@* * Copyright 2023 HM Revenue & Customs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *@ @import uk.gov.hmrc.apidocumentation.config._ @import uk.gov.hmrc.apidocumentation.controllers @import uk.gov.hmrc.apidocumentation.models._ @import uk.gov.hmrc.apidocumentation.views.html.include._ @import uk.gov.hmrc.apidocumentation.views.html.partials.pagination @this(apiMain: apiMain) @(pageAttributes: PageAttributes)(implicit applicationConfig: ApplicationConfig, request: Request[AnyContent], messagesProvider: MessagesProvider) @apiMain(pageAttributes) {
These endpoints require specific authorisation from the end user. They generally give access to secure data.
We use the open standard OAuth 2.0 with the Authorization Code Grant. This lets the end user grant authority to your application to interact with HMRC on their behalf, without sharing their access credentials.
The end user authenticates directly with us using their Government Gateway account, and grants authority for specific scopes.
We then issue an OAuth 2.0 access token that’s specific to the end user. Your application passes the access token in subsequent API requests to user-restricted endpoints.
There are separate Government Gateway accounts for individuals, agents and organisations. For individuals and organisations, the access token only gives access to the end user’s own data. For agents the access token gives access to their clients’ data.
Authorisation rules for specific API endpoints are given in the API documentation.
The access token lasts for 4 hours. When it expires, it can be refreshed using a single-use refresh token. After 18 months you can no longer refresh the access token and the end user must grant authority again.
The authorisation user journey is an important part of our security, and may be changed without notice.
The following diagram illustrates the process:
curl -X GET "@{applicationConfig.sandboxWwwBaseUrl}/oauth/authorize?\ response_type=code\ &client_id=[YOUR-CLIENT-ID]\ &scope=[REQUESTED-SCOPE]\ &state=[STATE]\ &redirect_uri=[YOUR-REDIRECT-URI]"
curl -X GET "@{applicationConfig.sandboxWwwBaseUrl}/oauth/authorize?\ response_type=code\ &client_id=Hf8sfkiUkYp9I3_R10qSnZ2ZUvoa\ &scope=scope_1+scope_2+scope_3\ &state=30de877c-ee2f-15db-8314-0800200c9a66\ &redirect_uri=https://www.example.com/auth-redirect"
| Parameter | Description |
|---|---|
response_type |
The OAuth 2.0 response type. Currently the only acceptable value is code . |
client_id |
The Client ID for your application. |
scope |
A space-delimited list of scopes you would like to have permission to access on behalf of your user. Must be URL-encoded, so spaces must be represented as either %20 or + . |
state (optional) |
An opaque value used to maintain state between the request and callback and to prevent tampering as described in the OAuth 2.0 specification. This is passed back to your application via the redirect_uri . |
redirect_uri |
The URI that we use to send users back to your application after successful (or unsuccessful) authorisation. This must match one of the redirect URIs you specified when you created your application. For more details see our reference guide. |
If there are any issues with your call to our authorisation endpoint, we return an HTTP error status to your user’s browser.
Any errors not listed are probably not from us. One possible cause is a network access issue.
| Error scenario | HTTP status | Error code | Error message |
|---|---|---|---|
| Client ID is missing | 400 (Bad Request) |
invalid_request |
client_id is required |
| Client ID is invalid | 400 (Bad Request) |
invalid_request |
client_id is invalid |
| Redirect URI is missing | 400 (Bad Request) |
invalid_request |
redirect_uri is required |
| Redirect URI is invalid | 400 (Bad Request) |
invalid_request |
redirect_uri is invalid |
| Response Type is missing | 400 (Bad Request) |
invalid_request |
response_type is required |
| Response Type is invalid | 400 (Bad Request) |
unsupported_response_type |
response_type must be 'code' |
| Scope is missing | 400 (Bad Request) |
invalid_request |
scope is required |
| Scope is invalid | 400 (Bad Request) |
invalid_scope |
scope is invalid |
| Client secret was included in the request | 400 (Bad Request) |
invalid_request |
client_secret should NOT be present |
| Unexpected error occurred | 500 (Internal Server Error) |
server_error |
Various |
For details of which browsers we support for the authorisation journey see OAuth 2.0 browser support, especially if you use an embedded browser.
You need to create an endpoint in your application to receive the authorisation results, which needs to support an HTTP GET to the redirect URI you specified in step 1.
We’ll redirect the user’s browser back to your endpoint once the user has granted your application the requested authority.
Your endpoint must support the following query parameters:
| Parameter | Description |
|---|---|
code |
The authorisation code, if authorisation is successful. This is a single-use token that will expire after 10 minutes. |
state |
The value of the state parameter you provided in the authorisation request, whether authorisation is successful or not. |
error |
Always access_denied , if authorisation failed. |
error_description |
Human readable description of the error, if authorisation failed, for example, “user denied the authorization”. |
error_code |
Error code, if authorisation failed, for example, USER_DENIED_AUTHORIZATION .The full list of error codes can change over time, so we recommend you do not cater for specific error codes. |
Example of a redirect we issue after a successful authorisation:
https://www.example.com/auth-redirect?code=6589c5d9fc4b9872b1f9013583c2f39d&state=30de877c-ee2f-15db-8314-0800200c9a66"
Example of a redirect we issue after an unsuccessful authorisation:
https://www.example.com/auth-redirect?error=access_denied&error_description=user+denied+the+authorization&error_code=USER_DENIED_AUTHORIZATION&state=30de877c-ee2f-15db-8314-0800200c9a66
When you get the authorisation code, you must exchange this for an access token within 10 minutes.
Do this via a POST to our token endpoint.
curl -X POST -H "content-type:application/x-www-form-urlencoded" --data \ "client_secret=[YOUR-CLIENT-SECRET]\ &client_id=[YOUR-CLIENT-ID]\ &grant_type=authorization_code\ &redirect_uri=[YOUR-REDIRECT-URI]\ &code=[AUTHORIZATION-CODE]" \ @{applicationConfig.sandboxApiBaseUrl}/oauth/token
| Parameter | Description |
|---|---|
client_secret |
One of the client secrets for your application. |
client_id |
The Client ID for your application. |
grant_type |
The OAuth 2.0 grant type. Currently the only acceptable value is authorization_code |
redirect_uri |
The same redirect URI you used to call the authorisation endpoint. For more details see our reference guide. |
code |
The authorisation code you received from us in the previous step. |
The response contains the access token used for calling the APIs and a refresh token used to obtain a new access token once the current one expires.
{ "access_token": "QGbWG8KckncuwwD4uYXgWxF4HQvuPmrmUqKgkpQP", "token_type": "bearer", "expires_in": 14400, "refresh_token": "unJkSs5cvs8CS9E4DLvTkNhcRBq9BwUPm23cr3pF", "scope": "read:employment" }
If there are any issues with your call to our token endpoint, we return an HTTP error status.
Errors not listed are probably not from us. One possible cause is a network access issue, for example your network might allow GET requests but not POST requests.
| Error scenario | HTTP status | Error code | Error message |
|---|---|---|---|
| Client ID is missing | 400 (Bad Request) |
invalid_request |
client_id is required |
| Client ID is invalid | 401 (Unauthorized) |
invalid_client |
invalid client id or secret |
| Client Secret is missing | 400 (Bad Request) |
invalid_request |
client_secret is required |
| Client Secret is invalid | 401 (Unauthorized) |
invalid_client |
invalid client id or secret |
| Grant Type is missing | 400 (Bad Request) |
invalid_request |
grant_type is required |
| Grant Type is invalid | 400 (Bad Request) |
invalid_request |
unsupported grant_type |
| Redirect URI is missing | 400 (Bad Request) |
invalid_request |
redirect_uri is required |
| Redirect URI is invalid | 400 (Bad Request) |
invalid_request |
redirect_uri is invalid |
| Code is missing (for example because authorisation failed in step 2) | 400 (Bad Request) |
invalid_request |
code is required for given grant_type |
| Code is invalid | 400 (Bad Request) |
invalid_request |
code is invalid |
| Unexpected error occurred | 500 (Internal Server Error) |
server_error |
Various |
You can now call an API using the access_token
we issued. Do this with an Authorization header containing this access_token
as an OAuth 2.0 Bearer Token with the correct API scope.
curl -X GET @{applicationConfig.sandboxApiBaseUrl}/hello/user \ -H "Accept: application/vnd.hmrc.1.0+json" \ -H "Authorization: Bearer [ACCESS-TOKEN]"
A user's access_token
expires after 4 hours.
If the user's access_token
has expired, calls from your application to an API will receive a response with an HTTP status code of 401 (Unauthorized)
and an error code of INVALID_CREDENTIALS
.
To refresh the access_token
, submit the expired token’s corresponding refresh_token
to our token endpoint using grant_type
of refresh_token
.
You can only use a refresh_token
once. When you refresh an access_token
, it invalidates the original access_token
immediately if it has not already expired.
Be careful to avoid creating any race conditions when refreshing access tokens if your application supports concurrent API access.
curl -X POST -H "content-type: application/x-www-form-urlencoded" --data \ "client_secret=[YOUR-CLIENT-SECRET]\ &client_id=[YOUR-CLIENT-ID]\ &grant_type=refresh_token\ &refresh_token=[REFRESH-TOKEN]" \ @{applicationConfig.sandboxApiBaseUrl}/oauth/token
{ "access_token": "unJkSs5cvs8CS9E4DLvTkNhcRBq9BwUPm23cr3pF", "token_type": "bearer", "expires_in": 14400, "refresh_token": "jPtmQuLtKmLhGURk8CmR2sWPmffBhDhPyFEEF4ay" }
If there are any issues with your call to our token endpoint, we return an HTTP error status.
Errors not listed are probably not from us. One possible cause is a network access issue.
| Error scenario | HTTP status | Error code |
|---|---|---|
| Client ID is missing | 400 (Bad Request) |
invalid_request |
| Client ID is invalid | 401 (Unauthorized) |
invalid_client |
| Client Secret is missing | 400 (Bad Request) |
invalid_request |
| Client Secret is invalid | 401 (Unauthorized) |
invalid_client |
| Grant Type is missing | 400 (Bad Request) |
invalid_request |
| Grant Type is invalid | 400 (Bad Request) |
invalid_request |
| Refresh Token is missing | 400 (Bad Request) |
invalid_request |
| Refresh Token is invalid | 400 (Bad Request) |
invalid_grant |
| Refresh operation is already in progress | 400 (Bad Request) |
invalid_request |
| Unexpected error occurred | 500 (Internal Server Error) |
server_error |
Unless revoked earlier by the user, or tampered with, the authorisation granted to your application expires after 18 months, and you can no longer refresh the user's access_token
.
If the user's refresh_token
has expired, calls from your application to our token endpoint will return a response with an HTTP status code of 400 (Bad Request) and an error code of invalid_grant
.
When this happens, your application must send the user back through the full process for Getting an OAuth 2.0 access token in-page link.
A user can revoke the authority granted to your application at any time using the Manage authorised applications online service.
Some agent organisations have more than one Government Gateway account, and their client relationships are spread across those accounts. There are a few ways to handle this:
Our OAuth 2.0 implementation supports applications that are installed on a user's device, as long as it can access the system browser or an embedded browser.
The Redirect URI determines how the authorization_code
is returned to your application.
Where your application is running on a remote web server, your Redirect URI returns the authorization_code
to that server. You can then centrally manage your authorisation tokens.
In distributed applications, where your application is installed on a user's device and there's no centralised web server, you have the following options for a Redirect URI:
The authorization_code
is returned to a web server running on the client at the specified port.
This may not always be suitable, for example where a firewall stops your client from listening on a HTTP port.
We recommend this approach for any installed application that's supported by the client configuration.
The authorization_code
is rendered in the title of a HTML page where you can parse the DOM to retrieve the code. You can then programmatically close the window before the user sees the rendered web page.
If your application can't parse the DOM or close the window, the HTML page renders the authorization_code
along with a message asking the user to copy the code and paste it into your application, before closing the window.
The authorisation code is rendered in the title of a HTML page. The user sees a message asking them to close the browser window.
Use this if your application can detect that the page has loaded and parse the DOM to retrieve the code from the title, but can't close the window.


