resulting imageheight
- maximum height of the resulting imagejava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scaleToFit(java.awt.Dimension size) throws java.lang.IllegalArgumentException
size
- maximum size of the resulting imagejava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scaleToFit(java.awt.Dimension size, ScaleAlgorithm algorithm) throws java.lang.IllegalArgumentException
size
- maximum size of the resulting imagealgorithm
- algorithm to scale the image withjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scaleToFit(int width, int height, ScaleAlgorithm algorithm) throws java.lang.IllegalArgumentException
width
- maximum width of the resulting imageheight
- maximum height of the resulting imagealgorithm
- algorithm to scale the image withjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scale(int width, int height) throws java.lang.IllegalArgumentException
width
- width of the resulting imageheight
- height of the resulting imagejava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scale(java.awt.Dimension size) throws java.lang.IllegalArgumentException
size
- size of the resulting imagejava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scale(java.awt.Dimension size, ScaleAlgorithm algorithm) throws java.lang.IllegalArgumentException
size
- size of the resulting imagealgorithm
- algorithm to scale the image withjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage scale(int width, int height, ScaleAlgorithm algorithm) throws java.lang.IllegalArgumentException
width
- width of the resulting imageheight
- height of the resulting imagealgorithm
- algorithm to scale the image withjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage cut(java.awt.Point position, int width, int height) throws java.lang.IllegalArgumentException
position
- position of the part which should be cut outwidth
- width of the part which should be cut outheight
- height of the part which should be cut outjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage cut(int x, int y, java.awt.Dimension size) throws java.lang.IllegalArgumentException
x
- X position of the part which should be cut outy
- Y position of the part which should be cut outsize
- size of the part which should be cut outjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage cut(java.awt.Point position, java.awt.Dimension size) throws java.lang.IllegalArgumentException
position
- position of the part which should be cut outsize
- size of the part which should be cut outjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage cut(java.awt.Rectangle bounds) throws java.lang.IllegalArgumentException
bounds
- bounds of the part which should be cut outjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage cut(int x, int y, int width, int height) throws java.lang.IllegalArgumentException
x
- X position of the part which should be cut outy
- Y position of the part which should be cut outwidth
- width of the part which should be cut outheight
- height of the part which should be cut outjava.lang.IllegalArgumentException
- If width or height is smaller than 1public SimpleImage delete(java.awt.Rectangle bounds)
bounds
- bounds in which all pixels should be deletedpublic SimpleImage delete(java.awt.Point position, java.awt.Dimension size)
position
- position of the part which should be deletedsize
- size of the part which should be deletedpublic SimpleImage delete(java.awt.Point position, int width, int height)
position
- position of the part which should be deletedwidth
- width of the part which should be deletedheight
- height of the part which should be deletedpublic SimpleImage delete(int x, int y, java.awt.Dimension size)
x
- X position of the part which should be deletedy
- Y position of the part which should be deletedsize
- size of the part which should be deletedpublic SimpleImage delete(int x, int y, int width, int height)
x
- X position of the part which should be deletedy
- Y position of the part which should be deletedwidth
- width of the part which should be deletedheight
- height of the part which should be deletedpublic SimpleImage crop(java.awt.Rectangle bounds) throws java.lang.IllegalArgumentException
bounds
- bounds of the part which should be croppedjava.lang.IllegalArgumentException
- If width or height of the new image are smaller than 1public SimpleImage crop(java.awt.Point position, java.awt.Dimension size) throws java.lang.IllegalArgumentException
position
- position of the part which should be croppedsize
- size of the part which should be croppedjava.lang.IllegalArgumentException
- If width or height of the new image are smaller than 1public SimpleImage crop(int x, int y, java.awt.Dimension size) throws java.lang.IllegalArgumentException
x
- X position of the part which should be croppedy
- Y position of the part which should be croppedsize
- size of the part which should be croppedjava.lang.IllegalArgumentException
- If width or height of the new image are smaller than 1public SimpleImage crop(java.awt.Point position, int width, int height) throws java.lang.IllegalArgumentException
position
- position of the part which should be croppedwidth
- width of the part which should be croppedheight
- height of the part which should be croppedjava.lang.IllegalArgumentException
- If width or height of the new image are smaller than 1public SimpleImage crop(int x, int y, int width, int height) throws java.lang.IllegalArgumentException
x
- X position of the part which should be croppedy
- Y position of the part which should be croppedwidth
- width of the part which should be croppedheight
- height of the part which should be croppedjava.lang.IllegalArgumentException
- If width or height of the new image are smaller than 1public SimpleImage copy()
public int getWidth()
public int getHeight()
public int getPixel(int x, int y)
x
- X positiony
- Y positionpublic TransferableImage toTransferableImage()
public TransferableImage toTransferableImage(int type)
type
- color model of the resulting imagepublic java.awt.image.BufferedImage toBufferedImage()
public java.awt.image.BufferedImage toBufferedImage(int type)
type
- Type of the resulting BufferedImagepublic byte[] toBase64() throws java.io.IOException
java.io.IOException
- if an error occurs during writing.public byte[] toBase64(int type) throws java.io.IOException
type
- the color model of the imagejava.io.IOException
- if an error occurs during writing.public byte[] toBase64(java.lang.String format) throws java.io.IOException
format
- image formatjava.io.IOException
- if an error occurs during writing.public byte[] toBase64(java.lang.String format, int type) throws java.io.IOException
format
- image formattype
- the color model of the imagejava.io.IOException
- if an error occurs during writing.public byte[] toBinary() throws java.io.IOException
java.io.IOException
- if an error occurs during writing.public byte[] toBinary(int type) throws java.io.IOException
type
- color model of the imagejava.io.IOException
- if an error occurs during writing.public byte[] toBinary(java.lang.String format) throws java.io.IOException
format
- image formatjava.io.IOException
- if an error occurs during writing.public byte[] toBinary(java.lang.String format, int type) throws java.io.IOException
format
- image formattype
- the color model of the imagejava.io.IOException
- if an error occurs during writing.public int[][] getData()
public void putOnClipboard()
public void putOnClipboard(int type)
type
- color model of the resulting imagepublic Atlas createAtlas(java.lang.String name) throws java.lang.IllegalArgumentException
name
- name of the atlasjava.lang.IllegalArgumentException
- If an atlas with the given name already existspublic Atlas getAtlas(java.lang.String name)
name
- name of the atlaspublic java.util.List<Atlas> getAtlases()
public int getNumberOfAtlases()
public static final SimpleImage getClipboardImage() throws java.awt.datatransfer.UnsupportedFlavorException, java.io.IOException
null
if there is no readable image on the clipboard.java.awt.datatransfer.UnsupportedFlavorException
- if the requested data flavor is not supportedjava.io.IOException
- if the data is no longer available in the requested flavorpublic void show()


