Class: Aws::Lightsail::Types::CopySnapshotRequest
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
|
Class Chain:
self,
Struct
|
|
|
Instance Chain:
self,
::Aws::Structure ,
Struct
|
|
| Inherits: |
Struct
|
| Defined in: | gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb |
Overview
Constant Summary
Instance Attribute Summary
-
#restore_date ⇒ String
rw
The date of the source automatic snapshot to copy.
-
#source_region ⇒ String
rw
The Amazon Web Services
Region
where the source manual or automatic snapshot is located. -
#source_resource_name ⇒ String
rw
The name of the source instance or disk from which the source automatic snapshot was created.
-
#source_snapshot_name ⇒ String
rw
The name of the source manual snapshot to copy.
-
#target_snapshot_name ⇒ String
rw
The name of the new manual snapshot to be created as a copy.
-
#use_latest_restorable_auto_snapshot ⇒ Boolean
rw
A Boolean value to indicate whether to use the latest available automatic snapshot of the specified source instance or disk.
Instance Method Summary
::Aws::Structure
- Included
| #to_hash | Alias for Structure#to_h. |
Instance Attribute Details
#restore_date ⇒ String
(rw)
The date of the source automatic snapshot to copy. Use the get auto
snapshots
operation to identify the dates of the available
automatic snapshots.
Constraints:
Must be specified in
YYYY-MM-DD
format.This parameter cannot be defined together with the
use latest restorable auto snapshot
parameter. Therestore date
anduse latest restorable auto snapshot
parameters are mutually exclusive.Define this parameter only when copying an automatic snapshot as a manual snapshot. For more information, see the Amazon Lightsail Developer Guide.
# File 'gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb', line 2790
class CopySnapshotRequest < Struct.new( :source_snapshot_name, :source_resource_name, :restore_date, :use_latest_restorable_auto_snapshot, :target_snapshot_name, :source_region) SENSITIVE = [] include Aws::Structure end
#source_region ⇒ String
(rw)
The Amazon Web Services Region
where the source manual or automatic
snapshot is located.
# File 'gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb', line 2790
class CopySnapshotRequest < Struct.new( :source_snapshot_name, :source_resource_name, :restore_date, :use_latest_restorable_auto_snapshot, :target_snapshot_name, :source_region) SENSITIVE = [] include Aws::Structure end
#source_resource_name ⇒ String
(rw)
The name of the source instance or disk from which the source automatic snapshot was created.
Constraint:
- Define this parameter only when copying an automatic snapshot as a manual snapshot. For more information, see the Amazon Lightsail Developer Guide.
^
# File 'gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb', line 2790
class CopySnapshotRequest < Struct.new( :source_snapshot_name, :source_resource_name, :restore_date, :use_latest_restorable_auto_snapshot, :target_snapshot_name, :source_region) SENSITIVE = [] include Aws::Structure end
#source_snapshot_name ⇒ String
(rw)
The name of the source manual snapshot to copy.
Constraint:
- Define this parameter only when copying a manual snapshot as another manual snapshot.
^
# File 'gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb', line 2790
class CopySnapshotRequest < Struct.new( :source_snapshot_name, :source_resource_name, :restore_date, :use_latest_restorable_auto_snapshot, :target_snapshot_name, :source_region) SENSITIVE = [] include Aws::Structure end
#target_snapshot_name ⇒ String
(rw)
The name of the new manual snapshot to be created as a copy.
# File 'gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb', line 2790
class CopySnapshotRequest < Struct.new( :source_snapshot_name, :source_resource_name, :restore_date, :use_latest_restorable_auto_snapshot, :target_snapshot_name, :source_region) SENSITIVE = [] include Aws::Structure end
#use_latest_restorable_auto_snapshot ⇒ Boolean
(rw)
A Boolean value to indicate whether to use the latest available automatic snapshot of the specified source instance or disk.
Constraints:
This parameter cannot be defined together with the
restore date
parameter. Theuse latest restorable auto snapshot
andrestore date
parameters are mutually exclusive.Define this parameter only when copying an automatic snapshot as a manual snapshot. For more information, see the Amazon Lightsail Developer Guide.
# File 'gems/aws-sdk-lightsail/lib/aws-sdk-lightsail/types.rb', line 2790
class CopySnapshotRequest < Struct.new( :source_snapshot_name, :source_resource_name, :restore_date, :use_latest_restorable_auto_snapshot, :target_snapshot_name, :source_region) SENSITIVE = [] include Aws::Structure end


WIN a family pass to Santa's House Express
by James CoxWIN a family pass to Santa's House Express at Palmerstown House Estate, Johnstown, County Kildare, Ireland's leading Santa experience!
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--- layout: post title: The topic in Nexenta chatroom is.. date: 2009-02-13 05:06:32.000000000 +05:30 categories: - Nexenta - Opensolaris tags: - hardy - Nexenta status: publish type: post published: true meta: _edit_last: '1' author: login: admin email<EMAIL_ADDRESS>display_name: admin first_name: '' last_name: '' ---
"NCP2 will be released in 1 month so file your bugs, make your additions and voice your opinion now or forever hold your peace!"
The blueprint you need to keep track of NCP2 release is up at launchpad titled "hardy release".
So there. You have been informed.. if there was a particular bug, or change for NCP you had in mind, let us know! We're so interested, we've created the following ways for you to let us know:
IRC : #nexenta on freenode
Mailing list : gnusol-devel
Launchpad bugs : File a bug..
There are a bunch of things to be done, so your help with development and polishing of NCP2 is welcome and appriciated.


FDSNWS Station Web Service
The station Web service provides access to network, station, channel and
response metadata in FDSN Station
XML format. The metadata may be filtered e.g. by geographic region and
time, also the information depth level is selectable. The
request type is HTTP-GET. Please refer to
http://www.fdsn.org/webservice
for a complete service description.
Available URLs
Feature Notes
- back-end software: SeisComP3
- includeavailability request parameter not implemented
- updatedafter request parameter not implemented: The last
modification time in SeisComP is tracked on the object level. If a child
of an object is updated the update time is not propagated to all parents.
In order to check if a station was updated all children must be evaluated
recursively. This operation would be much to expensive.
- matchtimeseries request parameter not implemented
- additional request parameters, effective only for xml output:
- formatted: boolean, default: false
- additional values of request parameters:
- format
- standard: [xml, text]
- additional: [fdsnxml (=xml), stationxml, sc3ml]
- default: xml


|
Perl Weekly
Issue #63 - 2012-10-08 - Endorsing Perl skills
latest | archive | by Gabor Szabo
|
|
Hi,
I loved Cesky Krumlov and it was nice to be back in Prague after so many years. Prices are much higher than last time I visited, but the town is beautiful, and the clock is still working. We also had very good weather which made walking around very plesant. If you have the time, I'd recommend visiting Prague!
In the meantime, go read the articles:
|
|
|
Announcements
|
|
|
Articles
|
An Overview of Lexing and Parsing
Have you ever wondered what is Yacc and Bison? Maybe Lex and Flex? Have you heard of Marpa? Do you know the job of a lexer and a parser? Do you know how to turn a grammar into a real language? Ron Savage explains all that.
|
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|
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Smoked Modules, Montreal-style
Yanick Champoux extended his previous idea of testing the Dancer plugins, to test any set of Perl modules and to be extensible.
|
|
tie() in perlito5
Perlito allows compiling Perl to Javascript and running it in your browser. I think it can be very useful as an educational tool, or, if it had easy access to the DOM in the browser, you could write your front-end code in Perl.
|
|
Discussion
|
Building DWIM Perl for Linux
This is the first step in my attempt to (re)build the Perl distribution that will contain everything you will ever need to build Perl applications.
|
|
Releases
|
|
|
Survey
|
|
|
Code
|
Localize Your Perl modules with Locale::TextDomain and Dist::Zilla
It is probably only interesting to people who are writing applications where there is an actual interaction with users, but such application are also written in a modular way. So knowing how to make it easier to translate the text displayed by your application is a good thing.
|
|
Grants
|
2012Q4 Call for Grant Proposals
The Perl Foundation offers grants between $500-$2000 for projects that need a little financial help. The dead-line to submit your proposal is 31 October 2012.
|
|
Fixing Perl5 Core Bugs: Report for Month 31
The report of Dave Mitchell contains a couple interesting issues with the regex engine of perl. For example you probably knew that using $` or $' will make your regexes slow. Did you also know that using these variables can make your regexes correct? It has been fixed now. (I'll let you guess which part was fixed.).
|
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Perl 6
|
Sums of Fourth Powers
Some interesting Perl 6 code examples by Solomon Foster (colomon). For example, operations on infinite ranges.
|
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Other
|
Endorsing Perl skills
I think LinkedIN provides a great platform to find potential employees, employers, clients or service providers. For a long time it had a feature where you could recommend people by writing a few lines of, well, recommendation. Now they have a new feature that makes it much easier to endorese people. It is only a click away. brian d foy explains the new feature and recommends that you use it. I am not sure how to really encourage people to do that, but I do think it can be an important factor in finding good Perl developers. I'd also recommend to watch the linked presentation of Rachel Botsman.
|
|
Training
|
Perl School 2
Dave Cross finished the second run of his Modern Perl training class in London. This time he charged a little money and more people turned up to his class than the previous time when the training was free.
|
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Weekly collections
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Past events
|
A Glimpse of YAPC::Asia Tokyo 2012
Daisuke Maki (lestrrat), the main organizer of YAPC::Asia looks back at the event and provides and overview. There are links to pictures and videos as well!
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Events
I usually list the next 3-4 events here. The list of all the events can be found on the web site. If your Perl event is not listed there, please let me know.
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You know, you could get the Perl Weekly right in your mailbox. Every Week. Free of charge!
|


