Our Schools
DAV Public School had a noble beginning in the year 1987 in a rented building with hardly 120 students. Today its multi-storied beautiful infra structure facilitating education to more than 2000 students speaks volume of its popularity and efficacy. The school is managed by DAV College Managing Committee, New Delhi and got affiliated to Central Board of Secondary Education in the year 1995. Right from the day of its existence DAV is working persistently to shape the future of young and vibrant souls by imparting quality education with a team of 76 dedicated and smart working teachers. At present, the school stands out an enviable position at state level as many of the laudable achievements are to its credit. Class X and XII CBSE Board Exams results are par excellence.
See What Awaits
The law of nature says “Change is important
and exclusive”. We are determined to chart a new path for
ourselves destined to achieve success. It gives us immense
pleasure to welcome dear students and parents to the new
academic session - 2019-2020 with a definite assurance that
you will find the school atmosphere convivial with an
energetic environment, conducive to learning and growth.
Improvement is a never ending process. Strong desire and
will to improve makes us alert, open and prepared to welcome
new challenges, explore new possibilities and unite for
common success and excellence.
“If we sow good thoughts in our minds, we reap good actions,
good actions result in good habits and good habits when
formed pave a way for good character.”
Our good character is the foundation of our personality and
destiny. So our message to the students is to set new goals,
well in advance for the future, plan the targets to be
achieved as Vivekananda has rightly said, “Arise, awake and
stop not till the goal is achieved.” Our dreams will only
take shape if we are focussed and fill our minds with
positive attitude and thoughts towards a change.
About DAV
DAV Public School had a noble beginning in the year 1987 in a rented building with hardly 120 students. Today its multi-storied beautiful infra structure facilitating education to more than 2000 students speaks volume of its popularity and efficacy. The school is managed by DAV College Managing Committee, New Delhi and got affiliated to Central Board of Secondary Education in the year 1995. Right from the day of its existence DAV is working persistently to shape the future of young and vibrant souls by imparting quality education with a team of 76 dedicated and smart working teachers. At present, the school stands out an enviable position at state level as many of the laudable achievements are to its credit. Class X and XII CBSE Board Exams results are par excellence. Adding value to CBSE’s inherent strength school is empowering thousands of its pupils by giving them a solid backing under the guidance of DAV Stalwarts. With a mission to provide a wide range of holistic education based on “skill and application”, we are working well to meet soaring expectations.
Points of Pride
Our achievements and accolades showcase the power and pride of all DAV's.
Upcoming Events


Crow - Accelerating High Throughput Experimentation
Crow is a software package for retrieving, diagnosing, and presenting High Throughput Experimentation data from various instruments. Designed by Jackson Burns at the University of Delaware Donald Watson Lab in 2019, coded in Python in 2020 and still under active development.
Installation and Setup
Crow can be installed from the python package index (PyPi) with the following command:
pip install CrowHTE
Crow can then be started by typing crow
in the command line.
A step-by-step setup tutorial, including how to set up a python environment and access this repository, is available here.
To configure Crow to work for your instruments, modify config.yaml to work for your local installation. Data is retrieved by parsing XML files output by the software on the High Throughput Experimentation instrument. For example, our setup uses an Agilent GC and their software to run experiments and calculate eluate peak areas. Again, for an in-depth setup tutorial, see here.
Using Crow
Please see this website for comprehensive video tutorials detailing how to use Crow
in every stage of your workflow.
Support
If you need help with setting up Crow, finding out how to retrieve data from your HTE instrument, or you find this program at all helpful, send me a message.
To contribute to project, report or a bug, or request a new feature, open a pull request using one of the provided templates.