If you'd like to create the next SnapChat, proceed.
If you'd like to be the creator of a new and improved SnapChat, read on.
You still there? Awesome. Thanks for checking out our tutorial!
Today you'll learn how to create your first functional, peer to peer, chat app. For many beginner JavaScript developers, building one of these has become somewhat of a rite of passage so congratulations, welcome to the club. Chatapp projects are a good place to test your budding Javascript skills because it's framework comprise of complex yet accessible parts.
Here, we'll show you the basic framework. And from the framework, we'll go on to teach you how to style, test, and host your site! Sounds like a lot right? Don't panic, youre in good hand. By the end of our tutorial, you'll be able to build features that go above and beyond the SnapChat-standard.
We'll teach you what a server and client does and of course give you instruction on the code to make the server and client connect with each other.
By the end you will have learned: how to create a server and client, how to get them communicating with each other, how to style the app, how to test it, how to host it, and finally, how to impress the internet by pushing your code to Github.
A WebSocket is a technology, based on the WS protocol, that makes it possible to establish a continuous full-duplex connection stream between a client and a server. A typical WebSocket client would be a user's browser, but the protocol is platform independent. The WebSocket API is available to JavaScript code whose scope is either a DOM Window object or any object implementing WorkerUtil.
The WebSockets API was originally part of the HTML5 standard, but it has been split off into a separate W3C standard. The WebSockets protocol is an IETF standard described in RFC 6455. The WebSockets API has full browser support in Chrome 14, Firefox 6, IE 10 (desktop and mobile), Opera 12.1 (desktop and moblie), Safari 6.0 (desktop and mobile), Android 4.4, Chrome Mobile, and Firefox Mobile. Some older browsers have partial support or can be supported using a Flash based fallback.
This simple example creates a new WebSocket, connecting to the server at:
var WebSocket = require("ws");
var ws = new WebSocket("ws://localhost:3000");
ws.on("open", function () {
console.log("Connected to server.");
});
The git init command creates a new Git repository. It can be used to convert an existing, unversioned project to a Git repository or initialize a new empty repository. Most of the other Git commands are not available outside of an initialized repository, so this is usually the first command you’ll run in a new project.
The git clone command copies an existing Git repository. This is sort of like svn checkout, except the “working copy” is a full-fledged Git repository—it has its own history, manages its own files, and is a completely isolated environment from the original repository.
The git config command lets you configure your Git installation (or an individual repository) from the command line. This command can define everything from user info to preferences to the behavior of a repository. Several common configuration options are listed below.
Linktos or Asides or Syntax Bubble:
Executing git init creates a .git subdirectory in the project root, which contains all of the necessary metadata for the repo, and makes it possible to start recording revisions of the project..
$ git clone <repository link>
Clone the repository located at
To update your local repository to the newest commit, execute git pull in your working directory to fetch and merge remote changes.
Assuming you've already created a folder inside your text editor. Now its time to create a github repo and push to github.
Navigate to the working directory
$ cd tutorialChatApp
Check status & proceed
$ git status
Add any changes - note add .
will add all but you can also specify files
$ git add .
Commit your changes - whatever you write here will help in tracking changes
$ git commit -m "First commit"
Your changes are now in your local working copy.
Push up to git via https (not SSH)- granted you have no troubles with your log in. Make sure
$ git push origin master
A websocket server can receive and send data among multiple clients, and is necessary to host your chat app. The purpose of this server is to relay messages, This code will require several crucial lines of code, but additional features can be added to make your chat app more robust.
First, the ws module must be required.
var WebSocket = require("ws").Server; var chatServer = new WebSocket({port:3000});
Note that the Server method is necessary when requiring ws for the purpose of creating a server. A port number of your choice should be declared, but it must consistent across future code in order for the server and clients to interact.
An empty array should be created to track clients connecting to the server. This will allow the server to send information to multiple clients at once.
var users = [];
Event listeners are added to the server in order to define how it handles connections and messages.
chatServer.on("connection" , function(ws){ console.log("connection"); users.push(ws); }
The above code adds every connecting client to the users array, and console logs a simple message that will help you monitor /test functionality. Nested within the above function, you must also add event listeners to the clients, which are defined above by the ws parameter.
ws.on("message" , function(msg){ console.log(msg); users.forEach(function(usr){usr.send(msg)}); })
Every time there is a message event, the above code will log that message on the server console, and send the message to every user in the users array, including the original sender.
This next step is virtually essential. In the event a client disconnects, any attempt the server makes to send a message will cause it to crash. We must add another event listener to the client that will remove it from the users array on a close event.
ws.on("close" , function(){ var clientIndex = users.indexOf(ws); users.splice(clientIndex,1); console.log("a client has disconnected"); })Every time a client disconnects, the above code finds the index of that client with the users array, and then deletes their information from the array. This code in its current state is completely usable for the purpose of serving a simple chat app.
var WebSocket = require("ws").Server; var chatServ = new WebSocket({port:3000}); var users = [];chatServ.on("connection" , function(ws){ console.log("connection"); users.push(ws);
ws.on("message" , function(msg){ console.log(msg); users.forEach(function(usr){usr.send(msg)}); }) ws.on("close" , function(){ var client = users.indexOf(ws); users.splice(client,1); console.log("a client has disconnected"); })
})
Other possible features you might want to consider adding to your app are a persistent message history, private messages between users, and word filtering functions. Incorporating JSON into your code will allow you to package more information in every message beyond simple strings.
Let's make a barebones HTML file that'll allow us to use the client for the chat app.
```html
<title>Chat</title>
</head>
<body>
<!-- In the beginning there was a div for the header -->
<div class="header">
<h2>Chat App</h2>
</div>
<!-- But! Here's a div that binds them all! -->
<div class="container">
<!-- and in the darkness... presents the message... -->
<div id="inset">
<!-- but first this div collects your name! -->
<div id = "fixed">
<p id="enter"> Please enter your screen name:</p></br>
<input type="text" id="inputOne" placeholder="Name"></input>
</div>
<ul id="msgHolder"></ul>
</div>
</div>
<!-- This div holds the input box -->
<div class="bottom">
<!-- <div class="bottom"> -->
<input placeholder="Type here" id="inputMsg"></input>
<!-- </div> -->
</div>
In order for the client to connect to the server we'll want to set up some variables.
Establish a new Websocket client. Remember to be explicit in naming your variables!
var client = new WebSocket( "ws://localhost:3000" );
Let's say that our client is going to log in and have a name. But prior to connecting the name will be a string that is empty.
javascript
var userName = '';
var connected = true;
Let's setup event listeners for the client to determine what's happening.
client.addEventListener( 'open', function ( evt ) { } );
client.addEventListener( 'message', function ( message ) { } )
client.addEventListener( 'close', function ( evt ) { } );
Now to get more detailed...
Upon connecting ('open') we want the client to set their name. In order to do this, let's have them send a message that changes their userName
value. We'll utilize DOM manipulation and a keyboard event listener to do that.
```javascript
// upon open client.addEventListener( 'open', function () { // grab inputTwo var inputTwo = document.getElementById( 'inputTwo' ) // event listener on inputTwo inputTwo.addEventListener( 'keyup', function ( e ) { // if enter is pressed and the box is NOT empty if ( e.keyCode === 13 && inputOne.value.trim() != '' ) { // set the userName value... var fixedDiv = document.querySelector( '#fixed' ) userName = inputOne.value; // and grab the fixedDiv and set it's style to make it disappear! fixedDiv.style.display = 'none'; } } ); } ); ```
Now that we've set our client's name upon connect, let's tackle what happens when we recieve a message.
// upon recieving a message
client.addEventListener( 'message', function ( message ) {
//create an li element
var li = document.createElement( "li" );
// change it's innerText value to the recieved message
li.innerText = input.value;
// set it's id to 'msg'
li.setAttribute( 'id', 'msg' )
// grab the ul element
var msgHolder = document.querySelector( "ul#msgHolder" );
// and append it to include the new li
msgHolder.appendChild( li );
// then have it display BEFORE the newest element
var before = ul.firstChild;
ul.insertBefore( li, before )
} ); ```
While we're not doing anything complex yet, you can certainly have events occur upon close. Let's make a couple edits to display this.
We'll add a boolean to the file
javascript
var userName = '';
var connected = false; //set to false by default
and have it return true upon connect
javascript
client.addEventListener( 'open', function () {
connected = true;
and have it return back to false upon close!
javascript
client.addEventListener( 'close', function () {
connected = false;
While not necessary in our tutorial app, just note that it's possible to have events occur on the client side but you can't send anything to the server upon close.
BUT WAIT! How on earth do we send messages?!! Well.. there's an app for that... But seriously... We've already done it upon connection so let's make another event listener.
```javascript
// grab the inputMsg element
var inputMsg = document.getElementById( 'inputMsg' )
inputMsg.addEventListener( 'keyup', function ( e ) {
// upon pressing enter
if ( e.keyCode === 13 ) {
// grab the text in the input box and call it newMessage
var newMessage = input.value;
// with the .send method let's format and send our name & message
client.send( userName + ': ' + newMessage );
// finally, let's clear the input box
input.value = ''; //clear the input area
}
} );
```
And now you have a functional frontend JS file for your client!
We'll reference our HTML file here a few times so for the whole code, please refer to clientSteps link here eventually
In order for us to have a responsive (and what other way is there to be?!) design let's start with some givens.
html
<meta name="viewport" content="width=device-width, initial-scale=1">
div.container { border: thin solid black; height: 80%; width: 80%; margin: auto; }
.bottom { border: thin solid orange; height: 40px; width: 80%; margin: auto; } ```
Keeping it simple, we're going to do our work with divs here.
Let's set up all our divs now so we can view the frame:
div.container {
border: thin solid black;
height: 80%; /* set to 80% of the body */
width: 80%; /* set to 80% of the window */
display: flex;
margin: auto;
}
div#fixed {
border: thin solid black;
min-height: 10vh; /* vh is viewport height - this says 10% of vh
margin: auto;
text-align: center;
padding: 2%;
overflow: auto;
}
div#inset {
border: thin solid red;
height: 100%;
width: 100%;
min-width: 30vh;
overflow: auto;
align-self: center;
display: flex;
flex-direction: column-reverse;
}
div.bottom {
display: flex;
border: thin solid orange;
height: 40px;
width: 80%;
display: flex;
margin: auto;
font-size: 1.25em;
}
Now let's set the font-family for the whole app. We've chosen Helvetica with arial as a backup incase Helvetica isn't available for some reason.
* {
font-family: Helvetica, arial;
}
Now let's work from the top down. We'll style the header:
.header {
background-color: #999;
font-size: 100%; /* set the font-size to 100% */
text-align: center; /* set the text-align value to center */
width: 50%; /* we'll establish the width at 50% */
/* as we've set the width to 50% we can set the margin-le 25% thereby centering the element*/
margin-left: 25%;
}
The body just needs a color if at all.
We are setting the container div to have display: flex;
in order to easily vertical center the fixed div that'll appear upon login.
div.container {
height: 80%;
width: 80%;
display: flex; /* Hey Alex... FLEXBOX! */
margin: auto;
}
div#fixed {
min-height: 10vh;
margin: auto; /*setting the display of the parent to flex lets you vertical center with just this line!*/
text-align: center;
padding: 2%;
overflow: auto;
}
Note that we've removed the borders now.
Before we can set up a the hosting side of things we need to make sure out github is up to date!
As you remember in steps one and two we set up the git repo and connected it to our github repo.
Lets push our files up to that repo:
first initiate push by typing in the terminal:
$ git add .