[ aws . directconnect ]
Deprecated in favor of describe-loa .
Returns the LOA-CFA for a Connection.
The Letter of Authorization - Connecting Facility Assignment (LOA-CFA) is a document that your APN partner or service provider uses when establishing your cross connect to AWS at the colocation facility. For more information, see Requesting Cross Connects at AWS Direct Connect Locations in the AWS Direct Connect user guide.
See also: AWS API Documentation
describe-connection-loa
--connection-id <value>
[--provider-name <value>]
[--loa-content-type <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]
The ID of the connection. This field is also used as the ID type for operations that use multiple connection types (LAG, interconnect, and/or connection).
Example: dxcon-fg5678gh
Default: None
The name of the APN partner or service provider who establishes connectivity on your behalf. If you supply this parameter, the LOA-CFA lists the provider name alongside your company name as the requester of the cross connect.
Default: None
A standard media type indicating the content type of the LOA-CFA document. Currently, the only supported value is "application/pdf".
Default: application/pdf
Possible values:
- application/pdf
--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values.
--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.
To describe your LOA-CFA for a connection using Linux or Mac OS X
The following example describes your LOA-CFA for connection dxcon-fh6ayh1d. The contents of the LOA-CFA are base64-encoded. This command uses the --output and --query parameters to control the output and extract the contents of the loaContent structure. The final part of the command decodes the content using the base64 utility, and sends the output to a PDF file.
aws directconnect describe-connection-loa --connection-id dxcon-fh6ayh1d --output text --query loa.loaContent|base64 --decode > myLoaCfa.pdf
To describe your LOA-CFA for a connection using Windows
The previous example requires the use of the base64 utility to decode the output. On a Windows computer, you can use certutil instead. In the following example, the first command describes your LOA-CFA for connection dxcon-fh6ayh1d and uses the --output and --query parameters to control the output and extract the contents of the loaContent structure to a file called myLoaCfa.base64. The second command uses the certutil utility to decode the file and send the output to a PDF file.
aws directconnect describe-connection-loa --connection-id dxcon-fh6ayh1d --output text --query loa.loaContent > myLoaCfa.base64
certutil -decode myLoaCfa.base64 myLoaCfa.pdf
For more information about controlling AWS CLI output, see Controlling Command Output from the AWS Command Line Interface in the AWS Command Line Interface User Guide.
loa -> (structure)
A structure containing the Letter of Authorization - Connecting Facility Assignment (LOA-CFA) for a connection.
loaContent -> (blob)
The binary contents of the LOA-CFA document.loaContentType -> (string)
A standard media type indicating the content type of the LOA-CFA document. Currently, the only supported value is "application/pdf".
Default: application/pdf


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I'm a northerner transplant living in Austin, TX. I have a degree in Graphic Design but I am currently changing my path to a Front End Web Developer. I've been making websites since I was a kid playing around in Geocities, which turned into making wordpress sites. The more I learn about web development the more I realize I need to learn.
Right now I am spending most of my time learning JavaScript. I want to master things like ES6, OOP, Closures, Functional programming, and so on.


"""Utilities
"""
# pylint: disable=no-member
import collections.abc
import math
import os
[docs]def floor(value, size, offset=200):
"""Floor of `value` given `size` and `offset`.
The floor function is best understood with a diagram of the number line::
-200 -100 0 100 200
<--|--x--|-----|--y--|--z--|-->
The number line shown has offset 200 denoted by the left-hand tick mark at
-200 and size 100 denoted by the tick marks at -100, 0, 100, and 200. The
floor of a value is the left-hand tick mark of the range where it lies. So
for the points show above: ``floor(x)`` is -200, ``floor(y)`` is 0, and
``floor(z)`` is 100.
>>> floor(10, 100)
0.0
>>> floor(120, 100)
100.0
>>> floor(-10, 100)
-100.0
>>> floor(-150, 100)
-200.0
>>> floor(50, 167)
-33.0
"""
return float(((value + offset) // size) * size - offset)
[docs]def path(filename):
"Return full path to `filename` in freegames module."
filepath = os.path.realpath(__file__)
dirpath = os.path.dirname(filepath)
fullpath = os.path.join(dirpath, filename)
return fullpath
[docs]def line(a, b, x, y):
"Draw line from `(a, b)` to `(x, y)`."
import turtle
turtle.up()
turtle.goto(a, b)
turtle.down()
turtle.goto(x, y)
[docs]def square(x, y, size, name):
"""Draw square at `(x, y)` with side length `size` and fill color `name`.
The square is oriented so the bottom left corner is at (x, y).
"""
import turtle
turtle.up()
turtle.goto(x, y)
turtle.down()
turtle.color(name)
turtle.begin_fill()
for count in range(4):
turtle.forward(size)
turtle.left(90)
turtle.end_fill()
[docs]class vector(collections.abc.Sequence):
"""Two-dimensional vector.
Vectors can be modified in-place.
>>> v = vector(0, 1)
>>> v.move(1)
>>> v
vector(1, 2)
>>> v.rotate(90)
>>> v
vector(-2.0, 1.0)
"""
# pylint: disable=invalid-name
PRECISION = 6
__slots__ = ('_x', '_y', '_hash')
[docs] def __init__(self, x, y):
"""Initialize vector with coordinates: x, y.
>>> v = vector(1, 2)
>>> v.x
1
>>> v.y
2
"""
self._hash = None
self._x = round(x, self.PRECISION)
self._y = round(y, self.PRECISION)
@property
def x(self):
"""X-axis component of vector.
>>> v = vector(1, 2)
>>> v.x
1
>>> v.x = 3
>>> v.x
3
"""
return self._x
@x.setter
def x(self, value):
if self._hash is not None:
raise ValueError('cannot set x after hashing')
self._x = round(value, self.PRECISION)
@property
def y(self):
"""Y-axis component of vector.
>>> v = vector(1, 2)
>>> v.y
2
>>> v.y = 5
>>> v.y
5
"""
return self._y
@y.setter
def y(self, value):
if self._hash is not None:
raise ValueError('cannot set y after hashing')
self._y = round(value, self.PRECISION)
[docs] def __hash__(self):
"""v.__hash__() -> hash(v)
>>> v = vector(1, 2)
>>> h = hash(v)
>>> v.x = 2
Traceback (most recent call last):
...
ValueError: cannot set x after hashing
"""
if self._hash is None:
pair = (self.x, self.y)
self._hash = hash(pair)
return self._hash
[docs] def __len__(self):
"""v.__len__() -> len(v)
>>> v = vector(1, 2)
>>> len(v)
2
"""
return 2
[docs] def __getitem__(self, index):
"""v.__getitem__(v, i) -> v[i]
>>> v = vector(3, 4)
>>> v[0]
3
>>> v[1]
4
>>> v[2]
Traceback (most recent call last):
...


Device detection
Getting single capabilities and capability sets using JavaScript
My single capability
My capability set


nips nips2002 nips2002-18 nips2002-18-reference knowledge-graph by maker-knowledge-mining
Source: pdf
Author: Peter Dayan, Maneesh Sahani, Gregoire Deback
Abstract: Adaptation is a ubiquitous neural and psychological phenomenon, with a wealth of instantiations and implications. Although a basic form of plasticity, it has, bar some notable exceptions, attracted computational theory of only one main variety. In this paper, we study adaptation from the perspective of factor analysis, a paradigmatic technique of unsupervised learning. We use factor analysis to re-interpret a standard view of adaptation, and apply our new model to some recent data on adaptation in the domain of face discrimination.
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[42] Weiler R & Wagner HJ (1984) Light-dependent change of cone-horizontal cell interactions in carp retina. Brain Resesarch 298, 1-9.