src/Events.js
'use strict';
import _ from 'underscore';
// Private / internal methods ---------------------------------------------------------------------------------------
/**
* Regular expression used to split event strings.
* @type {RegExp}
*/
const s_EVENT_SPLITTER = /\s+/;
/**
* Iterates over the standard `event, callback` (as well as the fancy multiple space-separated events `"change blur",
* callback` and jQuery-style event maps `{event: callback}`).
*
* @param {function} iteratee - Event operation to invoke.
* @param {Object.<{callback: function, context: object, ctx: object, listening:{}}>} events - Events object
* @param {string|object} name - A single event name, compound event names, or a hash of event names.
* @param {function} callback - Event callback function
* @param {object} opts - Optional parameters
* @returns {*}
*/
const s_EVENTS_API = (iteratee, events, name, callback, opts) =>
{
let i = 0, names;
if (name && typeof name === 'object')
{
// Handle event maps.
if (callback !== void 0 && 'context' in opts && opts.context === void 0) { opts.context = callback; }
for (names = _.keys(name); i < names.length; i++)
{
events = s_EVENTS_API(iteratee, events, names[i], name[names[i]], opts);
}
}
else if (name && s_EVENT_SPLITTER.test(name))
{
// Handle space separated event names by delegating them individually.
for (names = name.split(s_EVENT_SPLITTER); i < names.length; i++)
{
events = iteratee(events, names[i], callback, opts);
}
}
else
{
// Finally, standard events.
events = iteratee(events, name, callback, opts);
}
return events;
};
/**
* Guard the `listening` argument from the public API.
*
* @param {Events} obj - The Events instance
* @param {string} name - Event name
* @param {function} callback - Event callback
* @param {object} context - Event context
* @param {Object.<{obj: object, objId: string, id: string, listeningTo: object, count: number}>} listening -
* Listening object
* @returns {*}
*/
const s_INTERNAL_ON = (obj, name, callback, context, listening) =>
{
obj._events = s_EVENTS_API(s_ON_API, obj._events || {}, name, callback, { context, ctx: obj, listening });
if (listening)
{
const listeners = obj._listeners || (obj._listeners = {});
listeners[listening.id] = listening;
}
return obj;
};
/**
* The reducing API that removes a callback from the `events` object.
*
* @param {Object.<{callback: function, context: object, ctx: object, listening:{}}>} events - Events object
* @param {string} name - Event name
* @param {function} callback - Event callback
* @param {object} options - Optional parameters
* @returns {*}
*/
const s_OFF_API = (events, name, callback, options) =>
{
if (!events) { return; }
let i = 0, listening;
const context = options.context, listeners = options.listeners;
// Delete all events listeners and "drop" events.
if (!name && !callback && !context)
{
const ids = _.keys(listeners);
for (; i < ids.length; i++)
{
listening = listeners[ids[i]];
delete listeners[listening.id];
delete listening.listeningTo[listening.objId];
}
return;
}
const names = name ? [name] : _.keys(events);
for (; i < names.length; i++)
{
name = names[i];
const handlers = events[name];
// Bail out if there are no events stored.
if (!handlers) { break; }
// Replace events if there are any remaining. Otherwise, clean up.
const remaining = [];
for (let j = 0; j < handlers.length; j++)
{
const handler = handlers[j];
if (
callback && callback !== handler.callback &&
callback !== handler.callback._callback ||
context && context !== handler.context
)
{
remaining.push(handler);
}
else
{
listening = handler.listening;
if (listening && --listening.count === 0)
{
delete listeners[listening.id];
delete listening.listeningTo[listening.objId];
}
}
}
// Update tail event if the list has any events. Otherwise, clean up.
if (remaining.length)
{
events[name] = remaining;
}
else
{
delete events[name];
}
}
if (_.size(events)) { return events; }
};
/**
* The reducing API that adds a callback to the `events` object.
*
* @param {Object.<{callback: function, context: object, ctx: object, listening:{}}>} events - Events object
* @param {string} name - Event name
* @param {function} callback - Event callback
* @param {object} options - Optional parameters
* @returns {*}
*/
const s_ON_API = (events, name, callback, options) =>
{
if (callback)
{
const handlers = events[name] || (events[name] = []);
const context = options.context, ctx = options.ctx, listening = options.listening;
if (listening) { listening.count++; }
handlers.push({ callback, context, ctx: context || ctx, listening });
}
return events;
};
/**
* Reduces the event callbacks into a map of `{event: onceWrapper}`. `offer` unbinds the `onceWrapper` after
* it has been called.
*
* @param {Object.<{callback: function, context: object, ctx: object, listening:{}}>} map - Events object
* @param {string} name - Event name
* @param {function} callback - Event callback
* @param {function} offer - Function to invoke after event has been triggered once; `off()`
* @returns {*}
*/
const s_ONCE_MAP = function(map, name, callback, offer)
{
if (callback)
{
const once = map[name] = _.once(function()
{
offer(name, once);
callback.apply(this, arguments);
});
once._callback = callback;
}
return map;
};
/**
* Handles triggering the appropriate event callbacks.
*
* @param {Object.<{callback: function, context: object, ctx: object, listening:{}}>} objEvents - Events object
* @param {string} name - Event name
* @param {function} cb - Event callback
* @param {Array<*>} args - Event arguments
* @returns {*}
*/
const s_TRIGGER_API = (objEvents, name, cb, args) =>
{
if (objEvents)
{
const events = objEvents[name];
let allEvents = objEvents.all;
if (events && allEvents) { allEvents = allEvents.slice(); }
if (events) { s_TRIGGER_EVENTS(events, args); }
if (allEvents) { s_TRIGGER_EVENTS(allEvents, [name].concat(args)); }
}
return objEvents;
};
/**
* A difficult-to-believe, but optimized internal dispatch function for triggering events. Tries to keep the usual
* cases speedy (most internal Backbone events have 3 arguments).
*
* @param {Object.<{callback: function, context: object, ctx: object, listening:{}}>} events - events array
* @param {Array<*>} args - event argument array
*/
const s_TRIGGER_EVENTS = (events, args) =>
{
let ev, i = -1;
const a1 = args[0], a2 = args[1], a3 = args[2], l = events.length;
switch (args.length)
{
case 0:
while (++i < l) { (ev = events[i]).callback.call(ev.ctx); }
return;
case 1:
while (++i < l) { (ev = events[i]).callback.call(ev.ctx, a1); }
return;
case 2:
while (++i < l) { (ev = events[i]).callback.call(ev.ctx, a1, a2); }
return;
case 3:
while (++i < l) { (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); }
return;
default:
while (++i < l) { (ev = events[i]).callback.apply(ev.ctx, args); }
return;
}
};
/**
* Backbone.Events - Provides the ability to bind and trigger custom named events. (http://backbonejs.org/#Events)
* ---------------
*
* An important consideration of Backbone-ES6 is that Events are no longer an object literal, but a full blown ES6
* class. This is the biggest potential breaking change for Backbone-ES6 when compared to the original Backbone.
*