In order to host your files on the internet publicly we'll need to set up your server. Let's SSH into the server.
Open up a new terminal window.in the terminal type:
$ ssh root@yourserveraddress
Have your login information handy as you'll need to enter it here
CLONE GITHUB REPO — Now that we are in the server we need to clone our repo over so that we have all the files.
— go to your github page and find the directory address and copy it.
— in the Server Terminal type: git clone directoryAddress
— once it has cloned, type in ls in the command line and press enter. This should show you if it is in the directory. cd into the folder.
RUN NODE.JS FILE — Now that we have our file all set up we need to start our server, run your node file just like you did in step 6. if you need help or reference, here is a link back the step.
— Now open up a new terminal and ssh into your server again using #2 in this step.
HTTP-SERVER — Once you have your second terminal open and your ssh’d in, its time to start up your server.
— In the terminal type in: http-server -p80
— this should start the server and allow you to go to the server address and see your chat app up and running. The -p80 at the end allows you to not have to have a subdomain and make a clean and tidy server address. If any errors occur you can see them on the terminal where you are running the node file and also in the client side browser in the developer tools.
SHUTTING DOWN THE SERVER — when you are done or need to fix a bug, press CONTROL + C at anytime to shut the server down. you will need to shut the node file down as well.
— then you will fix changes locally, then push up to github.
— once they are pushed go into the ssh terminal and you will need to pull the files up.
— to do this type in the terminal: git pull master origin
— now repeat the steps in #4 and #5.