{% load static %}
{% include 'nav_bar.html' %} {% include 'store_header.html' with id=id subheader="Commission Info" %}| Active Commissions |
|---|
| 1. Request for {{order.customer}} View |
| Final product | Client | Rating | Detailed ratings | Comments | Cost | Date | Request Details |
|---|---|---|---|---|---|---|---|
| @Podestris | Overall: 5.0
|
Quality: 5.0
Communication: 5.0 Professionalism: 5.0 Timeliness: 5.0 |
Melabrook did such an amazing job on my OC! It came out exactly like how I imagined it. I would highly recommend her. | $10 | 1 day ago | Click here | |
| @DeadUpon | Overall: 4.8
|
Quality: 5.0
Communication: 5.0 Professionalism: 5.0 Timeliness: 4.6 |
I was really pleased about the final result! The work was completed a week after the deadline, so it could have been a bit more timely. | $10 | 3 days ago | Click here | |
| @Podestris | Overall: 5.0
|
Quality: 5.0
Communication: 5.0 Professionalism: 5.0 Timeliness: 5.0 |
Melabrook did such an amazing job on my OC! It came out exactly like how I imagined it. I would highly recommend her. | $10 | 1 day ago | Click here |


In this section we will guide you through deploying an application on top of Lachesis. Lachesis comes with the Dummy application which is used in this demonstration. It is a simple chat application where participants write messages on a channel and Lachesis guarantees that everyone sees the same messages in the same order.
We have provided a series of scripts to bootstrap a demo. Let us first use the easy method to view the demo and then we will take a closer look at what is happening behind the scenes.
Make sure you have Docker <https://docker.com>
__ installed.
The demo will pull Docker images from our official public Docker registry
<https://hub.docker.com/u/andrecronje/>
__
[...]/lachesis$ cd demo
[...]/lachesis/demo$ make
Once the testnet is started, a script is automatically launched to monitor consensus figures:
consensus_events:180 consensus_transactions:40 events_per_second:0.00 id:1 last_block_index:3 last_consensus_round:17 num_peers:3 round_events:7 rounds_per_second:0.00 state:Babbling sync_rate:1.00 transaction_pool:0 undetermined_events:18
consensus_events:180 consensus_transactions:40 events_per_second:0.00 id:3 last_block_index:3 last_consensus_round:17 num_peers:3 round_events:7 rounds_per_second:0.00 state:Babbling sync_rate:1.00 transaction_pool:0 undetermined_events:20
consensus_events:180 consensus_transactions:40 events_per_second:0.00 id:2 last_block_index:3 last_consensus_round:17 num_peers:3 round_events:7 rounds_per_second:0.00 state:Babbling sync_rate:1.00 transaction_pool:0 undetermined_events:21
consensus_events:180 consensus_transactions:40 events_per_second:0.00 id:0 last_block_index:3 last_consensus_round:17 num_peers:3 round_events:7 rounds_per_second:0.00 state:Babbling sync_rate:1.00 transaction_pool:0 undetermined_events:20
Running docker ps -a
will show you that 9 docker containers have been launched:
[...]/lachesis/demo$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
ba80ef275f22 andrecronje/watcher "/watch.sh" 48 seconds ago Up 7 seconds watcher
4620ed62a67d andrecronje/dummy "dummy '--name=client" 49 seconds ago Up 48 seconds 1339/tcp client4
847ea77bd7fc andrecronje/lachesis "lachesis run --cache_s" 50 seconds ago Up 49 seconds 80/tcp, 1337-1338/tcp node4
11df03bf9690 andrecronje/dummy "dummy '--name=client" 51 seconds ago Up 50 seconds 1339/tcp client3
00af002747ca andrecronje/lachesis "lachesis run --cache_s" 52 seconds ago Up 50 seconds 80/tcp, 1337-1338/tcp node3
b2011d3d65bb andrecronje/dummy "dummy '--name=client" 53 seconds ago Up 51 seconds 1339/tcp client2
e953b50bc1db andrecronje/lachesis "lachesis run --cache_s" 53 seconds ago Up 52 seconds 80/tcp, 1337-1338/tcp node2
0c9dd65de193 andrecronje/dummy "dummy '--name=client" 54 seconds ago Up 53 seconds 1339/tcp client1
d1f4e5008d4d andrecronje/lachesis "lachesis run --cache_s" 55 seconds ago Up 54 seconds 80/tcp, 1337-1338/tcp node1
Indeed, each node is comprised of an App and a Lachesis node (cf Design section).
The watcher
container monitors consensus figures.
Run the demo
script to play with the Dummy App
which is a simple chat application
powered by the Lachesis consensus platform:
[...]/lachesis/demo$ make demo
.. image:: assets/demo.png
Finally, stop the testnet:
[...]/lachesis/demo$ make stop
The above scripts hide a lot of the complications involved in setting up a Lachesis network. They generate the configuration files automatically, copy them to the right places and launch the nodes in Docker containers. We recommend looking at these scripts closely to understand how the demo works. Here, we will attempt to explain the individual steps that take place behind the scenes.
Lachesis reads configuration from the directory specified by the datadir
flag
which defaults to ~/.lachesis
on linux/osx. This directory must contain two
files:
peers.json
: Lists all the participants in the network.priv_key.pem
: Contains the private key of the validator running the node. Every participant has a cryptographic key-pair that is used to encrypt, sign and verify messages. The private key is secret but the public key is used by other nodes to verify messages signed with the private key. The encryption scheme used by Lachesis is ECDSA with the P256 curve.
To run a Lachesis network, it is necessary to predefine who the participants are going to be. Each participant will generate a key-pair and decide which network address it is going to be using for the Lachesis protocol. Someone, or some process, then needs to aggregate the public keys and network addresses of all participants into a single file - the peers.json file. Every participant uses a copy of the same peers.json file. Lachesis will read that file to identify the participants in the network, communicate with them and verify their cryptographic signatures.
To generate key-pairs in a format usable by Lachesis, we have created the
keygen
command. It is left to the user to derive a scheme to produce the
configuration files but the docker demo scripts are a good place to start.
So let us say I want to participate in a Lachesis network. I am going to start by
running lachesis keygen
to create a key-pair:
::
lachesis keygen Your private key has been saved to: /home/martin/.lachesis/priv_key.pem Your public key has been saved to: /home/martin/.lachesis/key.pub
The private key looks something like this:
::
-----BEGIN EC PRIVATE KEY----- MHcCAQEEIJ3orqofiSXu07mD+f46gZFK3EKSTqhXsbLVmA/aLmyqoAoGCCqGSM49 AwEHoUQDQgAEXgNNc8hJdWrntlFcpg2WpakRsTpNi0W8DgsC7bRQCd9szAdO6298 Z5V0D5k2ZO3ulw+KcXyJNE+EN/QSvfDRfA== -----END EC PRIVATE KEY-----
and the corresponding public key looks like this:
::
0x045E034D73C849756AE7B6515CA60D96A5A911B13A4D8B45BC0E0B02EDB45009DF6CCC074EEB6F7C6795740F993664EDEE970F8A717C89344F8437F412BDF0D17C
DO NOT REUSE THESE KEYS
Next, I am going to copy the public key (key.pub) and communicate it to whoever is responsible for producing the peers.json file. At the same time, I will tell them that I am going to be listening on <IP_ADDRESS>:1337.
Suppose three other people do the same thing. The resulting peers.json file could look something like this:
[
{
"NetAddr":"<IP_ADDRESS>:1337",
"PubKeyHex":"0x0471AEE3CAE4E8442D37C9F5481FB32C4531511988652DF923B79ED4ED992021183D31E0F6FBFE96D89B6D03D7250292DFECD4FC414D83A5C38FA3FAD0D8572864"
},
{
"NetAddr":"<IP_ADDRESS>:1337",
"PubKeyHex":"0x045E034D73C849756AE7B6515CA60D96A5A911B13A4D8B45BC0E0B02EDB45009DF6CCC074EEB6F7C6795740F993664EDEE970F8A717C89344F8437F412BDF0D17C"
},
{
"NetAddr":"<IP_ADDRESS>:1337",
"PubKeyHex":"0x047CCCD40D90B331C64CE27911D3A31AF7DC16C1EA6D570FDC2120920663E0A678D7B5D0C19B6A77FEA829F8198F4F487B68206B93B7AD17D7C49CA7E0164D0033"
},
{
"NetAddr":"<IP_ADDRESS>:1337",
"PubKeyHex":"0x0406CB5043E7337700E3B154993C872B1C61A84B1A739528C4A10135A3D64939C094B4A999BD21C3D5E9E9ECF15B202414F073795C9483B2F51ADA7EE59EB5EAC4"
}
]
Now everyone is going to take a copy of this peers.json file and put it in a folder together with the priv_key.pem file they generated in the previous step. That is the folder that they need to specify as the datadir when they run Lachesis.
Let us take a look at the help provided by the Lachesis CLI:
::
Run node
Usage: lachesis run [flags]
Flags: --cache-size int Number of items in LRU caches (default 500) -c, --client-connect string IP:Port to connect to client (default "<IP_ADDRESS>:1339") --datadir string Top-level directory for configuration and data (default "/home/martin/.lachesis") --heartbeat duration Time between gossips (default 1s) -h, --help help for run -l, --listen string Listen IP:Port for lachesis node (default ":1337") --log string debug, info, warn, error, fatal, panic --max-pool int Connection pool size max (default 2) -p, --proxy-listen string Listen IP:Port for lachesis proxy (default "<IP_ADDRESS>:1338") -s, --service-listen string Listen IP:Port for HTTP service --standalone Do not create a proxy --store Use badgerDB instead of in-mem DB --sync-limit int Max number of events for sync (default 100) -t, --timeout duration TCP Timeout (default 1s)
So we have just seen what the datadir
flag does. The listen
flag
corresponds to the NetAddr in the peers.json file; that is the endpoint that
Lachesis uses to communicate with other Lachesis nodes.
As we explained in the architecture section, each Lachesis node works in conjunction with an application for which it orders transactions. When Lachesis and the application are connected by a TCP interface, we specify two other endpoints:
proxy-listen
: where Lachesis listens for transactions from the Appclient-connect
: where the App listens for transactions from Lachesis We can also specify where Lachesis exposes its HTTP API providing information on
the Poset and Blockchain data store. This is controlled by the optional
service-listen
flag.
Finally, we can choose to run Lachesis with a database backend or only with an
in-memory cache. With the store
flag set, Lachesis will look for a database
file in datadir
/babdger_db. If the file exists, the node will load the
database and bootstrap itself to a state consistent with the database and it
will be able to proceed with the consensus algorithm from there. If the file
does not exist yet, it will be created and the node will start from a clean
state.
Here is how the Docker demo starts Lachesis nodes together wth the Dummy application:
::
for i in $(seq 1 $N)
do
docker run -d --name=client$i --net=lachesisnet --ip=172.77.5.$(($N+$i)) -it andrecronje/dummy:0.4.0 \
--name="client $i" \
--client-listen="172.77.5.$(($N+$i)):1339" \
--proxy-connect="172.77.5.$i:1338" \
--discard \
--log="debug"
done
for i in $(seq 1 $N)
do
docker create --name=node$i --net=lachesisnet --ip=172.77.5.$i andrecronje/lachesis:0.4.0 run \
--cache-size=50000 \
--timeout=200ms \
--heartbeat=10ms \
--listen="172.77.5.$i:1337" \
--proxy-listen="172.77.5.$i:1338" \
--client-connect="172.77.5.$(($N+$i)):1339" \
--service-listen="172.77.5.$i:80" \
--sync-limit=1000 \
--store \
--log="debug"
docker cp $MPWD/conf/node$i node$i:/.lachesis
docker start node$i
done
Once a node is up and running, we can call the stats
endpoint exposed by the
HTTP service:
::
curl -s http://<IP_ADDRESS>:80/stats
or request to see a specific block:
::
curl -s http://<IP_ADDRESS>:80/block/1
Or we can look at the logs produced by Lachesis:
::
docker logs node1