* Previously Events could be mixed in to any object. This is no longer possible with Backbone-ES6 when working from
* source or the bundled versions. It should be noted that Events is also no longer mixed into Backbone itself, so
* Backbone is not a Global events instance.
*

* Catalog of Events:

* Here's the complete list of built-in Backbone events, with arguments. You're also free to trigger your own events on
* Models, Collections and Views as you see fit.
*

* "add" (model, collection, options) — when a model is added to a collection.

* "remove" (model, collection, options) — when a model is removed from a collection.

* "update" (collection, options) — single event triggered after any number of models have been added or removed from a
* collection.

* "reset" (collection, options) — when the collection's entire contents have been replaced.

* "sort" (collection, options) — when the collection has been re-sorted.

* "change" (model, options) — when a model's attributes have changed.

* "change:[attribute]" (model, value, options) — when a specific attribute has been updated.

* "destroy" (model, collection, options) — when a model is destroyed.

* "request" (model_or_collection, xhr, options) — when a model or collection has started a request to the server.

* "sync" (model_or_collection, resp, options) — when a model or collection has been successfully synced with the
* server.

* "error" (model_or_collection, resp, options) — when a model's or collection's request to the server has failed.

* "invalid" (model, error, options) — when a model's validation fails on the client.

* "route:[name]" (params) — Fired by the router when a specific route is matched.

* "route" (route, params) — Fired by the router when any route has been matched.

* "route" (router, route, params) — Fired by history when any route has been matched.

* "all" — this special event fires for any triggered event, passing the event name as the first argument.