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"OMG, this is just what i needed. I had an amazing experience."
"So, I've been putting this off for a while now. After i joined WWA, noticed a defiente change in my body."
"One month before our wedding we used product by Stoney line in the beauty divison and it was well worth it. It not only worth for me but, my husband as well."


The Theme System uses an organized approach for applying color, font styles, and other decorative styles to the UI. This system is primarily based on the convention established by Material Design but is different enough to warrant its own documentation.
The Theme System includes a color system, a set of SCSS convenience functions used to quickly generate a collection of theme-related CSS custom properties, and various other overrides that can be used to customize the style and appearance of an application.


|
BL3 SDK
0.0.1
Borderlands 3 Class Documentation
|
#include <BL3_OakGame_structs.hpp>
Public Attributes | |
| struct FGbxParam | WantedSpeed |
| bool | bUseWantedSpeed |
| unsigned char | UnknownData00 [0x7] |
| struct FGbxParam | WantedSteering |
| bool | bUseWantedSteering |
| unsigned char | UnknownData01 [0x7] |
| struct FGbxParam | MaxSpeed |
| struct FGbxParam | UseBoost |
| struct FGbxParam | ForceReverse |
| struct FGbxParam | GoBackward |
| struct FGbxParam | ForceHandbrake |
| struct FGbxParam | SpeedHack |
| struct FRubberbandSpeed | RubberbandSpeed |
| bool | bUseRubberbandSpeed |
| unsigned char | UnknownData02 [0x7] |
| struct FGbxParam | Duration |
| bool | bUseDuration |
| unsigned char | UnknownData03 [0x7] |
| bool bUseDuration |
| bool bUseRubberbandSpeed |
| bool bUseWantedSpeed |
| bool bUseWantedSteering |
| struct FGbxParam Duration |
| struct FGbxParam ForceHandbrake |
| struct FGbxParam ForceReverse |
| struct FGbxParam GoBackward |
| struct FGbxParam MaxSpeed |
| struct FRubberbandSpeed RubberbandSpeed |
| struct FGbxParam SpeedHack |
| unsigned char UnknownData00[0x7] |
| unsigned char UnknownData01[0x7] |
| unsigned char UnknownData02[0x7] |
| unsigned char UnknownData03[0x7] |
| struct FGbxParam UseBoost |
| struct FGbxParam WantedSpeed |
| struct FGbxParam WantedSteering |