In this module, you’ll use AWS Lambda to process data from the wildrydes
Amazon Kinesis stream created earlier. We’ll create and configure a Lambda function to read from the stream and write records to an Amazon DynamoDB table as they arrive.
Use the Amazon DynamoDB console to create a new DynamoDB table. Call your table UnicornSensorData
and give it a Partition key called Name
of type String and a Sort key called StatusTime
of type String. Use the defaults for all other settings.
After you’ve created the table, note the Amazon Resource Name (ARN) for use in the next section.
✅ Step-by-step Instructions
Go to the AWS Management Console, choose Services then select DynamoDB under Database.
Click Create table.
Enter UnicornSensorData
for the Table name.
Enter Name
for the Partition key and select String for the key type.
Tick the Add sort key checkbox. Enter StatusTime
for the Sort key and select String for the key type.
Leave the Use default settings box checked and choose Create.
Scroll to the Table details section of your new table’s properties and note the Amazon Resource Name (ARN). You will use this in the next step.
Use the IAM console to create a new role. Name it WildRydesStreamProcessorRole
and select Lambda for the role type. Attach the managed policy called AWSLambdaKinesisExecutionRole
to this role in order to grant permissions for your function to read from Amazon Kinesis streams and to log to Amazon CloudWatch Logs. Create a policy that allows dynamodb:BatchWriteItem
access to the DynamoDB table created in the last section and attach it to the new role.
✅ Step-by-step Instructions
From the AWS Console, click on Services and then select IAM in the Security, Identity & Compliance section.
Select Policies from the left navigation and then click Create policy.
Using the Visual editor, we’re going to create an IAM policy to allow our Lambda function access to the DynamoDB table created in the last section. To begin, click Service, begin typing DynamoDB in Find a service, and click DynamoDB.
Click Action, begin typing BatchWriteItem in Filter actions, and tick the BatchWriteItem checkbox.
Click Resources, click Add ARN in table, and construct the ARN of the DynamoDB table you created in the previous section by specifying the Region, Account, and Table Name.
In Region, enter the AWS Region in which you created the DynamoDB table in the previous section, e.g.: us-east-1.
In Account, enter your AWS Account ID which is a twelve digit number, e.g.:<PHONE_NUMBER>12. To find your AWS account ID number in the AWS Management Console, click on Support in the navigation bar in the upper-right, and then click Support Center. Your currently signed in account ID appears in the upper-right corner below the Support menu.
In Table Name, enter UnicornSensorData.
You should see your ARN in the Specify ARN for table field and it should look similar to:
Click Add.
Click Review policy.
Enter WildRydesDynamoDBWritePolicy
in the Name field.
Click Create policy.
Select Roles from the left navigation and then click Create role.
Click Lambda for the role type from the AWS service section.
Click Next: Permissions.
Begin typing AWSLambdaKinesisExecutionRole
in the Filter text box and check the box next to that role.
Begin typing WildRydesDynamoDBWritePolicy
in the Filter text box and check the box next to that role.
Click Next: Review.
Enter WildRydesStreamProcessorRole
for the Role name.
Click Create role.
Create a Lambda function called WildRydesStreamProcessor
that will be triggered whenever a new record is avaialble in the wildrydes stream. Use the provided index.js implementation for your function code. Create an environment variable with the key TABLE_NAME
and the value UnicornSensorData
. Configure the function to use the WildRydesStreamProcessor
role created in the previous section.
✅ Step-by-step Instructions
Go to the AWS Management Console, choose Services then select Lambda under Compute.
Click Create a function.
Enter WildRydesStreamProcessor
in the Function name field.
Select Node.js 10.x from Runtime.
Select WildRydesStreamProcessorRole from the Existing role dropdown.
Click Create function.
Scroll down to the Function code section.
Copy and paste the JavaScript code below into the code editor.
'use strict';
const AWS = require('aws-sdk');
const dynamoDB = new AWS.DynamoDB.DocumentClient();
const tableName = process.env.TABLE_NAME;
exports.handler = function(event, context, callback) {
const requestItems = buildRequestItems(event.Records);
const requests = buildRequests(requestItems);
Promise.all(requests)
.then(() => callback(null, `Delivered ${event.Records.length} records`))
.catch(callback);
};
function buildRequestItems(records) {
return records.map((record) => {
const json = Buffer.from(record.kinesis.data, 'base64').toString('ascii');
const item = JSON.parse(json);
return {
PutRequest: {
Item: item,
},
};
});
}
function buildRequests(requestItems) {
const requests = [];
while (requestItems.length > 0) {
const request = batchWrite(requestItems.splice(0, 25));
requests.push(request);
}
return requests;
}
function batchWrite(requestItems, attempt = 0) {
const params = {
RequestItems: {
[tableName]: requestItems,
},
};
let delay = 0;
if (attempt > 0) {
delay = 50 * Math.pow(2, attempt);
}
return new Promise(function(resolve, reject) {
setTimeout(function() {
dynamoDB.batchWrite(params).promise()
.then(function(data) {
if (data.UnprocessedItems.hasOwnProperty(tableName)) {
return batchWrite(data.UnprocessedItems[tableName], attempt + 1);
}
})
.then(resolve)
.catch(reject);
}, delay);
});
}
In the Environment variables section, enter an environment variable with Key TABLE_NAME
and Value UnicornSensorData
.
In the Basic settings section. Set the Timeout to 1 minute.
Scroll up and select Kinesis from the Designer section.
In the Configure triggers section, select wildrydes-summary from Kinesis Stream.
Leave Batch size set to 100 and Starting position set to Latest.
Click Add.
Click Enabled to enable the trigger.
Click Save.
Verify that the trigger is properly executing the Lambda function. View the metrics emitted by the function and inspect the output from the Lambda function.
✅ Step-by-step Instructions
Run the producer to start emiting sensor data to the stream with a unique unicorn name.
./producer -name Rocinante
Click on the Monitoring tab and explore the metrics available to monitor the function. Click on Jump to Logs to explore the function’s log output.
Using the AWS Management Console, query the DynamoDB table for data for a specific unicorn. Use the producer to create data from a distinct unicorn name and verify those records are persisted.
✅ Step-by-step Instructions
Click on Services then select DynamoDB in the Database section.
Click Tables from the left-hand navigation
Click on UnicornSensorData.
Click on the Items tab. Here you should see each per-minute data point for each Unicorn for which you’re running a producer.
🔑 You can subscribe Lambda functions to automatically read batches of records off your Kinesis stream and process them if records are detected on the stream.
🔧 In this module, you’ve created a Lambda function that reads from the Kinesis stream of summary unicorn data and saves each row to DynamoDB.
✅ Proceed to the next module, Data Lake, wherein you’ll deliver the raw stream data from the Kinesis stream to Kinesis Data Firehose for delivery to Amazon S3 and use Amazon Athena to query that raw data.


| Key |
Value |
| Name |
{{ group.name }} |
| Updated At |
{{ group.updated_at }} |
| Created At |
{{ group.created_at }} |
{% if group.project_set.count > 0 %}
{% include "projects/projects_table.html" with projects=group.project_set.all %}
{% endif %}
{% if group.training_set.count > 0 and request.user.has_full_access %}
{% include "training/trainings_table.html" with trainings=group.training_set.all %}
{% endif %}


Dashboard
Total Sales
$36,059
Credit Sales$24,834
Channel Sales$15,650
Direct Sales| November Sales | Quantity | Total |
|---|---|---|
| Dallas Oak Dining Chair | 20 | $1,342 |
| Benmore Glass Coffee Table | 18 | $1,550 |
| Aoraki Leather Sofa | 15 | $4,170 |
| Bali Outdoor Wicker Chair | 25 | $2,974 |


Naming Things is Hard
There are only two hard things in Computer Science: cache invalidation and naming things.
Naming things is hard. It's also, very important. The people who read your code later (most likely, you) - will thank you. I don't write code with the goal of never having to change it. I write it with the intention of being able to change it quickly and easily in the future. Being able to quickly read/understand the code, will allow for this to be a reality. The first step in this, is naming things well.
When I'm naming variables - I normally write them down (with an actual pen --gasp-- ), on post-it notes and stick them to my monitor. Every hour or so I'll glance at them and see what jumps out at me. Often times my most critical/constructive thoughts are within the first 4 seconds. When I don't do this, I invent a series of variable names that are tied for first place in horribleness.
variable_19, portW, curr, navCURR, currLeft, pos2, and one of my real gems... to_do_changeLater.Those are actual variable names from slop that I have written. I named these variables in haste. And now I have no idea what data they store.  Variable names like this are basically keeping secrets from the reader. Great variable names don't keep secrets. They stand at the tops of mountains and broadcast to the world in big neon lights what they're up to.
Important points from other people: Variables are our first step in the notion of abstraction
Data and Data2 http://www.oreillynet.com/onlamp/blog/2004/03/the_worlds_two_worst_variable.html


MTB map based on openstreetmap data. Update interval: ~monthly See mtb:scale and mountainbike on openstreetmap wiki. Made by zvenzzon.
This application requires Javascript. Please enable it to view the map.


How To Tell If You Are Running A 32 Bit Or 64 Bit Version Of Windows
Architecture How Do I Check If I Have A 32 Bit Or A 64 Bit Os Ask Ubuntu
Cpu Architecture What Are The Differences Between 32 Bit And 64 Bit And Which Should I Choose Ask Ubuntu
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Cpu Architecture What Are The Differences Between 32 Bit And 64 Bit And Which Should I Choose Ask Ubuntu
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Android Developers Blog Get Your Apps Ready For The 64 Bit Requirement
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Statement On 32 Bit I386 Packages For Ubuntu 19 10 And 20 04 Lts Ubuntu