Make sure that the drivers and the OpenHaptics SDK are correctly installed on your computer. Use the demonstration applications provided by 3D Systems to verify if your device is calibrated and correctly operating.
Only the Windows drivers can support multiple Phantom devices. In order to configure a second device, please review the installation chapter about 3D System.
Support for the Novint Falcon requires installing the drivers from Force Dimension. please review the installation chapter for more information.
If you have designed your own haptic device, you can easily interface it to CHAI3D by completing the template found in file src/devices/CMyCustomDevice.h/.cpp Simply follow the instructions included in the template.
We suggest that you carefully review the many new examples provided with the framework as these demonstrate how to use all the latest functionalities. Earlier examples found in CHAI3D 2.0 have also been ported to the latest version, and therefore these examples will give you a good idea on how to update your code.
First check that the OpenGL drivers have been correctly installed on your computer. For that we suggest that you review the chapter about the installation.
CHAI3D 3.0 also relies on the GLEW library (OpenGL), and therefore it is important to always initialize GLEW at the beginning of you application by calling glewInit(). Check the examples and templates for more information.
Yes Qt and .NET are supported. While all examples have been written using FreeGLUT, we have included templates for Qt and .NET as well. These can be found in the ./templates directory.
The latest version of CHAI3D is free and is released under the BSD license. Please note that if you are planning to commercialize your application, you are responsible for not infringing on any patents owned by third party companies or academic institutions.
Yes of course! If you have found some bugs, improved the documentation, or perhaps developed a new module, please contact us. (suppo) rt@c hai3d .org
The best way to learn about CHAI3D is to read the HTML documentation and to review the exhaustive collection of examples that come with the framework.
Yes, professional support for CHAI3D is provided by Force Dimension (suppo) rt@f orced imen sion. com


-
iPad: The Microwave Oven of Computing
techinch.com
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Slack - Windows Engineer
jobs.lever.co
We're a San Francisco-based company founded by core members of the original Flickr team. Our principal investors are Accel Partners, Andreessen ...
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iPhone camera evolution: How does the iPhone 6 camera compare to previous ...
snapsnapsnap.photos
How does the iPhone 6 camera stack up against previous hardware? In her ongoing series, professional iPhone photographer Lisa Bettany takes a hard ...
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Some iPhone 6 Plus Owners Accidentally Bending Their iPhones in Pockets
www.macrumors.com
As highlighted in a few reports shared in the MacRumors forums, a small but growing number of iPhone 6 Plus owners have reportedly bent their ...
-
2014 Internet Trends — Kleiner Perkins Caufield Byers
www.kpcb.com
Partnering with great entrepreneurs to build the next big thing.
-
Business School, Disrupted - NYTimes.com
www.nytimes.com
If any institution is equipped to handle questions of strategy, it is Harvard Business School , whose professors have coined so much of the strategic ...
-
Product Strategy Means Saying No - Inside Intercom
blog.intercom.io
If you're building a product, you have to be great at saying No. Not 'maybe' or 'later'. The only word is No. Building a great product isn't about ...
-
WIRED
www.wired.com
Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, ...
-
Coursera
www.coursera.org
Take free online classes from 80+ top universities and organizations. Coursera is a social entrepreneurship company partnering with Stanford ...
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Dating with match.com | Make love happen
www.europe.match.com
Start dating and make love happen with match.com the UK's biggest online dating site. Find singles in your area and relationship advice all on ...
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Box | Free Cloud Storage, Secure Content & Online File Sharing
www.box.com
Box offers free cloud storage and file sharing services that enables you to securely share and access files online.
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Technology at the Bottom of the Pyramid: Lessons from Nigeria's Largest ...
www.eventbrite.com
Gbenga Sesan will be speaking on the University of Waterloo (UW) campus about the challenges and opportunities with enabling access to technology at ...
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Academic freedom goes global - FT.com
www.ft.com
Although Kevin Werbach has made his name teaching about games, there are some things that the Wharton business school professor takes very seriously. ...
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Sugata Mitra: Build a School in the Cloud
www.youtube.com
Onstage at TED2013, Sugata Mitra makes his bold TED Prize wish: Help me design the School in the Cloud, a learning lab in India, where children can ...
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There's Something Fundamentally Wrong With The College Business Model
www.businessinsider.com
Higher education could be vastly cheaper. ;
-
Official google.org Blog: Improving Internet access in emerging markets
blog.google.org
People are constantly finding new ways to use the Internet to address our biggest challenges: global education, health care, clean water, effective ...
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Learning Creative Learning - Session 1
www.youtube.com
The Introduction to Learning Creative Learning starts at 16:03. The part before covers some of the logistics of the online component of the course.
-
Bookneto - Bookneto.com
bookneto.com
Bookneto requires Javascript to function, but you seem to have it disabled. Please enable javascript .
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John Hennessey - President Stanford University
vimeo.com
Stanford University is one of the pioneers of online learning, offering a number of existing programs online, as well as being part of massive open ...
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Lynda.com Raises $103M in First Ever Financing (EdSurge News)
www.edsurge.com
LYNDA.COM: $103 million to Carpinteria, CA-based lynda.com from Accel Partners and Spectrum Equity, with Meritech Capital Partners participating. ...
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All Design Lessons - Hack Design
hackdesign.org
Learn how to get started in design. Featuring 50+ lessons from top designers.
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RIM's Mike Lazaridis Takes A Quantum Leap Of Faith In Waterloo
www.fastcompany.com
RIM cofounder Mike Lazaridis has spent more than $250 million to establish a new tech hub in . . . Waterloo, Ontario?
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The Case for a Teacher Bar Exam
www.theatlantic.com
American education won't succeed until schoolteachers are seen as highly professional men and women.


{% extends "base.html" %} {% block content %}
This document as a way to quick start the dashboard page.
Look into the base.html class which this page imports as a default.


|
Kurt CobainLead singer and songwriter of Nirvana, committed suicide with a shotgun blast to the head, prompting an unprecedented 24 hour MTV Cobain-athon. Married singer Courtney Love. Had a fondness for old time actress Frances Farmer, but their daughter Frances Bean is actually named after Frances McKee of the Vaselines.Author Charles Cross:
"Kurt was fascinated by LaVey and wanted to get him to play on something. He said that several times when he visited San Francisco and went by the Melvins' house, which was just down the street from LaVey's. He had heard that he played cello. Kurt did want him to play on some future recording; he said this before they went into the studio for Nevermind."
Timeline
|


War medals and priceless jewellery stolen from Plymouth home
Devon and Cornwall Police is appealing for information after the 'high value' burglary
by Molly DowrickWar medals and priceless jewellery have been stolen from a Plymouth home in a heartless burglary, police have revealed.
The 'high value' burglary has seen a significant amount of jewellery, several watches, two parachute regiment cap badges and two war medals taken from a property on Larkham Lane in Plympton.
The incident occurred on Thursday, September 26, between 8.30 and 5.30pm.
Now, Devon and Cornwall Police has released further information about the burglary and is appealing for information from the public.
Devon and Cornwall Police says entry to the property was 'forced' before the 'high value' burglary took place.
Police say the victim, a man in his 50s, was informed by his family that a number of items, including two war medals and high value jewellery, had been taken from his home.
Investigating officer DC Jason Rowe said: "A significant amount of jewellery and valuable items were taken from this property during this incident back in September.
"The victim, a man in his 50s, was informed by his family that a number of items had been taken from the address.
"These items range from watches and earrings, to medals and gold sovereign coins and are of sentimental value to the victim.
"I’m keen to hear from anyone with any information about the incident and anyone who may have seen any of the items mentioned for sale."
The items stolen were:
- An 18ct gold Movado pocket watch
- Two medals, which had been given to the victim, inscribed with the words 'Sgt Mitchell RAOC' and a bar which reads, respectively, 'N. IRAQ' and 'S. TURKER'.
- A silver parrot broach, with red-coloured beak and eyes
- A silver children's dummy with silver chain
- A gold pendant with dragon image on the front
- A gold pendant with rabbit image on the front
- Twelve watches in a brown leather box
- Two Oris watches
- Four Seiko watches
- Two parachute regiment cap badges
Devon and Cornwall Police is appealing for anyone who witnessed the incident or anyone with information to contact police on 101 quoting Crime Reference Number CR/087689/19.


Scholarships
We don’t want cost to prevent you from coming to SRCCON:POWER, which is why we work to keep ticket prices low. To help defray the cost of attending SRCCON:POWER, OpenNews also offers a limited number of travel scholarships. Whether you’re a newsroom developer at a small organization with a strained professional development budget or a freelance developer eager to learn more about journalism code, we want to help you attend.
You do not have to fill out a separate application to apply. Scholarship questions are part of our call for participation form.
What We’re Offering
A ticket to SRCCON:POWER and $500 for you to use toward the cost of travel to the event. (For scholarship recipients who live in the Philadelphia area, we offer a SRCCON:POWER ticket without the additional travel funding.)
Who Should Apply
- Anyone who is part of the journalism code community
- Anyone interested in learning more about the journalism code community
- People of color, women, and other underrepresented groups in technology are strongly encouraged to apply
How to Apply
Select the “Would you like to be considered for a SRCCON:POWER scholarship?” option on the application call for participation form. A few scholarship-specific questions will pop onto the form.
When Notifications Go Out
Notifications for scholarships will go out alongside other notifications as part of the call for participation.
What Happens After SRCCON:POWER
You tell us how it went! We’ll send you a short followup survey and will be excited to check out any blog posts or code repos that come out of your participation at SRCCON:POWER.
Why are you offering this scholarship?
We want to make sure that SRCCON:POWER is an event that includes the diversity of the communities we serve—geographically, demographically, experientially, and more. We know that travel costs can be a hardship, and offer this scholarship as a way to help mitigate that.
How do you decide who will receive a scholarship?
OpenNews staff reviews all applications. We prioritize applications from members of communities under-represented in journalism and technology and from smaller and non-coastal newsrooms.
Do I still need to purchase a ticket to SRCCON:POWER?
If you receive a scholarship, you will not have to purchase a ticket.
When will I receive my scholarship?
When we notify scholarship recipients, we will include information about how to receive the scholarship funds. In short, you will need to fill out a form and send some tax paperwork for our administrators to process the payment. It may take a month or so for check processing.
What if I need more than $500 for my travel?
We’re able to offer $500 scholarships at this time. Luckily, Philadelphia is a relatively cheap city once you arrive. Also, this entire site runs off a Github repo, so if you say, wanted to add a link to a room-share board, you could go right ahead and do that. Or, you can email with any suggestions.