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There are 4 main horror areas:Killers; Monsters; Paranormal; Psychological;
To this, we add 2 subgenres that are so popular that they can be considered as proper genre:Zombies and Gore/Splatter
SLASHER/KILLER
This genre features a killer,natural or supernatural ,usually
a psycopath , which for some reasons decimates people.This genre mixes thriller,crime and psychological thriller
CLASSIC SLASHER
Basic slashers have existed for a long time but became really popular in early 80's
with the succes of movies like Halloween and Friday the 13th
- Slasher
- Classic Slasher
- Halloween(1978)
- Friday the 13th(1980)
- A nightmare on Elm Street(1984)
- Scream(1996)
- Classic Slasher
The trailer to Scream(1996)
BUMPKIN AND REDNECK
Created with early movies such as 2000 Maniacs (1964) or Deliverance (1972), this unofficial sub-genre plays on the myth that backwoods and remote countryside are populated with inbred freaks and maniacs.The sub-genre, which became famous with the success of Texas Chain Saw Massacre. often features families or clans of crazies, and often treat of cannibalism.
- Texas Chain Saw Massacre(1974)
- Hills Have Eyes(1977)
- Wrong Turn(2003)
- Wolf Creek(2005)
HOME INVASION AND SURVIVAL
The sub-genre is now getting increasingly popular. The
assailants are often masked, or not shown at all, which reinforce the almost claustrophobic fear induced by these films.
- Them(2006)
- Inside(2007)
- The Strangers(2008)
- You are Next(2013)
MONSTERS/CREATURES
Existing from the early 1910’s with the first versions of Frankenstein or King Kong, the monster genre is “the” classic of horror. It is also the morediverse and widespread horror genre, so let’s look directly at its large sub-genres compilation.
Classic Monsters and Mythological Monsters
This sub-genre regroups the monster films that have either been inspired by early roman (e.g. Frankenstein in 1818 or The Invisible Man in 1897),or by well-known myths and legend such as BigFoot or the Bogeyman. We can also throw in it the monsters from the fantastic world (Trolls, Dragons, etc) and those who
became really famous in the 30’s suc0h as The Mummy or The Creature from the Black Lagoon, since they now became a part of the modern mythological bestiary
- Frankenstein(1931)
- The Mummy(1932)
- Leprechaun(1993)
- Troll Hunter(2010)
Sci-Fi Monsters and Aliens
The monster genre has always been trying to justify the presence of its horrible monsters: nuclear reasons, scientific experiments, evolved species, etc.This sub-genre regroups these films whose solid
science-fiction plots make them often closer to sci-fi than to the rest of the mediocre scenario monster films
- King Kong(1933)
- Godzilla(1954)
- Attack of the 50 feet woman(1958)
- Cloverfield
Werewolf
Werewolves are human who, after being infected by a lycanthropic virus or curse, can transform into big wolf-like beasts. The transformation can beself-decided or, as in most movies, occurring unwillingly during the full-moon. Werewolf films are often quite dramatic, since the werewolf
curse is often seen as a tragedy. One of the highlight of these film is the great human-werewolf transformation scenes that they often features.
- An American Werewolf in London(1981)
- The Howling(1979)
- Dog Soldiers(2002)
Vampire
Vampires are mythical creatures that seem to have always existed in various folklores. However, the vampire concept as we know it really took offwith “Dracula”, the 1897’s novel from Bram Stoker. Vampires in horror films are invariably undead creatures thirsty for blood and vulnerable to sunlight. Additional rules then differs slightly depending on the movie: contagious when biting,
allergic to garlic, sensitive to crosses or holy water, killed by a stake in the heart, cannot enter without being invited, etc
- Nosferatu(1922)
- Dracula(1931&1922)
- Fright Night(1985)
- 30 days of Night(2007)
Trailer to 30 Days Of Night(2007)
ZOMBIE/VIRUS
Zombie
Classic zombies are typically seen rising out of their tombs, or as the results of someone being bitten by another zombie. In any case, they are dead, or more precisely undead.
 This sub-genre appeared quite early,
with White Zombie (1932) being considered as the first zombie film. They then become hugely famous thanks to the work of Georges A. Romero and its “Trilogy of the Dead”
- Nights of The Living Dead(1968)
- Let Sleeping Corpses Lie(1974)
- Dawn Of The Dead(1978)
- Zombie(1979)
The trailer to Dawn Of The Dead(1978)


App Framework
Starting app
John Doodle
Spring is Coming
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Before Change
"You should adjust pca_comps to remove noise and "
"redundant information.")
if self.num_dims is None:
dim = d
elif self.num_dims <= 0:
raise ValueError("Invalid embedding dimension: must be greater than 0.")
elif self.num_dims > d:
dim = d
warnings.warn("num_dims (%d) must be smaller than "
"the data dimension (%d)" % (self.num_dims, d))
else:
dim = self.num_dims
return dim
def fit(self, X, chunks):
Learn the RCA model.
After Change
"You should adjust pca_comps to remove noise and "
"redundant information.")
dim = _check_n_components(d, self.n_components)
return dim
def fit(self, X, chunks):
Learn the RCA model.


The OSM tile server stack is a collection of programs and libraries that work together to create a tile server. As so often with OpenStreetMap, there are many ways to achieve this goal and nearly all of the components have alternatives that have various specific advantages and disadvantages. This tutorial describes the most standard version that is also used on the main OpenStreetMap.org tile server. It consists of 5 main components: Mod_tile, renderd, mapnik, osm2pgsql and a postgresql/postgis database. Mod_tile is an apache module, that serves cached tiles and decides which tiles need re-rendering – either because they are not yet cached or because they are outdated. Renderd provides a priority queueing system for rendering requests to manage and smooth out the load from rendering requests. Mapnik is the software library that does the actual rendering and is used by renderd. In order to build these components, a variety of dependencies need to be installed first:
sudo apt-get install libboost-all-dev subversion git-core tar unzip wget bzip2 build-essential autoconf libtool libxml2-dev libgeos-dev libgeos++-dev libpq-dev libbz2-dev libproj-dev munin-node munin libprotobuf-c0-dev protobuf-c-compiler libfreetype6-dev libpng12-dev libtiff4-dev libicu-dev libgdal-dev libcairo-dev libcairomm-1.0-dev apache2 apache2-dev libagg-dev liblua5.2-dev ttf-unifont lua5.1 liblua5.1-dev libgeotiff-epsg node-carto
On Ubuntu there are pre-packaged versions of both postgis and postgresql, so these can simply be installed via the Ubuntu package manager.
sudo apt-get install postgresql postgresql-contrib postgis postgresql-9.3-postgis-2.1
Now you need to create a postgis database. The defaults of various programs assume the database is called gis and we will use the same convention in this tutorial, although this is not necessary. Substitute your username for username in the two places below. This should be the username that will render maps with Mapnik.
sudo -u postgres -i createuser username # answer yes for superuser (although this isn't strictly necessary) createdb -E UTF8 -O username gis exit
Create a Unix user for this user, too, choosing a password when prompted:
sudo useradd -m username sudo passwd username
Set up PostGIS on the PostgreSQL database (again, substitute your username for username below):
sudo -u postgres psql \c gis CREATE EXTENSION postgis; ALTER TABLE geometry_columns OWNER TO username; ALTER TABLE spatial_ref_sys OWNER TO username; \q exit
osm2pgsql is under active development and is best compiled from source.
mkdir ~/src cd ~/src git clone git://github.com/openstreetmap/osm2pgsql.git cd osm2pgsql ./autogen.sh ./configure make sudo make install
Next, we need to install the Mapnik library. Mapnik is used to render the OpenStreetMap data into the tiles used for an OpenLayers web map. Build the Mapnik library from source:
cd ~/src git clone git://github.com/mapnik/mapnik cd mapnik git branch 2.2 origin/2.2.x git checkout 2.2 python scons/scons.py configure INPUT_PLUGINS=all OPTIMIZATION=3 SYSTEM_FONTS=/usr/share/fonts/truetype/ make sudo make install sudo ldconfig
Verify that Mapnik has been installed correctly:
python >>> import mapnik >>>
If python replies with the second chevron prompt >>> and without errors, then Mapnik library was found by Python. Congratulations! You can leave Python with this command:
>>> quit()
Compile the mod_tile source code:
cd ~/src git clone git://github.com/openstreetmap/mod_tile.git cd mod_tile ./autogen.sh ./configure make sudo make install sudo make install-mod_tile sudo ldconfig