*

* Generally speaking, when calling a function that emits an event (model.set, collection.add, and so on...), if you'd
* like to prevent the event from being triggered, you may pass {silent: true} as an option. Note that this is rarely,
* perhaps even never, a good idea. Passing through a specific flag in the options for your event callback to look at,
* and choose to ignore, will usually work out better.
*
* @example
* This no longer works:
*
* let object = {};
* _.extend(object, Backbone.Events);
* object.on('expand', function(){ alert('expanded'); });
* object.trigger('expand');
*
* One must now use ES6 extends syntax for Backbone.Events when inheriting events functionality:
* import Backbone from 'backbone';
*
* class MyClass extends Backbone.Events {}
*
* @example
* A nice ES6 pattern for creating a named events instance is the following:
*
* import Backbone from 'backbone';
*
* export default new Backbone.Events();
*
* This module / Events instance can then be imported by full path or if consuming in a modular runtime by creating
* a mapped path to it.
*/
export default class Events
{
/** */
constructor() {}
/**
* Delegates to `on`.
*
* @returns {*}
*/
bind()
{
return this.on(...arguments);
}
/**
* Tell an object to listen to a particular event on an other object. The advantage of using this form, instead of
* other.on(event, callback, object), is that listenTo allows the object to keep track of the events, and they can
* be removed all at once later on. The callback will always be called with object as context.
*
* @example
* view.listenTo(model, 'change', view.render);
*
* @see http://backbonejs.org/#Events-listenTo
*
* @param {object} obj - Event context
* @param {string} name - Event name(s)
* @param {function} callback - Event callback function
* @returns {Events}
*/
listenTo(obj, name, callback)
{
if (!obj) { return this; }
const id = obj._listenId || (obj._listenId = _.uniqueId('l'));
const listeningTo = this._listeningTo || (this._listeningTo = {});
let listening = listeningTo[id];
// This object is not listening to any other events on `obj` yet.
// Setup the necessary references to track the listening callbacks.
if (!listening)
{
const thisId = this._listenId || (this._listenId = _.uniqueId('l'));
listening = listeningTo[id] = { obj, objId: id, id: thisId, listeningTo, count: 0 };
}
// Bind callbacks on obj, and keep track of them on listening.
s_INTERNAL_ON(obj, name, callback, this, listening);
return this;
}
/**
* Just like `listenTo`, but causes the bound callback to fire only once before being removed.
*
* @see http://backbonejs.org/#Events-listenToOnce
*
* @param {object} obj - Event context
* @param {string} name - Event name(s)
* @param {function} callback - Event callback function
* @returns {Events}
*/
listenToOnce(obj, name, callback)
{
// Map the event into a `{event: once}` object.
const events = s_EVENTS_API(s_ONCE_MAP, {}, name, callback, _.bind(this.stopListening, this, obj));
return this.listenTo(obj, events, void 0);
}
/**
* Remove a previously-bound callback function from an object. If no context is specified, all of the versions of
* the callback with different contexts will be removed. If no callback is specified, all callbacks for the event
* will be removed. If no event is specified, callbacks for all events will be removed.
*
* Note that calling model.off(), for example, will indeed remove all events on the model — including events that
* Backbone uses for internal bookkeeping.
*
* @example
* // Removes just the `onChange` callback.
* object.off("change", onChange);
*
* // Removes all "change" callbacks.
* object.off("change");
*
* // Removes the `onChange` callback for all events.
* object.off(null, onChange);
*
* // Removes all callbacks for `context` for all events.
* object.off(null, null, context);
*
* // Removes all callbacks on `object`.
* object.off();
*
* @see http://backbonejs.org/#Events-off
*
* @param {string} name - Event name(s)
* @param {function} callback - Event callback function
* @param {object} context - Event context