--- layout: root menuitem: Publication Ethics title: Statement of Publication Ethics author: Editor subtitle: 'Statement of Publication Ethics' description: "Our publication ethics and code of practices" category: other meta_image: "assets/img/seal.gif" ---
Our ethics statement is based on COPE's Best Practice Guidelines for Journal Editors.
Evaluation Process
The editor is responsible for deciding which of the articles submitted to Hyperrhiz should be published. The editor may be guided by the policies of the our editorial board and constrained by such legal requirements as shall then be in force regarding libel, copyright infringement and plagiarism. The editor may confer with other editors or reviewers in making this decision.
Following initial evaluation the editor shall send out promising works for further evaluation by qualified reviewers. Every effort will be made to anonymize submissions for review; however, we acknowledge that in the case of complex multimedia or art works such practice may be impossible.
Nondiscrimination
The editor will at any time evaluate manuscripts for their intellectual content without regard to race, gender, sexual orientation, religious belief, ethnic origin, citizenship, or political philosophy of the authors.
Confidentiality
The editor and any editorial staff will not disclose any information about a submitted manuscript to anyone other than the corresponding author, reviewers, potential reviewers, other editorial advisers, and the publisher, as appropriate.
Disclosure and conflicts of interest
Unpublished materials disclosed in a submitted manuscript must not be used in an editor's own research without the express written consent of the author.
Contribution to Editorial Decisions
Peer review assists the editor in making editorial decisions and through the editorial communications with the author may also assist the author in improving the paper.
Promptness
Any selected referee who feels unqualified to review the research reported in a manuscript or knows that its prompt review will be impossible should notify the editor and excuse himself or herself from the review process.
Confidentiality
Any manuscripts received for review must be treated as confidential documents. They must not be shown to or discussed with others except as authorized by the editor.
Standards of Objectivity
Reviews should be conducted objectively. Personal criticism of the author is inappropriate.
Referees should express their views clearly with supporting arguments.
Acknowledgement of Sources
Reviewers should identify relevant published work that has not been cited by the authors. Any statement that an observation, derivation, or argument had been previously reported should be accompanied by the relevant citation. A reviewer should also call to the editor's attention any substantial similarity or overlap between the manuscript under consideration and any other published paper of which they have personal knowledge.
Disclosure and Conflict of Interest
Privileged information or ideas obtained through peer review must be kept confidential and not used for personal advantage. Reviewers should not consider manuscripts in which they have conflicts of interest resulting from competitive, collaborative, or other relationships or connections with any of the authors, companies, or institutions connected to the papers.
Reporting standards
Authors of reports of original research should present an accurate account of the work performed as well as an objective discussion of its significance. Underlying data should be represented accurately in the paper. A paper should contain sufficient detail and references to permit others to replicate the work. Fraudulent or knowingly inaccurate statements constitute unethical behavior and are unacceptable.
Data Access and Retention
While not required, authors are offered the option of providing raw data or other files in connection with a paper for editorial review, and at publication encouraged to provide, at their discretion, downloadable data and source files for the purposes of scholarly inquiry and (with permission) remix.
Originality and Plagiarism
The authors should ensure that they have written entirely original works, and if the authors have used the work and/or words of others that this has been appropriately cited or quoted.
Multiple, Redundant or Concurrent Publication
An author should not in general publish identical or substantively similar written manuscripts in more than one journal or primary publication. Submitting the same manuscript to more than one journal concurrently constitutes unethical publishing behavior and is unacceptable.
Creative art works may at the discretion of the editor be republished in Hyperrhiz, in keeping with the ethos of gallery exhibition (rather than print publication), provided the author acknowledges previous exhibition in other venues.
Acknowledgement of Sources
Proper acknowledgment of the work of others must always be given. Authors should cite publications that have been influential in determining the nature of the reported work.
Authorship of the Paper
Authorship should be limited to those who have made a significant contribution to the conception, design, execution, or interpretation of the reported study. All those who have made significant contributions should be listed as co-authors. Where there are others who have participated in certain substantive aspects of the research project, they should be acknowledged or listed as contributors. The corresponding author should ensure that all appropriate co-authors and no inappropriate co-authors are included on the paper, and that all co-authors have seen and approved the final version of the paper and have agreed to its submission for publication.
Disclosure and Conflicts of Interest
All authors should disclose in their manuscript any financial or other substantive conflict of interest that might be construed to influence the results or interpretation of their manuscript. All sources of financial support for the project should be disclosed.
Fundamental errors in published works
When an author discovers a significant error or inaccuracy in his/her own published work, it is the author’s obligation to promptly notify the journal editor or publisher and cooperate with the editor to retract or correct the paper.


THIS IS THE MAIN HEADING
Home
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AboutDLC
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Gallery
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Lifestyle
Landscapes
Clubhouses
Wellness


One of MobileUI's primary concerns is UX Design, so we offer a easy way to install new fonts in your web apps.
You can install any source in the Google Fonts repository. Example, I want to install the fonts Open Sans light and Monoton, my command would look like this:
mobileui install font "Monoton|Open+Sans:300"


RegExFlags Enumerated Type
Definition
Line
10
of
System.Text.RegularExpressions/RegEx.cm
Underlying Type
int
Enumeration Constants
none
0
A pattern is represented as an
Nfa
and must match entire input string.
compiled
1 << 0
Compile pattern to a
Dfa
.
matchLine
1 << 1
Matches any occurrence of a pattern in a whole line of text.


Asynchronous Method Invocation
Session beans can implement asynchronous methods, business methods where control is returned to the client by the enterprise bean container before the method is invoked on the session bean instance. Clients may then use the Java SE concurrency API to retrieve the result, cancel the invocation, and check for exceptions. Asynchronous methods are typically used for long-running operations, for processor-intensive tasks, for background tasks, to increase application throughput, or to improve application response time if the method invocation result isn't required immediately.
When a session bean client invokes a typical non-asynchronous business method, control is not returned to the client until the method has completed. Clients calling asynchronous methods, however, immediately have control returned to them by the enterprise bean container. This allows the client to perform other tasks while the method invocation completes. If the method returns a result, the result is an implementation of the java.util.concurrent.Future<V> interface, where “V” is the result value type. The Future<V> interface defines methods the client may use to check if the computation is completed, wait for the invocation to complete, retrieve the final result, and cancel the invocation.
Creating an Asynchronous Business Method
Annotate a business method with javax.ejb.Asynchronous to mark that method as an asynchronous method, or apply @Asynchronous at the class level to mark all the business methods of the session bean as asynchronous methods. Session bean methods that expose web services can't be asynchronous.
Asynchronous methods must return either void or an implementation of the Future<V> interface. Asynchronous methods that return void can't declare application exceptions, but if they return Future<V>, they may declare application exceptions. For example:
@Asynchronous public Future<String> processPayment(Order order) throws PaymentException { ... }
This method will attempt to process the payment of an order, and return the status as a String. Even if the payment processor takes a long time, the client can continue working, and display the result when the processing finally completes.
The javax.ejb.AsyncResult<V> class is a concrete implementation of the Future<V> interface provided as a helper class for returning asynchronous results. AsyncResult has a constructor with the result as a parameter, making it easy to create Future<V> implementations. For example, the processPayment method would use AsyncResult to return the status as a String:
@Asynchronous public Future<String> processPayment(Order order) throws PaymentException { ... String status = ...; return new AsyncResult<String>(status); }
The result is returned to the enterprise bean container, not directly to the client, and the enterprise bean container makes the result available to the client. The session bean can check if the client requested that the invocation be cancelled by calling the javax.ejb.SessionContext.wasCancelled method. For example:
@Asynchronous public Future<String> processPayment(Order order) throws PaymentException { ... if (SessionContext.wasCancelled()) { // clean up } else { // process the payment } ... }
Calling Asynchronous Methods from Enterprise Bean Clients
Session bean clients call asynchronous methods just like non-asynchronous business methods. If the asynchronous method returns a result, the client receives a Future<V> instance as soon as the method is invoked. This instance can be used to retrieve the final result, cancel the invocation, check whether the invocation has completed, check if there were any exceptions thrown during processing, and check if the invocation was cancelled.
Retrieving the Final Result from an Asynchronous Method Invocation
The client may retrieve the result using one of the Future<V>.get methods. If processing hasn't completed by the session bean handling the invocation, calling one of the get methods will result in the client halting execution until the invocation completes. Use the Future<V>.isDone method to determine if processing has completed before calling one of the get methods.
The get() method returns the result as the type specified in the type value of the Future<V> instance. For example, calling Future<String>.get() will return a String object. If the method invocation was cancelled, calls to get() result in a java.util.concurrent.CancellationException being thrown. If the invocation resulted in an exception during processing by the session bean, calls to get() result in a java.util.concurrent.ExecutionException being thrown. The cause of the ExecutionException may be retrieved by calling the ExecutionException.getCause method.
The get(long timeout, java.util.concurrent.TimeUnit unit) method is similar to the get() method, but allows the client to set a timeout value. If the timeout value is exceeded, a java.util.concurrent.TimeoutException is thrown. See the Javadoc for the TimeUnit class for the available units of time to specify the timeout value.
Cancelling an Asynchronous Method Invocation
Call the cancel(boolean mayInterruptIfRunning) method on the Future<V> instance to attempt to cancel the method invocation. The cancel method returns true if the cancellation was successful, and false if the method invocation cannot be cancelled.
When the invocation cannot be cancelled, the mayInterruptIfRunning parameter is used to alert the session bean instance on which the method invocation is running that the client attempted to cancel the invocation. If mayInterruptIfRunning is set to true, calls to SessionContext.wasCancelled by the session bean instance will return true. If mayInterruptIfRunning is to set false, calls to SessionContext.wasCancelled by the session bean instance will return false.
The Future<V>.isCancelled method is used to check if the method invocation was cancelled before the asynchronous method invocation completed by calling Future<V>.cancel. The isCancelled method returns true if the invocation was cancelled.
Checking the Status of an Asynchronous Method Invocation
The Future<V>.isDone method returns true if the session bean instance completed processing the method invocation. The isDone method returns true if the asynchronous method invocation completed normally, was cancelled, or resulted in an exception. That is, isDone only indicates whether the session bean has completed processing the invocation.