Format Prop: used to format ISO Date string JXM.children values to strings using Luxon formatting
Format Prop: used to format date values assigned to JXM.children as strings using Luxon formatting
Format Prop: used to convert JXM.children value to strings using JSON.stringify
Utility Prop: insert JXM template from external path
Format Prop: used to format number JXM.children values to strings using Numeral.js formatting
Format Prop: used to convert JXM.children value to strings using .toString
Evaluation Prop: used to assign function bound to current this as values of JXM.props from strings
Evaluation Prop: used to set all values of JXM.props
Evaluation Prop: used to assign values of JXM.props from strings
Evaluation Prop: used to create class components as prop values of JXM.props
Evaluation Prop: used to assign React Elements to prop values of JXM.props from JXM Objects
Evaluation Prop: used to create function components as prop values of JXM.props
Evaluation Prop: used to assign React Components to prop values of JXM.props from JXM Objects
Evaluation Prop: used to assign React Components to prop values of JXM.props from JXM Objects
Evaluation Prop(LEGACY): used to assign functions to values of JXM.props from strings
Evaluation Prop(LEGACY): used to bind arguments functions from __functionProps to values of JXM.props from strings
Evaluation Prop(LEGACY): used to define functions for __functionProps to values of JXM.props from strings
Evaluation Prop: values to loop over and generate JXM.children by mapping over component in JXM.__spreadComponent
Evaluation Prop: JXM object that's mapped with data from __spread array
Evaluation Prop: used to assign props of React elements as prop values of JXM.props
Evaluation Prop: used to assign React elements as prop values of JXM.props
Evaluation Prop: used to override value of JXM.children
Tranverse Prop: Alias for resourceprops
Display Prop: flag used to conditionally show elements when any comparison values are true
Display Prop: conditionally show elements based on props when all comparison values are true
Standard Prop: Required React.createElement element
Utility Prop: output calculated advanced props to console
Utility Prop: pass down and merge parent props to children JXM objects
Standard Prop: props argument for React.createElement
Tranverse Prop: traverse asynchronous properties passed to components when using JSONX programmatically
Tranverse Prop: transverse properties on this
Tranverse Prop: transverse properties on this.props
Tranverse Prop: transverse properties on this.state
Standard Prop: Alias for component
Tranverse Prop: transverse properties on window
Format Prop: used to set timezone for Luxon formatting


COVID- SARS Mpro CoV docking MERS {border-style px;} #ffffff;} screening drugs virtual []. approved virus used Mpro. coronavirus protease Coronavirus comparison sequence Table binding drug px; structure using {font-family (Fig. CHNO FDA font-size protein Chem. [], discovery double; hydrogen interactions ligand new number phylogenetic repurposing ribavirin COVID-. Elsevier Med. Mpro, Virtual antiviral border-color border-width including ranked residues score solid; treating {font-style {font-weight CoV. Discov. RNA Relative Respiratory Ribavirin Sci. Syndrome Vitamin acting bold bonding centre compounds courier; crystal different em; highlighted molecular novel proteins pt;} related relations resource respiratory results sequences severe showed studies study telbivudine viral