* @returns {Events}
*/
off(name, callback, context)
{
if (!this._events) { return this; }
this._events = s_EVENTS_API(s_OFF_API, this._events, name, callback, { context, listeners: this._listeners });
return this;
}
/**
* Bind a callback function to an object. The callback will be invoked whenever the event is fired. If you have a
* large number of different events on a page, the convention is to use colons to namespace them: "poll:start", or
* "change:selection".
*
* To supply a context value for this when the callback is invoked, pass the optional last argument:
* model.on('change', this.render, this) or model.on({change: this.render}, this).
*
* @example
* The event string may also be a space-delimited list of several events...
* book.on("change:title change:author", ...);
*
* @example
* Callbacks bound to the special "all" event will be triggered when any event occurs, and are passed the name of
* the event as the first argument. For example, to proxy all events from one object to another:
* proxy.on("all", function(eventName) {
* object.trigger(eventName);
* });
*
* @example
* All Backbone event methods also support an event map syntax, as an alternative to positional arguments:
* book.on({
* "change:author": authorPane.update,
* "change:title change:subtitle": titleView.update,
* "destroy": bookView.remove
* });
*
* @see http://backbonejs.org/#Events-on
*
* @param {string} name - Event name(s)
* @param {function} callback - Event callback function
* @param {object} context - Event context
* @returns {*}
*/
on(name, callback, context)
{
return s_INTERNAL_ON(this, name, callback, context, void 0);
}
/**
* Just like `on`, but causes the bound callback to fire only once before being removed. Handy for saying "the next
* time that X happens, do this". When multiple events are passed in using the space separated syntax, the event
* will fire once for every event you passed in, not once for a combination of all events
*
* @see http://backbonejs.org/#Events-once
*
* @param {string} name - Event name(s)
* @param {function} callback - Event callback function
* @param {object} context - Event context
* @returns {*}
*/
once(name, callback, context)
{
// Map the event into a `{event: once}` object.
const events = s_EVENTS_API(s_ONCE_MAP, {}, name, callback, _.bind(this.off, this));
return this.on(events, void 0, context);
}
/**
* Tell an object to stop listening to events. Either call stopListening with no arguments to have the object remove
* all of its registered callbacks ... or be more precise by telling it to remove just the events it's listening to
* on a specific object, or a specific event, or just a specific callback.
*
* @example
* view.stopListening();
*
* view.stopListening(model);
*
* @see http://backbonejs.org/#Events-stopListening
*
* @param {object} obj - Event context
* @param {string} name - Event name(s)
* @param {function} callback - Event callback function
* @returns {Events}
*/
stopListening(obj, name, callback)
{
const listeningTo = this._listeningTo;
if (!listeningTo) { return this; }
const ids = obj ? [obj._listenId] : _.keys(listeningTo);
for (let i = 0; i < ids.length; i++)
{
const listening = listeningTo[ids[i]];
// If listening doesn't exist, this object is not currently listening to obj. Break out early.
if (!listening) { break; }
listening.obj.off(name, callback, this);
}
if (_.isEmpty(listeningTo)) { this._listeningTo = void 0; }
return this;
}
/**
* Trigger callbacks for the given event, or space-delimited list of events. Subsequent arguments to trigger will be
* passed along to the event callbacks.
*
* @see http://backbonejs.org/#Events-trigger
*
* @param {string} name - Event name(s)
* @returns {Events}
*/
trigger(name)
{
if (!this._events) { return this; }
const length = Math.max(0, arguments.length - 1);
const args = new Array(length);
for (let i = 0; i < length; i++) { args[i] = arguments[i + 1]; }
s_EVENTS_API(s_TRIGGER_API, this._events, name, void 0, args);
return this;
}
/**
* Delegates to `off`.
*
* @returns {*}
*/
unbind()
{
return this.off(...arguments);
}
}