Serializes and deserializes otherwise valid JSON objects containing circular references into and from a specialized JSON format.
A usage example:
```JavaScript var object = {}; object.arr = [ object, object ]; object.arr.push(object.arr); object.obj = object;
var serialized = CircularJSON.stringify(object); // ‘{“arr”:[”~”,”~”,”~arr”],”obj”:”~”}’ // NOTE: CircularJSON DOES NOT parse JS // it handles receiver and reviver callbacks
var unserialized = CircularJSON.parse(serialized); // { arr: [ [Circular], [Circular] ], // obj: [Circular] }
unserialized.obj === unserialized; unserialized.arr[0] === unserialized; unserialized.arr.pop() === unserialized.arr; ```
A quick summary:
~
as a special prefix symbol to denote which parent the reference belongs to (i.e. ~root~child1~child2
)bash
npm install --save circular-json
```javascript ‘use strict’;
var CircularJSON = require(‘circular-json’), obj = { foo: ‘bar’ }, str ;
obj.self = obj; str = CircularJSON.stringify(obj); ```
There are no dependencies.
(generated via gitstrap)
html
```javascript ‘use strict’;
var CircularJSON = window.CircularJSON , obj = { foo: ‘bar’ } , str ;
obj.self = obj; str = CircularJSON.stringify(obj); ```
NOTE: Platforms without native JSON (i.e. MSIE <= 8) requires json3.js
or similar.
It is also a bad idea to CircularJSON.parse(JSON.stringify(object))
because of those manipulation used in CircularJSON.stringify()
able to make parsing safe and secure.
As summary: CircularJSON.parse(CircularJSON.stringify(object))
is the way to go, same is for JSON.parse(JSON.stringify(object))
.
It’s the same as native JSON, except the fourth parameter placeholder
, which circular references to be replaced with "[Circular]"
(i.e. for logging).
Bear in mind JSON.parse(CircularJSON.stringify(object))
will work but not produce the expected output.
The module json-stringify-safe seems to be for console.log()
but it’s completely pointless for JSON.parse()
, being latter one unable to retrieve back the initial structure. Here an example:
JavaScript
// a logged object with circular references
{
"circularRef": "[Circular]",
"list": [
"[Circular]",
"[Circular]"
]
}
// what do we do with above output ?
Just type this in your node
console: var o = {}; o.a = o; console.log(o);
. The output will be { a: [Circular] }
… good, but that ain’t really solving the problem.
However, if that’s all you need, the function used to create that kind of output is probably faster than CircularJSON
and surely fits in less lines of code.
So here the thing: circular references can be wrong but, if there is a need for them, any attempt to ignore them or remove them can be considered just a failure.
Not because the method is bad or it’s not working, simply because the circular info, the one we needed and used in the first place, is lost!
In this case, CircularJSON
does even more than just solve circular and recursions: it maps all same objects so that less memory is used as well on deserialization as less bandwidth too!
It’s able to redefine those references back later on so the way we store is the way we retrieve and in a reasonably performant way, also trusting the snappy and native JSON
methods to iterate.


Post-parsing
Authentication.php
HardcodedAccounts.php
index.php
Users.php
Accountable.php
Warnings:
Warning on line 3 - no @package tag was used in a DocBlock for interface Accountable
Warning on line 10 - File "/Volumes/Documents/Work/WaferThin/Packt/Book/Code/chapter3/project-no-phpDoc/classes/Accountable.php" has no page-level DocBlock, use @package in the first DocBlock to create one
Authentication.php
Warnings:
Warning on line 3 - no @package tag was used in a DocBlock for class Authentication
Warning on line 23 - File "/Volumes/Documents/Work/WaferThin/Packt/Book/Code/chapter3/project-no-phpDoc/classes/Authentication.php" has no page-level DocBlock, use @package in the first DocBlock to create one
HardcodedAccounts.php
Warnings:
Warning on line 3 - no @package tag was used in a DocBlock for class Authentication_HardcodedAccounts
Warning on line 31 - File "/Volumes/Documents/Work/WaferThin/Packt/Book/Code/chapter3/project-no-phpDoc/classes/Authentication/HardcodedAccounts.php" has no page-level DocBlock, use @package in the first DocBlock to create one
index.php
Warnings:
Warning on line 24 - File "/Volumes/Documents/Work/WaferThin/Packt/Book/Code/chapter3/project-no-phpDoc/index.php" has no page-level DocBlock, use @package in the first DocBlock to create one
Users.php
Warnings:
Warning on line 3 - no @package tag was used in a DocBlock for class Users
Warning on line 20 - File "/Volumes/Documents/Work/WaferThin/Packt/Book/Code/chapter3/project-no-phpDoc/classes/Users.php" has no page-level DocBlock, use @package in the first DocBlock to create one
Documentation generated on Wed, 15 Apr 2009 23:03:19 -0700 by phpDocumentor 1.4.2


Lua Lanes - multithreading in Lua |
Copyright © 2007-08 Asko Kauppi. All rights reserved.
Lua Lanes is published under the same MIT license as Lua 5.1.
This document was revised on 23-Jan-09, and applies to version 2.0.3.
Lua Lanes is a Lua extension library providing the possibility to run multiple Lua states in parallel. It is intended to be used for optimizing performance on multicore CPU's and to study ways to make Lua programs naturally parallel to begin with.
Lanes is included into your software by the regular require "lanes" method. No C side programming is needed; all APIs are Lua side, and most existing extension modules should work seamlessly together with the multiple lanes.
See comparison of Lua Lanes with other Lua multithreading solutions.
Lua Lanes supports the following operating systems:
The underlying threading code can be compiled either towards Win32 API or Pthreads. Unfortunately, thread prioritation under Pthreads is a JOKE, requiring OS specific tweaks and guessing undocumented behaviour. Other features should be portable to any modern platform.
Lua Lanes is built simply by make on the supported platforms (make-vc for Visual C++). See README for system specific details and limitations.
To install Lanes, all you need are the lanes.lua and lua51-lanes.so|dll files to be reachable by Lua (see LUA_PATH, LUA_CPATH). Or use Lua Rocks package management.
> luarocks search lanes ... output listing Lua Lanes is there ... > luarocks install lanes ... output ...
The following sample shows preparing a function for parallel calling, and calling it with varying arguments. Each of the two results is calculated in a separate OS thread, parallel to the calling one. Reading the results joins the threads, waiting for any results not already there.
require "lanes" f= lanes.gen( function(n) return 2*n end ) a= f(1) b= f(2) print( a[1], b[1] ) -- 2 4 |
func= lanes.gen( [libs_str | opt_tbl [, ...],] lane_func )
|
The function returned by lanes.gen() is a "generator" for launching any number of lanes. They will share code, options, initial globals, but the particular arguments may vary. Only calling the generator function actually launches a lane, and provides a handle for controlling it.
Lanes automatically copies upvalues over to the new lanes, so you need not wrap all the required elements into one 'wrapper' function. If lane_func uses some local values, or local functions, they will be there also in the new lanes.
libs_str
defines the standard libraries made available to the
new Lua state:
| (nothing) | no standard libraries (default) | |
| "base" or "" | root level names, print, assert, unpack etc. | |
| "coroutine" | coroutine.* namespace (part of base in Lua 5.1) | |
| "debug" | debug.* namespace | |
| "io" | io.* namespace | |
| "math" | math.* namespace | |
| "os" | os.* namespace | |
| "package" | package.* namespace and require | |
| "string" | string.* namespace | |
| "table" | table.* namespace | |
| "*" | all standard libraries |
Initializing the standard libs takes a bit of time at each lane invocation. This is the main reason why "no libraries" is the default.
opt_tbl
is a collection of named options to control the way
lanes are run:
.cancelstep |
By default, lanes are only cancellable when they enter a pending :receive() or :send() call. With this option, one can set cancellation check to occur every N Lua statements. The value true uses a default value (100). | |
.globals globals_tbl |
Sets the globals table for the launched threads. This can be used for giving
them constants.
The global values of different lanes are in no manner connected; modifying one will only affect the particular lane. | |
.priority |
The priority of lanes generated. -2 is lowest, +2 is highest.
Implementation and dependability of priorities varies by platform. Especially Linux kernel 2.6 is not supporting priorities in user mode. |
The lane handles are allowed to be 'let loose'; in other words you may execute a lane simply by:
lanes.gen( function() ... end ) ()Normally, this kind of lanes will be in an eternal loop handling messages. Since the lane handle is gone, there is no way to control such a lane from the outside, nor read its potential return values. Then again, such a lane does not even normally return.
str= lane_h.status
|
The current execution state of a lane can be read via its status member, providing one of these values: (2
| "pending" | not started, yet | |
| "running" | running | |
| "waiting" | waiting at a Linda :receive() or :send() | |
| "done" | finished executing (results are ready) | |
| "error" | met an error (reading results will propagate it) | |
| "cancelled" | received cancellation and finished itself |
This is similar to coroutine.status, which has: "running" / "suspended" / "normal" / "dead". Not using the exact same names is intentional.
A lane can be waited upon by simply reading its results. This can be done in two ways.
[val]= lane_h[1]
|
Makes sure lane has finished, and gives its first (maybe only) return value. Other return values will be available in other lane_h indices.
If the lane ended in an error, it is propagated to master state at this place.
[...]|[nil,err,stack_tbl]= lane_h:join( [timeout_secs] )
|
Waits until the lane finishes, or timeout seconds have passed. Returns nil on timeout, nil,err,stack_tbl if the lane hit an error, or the return values of the lane. Unlike in reading the results in table fashion, errors are not propagated.
stack_tbl is an array of "<filename>:<line>" strings, describing where the error was thrown. Use table.concat() to format it to your liking (or just ignore it).
If you use :join, make sure your lane main function returns a non-nil value so you can tell timeout and error cases apart from succesful return (using the .status property may be risky, since it might change between a timed out join and the moment you read it).
require "lanes" f= lanes.gen( function() error "!!!" end ) a= f(1) --print( a[1] ) -- propagates error v,err= a:join() -- no propagation if v==nil then error( "'a' faced error"..tostring(err) ) -- manual propagation end |
bool= lane_h:cancel( [timeout_secs=0.0,] [force_kill_bool=false] )
|
Sends a cancellation request to the lane. If timeout_secs is non-zero, waits for the request to be processed, or a timeout to occur. Returns true if the lane was already done (in "done", "error" or "cancelled" status) or if the cancellation was fruitful within timeout period.
If the lane is still running and force_kill is true, the OS thread running the lane is forcefully killed. This means no GC, and should generally be the last resort.
Cancellation is tested before going to sleep in receive() or send() calls and after executing cancelstep Lua statements. A currently pending receive or send call is currently not awakened, and may be a reason for a non-detected cancel.
set_finalizer( finalizer_func )
void= finalizer_func( [error] )
|
The error call is used for throwing exceptions in Lua. What Lua does not offer, however, is scoped finalizers that would get called when a certain block of instructions gets exited, whether through peaceful return or abrupt error.