ChromeOS is getting increasingly more powerful, and for many users, it can already do most of their everyday tasks. But on occasion, it is convenient to have access to a full Linux desktop environment. If you remembered to leave your PC running, you can always connect to it with Chrome Remote Desktop, but what do you do if you don't have a PC or it you don't normally leave it powered on? Wouldn't it be useful to have a virtual server that can be reached from anywhere on the internet?
Many users, even if they don't have an "always-on" Linux desktop, do have at least temporary access to a PC. And that's a great choice for executing the commands in this tutorial. But thanks to the magic of Termux, all you really need is your ChromeOS device. You might consider installing an Ubuntu chroot though, as it gives access to more command line utilities than plain Termux does.
 You can cheaply rent one from a multitude of different hosting providers. But for the purposes of this tutorial, we'll configure an LXD container instance instead.
You do not necessarily need to perform these steps, if you already have access to a (virtual) machine that you want to use, and if you don't want to run LXD to further partition that server.
On the other hand, since LXD is available for many different distributions. You can follow this tutorial and install an Ubuntu container, even if the host runs a different Linux distribution. Note, these days it is strongly recommended to install LXD in the form of a snap package, if possible.
These commands must be executed on the server that is going to host your container.
sudo snap install lxd
sudo lxd init
lxc launch ubuntu:16.04 cloud-linux
For the rest of this tutorial, we'll use lxc
exec cloud-linux -- ...
to run commands inside of
our container. Of course, if you have a different type of virtual
environment, ssh
might the appropriate command
instead.
Also, LXD defaults to creating an ubuntu
user in
addition to root
. This user can
use sudo
to gain elevated privileges without having
to enter another password. If your virtual machine is configured
differently, you might need to make adjustments.
In order to be able to turn on Chrome Remote Desktop, we already need a working X Windows desktop environment that runs inside of the container. While this sounds like a Catch 22, there fortunately are ways to temporarily give us a working X Windows environment.
We install the XFCE desktop environment, as its default configuration doesn't have any expensive graphical effects. This works better over slow internet links.
Password: Pick any arbitrary password here
Verify: …
Would you like to enter a view-only password (y/n)? n
xauth: file /home/ubuntu/.Xauthority does not exist
New 'X' desktop is cloud-linux:1
Creating default startup script /home/ubuntu/.vnc/xstartup
Starting applications specified in /home/ubuntu/.vnc/xstartup
Log file is /home/ubuntu/.vnc/cloud-linux:1.log
lxc exec cloud-linux -- env DISPLAY=:1 \
sudo -iu ubuntu /etc/xdg/xfce4/xinitrc
The next step depends a lot on your choice of virtual container environment. If there is no firewall between you and services running inside your container, then you don't have to do anything special at this point.
On the other hand, if you can only contact your container
through the lxc
command, then you should forward the
port that is used by VNC:
lxc exec cloud-linux -- apt-get -y install netcat
nc -l -p 5901 -c 'lxc exec cloud-linux -- \
su -c "nc <IP_ADDRESS> 5901" ubuntu'
On the other hand, if you access your virtual machine through SSH, you might want to try something along these lines instead:
ssh -L 5901:<IP_ADDRESS>:5901 -N cloud-linux
You should now be able to connect to your container from
any VNC
Client. Simply tell it to establish a connection
to localhost
on port 5901
. Please note
that this is not the default port (that would be 5900
). When
prompted, enter the VNC password that you picked earlier.
In your newly-configured virtual Linux environment, open the
Chromium browser by finding it in the application menu (most likely
located in the top left-hand corner). Go
to https://www.google.com/chrome/browser/desktop/
and
download the Chrome installer for Ubuntu 64bit. You can now close
Chromium.
Open a terminal window and type the following commands; when
you install Chrome with dpkg -i
, there might be an
error message, that you can safely ignore.
sudo dpkg -i ~/Downloads/google-chrome-stable_current_amd64.deb
sudo apt-get -y install -f
Open Applications↦Internet↦Google
Chrome
. Make sure that you are logged into your Google
account in this browser. Then find
the Chrome
Remote Desktop extension in the Web Store, and install
it. Launch the newly installed Chrome Remote Desktop app.
You'll have to click away a couple of informational messages
until you see an option that reads Remote Assistance:
User-to-user screen sharing
. Select that option, then click
on Share this computer for another user to see and
control
. Allow Chrome to download the Chrome Remote Desktop
installer.
Once the package has completed downloading, close all browser windows.
From within the terminal window, install the package that you just downloaded. At this point, we also make a couple of configuration changes that the installer forgets to do:
echo 'exec /etc/xdg/xfce4/xinitrc' \
>/home/ubuntu/.chrome-remote-desktop-session
chmod 755 /home/ubuntu/.chrome-remote-desktop-session
echo 'export CHROME_REMOTE_DESKTOP_DEFAULT_DESKTOP_SIZES=3840x2560' |
tee -a /home/ubuntu/.profile
sudo dpkg -i ~/Downloads/chrome-remote-desktop_current_amd64.deb
dpkg: dependency problems prevent configuration of chrome-remote-desktop:
chrome-remote-desktop depends on xvfb-randr | xvfb; however:
Package xvfb-randr is not installed.
Package xvfb is not installed.
chrome-remote-desktop depends on xbase-clients; however:
Package xbase-clients is not installed.
chrome-remote-desktop depends on python-psutil; however:
Package python-psutil is not installed.
Errors were encountered while processing:
chrome-remote-desktop
sudo apt-get -y install -f
sudo adduser ubuntu chrome-remote-desktop
Launch Applications↦Chrome Apps↦Chrome Remote
Desktop
. If you see an item that reads Access your
computer from anywhere
, click on the Get
Started
button. This option sometimes doesn't show. That's
OK. But in either case, click on Enable remote
connections
when you see it.
You'll be prompted to pick a PIN for this computer. Pick something that you can remember. You'll need it each time you want to connect with a new Remote Desktop client.
Restart your container and try connecting to it with Chrome Remote Desktop. From this point forward, you no longer need VNC. So, let's clean up all temporarily used resources:
lxc restart cloud-linux
lxc exec cloud-linux -- \
apt-get remove --purge -y vnc4server chromium-browser
lxc exec cloud-linux -- apt-get autoremove --purge -y
lxc exec cloud-linux -- apt-get clean
lxc exec cloud-linux -- rm -rf \
/home/ubuntu/.vnc \
/home/ubuntu/.config/chromium \
/home/ubuntu/Downloads/google-chrome-stable_current_amd64.deb \
/home/ubuntu/Downloads/chrome-remote-desktop_current_amd64.deb
Now you are all set, and if you feel like it, you can open a
terminal window and install your favorite desktop applications:
sudo apt-get -y install libreoffice
sudo apt-get clean


Toggle navigation
TRAI
Quality of Service Analysis
Home
Team
Source
Community
Technical Support
Call Drop Rates in %
Call Drop & Network Utilization
April, 2016
March, 2016
Call Drop Rate
% Network Utilization on 2G Networks
% N/W Utilization
Providers:
Time:
April, 2016
March, 2016
Location:
Geo Status


Tic-Tac-Toe
Easy
Medium
Impossible
Player vs. AI
Player vs Player (Local)
Player vs Player (Network)
Share
X
-
O
-
Start game or select player
Restart game


Order a pizza
Ordering form
Size
Large ($16)
Medium ($12)
Small ($8)
Toppings
Meats (+ $2 each)
Pepperoni
Sausage
Ham
Bacon
Veggies (+ $1 each)
Mushrooms
Onions
Olives
Peppers
Pineapple
Order
Order confirmation
You're pizza will be ready soon.
Order breakdown
Item
Price
Total


Comments plugin file index:
comments.js
comment-preview
index.html
comment-form
comment
comment-story
compact_comments.sh


text
`Prev `__
T
`Next `__
--------------
**text**: n.
1. [techspeak] Executable code, esp. a pure code portion shared between
multiple instances of a program running in a multitasking OS. Compare
`*English* <../E/English.html>`__.
2. Textual material in the mainstream sense; data in ordinary
`*ASCII* <../A/ASCII.html>`__ or `*EBCDIC* <../E/EBCDIC.html>`__
representation (see `*flat-ASCII* <../F/flat-ASCII.html>`__). “Those are
text files; you can review them using the editor.”
These two contradictory senses confuse hackers, too.
--------------
+------------------------+----------------------------+--------------------------------------+
| `Prev `__ | `Up <../T.html>`__ | `Next `__ |
+------------------------+----------------------------+--------------------------------------+
| TeX | `Home <../index.html>`__ | thanks in advance |
+------------------------+----------------------------+--------------------------------------+


NickolasStone
Web and Mobile Application Developer and SEO Specialist
I started 4+ years ago as an innovated IT Manager, Front End Developer (HTML/CSS/JS), then dug deep in the .NET namespace of development but still with a eye for design.
Originally specializing in C#, ASP.NET, MVC, Mobile, UX/UI, SQL, and overall web development, I really took fullstack Object Oriented JS, .NET, and MVC Frameworks are my bread and butter. (Angular 2, MVC.NET, EF/JSON/XML, APIs, Web Services, EmberJS, Backbone, and REACT stacks!)
I started a small technology business at a young age and was also a project manager for a large building corporation in KC before leaving for Chicago on a College baseball scholarship, when my baseball career ended unexpectedly, I came back to KC to get back into the exploding IT Business market that I'm so passionate about.
Today, you'll find that I've worked with Fortune 50 companies such as Verizon, worked on many different projects for the US Government and agencies.


Installation
Download the plugin here : https://github.com/lwiesel/boilerplate/archive/master.zip
or use the Bower Component available by taping:
bower install jquery-fadethis
Then, include the script after jQuery. Requires jQuery 1.4+.