Briseida
Briseida is a developer cutting her teeth into bridging the gap between technology and social justice. She is aware just how at odds these two ideologies can be in the late-stage capitalist world we live in. Let it be known, she does not care, she will try anyway.
Lucia
Lucia is a software developer with a background in research. She is passionate about using tech to help provide solutions to the socio-economic inequalities in our communities. In her spare time she can be found trying to find a solid body of water to jump into, dancing in places not intended for dancing and finding art in the everydayness.
Annalise
Annalise is an entrepreneur (specialized in e-commerce) and software developer expanding her knowledge into the tech world. When she’s not coding, she’s brushing up on her aerial skills and tapping into her circusy ways.
Breeann
Software Developer who has worn the hats of graphic designer and data analyst in the past. I love photography, design, anything art or nature, and obviously code. I think that with my design eye for visual communication, combined with my exposure to data analytics and the backend, gives me a very distinct and valuable skillset to break into the development and tech world.


A node/npm package for parsing bibtex (.bib) files. This is the parser that drives Better BibTeX for Zotero bib(la)tex imports.
While parsing, the parser will apply markup for commands such as \textbf
, \textsc
, etc, and braces wich protect text against case-changes. Commands will be replaced with their unicode text equivalents where possible.
BibTeX is a reference management program that makes it easy for users of TeX and LaTeX to generate bibliographies for books and journal articles. When possible, it is usually stylized in the TeX font the way TeX and LaTeX are. LaTeX was first created in 1985 by Leslie Lamport and Oren Patashnik.
Documenation is available at http://retorque.re/bibtex-parser/.


What are we going to learn
in this presentation?
- What is ReactJS?
- Why ReactJS?
- How to ReactJS?
- Tools for ReactJS?
ES6
Some features:
let
import/export
() => {}
JSX
Similiar to Razor Syntax
const element = Hello, world!
;
What is ReactJS?
- Open Source JS Library for building Dynamic UI
https://github.com/facebook/react
- Which in MVC terms is the View
- Initially developed by Facebook
- Maintained by Facebook and the React community
Why ReactJS?
- Component-based
- Usable with different technology stack
- You can even write for mobile using React Native
Components
Are nested in some hierarchy
This hierarchy is called Virtual DOM
What is VirtualDOM?
Component Specific
render()
the only one required
constructor()
this.props
this.state
Resources
https://reactjs.org/ Official Website
https://devhints.io/react Cheatsheet


JavaScript
It was developed under the name Mocha, but was officially called LiveScript and renamed into JavaScript in 1995 by Brendan Eich at Netscape Communications as the scripting language for the Netscape Navigator Browser. It has been standardized by ECMA International as ECMAScript.
JavaScript + DOM/BOM + CSS + (X)HTML = DHTML.
JavaScript code in (X)HTML pages can be executed "on the fly" as the document is rendered (i.e. code outside of functions executes as the <script> element is encountered); in most cases though, JavaScript code is executed in response to document events (e.g. clicking a page element).
Versions
- JavaScript 1.5
- Jscript 5.5
- ECMAScript v3 (ECMA-262 3rd Edition)
- JavaScipt 1.8.1
- ECMAScript 5 (ECMA-262 5th Edition)
Frameworks
JavaScript can be linked or embedded in web pages using the <script> element.
- Linked
<script type="text/javascript" src="scripts.js"/></script>
<script type="text/javascript">
<!-- hide script from non-JavaScript browsers ..
/* script code here */
// end of script .. -->
</script>
Basic Language Features
- Paradigm
- Object-oriented (prototype-based)
- Functional
- Imperative Scripting Language
- Java/C like Syntax
- Implicit semicolon insertion for statement termination
- Identifiers are alphanumeric, _, and $ characters
- Single-line (//) or block (/**/) comments
- Type system and variable scoping rules
- Dynamic (aka loose or weak) typing
- Global (aka top-level) or local scopes
- Data types:
- Primitive types
- Numbers (decimal, hexadecimal notation)
- Booleans (true, false)
- Strings (Single or Double quote delimited)
- Undefined and Null
- Composite(object)types
- Core Javascript Object
- Object, Number, Boolean, String, Date, Math, Global, RegExp, Error
- Arrays
// array creation var myArr = []; var myArr = new Array(); // array methods // Appends to the end of the array can contain any object or value myArr.push('test'); myArr.push({name:'chris'}); // adding objects myArr.push(function(){ console.log('Hello'); }) // even functions // Removes and returns last item of array var item = myArr.pop(); // Appends as first item in array myArr.unshift('first item'); // Same as pop but with the first element instead of last var firstItem = myArr.shift(); var arr = ['one', 'two', 'three']; // Returns ['one', 'two'] var sliced = arr.slice(0, 2); // Reversed the ordering of an array arr.reverse(); // Sorts an array alphanumerically arr.sort(); // This also can take a callback which will be use for sorting // This sorts the array numerically arr.sort(function(a, b){ return a - b; }); // Converts an array into a string using a delimeter arr.join(','); // returns the string "one,two,three" /* Iterating an array */ // Array and for-each for(var index in arr){ console.log(arr[index]); } // Or the built in forEach method arr.forEach(function(value){ console.log(value); });
There are also the iterator methods that are used to iterate for each of the values in array without resorting to for loops
- filter(callback)
- Filters an array using the callback
- every(callback)
- Tests all elements pass the test, returns a boolean
- map(callback)
- Does the callback to all elements
- forEach(callback)
- Same as the for-each JavaScript but as a method
- reduce(callback)
- Uses an accumulator which can be used for each iteration
- Functions (Functions, Argument)
// Function declaration function sayHello(){ console.log('Hello!'); } // alternatively var sayHello = function(){ console.log('Hello!') } // Both functions can be called by invoking the name sayHello(); // Functions can also take arguments: function sayHello(name){ console.log('Hello ' + name); } // invoking would be like: sayHello('Cee'); // Using the arguments array function usingOptionalArguments(){ console.log(arguments[0]); console.log(arguments[1]); console.log(arguments[2]); } usingOptionalArguments('first', 'second', 'third'); // Function with return type function isGreater(a, b){ return a > b; } isGreater(3, 2); // returns true
- Objects
There are couple of ways of creating objects, but the common way is to use an object literal
// The best way to understand objects is by creating an object literal var buddha = { name: 'Siddharta', sex: 'Male', hometown: 'India' } // Now we have an object assigned to the variable buddha // We can access its properties by using the dot notation console.log(buddha.name); // this prints out 'Siddharta' // or console.log(buddha["name"]); // To set another property we can either do: buddha.fullName = "Siddharta Gautama"; // or buddha['fullName'] = "Siddharta Gautama" // To edit a property its going to be the same buddha.fullName = "Sidhharta Gautama - The Buddha" // The snippet below is commonly used to get properties of objects for (var propertyName in buddha){ console.log(buddha[propertyName]); } // To delete a property from that object we can do: delete buddha.fullName // Objects can also be converted to strings and vice-versa var stringRepresentation = JSON.stringify({name: 'Chris'}); // Converting it to an object again var chris = JSON.parse(stringRepresentation);
- Anchor, Applet, Attr, Comment, DOMException, DOMImplementation, DocumentFragment, Element, Event, Form, Image, Input, Layer, Link, Node, Option, Select, Style, Text, TextArea