Since 2.0.3, Lanes prepares a function set_finalizer for doing this. Any functions given to it will be called in the lane Lua state, just prior to closing it. They are not called in any particular order.
An error in a finalizer itself overrides the state of the regular chunk (in practise, it would be highly preferable not to have errors in finalizers). If one finalizer errors, the others may not get called.
Communications between lanes is completely detached from the lane handles themselves. By itself, a lane can only provide return values once it's finished, or throw an error. Needs to communicate during runtime are handled by Linda objects, which are deep userdata instances. They can be provided to a lane as startup parameters, upvalues or in some other Linda's message.
Access to a Linda object means a lane can read or write to any of its data slots. Multiple lanes can be accessing the same Linda in parallel. No application level locking is required; each Linda operation is atomic.
require "lanes" local linda= lanes.linda() local function loop( max ) for i=1,max do print( "sending: "..i ) linda:send( "x", i ) -- linda as upvalue end end a= lanes.gen("",loop)( 10000 ) while true do local val= linda:receive( 3.0, "x" ) -- timeout in seconds if val==nil then print( "timed out" ) break end print( "received: "..val ) end |
Characteristics of the Lanes implementation of Lindas are:
h= lanes.linda()
bool= h:send( [timeout_secs,] key, ... )
[val, key]= h:receive( [timeout_secs,] key [, ...] )
= h:limit( key, n_uint )
|
The send and receive methods use Linda keys as FIFO stacks (first in, first out). Timeouts are given in seconds (millisecond accuracy). If using numbers as the first Linda key, one must explicitly give nil as the timeout parameter to avoid ambiguities.
By default, stack sizes are unlimited but limits can be enforced using the limit method. This can be useful to balance execution speeds in a producer/consumer scenario.
Note that any number of lanes can be reading or writing a Linda. There can be many producers, and many consumers. It's up to you.
send returns true if the sending succeeded, and false if the queue limit was met, and the queue did not empty enough during the given timeout.
Equally, receive returns a value and the key that provided the value, or nothing for timeout. Note that nils can be sent and received; the key value will tell it apart from a timeout.
Multiple values can be sent to a given key at once, atomically (the send will fail unless all the values fit within the queue limit). This can be useful for multiple producer scenarios, if the protocols used are giving data in streams of multiple units. Atomicity avoids the producers from garbling each others messages, which could happen if the units were sent individually.
When receiving from multiple slots, the keys are checked in order, which can be used for making priority queues.
linda_h:set( key, [val] )
[val]= linda_h:get( key )
|
The table access methods are for accessing a slot without queuing or consuming. They can be used for making shared tables of storage among the lanes.
Writing to a slot overwrites existing value, and clears any possible queued entries. Table access and send/receive can be used together; reading a slot essentially peeks the next outcoming value of a queue.
A single Linda object provides an infinite number of slots, so why would you want to use several?
There are some important reasons:
Actually, you can. Make separate lanes to wait each, and then multiplex those events to a common Linda, but... :).
= lanes.timer( linda_h, key, date_tbl|first_secs [,period_secs] )
|
Timers can be run once, or in a reoccurring fashion (period_secs > 0). The first occurrence can be given either as a date or as a relative delay in seconds. The date table is like what os.date("*t") returns, in the local time zone.
Once a timer expires, the key is set with the current time (in seconds, same offset as os.time() but with millisecond accuracy). The key can be waited upon using the regular Linda :receive() method.
A timer can be stopped simply by first_secs=0 and no period.
require "lanes" local linda= lanes.linda() -- First timer once a second, not synchronized to wall clock -- lanes.timer( linda, "sec", 1, 1 ) -- Timer to a future event (next even minute); wall clock synchronized -- local t= os.date( "*t", os.time()+60 ) -- now + 1min t.sec= 0 lanes.timer( linda, "min", t, 60 ) -- reoccur every minute (sharp) while true do local v,key= linda:receive( "sec", "min" ) print( "Timer "..key..": "..v ) end |
NOTE: Timer keys are set, not queued, so missing a beat is possible especially if the timer cycle is extremely small. The key value can be used to know the actual time passed.
| Having the API as lanes.timer() is intentional. Another alternative would be linda_h:timer() but timers are not traditionally seen to be part of Lindas. Also, it would mean any lane getting a Linda handle would be able to modify timers on it. A third choice could be abstracting the timers out of Linda realm altogether (timer_h= lanes.timer( date|first_secs, period_secs )) but that would mean separate waiting functions for timers, and lindas. Even if a linda object and key was returned, that key couldn't be waited upon simultaneously with one's general linda events. The current system gives maximum capabilities with minimum API, and any smoothenings can easily be crafted in Lua at the application level. |
Lanes does not generally require locks or critical sections to be used, at all. If necessary, a limited queue can be used to emulate them. lanes.lua offers some sugar to make it easy:
lock_func= lanes.genlock( linda_h, key [,N_uint=1] ) lock_func( M_uint ) -- acquire .. lock_func( -M_uint ) -- release |
The generated function acquires M entries from the N available, or releases them if the value is negative. The acquiring call will suspend the lane, if necessary. Use M=N=1 for a critical section lock (only one lane allowed to enter).
Note: The locks generated are not recursive. That would need another kind of generator, which is currently not implemented.
Similar sugar exists for atomic counters:
atomic_func= lanes.genatomic( linda_h, key [,initial_num=0.0] ) new_num= atomic_func( [diff_num=+1.0] ) |
Each time called, the generated function will change linda[key] atomically, without other lanes being able to interfere. The new value is returned. You can use either diff 0.0 or get to just read the current value.
Note that the generated functions can be passed on to other lanes.
Data passed between lanes (either as starting parameters, return values, upvalues or via Lindas) must conform to the following:
Most Lua extension modules should work unaltered with Lanes. If the module simply ties C side features to Lua, everything is fine without alterations. The luaopen_...() entry point will be called separately for each lane, where the module is require'd from.
If it, however, also does one-time C side initializations, these should be covered into a one-time-only construct such as below.
int luaopen_module( lua_State *L ) { static char been_here; /* 0 by ANSI C */ /* Calls to 'require' serialized by Lanes; this is safe. */ if (!been_here) { been_here= 1; ... one time initializations ... } ... binding to Lua ... } |
The mechanism Lanes uses for sharing Linda handles between separate Lua states can be used for custom userdata as well. Here's what to do.
Deep userdata management will take care of tying to __gc methods, and doing reference counting to see how many proxies are still there for accessing the data. Once there are none, the data will be freed through a call to the idfunc you provided.
NOTE: The lifespan of deep userdata may exceed that of the Lua state that created it. The allocation of the data storage should not be tied to the Lua state used. In other words, use malloc/free or similar memory handling mechanism.
Lane handles are not implemented as deep userdata, and cannot thus be copied across lanes. This is intentional; problems would occur at least when multiple lanes were to wait upon one to get ready. Also, it is a matter of design simplicity.
The same benefits can be achieved by having a single worker lane spawn all the sublanes, and keep track of them. Communications to and from this lane can be handled via a Linda.
In multithreaded scenarios, giving multiple parameters to print() or file:write() may cause them to be overlapped in the output, something like this:
A: print( 1, 2, 3, 4 ) B: print( 'a', 'b', 'c', 'd' ) 1 a b 2 3 c d 4Lanes does not protect you from this behaviour. The thing to do is either to concentrate your output to a certain lane per stream, or to concatenate output into a single string before you call the output function.
Lanes is about making multithreading easy, and natural in the Lua state of mind. Expect performance not to be an issue, if your program is logically built. Here are some things one should consider, if best performance is vital:
Cancellation of lanes uses the Lua error mechanism with a special lightuserdata error sentinel. If you use pcall in code that needs to be cancellable from the outside, the special error might not get through to Lanes, thus preventing the Lane from being cleanly cancelled. You should throw any lightuserdata error further.
This system can actually be used by application to detect cancel, do your own cancellation duties, and pass on the error so Lanes will get it. If it does not get a clean cancellation from a lane in due time, it may forcefully kill the lane.
The sentinel is exposed as lanes.cancel_error, if you wish to use its actual value.
Jan-2009 (2.0.3):
For feedback, questions and suggestions:


The array/elem.h
header defines a macro that extracts an element from an array.
#include <chaos/preprocessor/array/elem.h>
The CHAOS_PP_ARRAY_ELEM
macro extracts an element from an array.
CHAOS_PP_ARRAY_ELEM
(i, array)
The zero-based index of the element to be extracted.
Valid values range from 0
to CHAOS_PP_LIMIT_TUPLE
- 1.
The array from which an element is to be extracted.
This macro expands to the i-th element in array. If i is greater than or equal to the size of array, this macro expands to nothing.
CHAOS_PP_BINARY
CHAOS_PP_BINARY_CTOR
CHAOS_PP_ELEM
CHAOS_PP_SEQ_ELEM
CHAOS_PP_TUPLE_ELEM
CHAOS_PP_TUPLE_ELEM_ALT
CHAOS_PP_VARIADIC_ELEM
#include<chaos/preprocessor/array/elem.h>
#define DATA() (3, (a, b, c))CHAOS_PP_ARRAY_ELEM
(0, DATA()) // aCHAOS_PP_ARRAY_ELEM
(1, DATA()) // bCHAOS_PP_ARRAY_ELEM
(9, DATA()) //
The CHAOS_PP_ARRAY_ELEM_ID
macro indirectly expands to CHAOS_PP_ARRAY_ELEM
.
CHAOS_PP_ARRAY_ELEM_ID
()
This macro effectively allows CHAOS_PP_ARRAY_ELEM
to pass through itself without becoming disabled.
The CHAOS_PP_ARRAY_ELEM_
macro expands to a λ expression representing CHAOS_PP_ARRAY_ELEM
.
CHAOS_PP_ARRAY_ELEM_
This macro is a shorthand form of the following λ binding:


UPDATE March 11, 2020: The APEC App Challenge has been postponed to a later date in 2020 in Malaysia. Developers who apply via the form below will receive email updates as new information becomes available regarding the dates and venue of this year's App Challenge.
In 2017, about 10% of the population across APEC was aged 65 and above. This percentage will increase to 25% by 2050. During APEC in 2020, many high-level discussions will take place concerning this trend, and “Smart Living for an Aging Population” has been highlighted as a priority area for policymakers and trade officials. As the 2020 APEC Host Economy, Malaysia aims to continue promoting and mainstreaming efforts across different APEC fora to leverage technology and policies that benefit the region’s growing senior community.
The 2020 APEC App Challenge will require participants to use their software development and design skills to seek technology solutions that fit within the APEC Malaysia 2020 theme and its priorities. The “silver economy” – an expanding market for goods and services catering to the growing number of elderly across Asia – presents opportunities for young innovators to develop exciting new digital products and services. Teams are encouraged to develop their own ideas and innovative solutions with an emphasis on creative, age-sensitive, mobile apps that are easy to understand and highly usable. The team with the most compelling application will be awarded first prize and considered for additional support and recognition.