Basic usage
Add this before the body closing tag:

and add one of the following classes to the elements you want to target:
Appear from left

Appear from right

Appear from top

Appear from bottom

Advanced usage
Set configuration for the whole page
$(window).fadeThis({speed: 1000});

Set configuration per block
$('.block').fadeThis({speed: 1000});

When defining elements options, the rule is First come, first served. The options set for a block doesn't override previous block options adressing the same elements, or page options. So if you use block options definition, don't use $(window).fadeThis() before!
Set configuration per element using HTML5 data attributes
$(…).fadeThis(…);

The options set by data attributes override any other options set per block.
Note the position and order of the quotation mark for the data attribute.
For some browsers, reverting this order may cause misunderstanding of the options.
Configuration
speed
default: 500
Animation speed in milliseconds.
distance
default: 50
Element distance to its emplacement, before animation.
offset
default: 0
Scroll offset, allowing to fire fading a little after or before the element appear.
easing
default: "swing"
Animation easing.
If you're using custom easing, you may need to also use jQuery Easing.
reverse
default: true
Make element disappear again when scrolled out, and fade again when scrolled in.
Set this to false if you want elements to stay on page after they appear once.
baseName
default: "slide-"
Base class name for target elements.
scrolledIn
default: null
Function to call when the element come in viewport.
This function is always called, even if reverse is set to false.
scrolledOut
default: null
Function to call when the element go out of the viewport.
This function is always called, even if reverse is set to false.
Supported Browsers
If you use jQuery 1.x, you're safe using jQuery.FadeThis on these browsers :
-
IE 6+
-
Firefox 2+
-
Safari 3+
-
Chrome 8+
-
Opera 10.6+
-
iOS 6+
If you use jQuery 2.x, you're safe using jQuery.FadeThis on these browsers :
-
IE 9+
-
Firefox 3+
-
Safari 5+
-
Chrome 10+
-
Opera 11+
-
iOS 6+


Subtitle of the map
A Project supported by The Cartography and Geovisualization Group at Oregon State University


Wilkinson
This page contains an index of all the individuals in the database with the surname of Wilkinson. Selecting the person’s name will take you to that person’s individual page.
| Given Name | Birth | Death | Partner | Parents |
|---|---|---|---|---|
| Albert Samuel | 1891 | Goddard, Emma “Hilda” May | Wilkinson, Sydney Albert Flitton, Edith M | |
| Alfred | 1901 | Pollard, Gracy | Wilkinson, Henry Thompson, Annie | |
| Alice | Lord, Ellison | |||
| Ann Elizabeth | 1873-01-28 | Wilkinson, Isaac (Butcher) Dawson, Grace | ||
| Archibald | 1913-06-23 | 1999-04-00 | Bray, [Living] | Wilkinson, Albert Samuel Goddard, Emma "Hilda" May |
| Archibald M | 1895 | Wilkinson, Sydney Albert Flitton, Edith M | ||
| Arthur | 1899-01-07 | 1899-09-07 | Wilkinson, Edwin Dugdale, Amy | |
| Arthur | 1899-01-07 | 1899-09-07 | ||
| Arthur | 2nd Qtr 1905 | Raw, Gladys | Wilkinson, Henry Thompson, Annie | |
| Arthur Frank | 1910-10-18 | 1932-06-06 | Wilkinson, Edwin Dugdale, Amy | |
| Arthur Frank | 1910-10-18 | 1932-06-06 | ||
| Betty | 4thQtr 1886 | 1886-12-16 | Wilkinson, William Henry Wilson, Alice | |
| Booth, (Grocer) | 1867-05-13 | Harwood, Florence Alice | Wilkinson, Isaac (Butcher) Dawson, Grace | |
| Charles Edgar | 1898-03-03 | Spears, Margaret | Wilkinson, Henry Thompson, Annie | |
| Edith C. | 1904 | Wilkinson, Sydney Albert Flitton, Edith M | ||
| Edith Olga | 1907-03-24 | 1907-05-29 | Wilkinson, Edwin Dugdale, Amy | |
| Edith Olga | 1907-03-24 | 1907-05-29 | ||
| Edna | 1901-09-00 | 1901-12-12 | Wilkinson, William Henry Wilson, Alice | |
| Edward John | 1871-08-23 | Wilkinson, Isaac (Butcher) Dawson, Grace | ||
| Edwin | 1871-03-29 | 1943-07-10 | Dugdale, Amy | Wilkinson, Eli Emmott, Martha |
| Eli | Wilkinson, William Henry Wilson, Alice | |||
| Eli | 1836-05-11 | 1873-11-04 | Emmott, Martha | Wilkinson, John Baxter, Hannah |
| Elihu | 2nd Qtr 1857 | ???, Margaret | Wilkinson, Thomas ???, Sarah | |
| Elizabeth | 1831 | Wilkinson, John Baxter, Hannah | ||
| Elizabeth ‘Libby’ | 2nd Qtr 1865 | 1895-04-01 | Ellis, Henry | Wilkinson, Eli Emmott, Martha |
| Eva | 1885-08-29 | Waterworth, Robert “Bob” | Wilkinson, William Henry Wilson, Alice | |
| Eva Doreen | 1908-07-28 | 1984-07-02 | Wilkinson, Edwin Dugdale, Amy | |
| Eva Doreen | 1908-07-28 | 1984-07-02 | ||
| Frank Dawson | 2nd Qtr 1902 | Southwell, Lena | Wilkinson, Henry Thompson, Annie | |
| Hannah | 1830 | Wilkinson, John Baxter, Hannah | ||
| Harry Thompson, married Nora ?? | 2nd Qtr 1900 | Wilkinson, Henry Thompson, Annie | ||
| Henry | 1829 | Wilkinson, John Baxter, Hannah | ||
| Henry | 1869-09-09 | 1957-02-04 | Thompson, Annie | Wilkinson, Isaac (Butcher) Dawson, Grace |
| Hilda M. C. | 1907 | Wilkinson, Sydney Albert Flitton, Edith M | ||
| Isaac, (Butcher) | 1843-07-18 | 1878-06-23 | Dawson, Grace | Wilkinson, James Bailey, Hannah |
| Jack, married Madge ?? | 2nd Qtr 1904 | Wilkinson, Henry Thompson, Annie | ||
| James | Bailey, Hannah | |||
| James Peter | 1928-10-10 | 1997-12-00 | Clarkson, [Living] | Wilkinson, Frank Dawson Southwell, Lena |
| Jean Elaine | 1922-06-00 | 1922-07-13 | Wilkinson, Albert Samuel Goddard, Emma "Hilda" May | |
| John | about 1800 | Baxter, Hannah | ||
| John | 1846 | Wilkinson, Thomas ???, Sarah | ||
| John | 1880 | Wilkinson, Elihu ???, Margaret | ||
| Lena Loretta | 1921-07-02 | 2003-07-28 | Dawson, Selwyn Ellis | Wilkinson |
| Lily | 1894-05-09 | 1970-07-10 | Wilkinson, Edwin Dugdale, Amy | |
| Lily | 1894-05-09 | 1970-07-10 | ||
| Martha | 1834 | Wilkinson, John Baxter, Hannah | ||
| Martha Ann | 3rd Qtr 1855 | Wilkinson, Thomas ???, Sarah | ||
| Mary Ann | 1826 | Phillips, Samuel | Wilkinson, John Baxter, Hannah | |
| Mary Elizabeth | 1901-09-16 | 1985-09-11 | Bongers, Leslie | Wilkinson, Edwin Dugdale, Amy |
| Mary Elizabeth “Molly” | 1901-09-16 | 1986-09-11 | ||
| Mary Jane | 1860-11-00 | 1932-04-02 | Waterworth, William Ralph | Wilkinson, Eli Emmott, Martha |
| Olga | 1895-01-30 | Veevers, Richard, Bradley, John | Wilkinson, William Henry Wilson, Alice | |
| Richard | 1828 | Wilkinson, John Baxter, Hannah | ||
| Sarah | 1851 | Wilkinson, Thomas ???, Sarah | ||
| Spurgeon | 1st Qtr 1859 | Wilkinson, Thomas ???, Sarah | ||
| Susannah | 1859 | 1924-05-21 | Harrison, Joseph | Wilkinson, Eli Emmott, Martha |
| Susannah | 4th Qtr 1860 | Wilkinson, Thomas ???, Sarah | ||
| Sydney Albert | Flitton, Edith M | |||
| Thomas | 1825 | ???, Sarah | Wilkinson, John Baxter, Hannah | |
| Thomas Henry | 1878 | Wilkinson, Elihu ???, Margaret | ||
| Una | 1891-04-04 | Sedgwick, John William | Wilkinson, William Henry Wilson, Alice | |
| William | 1834 | Wilkinson, John Baxter, Hannah | ||
| William Henry | 1863-03-25 | 1921-03-24 | Wilson, Alice | Wilkinson, Eli Emmott, Martha |
| Winifred S. I. | 1902 | Wilkinson, Sydney Albert Flitton, Edith M | ||
| [Living] | Williams, Noel George | Wilkinson, Albert Samuel Goddard, Emma "Hilda" May | ||
| [Living] | Dick, Christina Helen | Wilkinson, Albert Samuel Goddard, Emma "Hilda" May | ||
| [Living] | Wilkinson, Booth (Grocer) Harwood, Florence Alice | |||
| [Living] | Wilkinson, Booth (Grocer) Harwood, Florence Alice | |||
| [Living] | Smith, [Living] | Wilkinson, Frank Dawson Southwell, Lena |


{% extends "base.html" %} {% block title %}
Medieval catalogues > LIBRARIES OF KING HENRY VIII > Westminster > Books seen by Bale, 1547-50.
{% endif %}123 identified entries found.
All data was derived from the List of Identifications by Professor Richard Sharpe.
{% if not printing %}
A key to codes used in the List is available (opens in new tab).{% endif %}