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 Todd transports the mail to the port of Dundee. The mail boat to Britain sails at ten o"clock. Todd must not miss the boat. Todd huffs and puffs as he struggles up the hills. Todd beeps his horn as he speeds across the plains. "Beep, beep!" At a crossing, Todd sees a goat on the track. He beeps his horn but the goat just stands still. Todd has to stop and wait for the goat to get off the track. "Beep, beep, beep, beep!" How is Todd feeling as he waits" Will he to the port of Dundee before the boat sails" It is ten o"clock. Todd is at the dock. The mail is loaded on the boat and the boat sets sails. "Boom, boom," booms the boat's fog horn. "Beep, beep," Todd replies.
in-context


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import math
import numpy as np
from scipy.spatial.distance import cdist
[docs]class Environment():
"""The dynamic network of robot nodes in the underwater environment
This class keeps track of the network dynamics by storing the positions of
all nodes. It contains functions to derive the distorted position from a
target position by adding a distortion and noise, to update the position of
a node, to update the distance between nodes, to derive the probability of
receiving a message from a node based on that distance, and to get the
relative position from one node to another node.
"""
def __init__(
self,
arena_size,
node_pos,
node_vel,
node_phi,
node_vphi,
distortion,
prob_type='quadratic',
conn_thres=math.inf,
conn_drop=1,
noise_magnitude=0.1,
verbose=False
):
"""Create a new environment for the fish
Arguments:
node_pos {np.array} -- Initial positions of all nodes.
distortion {np.array} -- Static distortion model, e.g. pull/push
to/from origin. Describes velocity vectors that act on each
position.
Keyword Arguments:
prob_type {str} -- Type of probability for receiving a message;
binary based on distance threshold, or quadratic decay with
distance. (default: {'quadratic'})
conn_thres {float} -- Threshold at which a connection between 2
nodes brakes (for binary or quadratic) or where the probability
of connectedness is 0.5 for sigmoid. (default: {math.inf})
conn_drop {number} -- Determines the drop of connectivity for
sigmoid (default: {1})
noise_magnitude {number} -- Magnitude of noise that is added in
each simulation round to each target position of a node.
(default: {0.1})
verbose {bool} -- If `true` print some information during
simulation (default: {False})
"""
# Params
self.arena_size = arena_size
self.node_pos = node_pos
self.node_vel = node_vel
self.node_phi = node_phi
self.node_vphi = node_vphi
self.distortion = distortion
self.conn_thres = conn_thres
self.conn_drop = conn_drop
self.noise_magnitude = noise_magnitude
self.verbose = verbose
self.prob_type = prob_type
# Init
# restrict to tank
self.node_pos[:,0] = np.clip(self.node_pos[:,0], 0, self.arena_size[0])
self.node_pos[:,1] = np.clip(self.node_pos[:,1], 0, self.arena_size[1])
self.node_pos[:,2] = np.clip(self.node_pos[:,2], 0, self.arena_size[2])
self.update_distance()
[docs] def get_distorted_pos(self, source_index, target_pos):
"""Calculate the distorted target position of a node.
This method adds random noise and the position-based distortion onto
the ideal target position to calculate the final position of the node.
Arguments:
source_index {int} -- Index of the source node which position is to
be distorted.
target_pos {np.array} -- Ideal target position to be distorted
Returns:
np.array -- Final position of the node.
"""
# Get indices for the distortion vector field
indices = target_pos.astype(int)
# Simulate random noise in [-1,1]
noise = (
np.random.rand(3,) * 2 - np.ones((3,))
) * self.noise_magnitude
return target_pos + noise #self.distortion[math.floor(indices[0]/10), math.floor(indices[1]/10)] #xx
[docs] def set_pos(self, source_index, new_pos):
"""Set the new position
Save the new position into the positions array.
Arguments:
source_index {int} -- Index of the node position to be set
new_pos {np.array} -- New node position ([x, y, z]) to be set.
"""
self.node_pos[source_index] = new_pos
self.update_distance()
if self.verbose:
print('Env: {} is now at {}'.format(
source_index, new_pos, self.node_pos
))
# def set_vel(self, source_index, old_pos, new_pos): #xx
# """Sets velocity of fish. Used to find orientation for blind spot in (old) vision experiments.
# Args:
# source_index (id): Fish ID
# old_pos (list): 3D coordinates of old position
# new_pos (list): 3D coordinates of new position
# """
# self.node_vel[source_index] = new_pos - old_pos
[docs] def update_distance(self):
"""Calculate pairwise distances of every node
Calculate and saves the pairwise distance of every node.
"""
self.node_dist = cdist(self.node_pos, self.node_pos, 'cityblock') #xx 3D manhattan distance
[docs] def prob(self, node_a_index, node_b_index):
"""Calculate the probability of connectivity of two points based on
their Eucledian distance.
Arguments:
node_a_index {int} -- Node A index
node_b_index {int} -- Node B index
Returns:
float -- probability of connectivity
"""
distance = self.node_dist[node_a_index, node_b_index]
return self.prob_dist(distance)
[docs] def prob_dist(self, distance):
"""Calls the approriate probability functions
The returned probability depends on prob_type
Arguments:
distance {float} -- Eucledian distance
Returns:
float -- probability of connectivity
"""
if self.prob_type == 'quadratic':
return self.prob_quadratic(distance)
if self.prob_type == 'sigmoid':
return self.prob_sigmoid(distance)
# Binary connectivity by default
return self.prob_binary(distance)
[docs] def prob_binary(self, distance):
"""Simulate binary connectivity probability
This function either returns 1 or 0 if the distance of two nodes is
smaller (or larger) than the user defined threshold.
Arguments:
distance {float} -- Eucledian distance
Returns:
float -- probability of connectivity. The probability is either 1
or 0 depending on the distance threshold.
"""
if distance > self.conn_thres:
return 0
return 1
[docs] def prob_quadratic(self, distance):
"""Simulate quadradic connectivity probability
Arguments:
distance {float} -- Eucledian distance
Returns:
float -- probability of connectivity as a function of the distance.
The probability drops quadratically.
"""
if distance > self.conn_thres:
return 0
return max(self.conn_thres, (distance + 1)**-2)
return 1 / (math.exp(distance) + 1)
[docs] def prob_sigmoid(self, distance):
"""Simulate sigmoid connectivity probability
Arguments:
distance {float} -- Eucledian distance
Returns:
float -- probability of connectivity as a sigmoid function of the
distance.
"""
return 1 / (1 + np.exp(self.conn_drop * (distance - self.conn_thres)))
[docs] def get_rel_pos(self, source_index, target_index):
"""Calculate the relative position of two nodes
Calculate the vector pointing from the source node to the target node.
Arguments:
source_index {int} -- Index of the source node, i.e., the node for
which the relative position to target is specified.
target_index {int} -- Index of the target node, i.e., the node to
which source is relatively positioned to.
Returns:
np,array -- Vector pointing from source to target
"""
return self.node_pos[target_index] - self.node_pos[source_index]