The 2020 APEC App Challenge will help empower the aging society, enrich their lives, and promote their general wellbeing. App Challenge participants will build new mobile and web tools that address these issues, using a range of different digital technologies.
Developers who take on this challenge will craft solutions that address the following questions:
In addition, these solutions must be crafted in ways that address the challenges older people face when using internet-enabled mobile technologies. These challenges include addressing a lack of digital literacy; maintaining a high degree of online safety and security; addressing user experience issues such as a lack of familiarity with modern UI/UX design and gesture-based interactions; and bridging gaps that arise due to hearing impairment, vision loss, and other age-related issues.
Eligible teams must be nationals and/or residents of APEC economies. Teams must consist of two individuals, and team members may not be replaced after selection as finalists. All finalists are required to be present in Malaysia for the App Challenge.
Finalists will retain full ownership of the products they create during the App Challenge. However, under the terms of the challenge, APEC will have specified usage and branding rights.
Participants do not need to define or build any part of their intended solution at the time of application. However, applicants will be evaluated based on their technical competence, understanding of the needs of elderly users, willingness and ability to take a product to market, and willingness to conduct independent user research and analysis.
Detailed rules and requirements are posted here.
Participants will demonstrate their work before a panel of expert judges who will select a first, second, and third prize winner. The top three teams will receive cash prizes of:
The first prize winners will be recognized at an APEC event alongside senior leadership from the government of Malaysia and the APEC Secretariat. An official award ceremony may take place at an APEC Symposium event attended by economic leaders and international press corps.
All finalists will receive an all-expenses-paid trip to Malaysia for the APEC App Challenge event. Other fun and interesting prizes will be announced closer to the date of the event.


USB tethering
You can tether your Android device to your computer with a USB cable, to share your device's Internet connection with your computer
- USB tethering works with Windows Vista, Windows 7, and Linux
- If your device has an SD card or USB storage, you can't mount it on your computer when USB tethered
- For more information, including using USB tethering with other OSs, see http://www.android.com/tether#usb
Bluetooth tethering
You can tether your Android device to your computer via a Bluetooth connection, to share your device's Internet connection with your computer
Portable Wi-Fi hotspot
You can turn your Android device into a portable Wi-Fi hotspot, to share your Android device's Internet connection with one or more computers or other devices
- When your device is serving as a Wi-Fi hotspot, you can't use your device's applications to access the Internet via its Wi-Fi connection (but of course you remain connected to the Internet via your mobile data network)
- You configure the hotspot with the Wi-Fi hotspot settings
- For more information, visit http://www.android.com/tether#wifi


About the CSS3 Lightbox
This Lightbox depends only on CSS3 and has no need for JavaScript.
It uses the :checked pseudo-selector from CSS3 to store the state in a checkbox
How to close the Lightbox
To close the lightbox, click anywhere in the dark area or just hit the × in the ↗ corner.


Today we're excited to share an update on Relay - the technical preview is now open-source and available on GitHub.
While React simplified the process of developing complex user-interfaces, it left open the question of how to interact with data on the server. It turns out that this was a significant source of friction for our developers; fragile coupling between client and server caused data-related bugs and made iteration harder. Furthermore, developers were forced to constantly re-implement complex async logic instead of focusing on their apps. Relay addresses these concerns by borrowing important lessons from React: it provides declarative, component-oriented data fetching for React applications.
Declarative data-fetching means that Relay applications specify what data they need, not how to fetch that data. Just as React uses a description of the desired UI to manage view updates, Relay uses a data description in the form of GraphQL queries. Given these descriptions, Relay coalesces queries into batches for efficiency, manages error-prone asynchronous logic, caches data for performance, and automatically updates views as data changes.
Relay is also component-oriented, extending the notion of a React component to include a description of what data is necessary to render it. This collocation allows developers to reason locally about their application and eliminates bugs such as under- or over-fetching data.
Relay is in use at Facebook in production apps, and we're using it more and more because Relay lets developers focus on their products and move fast. It's working for us and we'd like to share it with the community.
We're open-sourcing a technical preview of Relay - the core framework that we use internally, with some modifications for use outside Facebook. As this is the first release, it's good to keep in mind that there may be some incomplete or missing features. We'll continue to develop Relay and are working closely with the GraphQL community to ensure that Relay tracks updates during GraphQL's RFC period. But we couldn't wait any longer to get this in your hands, and we're looking forward to your feedback and contributions.
Relay is available on GitHub and npm.
The team is super excited to be releasing Relay - and just as excited about what's next. Here are some of the things we'll be focusing on:
Thanks!


Inside the downloaded package you wil find this:
As you see, there are two main folders "CODE" and "PSD"
Basically, these files are the core of the framework. We strongly suggest to not modify any of these files unless you have experience with HTML/CSS/JAVASCRIPT.
If you have no experience with "LESS" you can use "CSS", you will find these two inside the "ui-kit" folder. In order to start you need to put the following code into your HTML file:
<!-- this code between <head> ... </head> --> <link rel="stylesheet" href="(way to to the framework folder)/common/css/style.css"> <link rel="stylesheet" href="(way to to the framework folder)/common/css/animations.css"> <link rel="stylesheet" href="(way to to the framework folder)/common/css/owl-carousel/owl.carousel.css"> <link rel="stylesheet" href="(way to to the framework folder)/common/css/owl-carousel/owl.theme.default.css"> <link rel="stylesheet" href="(way to to the framework folder)/common/css/owl-carousel/owl.video.css"> <link rel="stylesheet" href="(way to to the framework folder)/common/css/venobox/venobox.css"> <script src="(way to to the framework folder)/common/js/vendor/modernizr-2.6.2-respond-1.1.0.min.js"></script> <!-- end --> <!-- this code directly before </body> --> <script src="(way to to the framework folder)/js/vendor/jquery-1.11.0.min.js"></script> <script>window.jQuery || document.write('<script src="(way to to the framework folder)/js/vendor/jquery-1.11.0.min.js"><\/script>')</script> <script src="(way to to the framework folder)/js/vendor/bootstrap.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.sticky.js"></script> <script src="(way to to the framework folder)/js/vendor/owl.carousel.js"></script> <script src="(way to to the framework folder)/js/vendor/headroom.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.big-slide.js"></script> <script src="(way to to the framework folder)/js/vendor/venobox.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.shuffle.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.easing.1.3.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.lavalamp.min.js"></script> <script src="(way to to the framework folder)/js/vendor/imgLiquid-min.js"></script> <script src="(way to to the framework folder)/js/vendor/scrollIt.min.js"></script> <script src="(way to to the framework folder)/js/vendor/waypoints.min.js"></script> <script src="(way to to the framework folder)/js/vendor/retina.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.fadethis.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.form.min.js"></script> <script src="(way to to the framework folder)/js/vendor/jquery.validate.min.js"></script> <script src="(way to to the framework folder)/js/main.js"></script> <script>$(window).fadeThis({reverse:false});</script>
You will also find these inside "skeleton" folder inside "layouts".
Next you have to insert the styles for the components you want to use:
<!-- headers - let's say you want to use header-01 --> <link rel="stylesheet" href="(way to the framework folder)/ui-kit/headers/css/header-01.css"> <!-- contents - let's say you want to use content-02 --> <link rel="stylesheet" href="(way to the framework folder)/ui-kit/contents/css/content-02.css"> <!-- projects - let's say you want to use projects-03 --> <link rel="stylesheet" href="(way to the framework folder)/ui-kit/projects/css/projects-03.css"> <!-- teams - let's say you want to use team-01 --> <link rel="stylesheet" href="(way to the framework folder)/ui-kit/teams/css/team-01.css">
Using LESS it's even simpler, the first step is the same as in the CSS version.
Second step. In your main '.less' file add the following code:
@import "(way to to the framework folder)/less/bootstrap/bootstrap.less"; @import "(way to to the framework folder)/less/font-awesome/font-awesome.less"; @import "(way to to the framework folder)/less/variables.less"; @import "(way to the framework folder/less/mixins.less"; @import "(way to to the framework folder)/less/global.less"; <!-- headers - let's say you want to use header-01 --> @import "(way to the framework folder)/ui-kit/headers/less/header-01.less"; <!-- teams - let's say you want to use team-01 --> @import "(way to the framework folder)/ui-kit/teams/less/team-01.less"; @import "../(way to to the framework folder)/less/navbar.less"; @import "../(way to to the framework folder)/less/header.less";
The last step is the same as in the CSS version
If you don't understand exactly how this works you can take a look inside the "layouts" folder. There you will find, for example "Layout-01" and inside that folder you have another folder called "LESS" and there you will find exactly how it's working.


New Store:
New Store Location:
Minimum Number of Customers:
Maximum Number of Customers:
Average Number of Cookies:
Cookies Needed by Location Each Day
Location
6:00 AM
7:00 AM
8:00 AM
9:00 AM
10:00 AM
11:00 AM
12:00 PM
1:00 PM
2:00 PM
3:00 PM
4:00 PM
5:00 PM
6:00 PM
7:00 PM
8:00 PM
Daily Location Total


add_creator_id.Rd
This function allows you to add an ORCID or reference ID to a creator in EML.
add_creator_id(eml, orcid = NULL, id = NULL, surname = NULL)
| eml | (eml) EML file to modify. |
|---|---|
| orcid | (character) ORCID in the format 'https://orcid.org/WWWW-XXXX-YYYY-ZZZZ'. |
| id | (character) Reference ID for creators with additional roles (e.g., metadataProvider). |
| surname | (character) Creator surname. Defaults to first creator if not specified. Not case-sensitive. |
The function invisibly returns the full EML, which can be saved to a variable. It also prints the changed creator entry so that it is easy to check that the appropriate change was made. In addition to the EML, at least one of either the ORCID or reference ID is required.