This major update brings a plethora of changes to BioModelAnalzyer focused on model storage and motif use!
New combined model and motif libraryMotif libraries support the construction of large models from the reuse of small networks that capturing fundamental biological phenomena. Our previous releases allowed users to interact through a dedicated carousel, allowing users to preview the motifs but gave limited options for sorting and storage. Similarly, users with large model libraries may struggle to sort and find single models. In this release we have developed a new interface to the model repository that combines the unique interface of the model carousel with new sorting and searching functions. In addition to providing a library of developer created models and motifs, users can build and store models and motifs. Models can be opened directly to the canvas, or treated as a motif and dragged into an already open model for reuse and mixing models. Large libraries are made more manageable through search and sorting functions, and models can be annotated with short descriptions.
- Motif library was removed from interface.
- Model repository interface completely reworked. Now it has new layout and structure.
- All motifs are displayed together with models in repository menu.
- Added possibility to create user motifs and save them to storage.
- Preloaded models from launch page added to model repository.
- Added possibility to filter and search the repository.
- Added possibility to preview model and motif berfore its loading to model designer.
- Added possibility to add model contents to existing model rather that just replace it.
- Added possibility to load motif by replacing current model designer content with motif contents.
- Added possibility to edit model/motif name and description for user created models and motifs.
- Fixed issue with model fitting to screen for some models with 2x2 and 3x3 cells.
- Color options in palette popup for variables now show last selected result and highlight options on hover.
- BMA styles updated which includes loading animation, shadows spec, design of popups and some other elements.
- Save button now displays animation when using it.
This release brings some new features and refinements to existing tools!
Variable colour choiceBuilding large, complex models can get confusing quickly. Lots of variables in a small space can make individual pathways hard to view. In this new update we have enabled a choice of different colours for variables! Create a selection of variables with shift-left click and drag, and change their colour using the colour palette tool, or change the colour of the variables you drop onto the canvas by hovering over the tool panel and selecting a new colour. Colours automatically update depending on their location in the cell, with pale extracellular genes and bright intracellular genes.
Bugfixes
- Cut/copy/paste now works when selecting text from the variable target function editor.
- Variable names in LTL states tooltip are extended to increase readability.
- All user modes (pan, variable drop, cell drop, and edge drop) can now be used to create selections.
This release brings a major new features in the tool, and with it a substantial redesign of the canvas. Several new tools are available to users:
Select, cut, copy, and pasteUsers can create selections complex through right-click and drag when navigating the canvas, or right clicking variables. Selections can later be cleared by clicking the navigate icon or through the right-clickable context menu. Selected variables and edges can be copied and pasted within the canvas, or sent through the right click menu to the motif carousel. Moreover, selected regions can be copied to text files and analysed outside of the main tool, and externally created model-text can be pasted into the UI.
Design rethinkTo enable more complex user interaction with the canvas and improve accessibility variable icons and colours have been extensively redesigned. This includes new hover and selection highlights for variables, interactions, and grid cells, alongside a reordering of the top menu and introduction of a “fit to view” button. For users who need the old colour scheme for ongoing work, this is available as an option in the settings menu. Finally, variables with broken target functions are now highlighted in the canvas simplifying model refinement.
BMA fundamentalsThe backend service has been updated, and initial support for GINML import added to the user interface.


--- layout: post title: Buck UP^ date: 2008-06-27 10:06:00.000000000 +10:00 type: post published: true status: publish categories: [] tags: [] meta: lj_itemid: '27' lj_permalink: http://jus4kix.livejournal.com/7167.html lj_current_mood: annoyed author: login: ajaysusarla email<EMAIL_ADDRESS>display_name: partha first_name: '' last_name: '' ---
'UP' is the new buzz word. Lately, everything has been going UPward.
Fuel Prices are UP.
Food Prices are UP.
General Cost of Living is UP.
Unemployment is UP.
Consumption (of nearly everything) is UP.
Salaries are *not* going UP.
As a consequence, the common mans' Blood Pressure is UP.
I can't even imagine what else is on its way UP.
I hope somebody puts a full-stop to this &%$* UP.


The effect of colors
wow! what a spectacular view !
The soothing sight of nature
The bedroom is just amazing
Previous
Next


---
layout: post
title: 'What Good Readers Do:'
date: 2010-07-19 12:01:03.000000000 -07:00
type: post
parent_id: '0'
published: true
pd: ''
status: publish
categories:
- Classroom Talk
- Guest Posts
tags:
- guest post
- reading
- teaching reading
author:
login: k
email: k@k
display_name: mcary
first_name: ''
last_name: ''
---
Guest Post by Julie Niles Petersen:
Fresh out of the master’s program in reading, I created a list of things good readers do. The list was to be used with my students in my new reading specialist position. This list included:
- Preview the text.
- Activate your background knowledge.
- Set a purpose for reading. (What do you want to find out? What do you want to learn? What do you want to do?)
- Make predictions as you read and modify them when necessary.
- When you run across unfamiliar vocabulary words, try to figure out what they mean by using context clues, looking them up in a dictionary, or asking someone else what they mean.
- Monitor your comprehension. As you read, make sure you ask yourself if what you are reading is making sense. If it is not making sense, use one or more comprehension strategies to try to make it make sense.
- THINK while you read! Don’t just read the words and expect to understand.
- Make inferences and then, as you read further, retain them, modify them, or reject them based on additional textual information. Good inferences combine our personal experiences with textual clues. They are supported by the text and consistent with our experiences. (What’s your line of reasoning?)
- Make evaluations–especially about what characters do.
- Visualize (or act it out).
- Draw a picture.
- Try reading it aloud.
- Reread or read ahead.
- Summarize what you read in your own words.
- Use study guides when available.
- Answer questions.
- Ask questions.
- WONDER
- Read with good fluency.
- Know that some answers are found (1) from just the text, (2) from just your head, and (3) by combining information from the text with information in your head.
- Read the titles, headings, and captions.
- Analyze figures, charts, and maps.
- Connect what you read to personal experiences; other texts–including movies, cartoons, TV shows, and songs; and to the world in general.
- Determine the most import ideas.
- Think about cause and effect. (What caused this to happen?)
- Think about the mood of the passage. (Is it happy, sad, scary, intense, dramatic, etc.?)
- Think about the author’s purposes for writing the passage.
- Think about the time the story takes place and connect it to your background knowledge of that time period.
- READ A LOT!!!!!!
- Discuss what you have read with someone else who has read the text, too.
- Write about what you read. Include your “Ah has” and connections.
Now reading this list, you might be thinking, “That is some list!!!” which it is. It’s a great list of things good readers do while they are reading to help them understand. However, it is loaded with jargon that struggling readers often do not understand, isn’t it? That’s what I thought, too. So I decided to think up some kind of mantra that would help struggling readers. This is what I came up with:
You get out of reading what you put into it. Good readers do MORE than just read the words. Good readers think, wonder, reflect, and connect while they read.”
Julie Niles Petersen is a Reading Specialist and blogs about literacy at www.TWRCtank.com .


Vespa is an Italian brand of scooter manufactured by Piaggio. The name means wasp in Italian. The Vespa has evolved from a single model motor scooter manufactured in 1946 by Piaggio & Co. S.p.A. of Pontedera, Italy to a full line of scooters and one of seven companies today owned by Piaggio. From their inception, Vespa scooters have been known for their painted, pressed steel unibody which combines a complete cowling for the engine (enclosing the engine mechanism and concealing dirt or grease), a flat floorboard (providing foot protection), and a prominent front fairing (providing wind protection) into a structural unit.
More than 16 million Vespa motor scooters have been made to date in thirteen countries and sold around the world. When he first saw the prototype, commissioned from Corradino D’Ascanio, a distinguished aero-engineer, industrialist Enrico Piaggio said, “It looks like a wasp!” Or vespa in Italian. Within months of Piaggio’s latest venture going into production in 1946, the Italian language possessed a new verb, vespare, to go somewhere on a Vespa.
D’Ascanio’s Vespa was seductive. It was also cheap and reliable, while its step-through frame meant that women could ride it in skirts, and its concealed engine – tucked under the seat or over its small back wheel – kept oil, grease and dirt from chic Italian clothes.
More than this, the Vespa – which happened to sound like a wasp, too – was fun. Especially so in a post-war Italy still recovering from the Allied bombings and that now turned to the production of modest machines for a domestic market longing for entertainment but with precious little to spend.
You can add tabs to your cards by adding a dividing cards-tabs div inbetween your header content and your tab content.


CliffHanger
Creator:
Codyumm
Length:
Medium
A place where you can find and play custom maps for getting over it!


xcfinfo(1) xcfinfo(1) NAME xcfinfo - display information about GIMP xcf files SYNOPSIS xcfinfo [ options ] filename DESCRIPTION xcfinfo is a command-line tool that displays information about the con‐ tents of image files in the XCF format used by gimp(1), particularly about the layers in the image. OPTIONS -h, --help Print an option summery to standard output and exit with a return code of 0. -j, --bzip Equivalent to -Z bzcat. Default if the filename ends with bz2. -u, --utf8 Use the raw UTF-8 representation from the XCF file to compare and display layer names. Ordinarily, layer names will be converted to the character set of the current locale. -v, --verbose Print progress messages about the conversion to standard error. -V, --version Print the version numer of xcftools to standard output and exit with a return code of 0. -z, --gzip Equivalent to -Z zcat. Default if the filename ends with gz. -Z command, --unpack command Specify a command that the input file is filtered through before being interpreted as an XCF file. The command is invoked as com‐ mand filename and must produce output to its standard output. Note that it is not possible to specify arguments as part of com‐ mand. An uncompressor is selected automatically if the filename ends with gz or bz2; to suppress this, use -Z cat (which is implemented without actually starting a cat(1) process). OUTPUT Information about the image is displayed on standard output in a fixed format. The first line contains general information about the XCF file: - The file format version - The canvas size - The image mode (color, grayscale, or indexed) - The numer of layers - The internal compression algorithm Following this line there is a line for each layer: 1) The character + if the layer is visible and - if it is not 2) The size and offset of the layer 3) The pixel format of the layer, including whether the layer has an alpha channel. 4) The layer mode, as well as the opacity if not 100%, and /mask if the layer has an active layer mask. 5) The name of the layer. EXIT STATUS The exit status of xcfinfo is 0 Success 20 Problems parsing the command line. 21 The specified XCF file does not exist or cannot be read. 123 The XCF file contains presumably valid features that xcftools does not support. (As of this writing there is no known way of getting the Gimp to write an XCF file that will provoke this return. Please notify the author if you discover one). 125 The XCF file is malformed. 126 An uncompression program could not be executed, or terminated abnor‐ mally. 127 Unexpected I/O error, internal errors, or other "this can't happen" situations. If an uncompression program returns an error exit status, this will be returned from xcfinfo too. AUTHOR xcfinfo was written by Henning Makholm<EMAIL_ADDRESS>SEE ALSO xcf2pnm(1), xcf2png(1) Xcftools 2006-02-12 xcfinfo(1)


Welcome to My Boba Shop!
Please pick from the menu below
Milk Tea
Matcha Milk Tea
Mango Slush
Taro Tea
remove milk