Package org.drip.learning.svm
Class DecisionFunctionOperatorBounds
java.lang.Object
org.drip.learning.svm.DecisionFunctionOperatorBounds
public class DecisionFunctionOperatorBounds
extends java.lang.Object
DecisionFunctionOperatorBounds implements the Dot Product Entropy Number Upper Bounds for the
Product of Kernel Feature Map Function and the Scaling Diagonal Operator.
The References are:
The References are:
- Ash, R. (1965): Information Theory Inter-science New York
- Carl, B., and I. Stephani (1990): Entropy, Compactness, and Approximation of Operators Cambridge University Press Cambridge UK
- Gordon, Y., H. Konig, and C. Schutt (1987): Geometric and Probabilistic Estimates of Entropy and Approximation Numbers of Operators Journal of Approximation Theory 49 219-237
- Konig, H. (1986): Eigenvalue Distribution of Compact Operators Birkhauser Basel, Switzerland
- Smola, A. J., A. Elisseff, B. Scholkopf, and R. C. Williamson (2000): Entropy Numbers for Convex Combinations and mlps, in: Advances in Large Margin Classifiers, A. Smola, P. Bartlett, B. Scholkopf, and D. Schuurmans - editors MIT Press Cambridge, MA
- Module = Computational Core Module
- Library = Statistical Learning
- Project = Agnostic Learning Bounds under Empirical Loss Minimization Schemes
- Package = Kernel SVM Decision Function Operator
- Author:
- Lakshmi Krishnamurthy
-
Constructor Summary
Constructors Constructor Description DecisionFunctionOperatorBounds(DiagonalScalingOperator dsoFactorizer, double dblInverseMarginNormBound, double dblFeatureSpaceMaureyConstant, int iFeatureSpaceDimension)
DecisionFunctionOperatorBounds Constructor -
Method Summary
Modifier and Type Method Description DiagonalScalingOperator
factorizingOperator()
Retrieve the Factorizing Diagonal Scaling Operator Instancedouble
featureMaureyOperatorEntropy(int iFeatureSpaceEntropyNumber)
Compute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Maurey Upper Bound for the Entropy for the specified Entropy Number and the Scaling Operator Entropy Number Upper Bounddouble
featureMaureyOperatorNorm(int iFeatureSpaceEntropyNumber)
Compute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Maurey Upper Bound for the Entropy for the specified Entropy Number and the Scaling Operator Normdouble
featureNormOperatorEntropy()
Compute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Norm for the Upper Bound of the Entropy Number and the Scaling Operator Entropy Number Upper Bounddouble
featureSpaceDimension()
Retrieve the Feature Space Dimensiondouble
featureSpaceMaureyBound(int iFeatureSpaceEntropyNumber)
Compute the Feature Space's Maurey Bound for the Entropy Number given the specified Entropy Numberdouble
featureSpaceMaureyConstant()
Retrieve the Feature Space Maurey Constantdouble
infimumUpperBound(int iFeatureSpaceEntropyNumber)
Compute the Infimum of the Decision Function Operator Upper Bound across all the Product Bounds for the specified Feature Space Entropy Numberdouble
inverseMarginNormBound()
Retrieve the Norm Upper Bound of the Inverse Margindouble
productFeatureOperatorNorm()
Compute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Norm for the Upper Bound of the Entropy Number and the Scaling Operator NormMethods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Constructor Details
-
DecisionFunctionOperatorBounds
public DecisionFunctionOperatorBounds(DiagonalScalingOperator dsoFactorizer, double dblInverseMarginNormBound, double dblFeatureSpaceMaureyConstant, int iFeatureSpaceDimension) throws java.lang.ExceptionDecisionFunctionOperatorBounds Constructor- Parameters:
dsoFactorizer
- The Factorizing Diagonal Scaling OperatordblInverseMarginNormBound
- The Decision Function Inverse Margin Norm BounddblFeatureSpaceMaureyConstant
- The Kernel Feature Space Function Maurey ConstantiFeatureSpaceDimension
- The Kernel Feature Space Dimension- Throws:
java.lang.Exception
- Thrown if the Inputs are Invalid
-
-
Method Details
-
factorizingOperator
Retrieve the Factorizing Diagonal Scaling Operator Instance- Returns:
- The Factorizing Diagonal Scaling Operator Instance
-
inverseMarginNormBound
public double inverseMarginNormBound()Retrieve the Norm Upper Bound of the Inverse Margin- Returns:
- The Norm Upper Bound of the Inverse Margin
-
featureSpaceMaureyConstant
public double featureSpaceMaureyConstant()Retrieve the Feature Space Maurey Constant- Returns:
- The Feature Space Maurey Constant
-
featureSpaceDimension
public double featureSpaceDimension()Retrieve the Feature Space Dimension- Returns:
- The Feature Space Dimension
-
featureSpaceMaureyBound
public double featureSpaceMaureyBound(int iFeatureSpaceEntropyNumber) throws java.lang.ExceptionCompute the Feature Space's Maurey Bound for the Entropy Number given the specified Entropy Number- Parameters:
iFeatureSpaceEntropyNumber
- The Feature Space Entropy Number- Returns:
- The Feature Space's Maurey Bound for the specified Entropy Number
- Throws:
java.lang.Exception
- The Feature Space's Maurey Bound cannot be computed
-
featureMaureyOperatorEntropy
public double featureMaureyOperatorEntropy(int iFeatureSpaceEntropyNumber) throws java.lang.ExceptionCompute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Maurey Upper Bound for the Entropy for the specified Entropy Number and the Scaling Operator Entropy Number Upper Bound- Parameters:
iFeatureSpaceEntropyNumber
- The Feature Space Entropy Number- Returns:
- The Feature Space's Operator Entropy for the specified Entropy Number
- Throws:
java.lang.Exception
- The Feature Space's Operator Entropy cannot be computed
-
featureMaureyOperatorNorm
public double featureMaureyOperatorNorm(int iFeatureSpaceEntropyNumber) throws java.lang.ExceptionCompute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Maurey Upper Bound for the Entropy for the specified Entropy Number and the Scaling Operator Norm- Parameters:
iFeatureSpaceEntropyNumber
- The Feature Space Entropy Number- Returns:
- The Feature Space's Operator Norm for the specified Entropy Number
- Throws:
java.lang.Exception
- The Feature Space's Operator Norm cannot be computed
-
productFeatureOperatorNorm
public double productFeatureOperatorNorm() throws java.lang.ExceptionCompute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Norm for the Upper Bound of the Entropy Number and the Scaling Operator Norm- Returns:
- The Entropy Number Upper Bound using the Product Norm
- Throws:
java.lang.Exception
- The Entropy Number Upper Bound cannot be computed
-
featureNormOperatorEntropy
public double featureNormOperatorEntropy() throws java.lang.ExceptionCompute the Decision Function Entropy Number Upper Bound using the Product of the Feature Space's Norm for the Upper Bound of the Entropy Number and the Scaling Operator Entropy Number Upper Bound- Returns:
- The Entropy Number Upper Bound using the Product Norm
- Throws:
java.lang.Exception
- The Entropy Number Upper Bound cannot be computed
-
infimumUpperBound
public double infimumUpperBound(int iFeatureSpaceEntropyNumber) throws java.lang.ExceptionCompute the Infimum of the Decision Function Operator Upper Bound across all the Product Bounds for the specified Feature Space Entropy Number- Parameters:
iFeatureSpaceEntropyNumber
- The specified Feature Space Entropy Number- Returns:
- Infimum of the Decision Function Operator Upper Bound
- Throws:
java.lang.Exception
- Thrown if the Infimum of the Decision Function Operator Upper Bound cannot be calculated
-