Note: Updated creator information cannot be used as a reference for associatedParties because the extra "role" field is required. Also, the function does not (yet) account for cases in which multiple creators have the same surname.
# NOT RUN { eml_path <- file.path(system.file(package = "datamgmt"), "dummy_meta_full.xml") eml <- EML::read_eml(eml_path_original) add_creator_id(eml, orcid = "https://orcid.org/WWWW-XXXX-YYYY-ZZZZ") eml <- eml %>% add_creator_id(surname = "high-stakes", orcid = "https://orcid.org/0000-1234-5678-4321", id = "henrietta") # Use references to add updated contact info to Henrietta's other roles eml@dataset@contact[[1]] <- new('contact', reference = "henrietta") eml@dataset@metadataProvider[[1]] <- new('metadataProvider', reference = "henrietta") # }


Bootstrap is the most popular HTML, CSS, and JS framework in the world for building responsive, mobile-first projects on the web.
Currently v4.0.0-alpha.6
Bootstrap is the most popular HTML, CSS, and JS framework in the world for building responsive, mobile-first projects on the web.
Currently v4.0.0-alpha.6
Quickly include Bootstrap's CSS and JS into any project. Use your favorite package manager, download the source, or use the Bootstrap CDN.
Include Bootstrap's source Sass and JavaScript files via Bower, Composer, Meteor, or npm. Package managed installs don't include documentation, but do include our Gruntfile and readme.
When you just need to include Bootstrap's compiled CSS and JS, use the Bootstrap CDN, free from the Max CDN folks.
Looking for something else? Compiled builds of Bootstrap's CSS and JS are also available.
More download optionsBootstrap makes front-end web development faster and easier. It's made for folks of all skill levels, devices of all shapes, and projects of all sizes.
Bootstrap ships with vanilla CSS, but its source code utilizes Sass, a popular CSS preprocessor. Quickly get started with precompiled CSS or build on the source.
Bootstrap easily and efficiently scales your websites and applications with a single code base, from phones to tablets to desktops with CSS media queries.
With Bootstrap, you get extensive and beautiful documentation for common HTML elements, dozens of custom HTML and CSS components, and awesome jQuery plugins.
Bootstrap is open source! It's hosted, developed, and maintained on GitHub by folks like you.
View the GitHub projectTake Bootstrap to the next level with official premium themes. Each theme is its own toolkit featuring all of Bootstrap, brand new components and plugins, full docs, build tools, and more.
Millions of amazing sites across the web are being built with Bootstrap. Get started on your own with our growing collection of examples or by exploring some of our favorites.
We showcase dozens of inspiring projects built with Bootstrap on the Bootstrap Expo.
Explore the Expo


Equivalent to choosing the Cells command from the Format menu. Applies a font and other attributes to the selection. Applies to cells, charts, and text boxes and buttons on worksheets and macro sheets.
Syntax
FONT.PROPERTIES(font, font_style, size, strikethrough, superscript, subscript, outline, shadow, underline, color, normal, background, start_char, char_count)
FONT.PROPERTIES?(font, font_style, size, strikethrough, superscript, subscript, outline, shadow, underline, color, normal, background, start_char, char_count)
Arguments correspond to check boxes or options in the Font tab on the Format Cells dialog box. Arguments that correspond to check boxes are logical values. If an argument is TRUE, Microsoft Excel selects the check box; if FALSE, Microsoft Excel clears the check box. If an argument is omitted, the format is not changed.
Font is the name of the font as it appears on the Font tab. For example, Courier is a font name.
Font_style is the name of the font style as it appears on the Font tab. For example, Bold Italic is a font style.
Size is the font size, in points.
Strikethrough corresponds to the Strikethrough check box.
Superscript corresponds to the Superscript check box
Subscript corresponds to the Subscript check box
Outline corresponds to the Outline check box. Outline fonts are available in Microsoft Excel for the Macintosh. For macro compatibility, this argument is ignored by Microsoft Excel for Windows..
Shadow corresponds to the Shadow check box. Shadow fonts are available in Microsoft Excel for the Macintosh. For macro compatibility, this argument is ignored by Microsoft Excel for Windows.
Note For macro compatibility with Microsoft Excel for the Macintosh, the presence of the outline and shadow arguments do not prevent the macro from working on Microsoft Excel for Windows, nor does their absence prevent it from working on the Macintosh.
Underline corresponds to the Underline Drop-down box.
| Underline | Type applied |
| 0 | None |
| 1 | Single |
| 2 | Double |
| 3 | Single Accounting |
| 4 | Double Accounting |
Color is a number from 0 to 56 corresponding to the colors listed in the Color box; 0 corresponds to automatic color.
Normal corresponds to the Normal Font check box. Applies the default font for your system
Background is a number from 1 to 3 specifying which type of background to apply to text in a chart.
| Background | Type of background applied |
| 1 | Automatic |
| 2 | Transparent |
| 3 | Opaque |
Start_char specifies the first character to be formatted. If start_char is omitted, it is assumed to be 1 (the first character in the cell or text box).
Char_count specifies how many characters to format. If char_count is omitted, Microsoft Excel formats all characters in the cell or text box starting at start_char.
Remarks
Some extended TrueType styles do not have corresponding arguments to FONT.PROPERTIES. To access an extended TrueType font style, append the style name to the font name in the font argument. For example, the font Taipei can be formatted in an upside-down style by specifying "Taipei Upside-down" as the font argument. For more information about TrueType, see your Microsoft Windows documentation.
Related Functions
ALIGNMENT Aligns or wraps text in cells
FORMAT.NUMBER Applies a number format to the selection
FORMAT.TEXT Formats a worksheet text box or a chart text item
Return to index


This module was designed for our Saas portal sale module to customize SaaS prices. The task was to manage prices with regards of the maximum number of users attribute along with the subscription period attribute. Price should be first increased according to subscription period and then the result should be multiplied according to maximum number of users. Odoo product.product model by itself has no ability to multiply prices depending on product variants. There is only addition implemented. So this module gives this ability. It can be used also in cases where some percents should be applied coherently on a price.
First of all enter in debug mode and mark "Manage product variants" checkbox in your user settings.
Then open the Variants tab of your Product and create attributes with values. Important thing here is the order of attributes. When price is calculated the first attribute is processed first. The second attribute calculation takes the previous step result and adds and multiplies on it and so on. You can reorder the attributes by drag&drop them in form's edit mode. Move your mouse pointer on the column between the "Attribute" and "Attribute values" columns then grab and position the line as needed.
Then you will see "Variant Prices" button. Press it.
You got to fill this table according to your needs. Consider attribute's price factor value as a multiplier. It can be any number except zero. By example: we sale SaaS Service with one month subscription period and 3 users maximum. This variant of product should cost 10$. Base price for this product also 10$. We have there 1.0 price factor and 0.0 price extra for each of our two attributes. After 0.0 addition and multiplication by 1.0 the price obviously should stay the same. So this is base variant of product. Further we want to multiply our price by 2 for the same product with 6 users maximum variant. For this case we leave the same values for monthly subscription and place 2.0 in the price factor field of Number of users attribute value 6. And so on.
Create new sale order and add items like on the screenshot below. Here you can see how attributes affect the price. For example the price of the Quarter Subscription variant of service with 6 users limit is calculated like this: (10+18)*2=56. I.e. basic price plus Subscription period variant extra price multiplied on price factor 2.0 assigned for 6 users.
If you using e-commerce (shop) module you also may install product_price_factor_online module to see new product options in yours web store.
Contact us by email or fill out request form


{% load email %} {% subject %}SEMA Data Export "{{ program_name }}" {{ export_timestamp }} {% endsubject %} {% body %} Hi, The SEMA data gnomes have successfully extracted your requested data. Click the link below to download the zip: {{ download_url }} Sincerely, The Team {% endbody %} {% bodyhtml %}
Hi there,
The SEMA data gnomes have successfully extracted your requested data.
Click the link below to download the zip:
{{ download_url }}
Sincerely,
The Team
{% endbodyhtml %}


Akan names are derived from Ghanian culture,children are given their first name as a day name which corresponds to the day in the week they were born.Upon filling the form below this application outputs to the user their Akan name.


A black cat is a domestic cat with black fur that may be a mixed or specific breed, or a common domestic cat of no particular breed. The Cat Fanciers' Association (CFA) recognizes 22 cat breeds that can come with solid black coats. The Bombay breed is exclusively black. All-black fur pigmentation is slightly more prevalent in male cats than female cats. Their high melanin pigment content causes most black cats to have yellow (golden) eyes (irises).
Welcome to the Ultimate Chaotic Catittude Power Ranking of the Cattiest Cats Around
These cats are usually quite solitary and have a tendency to play aggressively. They enjoy hunting their prey outside and because of this, it may be quite difficult to keep a Gray Cat indoors.
White cats were considered to be more shy, lazy and calm, while tortoiseshell cats were more likely to be depicted as both more intolerant and more trainable.
Black cats seem to walk a line – they are sometimes more calm and reserved than some other cats, yet they balance that personality trait by staying playful and active throughout their lives.
Here at Found Animals, we truly love black cats. Although each and every cat has a unique personality, in general, we have noticed a few traits that really stand out in these small, dark and handsome cuties.
Beautiful: From brownish to bluish to every shade of black in between, black cats are stunning. They look like onyx – that is, if onyx were covered in gorgeous velvety fur.
Loyal: Black cats make loving family members. They love to cuddle and play. They might even meow to you over the phone when you are away from home. Black cats are wonderful at being both friendly to all and dedicated to their person/people.
Adaptable: Black cats are capable of quickly adapting to a change in circumstances. Rescued black cats from the streets often warm quickly, to not only their rescuers, but people in general. They are frequently friendly and outgoing – even in a high-stress, kenneled shelter environment.
Companionable: Friendly not only towards people and animals they are familiar with, black cats can be outgoing and like to meet new friends and family members.
Keen: Black cats can be unusually perceptive to the things going on around them. From having a bad day to preparing to move, they sense the changes and accompanying stress their humans are under. These kitties do their best to stay by your side and provide moral support. They might give you extra love when you’re experiencing a great deal of anxiety or jump in your suitcase while you pack for a long trip.