Mon Mar 14, 2011
Yesterday, my wife went to church and was helping out on coffee duty. She had left her purse unattended for a few minutes and some low-life cowardly thief took off with it. She lost her wallet with credit cards, bank cards, driver’s licence, car keys, house keys, and new cell phone I had given her for a Christmas present. We cancelled the credit and debit cards immediately.
What sucks is that we had to change the locks on our apartment, which cost $200 because it was a Sunday. My wife’s car alarm goes off every time she opens the car or goes over a bump in the road because the thief took her only fob. That means another couple hundred bucks probably to replace the alarm system. The cops were absolutely useless - we left a message on their answering machine and they never even called back. Equally useless were the building managers, Baywest, who also never returned our request to de-activate the fob to access the building.
So all in all, I’m pretty f***ing pissed off, but I hope I don’t have to lose any more sleep over it. I’ve already lost an hour to the time change.I guess, the only justice is that my wife had less than five bucks cash in her wallet, along with a few left-over pesos from our holiday.  Because we all know what happens in the end to thieves who steal from pregnant ladies at church:


React basics
Components
Components usually form reusable bite-sized pieces of code that return html (which subsequently renders on a page).
Components represent building blocks for constructing user interfaces.
Render function
React renders components in a webpage by calling the ReactDOM.render() function,
(where DOM stands for
Document Object Model).
For example:
ReactDOM.render(
<ComponentToRender />, targetNode
)
Or
ReactDOM.render(
jsxToRender, targetNode
)
JSX
The rendered component can be described in
JSX code.
(where JSX stands for JavaScript
XML.
JSX code normally nests returned html code inside a single html element, eg <div>...</div>
Curly braces {} can execute JavaScript expressions within JSX code.
Since JavaScript reserves the word "class", JSX code defines an HTML element's class with the className attribute, eg className = 'myClassName'.
Similarly, use camelCase for attributes like onChange and onClick.
Example
To illustrate single file React components using map() and filter() functions, see this example and view source code.


or right-click to activate it
Copyright (c) 2012 Ramón Lamana
Basejs by A. Matías Quezada. Video.js by Steve Heffernan and Zencoder Inc.
Loading...


|
MasterScan
Lab_Matlab_control Master Branch
|
Singleton to handle socket communications.
dotsTheMessenger uses an instance of dotsAllSocketObjects to do communications between Matlab instances (or looped-back communictaions to the same Matlab instance). Both Matlab instances are expected to be using dotsTheMessenger.
dotsTheMessenger improves on basic socket messaging in three ways:
Properties and Events | |
| Property | socketsInfo |
| topsGroupedList of info about opened sockets | |
| Property | clockFunction |
| any function that returns the current time as a number | |
| Property | receiveTimeout |
| time in seconds to wait to receive a message More... | |
| Property | ackTimeout |
| time in seconds to wait for acknowledgement of a sent message More... | |
| Property | sendRetries |
| number of times to resend unacknowledged messages More... | |
| Property | socketClassName |
| class name of a dotsAllSocketObjects subclass More... | |
| Property | defaultClientIP |
| string IP address that could be used for a client-side socket More... | |
| Property | defaultServerIP |
| string IP address that could be used for a server-side socket More... | |
| Property | defaultClientPort |
| port number that could be used for a client-side socket More... | |
| Property | defaultServerPort |
| port number that could be used for a server-side socket More... | |
| Property | notAcknowledgedStatus = -111 |
| status code indicating a send message was never acknowqledged | |
| Property | notReceivedStatus = -222 |
| status code indicating no message was received | |
| Properties and Events inherited from dotsAllSingletonObjects | |
| null | obj = theObject(varargin) |
| Return the current class instance from the private constructor. | |
| null | g = gui() |
| Launch a grapical interface for the current instance. | |
Protected Properties | |
| Property | socketObject |
| an instance of socketClassName More... | |
| Property | sentPrefix |
| 1-byte prefix for the previous sent message | |
| Property | receivedPrefix |
| 1-byte prefixs for the previous received message at each socket | |
| Property | prefixModulus = 255 |
| roll-over value for 1-byte message prefixes More... | |
Methods | |
| initialize (self) | |
| Restore the current instance to a fresh state. | |
| status ackTime | sendMessageFromSocket (self, msg, sock, ackTimeout, sendRetries) |
| Send a message from the given socket. More... | |
| msg status | receiveMessageAtSocket (self, sock, receiveTimeout) |
| Receive any message that arrived at the given socket. More... | |
| sock | openSocket (self, localIP, localPort, remoteIP, remotePort) |
| Open a socket for communicating via Ethernet and UDP. More... | |
| status | closeSocket (self, sock) |
| Close a socket. More... | |
| status | flushSocket (self, sock) |
| Clear any data messages and inernal accounting for a socket. More... | |
| sock | openDefaultServerSocket (self) |
| Open a socket with some default "server" properties. | |
| sock | openDefaultClientSocket (self) |
| Open a socket with some default "client" properties. | |
| Methods inherited from dotsAllSingletonObjects | |
| null | reset (varargin) |
| Restore a fresh state without deleting the current instance. | |
| null | initialize (self) |
| Restore a fresh state without deleting the current object, used by constructor and reset(). More... | |
| initializeLists (self, listNames) | |
| Create or refresh topsGroupedList instances. | |
| set (self, varargin) | |
| Set multiple properties. | |
Protected Methods | |
| setSocketReceivedPrefix (self, sock, prefix) | |
| Keep track of the last message prefix received at a socket. | |
| prefix | getSocketReceivedPrefix (self, sock) |
| Get the last message prefix received at a socket. | |
Static Methods | |
| static obj | theObject (varargin) |
| Access the current instance. | |
| static | reset (varargin) |
| Restore the current instance to a fresh state. | |
| static g | gui () |
| Launch a graphical interface for messenger properties. | |
| static description | describeAddress (IP, port) |
| Describe an IP address and socket with one string. More... | |
Private Methods | |
| self | dotsTheMessenger (varargin) |
| Constructor is private. More... | |
|
private |
Constructor is private.
dotsTheMessenger is a singleton object, so its constructor is not accessible. Use dotsTheMessenger.theObject() to access the current instance.
|
static |
Describe an IP address and socket with one string.
| IP | string IP address like '<IP_ADDRESS>' |
| numeric | port number |
Concatnates IP and port into a single descriptive string, with a colon delimiter between IP and port.
| status ackTime sendMessageFromSocket | ( | self | , |
| msg | , | ||
| sock | , | ||
| ackTimeout | , | ||
| sendRetries | |||
| ) |
Send a message from the given socket.
| msg | variable to send as a message |
| sock | numeric identifier for a socket, as returned by openSocket() |
| ackTimeout | seconds to wait for message acknowledgement |
| sendRetries | number of times to resend if unacknowledged |
Converts msg to an array of bytes and sends the bytes from sock, to whatever address and port were specified in the call to openSocket(). msg must be one of the following variable types:
If msg is a cell or struct, it must compose elements of these types. Nested cells and structs are supported. Any msg or element that is an array, including cell arrays, should be at most two-dimensional (mxn). struct arrays should be one-dimenstional (1xn) but may have any number of fields.
If ackTimeout is non-negative, waits for the receiver to send back an acknowledgement of msg. If no acknowledgement arrives within ackTimeout seconds, re-sends msg. Waits and re-sends up to sendRetries times. If ackTimeout is negative, does not wait for any ancknowledgement. ackTimeout and sendRetries may be omitted, in which case the ackTimeout and sendRetries properties are used.
Returns a status code. May return notAcknowledgedStatus if the message was sent but never acknowledged. Other negative status indicates an error and that msg may not have been sent.
Also returns as a second output the amount of time spent waiting for message acknowledgement, whether or not it was ever acknowledged, in units of clockFunction.
| msg status receiveMessageAtSocket | ( | self | , |
| sock | , | ||
| receiveTimeout | |||
| ) |
Receive any message that arrived at the given socket.
| sock | a numeric identifier for a socket, as returned by openSocket() |
| receiveTimeout | seconds to wait for a message to arrive |
Waits up to receiveTimeout seconds for a message to arrive at the given sock. If a message arrives (or had already arrived), returns the message variable. Otherwise, returns []. receiveTimeout may be omitted, in which case the receiveTimeout property is used.
Also returns a status code as a second output. May return notReceivedStatus if no message was available. May return other negative status codes if there was an error reading from sock or decoding message bytes into a variable.
| sock openSocket | ( | self | , |
| localIP | , | ||
| localPort | , | ||
| remoteIP | , | ||
| remotePort | |||
| ) |
Open a socket for communicating via Ethernet and UDP.
| localIP | string IP address for this machine |
| localPort | integer port number to go with the local IP address |
| remoteIP | string IP address for this or another machine |
| remotePort | integer port number to go with the remote IP address |
Opens a network socket connection between ports at two IP addresses. The IP addresses may be the same or different. localIP should be the address of this machine, and may be the "loopback" address, '<IP_ADDRESS>'. The port numbers must be different.
Returns a numeric identifier for the new UDP connection, suitable for use with sendMessageFromSocket(), receiveMessageAtSocket(), and waitForMessageAtSocket();
Stores information about each opened socket in socketsInfo
| status closeSocket | ( | self | , |
| sock | |||
| ) |
Close a socket.
| sock | a numeric identifier for a socket, as returned by openSocket() |
Frees the resources associeted with sock.
Returns a status code. A negative status code probably indicates that sock is not a valid socket identifier.
Searches socketsInfo for sock and removes all instances it finds.
| status flushSocket | ( | self | , |
| sock | |||
| ) |
Clear any data messages and inernal accounting for a socket.
| sock | a numeric identifier for a socket, as returned by openSocket() |
Reads from sock until it has no queued messages and resets dotsTheMessenger's internal accounting for sock, but does not close the sock.
Returns a status code. A negative status code probably indicates that sock is not a valid socket identifier.
| Property receiveTimeout |
time in seconds to wait to receive a message
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property ackTimeout |
time in seconds to wait for acknowledgement of a sent message
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property sendRetries |
number of times to resend unacknowledged messages
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property socketClassName |
class name of a dotsAllSocketObjects subclass
Instantiates an instance of socketClassName to use for opening and closing sockets, and sending and receiving messages. The named dotsAllSocketObjects subclass should be appropriate for the local hardware, operating system, etc.
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property defaultClientIP |
string IP address that could be used for a client-side socket
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property defaultServerIP |
string IP address that could be used for a server-side socket
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property defaultClientPort |
port number that could be used for a client-side socket
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
| Property defaultServerPort |
port number that could be used for a server-side socket
Automatically gets the machine-specific default from dotsTheMachineConfiguration.
|
protected |
an instance of socketClassName
The instance of socketClassName that dotsTheMessenger is using for opening and closing sockets, and sending and receiving messages.
|
protected |
roll-over value for 1-byte message prefixes
prefixModulus wants to be 256, but because of Matlab clips integers rather than rolling them over, 255 is easier to work with. Consider that 255+1 equals 255, not 0.