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Global Forest Watch Commodities is an online platform that empowers companies to analyze the impact of key commodities on forests, using the latest and most powerful data available. GFW Commodities builds on the groundbreaking platform, Global Forest Watch, but with a specific focus on companies who buy and sell major commodities that impact forests, such as palm oil, beef, soy, wood pulp. GFW Commodities is free to use and follows an open data approach in putting decision-relevant information in the hands of companies who want to minimize forest-related risks in their supply chain.
GFW Commodities is supported by a diverse group of partners that contribute data, technical capabilities, funding, and expertise. The partnership is convened by the World Resources Institute. See a full list of partners below.
“The loss of natural capital due to land use for primary production and processing activities is estimated to cost the global economy $1.8 trillion annually.” -CDP. The Commodity Crunch: Value at risk from deforestation
Almost every business depends on forests in some way. Buyers of commodities face risks if they do not know how their supply chain impacts forest resources. Sellers of commodities risk losing customers if they can’t credibly demonstrate that their products are deforestation-free.
Global Forest Watch Commodities provides information and analysis to help you avoid these risks and be a better steward of forests.
The GFW Commodities site is now open for beta testing to companies and individuals around the world who want to see how commodity supply chains are affecting forests in near real-time. Building on the flagship Global Forest Watch platform, we are now developing and launching specialized features and services geared for business users. This platform enables business users to:
Over the coming years, GFW Commodities will develop these features together with a core group of corporate road-testers committed to supply chain transparency and ending commodity-driven deforestation. We’ll also establish a working group of interested companies to test the site as it is developed and provide feedback.
For more information or to join the conversation, contact Elizabeth Baer, Corporate Engagement Manager for Global Forest Watch at<EMAIL_ADDRESS>You can download a copy of GFW’s corporate partnerships policy here (coming soon).
Global Forest Watch originally began in 1997 as an initiative to establish a global forest monitoring network around the world, convened by the World Resources Institute and partners. It began as part of WRI’s Forest Frontiers Initiative. The original GFW achieved many outcomes toward the conservation of large intact forest areas.
WRI has continued the work that Global Forest Watch started, working to improve forest information by merging the latest technology with on-the-ground partnerships. This culminated in the 2014 launch of the flagship Global Forest Watch platform. Now, GFW Commodities offers a specialized portal to meet the specific needs of businesses.
GFW Commodities is also built on the foundations of the Forest and Landscapes in Indonesia project, which works to support government and civil society actions for effective and equitable land use in Indonesia. With GFW Commodities, we bring our experience and expertise engaging companies and governments in the palm oil sector together with Global Forest Watch’s ability to leverage the advent of new technologies and increased global connectivity.
We welcome others to join the growing GFW partnership.
Oil Palm Transparency Toolkit
ZSL's Sustainable Palm Oil Transparency Toolkit (SPOTT) is an interactive resource, designed for investors and other stakeholders in the palm oil sector, to assess oil palm growers on the information that they make publicly available about the sustainability of their operations. SPOTT combines satellite mapping technology from Global Forest Watch with in-depth performance assessments on 25 of the largest publicly listed companies that grow oil palm, including 20 RSPO members and 5 non-members. Companies are assessed against a 48 indicator framework comprised of seven indicator categories, and each indicator contains a question, answer, score, and links to further information.
http://www.sustainablepalmoil.org/spott/Here's a set of brief video tutorials from the GFW team:


 When a person goes to a web page like www.google.com, their computer sends a HTTP Request to a server. The server finds the appropriate HTML document and sends it back to the user's computer where a web browser interprets the page and displays it on the user's screen. This video does a good job of explaining.HTML
HTML stands for Hypertext Markup Language. HTML documents form the majority of the content on the web. HTML documents contain text content which describes "what you see" and markup which describes "how it looks". This video gives a good overview.Tags and Elements
HTML documents are made of HTML elements. When writing HTML, we tell browsers the type of each element by using HTML tags.  This makes them very unforgiving since a small mistake by a programmer can cause huge problems in a program.Inline vs Block Elements
HTML elements are either inline or block. Block elements form an "invisible box" around the content inside of them.


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Texas substitute teacher fired and arrested after allegedly assaulting student
by Dakin Andone and Artemis Moshtaghian, CNNWarning: This video may be disturbing to some
A former substitute teacher faces an assault charge after she allegedly beat a student at a Texas high school on Friday, the Hays County Sheriff's Office said.
The incident, which unfolded in a foreign language class at Lehman High School in Kyle, Texas, was captured by other students in cell phone videos that later circulated online. That footage shows the substitute teacher repeatedly punching the sophomore girl in the face before throwing her to the ground and stomping on her head.
Students alerted school officials and the teacher was immediately removed from the classroom, the Hays Consolidated Independent School District (CISD) said.
Sheriff's deputies responded, and after interviewing students and reviewing several videos, the teacher, identified as 32-year-old Tiffani Shadell Lankford, was arrested.
Lankford faces a charge of aggravated assault, the sheriff's office said. She was booked in the Hays County Jail and appeared Saturday morning in court. She was read her charges and bond was set at $10,000, according to Hays County Sheriff's Deputy Stephen Traeger.
CNN is unable to determine if she has legal representation.
Lankford was immediately fired, the school district said, adding that it was cooperating with the investigation.
"Under no circumstances is that behavior tolerated at Lehman High School or in Hays CISD," Principal Karen Zuniga said in the school district's statement. "We take the safety and security of our students seriously. We took swift action when this incident occurred and will do everything necessary to protect our students."
Lankford had worked for Hays CISD since late August, the district said, and had worked in a classroom 17 times before this incident. The district noted that all substitute teachers are required to pass a criminal background check.
"There is absolutely no excuse or circumstance that can justify what you see unfold on the video," Tim Savoy, a spokesman for Hays CISD said. "It is unconscionable what this adult did to one of our students."
The student was taken to the hospital by her father, the sheriff's office said.
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I am not working much on L4 for last couple of weeks. Have been reading 'Coalscent', now getting bored of it.
After I got my system up with Fedora Core 3 and fighting a lot with gcc versions, I have run into this problem with grub. Now when I install grub 0.90 - the one modified for L4, it gets to the command prompt mode and not the usual grub menu. I don't know how to boot from command prompt. I am sure though, that the solution to this must be very trivial and I haven't worked on it out of sheer laziness for past few days.
I wish I get over these small hurdles soon and get to do some programming on L4.
Meanwhile, got hold of a superb game...... guess which one..... 'njam'..... windows version of PacMAN :)))))))))).


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Email me: drewsheneman@gmail.com.


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