Learn MoreMarry Jo is a mouse catcher and trap designer with almost 5 years of experience
See ProfileSatisfy your curiosity:discover the secret life of your cat. Get to know their favorite places and territory and understand what they can't tell you.
Take care of them:Anticipate serious illness by keeping an eye on any behavioral changes or activity level. Activity monitoring will also allow you to take early action on behavioral problems or common conditions such as fleas, anxiety, stress or boredom.
Know where to look in case your pet is lost or has escaped:GPS zone tracking (between 5 and 80m) and a hot/cold proximity radar for the last meters. You will also receive an alert in case of an escape attempt thanks to the "virtual fence". Warning: this tracker is less precise than a classic GSM tracker for animals, but it has much more autonomy to allow you to find your pet, even after several days.


Which was the first monochrome film to be fully converted into colour in 2004?
Sahib Biwi Aur Gulam Naya Daur Mughal-e-AzamWhich playback singer has been awarded the Bharat Ratna, the nation's highest civilian honour?
Kishore Kumar Mohd.Rafi Lata Mangeshkar'Prem Rog' a movie directed by Raj Kapoor is based on which social cause?
Dowry Casteism Widow-remarriageWhich was the first Hindi Movie to receive the national award?
Do Aankhen Barah Haath Mirza Ghalib KabuliwalaWhich music director brought Indian classical music into the film medium?
Naushad Saleel Chaudhary S.D.BurmanWho is the only Indian to have won an Oscar for Lifetime achievement in films?
Raj Kapoor V Shantaram Satyajit Ray


Image Perception and Understanding |
Introduction
This research project is mainly focusing on various applications of image perception and understanding, including image classification, target detection, image segmentation, image stitching, and crowd counting. This is a new project and the focus of our research at this stage. Recently, we have published some related papers on the flagship journals and conferences, e.g., IEEE TMM, Pattern Recognition, etc. Our ultimate goal is to explore more high-level computer vision tasks to better understand images. If you are interested in these works, welcome to join us.
Image Stitching
Image Semantic
Crowd Counting


1. Sign in to the IAM console at https://console.aws.amazon.com/iam/.
2. In the navigation pane, choose Users.
3. Choose the name of the desired user, and then choose the Security Credentials tab.
4. To create an access key, choose Create Access Key.
5. Choose Download Credentials to save the Access Key ID and Secret Access Key to a CSV file on your computer.


{% extends 'base.html' %} {% block content %}
This tool uses the Salesforce REST API to query objects in your databases and compare data between two Orgs. This is useful for post-data migrations to ensure that the data is migrated successfully and all rows match. It also allows for reference tables and custom settings to be matched and managed.
None of your organisation information or data is captured or kept from running this tool. Because this tool is querying data in your Salesforce Org, if you are running on behalf of a client or do not own the data, it is important to ensure people are aware that another cloud-based tool is accessing your Salesforce data.
Note: You will need to be a System Administrator on both Orgs in order to use this application.
{% endif %}{% if job.status == 'Downloading Objects' %} Time on this will vary depending on the number of objects in your Org. {% else %} Time on this will vary depending on the size of data and number of fields in your selected object. {% endif %}


JSON Demo
Here are the contents of the JSON Objects:
First Name: John
Last Name: Doe
Age: 23
First Name: Alan
Last Name: Smith
Age: 35
Lecturer: Jon McCarthy
Course: MSCWebTech


This is the Black Friday UK deal for Surface audio fans
by Rich EdmondsMicrosoft's Surface Headphones are as premium as the tablet range they share the name with. Audio quality is also way up there with the likes of Sony and Bose. And because it's Black Friday, you'll be able to save considerably on a new pair directly from Microsoft.
Surface Headphones
£223 £330 £107 off
The Surface Headphones supply outstanding sound quality and can be hooked up to your smartphone or PC. Better still, because it's part of the same line-up, these cups will look great next to your Surface PC.
The Surface Headphones aren't only good in the audio department either. Both cups are capacitive, allowing you to short tap to play/pause music, double tap to skip track or answer a call, triple tap to go to the previous tack, and long press to activate Cortana or decline an incoming call.
Don't miss out on today's newest and best Black Friday deals
Amazon's Fire Tablet is the one Black Friday purchase you NEED to make!
And yes, I said Cortana. She's loaded into the Surface Headphones. Various voice commands can be used to let Cortana handle a variety of tasks and these cups will listen out for when you want to:
- Dictate and send email or SMS on Android or iOS.
- Get latest calendar appointments or status.
- Open Amazon Alexa (PC only).
- Open a playlist on Spotify (coming to iOS soon).
- Control music.
- Ask about weather, trivia, conversions, general information, etc.
If you're a fan of Surface hardware and take your music enjoyment seriously, the Surface Headphones at this discounted price is a solid deal.
We may earn a commission for purchases using our links. Learn more.


{% extends 'base.html' %} {% block head %}
Lot {{Lot.lotName}}
Current Occupancy: {{Lot.currOccp}}
Maxium Occupancy: {{Lot.maxCap}}
Remaining spots: {{Lot.maxCap - Lot.currOccp}}


In this prototype, Purple is a Web Application running in an iframe in an extension.
Events from the Chrome browser are handled by the extension then sent by postMessage() to the iframe. Commands from the iframe sent by postMessage() to the extension which sends them to Chrome.
Until we have a deployed version of Purple you will need to set the URL below to point to your git clone file purple.html


Today I ready the report from Baidu News that American technology giant IBM will allow Chinese government access its software codes. Chinese government officials will be able to check the codes in the cleanroom to make sure they conform to Chinese national information security policies.
As a technical person in this industry, I quite understand it is a hard decision for IBM. For getting an entry into the billion-dollar government procurement market in China, this company had to make such a move. It also shows that IBM is under pressure to sustain it business growth in China.
Actually, in resent years, oversee tech majors are facing huge trust crisis of Internet security in China.
Stem from national security consideration, Chinese government has already begin to control the procurement of network products from foreign company, which means almost all of these world-renowned tech companies has to find their way to re-gain the trust of Chinese government to avoid being kick out from this billion-dollar market.
I think these foreign tech companies should try to build partnerships with local firms and transfer technologies to Chinese companies in order to gain long-term growth in China. IBM has already been moving in that direction, which means it can maintain its market in China better than its competitors.


@* * 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 config.FrontendAppConfig @import views.html.general.bta_help_row @import views.html.sa.self_assessment_row @import views.html.vat.vat_row @import views.html.vat.mtd_vat_row @import views.html.ct.corporation_tax_row @import views.html.epaye.epaye_row @import views.html.sa.mtd_itsa_row @this( main_template: main_template ) @(appConfig: FrontendAppConfig)(serviceInfoContent: Option[Html])(implicit request: Request[_], messages: Messages) @main_template( title = messages("help_and_contact.title"), appConfig = appConfig, fullWidth = true, serviceInfoContent = serviceInfoContent) {


2 Kings 23:7
And he brake down the houses of the sodomites, that were by the house of the LORD, where the women wove hangings for the grove.


@ARTICLE{8010262,
author={S. Sarkar and S. Chatterjee and S. Misra and R. Kudupudi},
journal={IEEE Communications Letters},
title={Privacy-Aware Blind Cloud Framework for Advanced Healthcare},
year={2017},
volume={21},
number={11},
pages={2492-2495},
keywords={Body area networks;Cloud computing;Delays;Hospitals;Servers;Wireless communication;Cloud computing;Internet of Things (IoT);blindness;privacy;wireless body area networks (WBANs)},
doi={10.1109/LCOMM.2017.2739141},
ISSN={1089-7798},
month={Nov}
}


Greetings. I am Chen-Yu Chang, major in computer engineering and minor in statistics. I enjoying making friends and listening to music. I also like to snowboard even though I do not master it yet.
I am interested in data analytics and software engineer positions. I often dreamed of and yearned for startups, so now I am working on a startup, Broccoli's in the Fridge. I am open to any kind of experience in any companies, making friends and enhancing my skills.
The special experience in college
Position: CEO & Cofounder
Time: September 2020 - Now
Fully funded by Sustainability Seed Grant and BU-wide recognized food waste mitigator start-up, Boston, MA
⇒ Created a service for busy young adults to mitigate their food waste by a calendaring system of best use dates and recipe suggestions.
⇒ Conducted 22 customer interviews.
⇒ Secured a Sustainability Innovation Seed Grant of $500 from Sustainability@BU.
⇒ Led tech team to work on the functionalities of the app.
The video illustrates the prototype of the ideal app, and the tech team is working forward to achieve it.
Position: BattleBot Team
Time: October 2020 - Now
In BattleBot Team, we designed many different battlebots and researched on the compliance of weapons and balance. It gave us an opportunity to learn about robots for battle, balancing weapons and stability. We have designed some models of out future robots. Since this is a startup club, we are starting and doing research from the beginning.
Position: Teaching Assistant
Time: July 2018 - Now
⇒ Taught math, physics, grammar, English, APs, and calculus from the age of elementary school students to college students.
⇒ Presented in front of the public and expresses my ideas clearly to students.
⇒ Elaborated what I wanted to deliver with ,y clear logic and speech.
⇒ Organized and Categorized concepts in different subjects for students to follow.
⇒ Helped many students improve on the grade of certain subjects.
Position: Hyper Rocket Team
Time: October 2020 - January 2021
⇒ Guided the whole team's direction on the type of hyper rockets we wanted to focus on.
⇒ Simulated the different situation under different wind speed and directions.
⇒ Led the electronic team on choosing sensors and connecting them to microcontroller.
⇒ Designed the chip that help connect all the components.
⇒ Boosted the team efficiency and built the team chemistry.
Position: Wheel Suspension Team
Time: September 2020 - January 2021
BU Racing taught us the basic knowledge of cars and separated us into specific teams. Our team focused on the wheel and suspension part which requires calculations of force for the second racecar in BU.
The car image on the right is our first car.
Position: Speaker
Time: August 2019
Hui-Wen High School provided me an opportunity to present my experience of studying abroad in the US in Study Abroad Conference (even TV broadcaster came). I also offered some advice to the rising 12th grade student since I believe inheritance is important so I decided to share my experience and pass on the message.
⇒ Guided high school students to find their direction on majors.
⇒ Shared in front of approximately 100 students about my experience in Boston.