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{% extends "layout.html" %} {% block title %}Dashboard{% endblock %} {% block body %}
All of these values are retrieved from the OIDC id_token
. If you click on ID_TOKEN
you can see any custom claims in the token provided by Okta in addition to the standard OIDC claims.
Welcome to the dashboard, {{ g.user.name }}!
Your email address and username is {{ g.user.email }}
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Your user id is {{ g.user.id }}
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I visited Puerto Rico for 10 days with my girlfriend, and took along a bag of shrooms hidden in my underwear. The precaution was somewhat uncomfortable, as well as thoroughly unecessary.
Anyway, after several days of meeting my girlfriend's extended family and blissing out on Puerto Rico's astounding natural beauty, we decided to take our stuff and visit a rainforest. We ate the shrooms straight (chasing each bite with onion rings from Burger King - it was a GREAT combination), and began feeling the effects about half an hour after dosing.
By this point it was nearly inconceivable to navigate further with the use of a map, so we bailed on our plans to find El Yunque (the rainforest), and instead ended up driving about fifteen miles past it, by this fabulous public beach in the town of Fajardo.
It had been raining earlier in the day (and would later rain again), so the beach was pleasantly deserted. We were, in fact, the only two people to be seen. WHen we first arrived, I sat on the hood of the car while my girlfriend went to use the bathroom, and watched several layers of clouds move discernibly across the sky. There was plenty of stuff to look at in the sky (i.e., clouds, drifting paisleys, etc.), all of which was fascinating.
Here comes the transcendental part.... So we walked into the water and splashed around a bit, and then came out and sat down under a palm tree. I lay my head in my girlfriend's lap and stared up into the sky while she buried me in the sand. We talked about our relationship (4 years), how happy we each are to have the other in our respectives lives, our mutual happiness at our recent career attainments, yadda da yadda da yadda.... I felt an intense sensation of belonging and joy.
After my girlfriend returned to the water, I rolled over, face down in the sand, and lay my head on my arm for perhaps 15 minutes.
We ended up playing in the water for literally four hours afterward. It rained again, and we had the immeasurable joy of experiencing it with no noise or distraction to detract from it. Rain on the sea, believe it or not, sounds like a chorus of tiny bells. Even stranger, the rainwater stays distinct upon hitting the sea; the drops coalesce into little beads and all run straight out away from the beach...as if they knew where to go before landing. And the surface of the water when the drops hit was itself fascinating. Not only where there countless ripples, but the entire surface of the water shimmered in the afternoon sun - which colored the sky a breathtaking series of reds and oranges to the west, gradiating into a placid violet to the east.
Topping off the whole experience was the fascination of exploring the various plants beneath the water. The beach extended for perhaps a quarter mile, and there were several distinct areas in which different kinds of plants were growing, not unlike underwater forests. The afternoon cultivated a strong wish on my part to take up SCUBA diving. If it's beautiful and calm on the surface, I cannot fathom how wonderful it must be underneath.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


After a less than impressive defensive season in 2021, the Bobcats needed a jolt to bring them back to life. Luckily, they found it in Spence Nowinsky.
Nowinsky previously spent four seasons as the co-defensive coordinator and linebackers coach at Miami University. He coached the best scoring defense in the Mid-American Conference in 2021. Nowinsky also coached several players to All-MAC selections during his time with the RedHawks
The Post sat down with Nowinsky to discuss the upcoming season, his new role and more.
The Post: You spent your last couple of seasons at Miami, how do you feel that your knowledge of the MAC is going to help you in your role at Ohio?
Nowinsky: I think that familiarity is always good. Understanding what certain people do offensively, tendencies, understanding personnel in the league.
TP: How do you feel the defense has grown from spring practice to now?
Nowinsky: I think we are right where we should be. I think that we’re in a very good place and we have excellent, tough young men on our team. I think we have guys that are smart, that work extremely hard and that like each other… I really appreciate how the players have embraced the change and the transition because it's not easy. It's not easy for them, it's not easy for us.
TP: You talked about communication, transition and working with something new, what has it been like working with this newer coaching staff?
Nowinksy: Well, that’s always a challenge. Luckily, Coach (John) Houser, who I worked with the previous four years from Miami is here with me, and that obviously aids magnificently within the transition. I think then it is just much like the players. It’s relationship building. First of all, the other assistants have to understand where you’re coming from, and again, you can’t be gray. You have to be very, very direct and you have to, more than anything, build relationships. Everybody can’t just wave a wand and all of a sudden love each other. It has to start from communication and respect for each other and that’s what I’ve always tried to do… I have to make the best decisions for our defense as in our team. But, very much, we’re in this together and everybody has a say, has a hand in it.
TP: Ohio’s defense wasn’t the best last season. It was in the bottom half of the MAC. What are you hoping to see out of the squad this fall?
Nowinsky: Here’s the non-negotiables of football. Every year is a different year. What we have to do is make sure that we emphatically pursue the football, we have to fly to the football, and when we get there, we have to be willing to strike and hit and be in position to fully execute our defense. We’re going to make mistakes at times, but I always tell guys ‘hey, you have to make full-speed decisions. If you’re going to make a mistake, make it full-speed. Don’t hesitate. Don’t overthink things…’ Understanding and executing our own defense. If we know what our opponent is doing, and that takes great awareness, great focus and great communication prior to the ball being snapped, and when that ball snaps, then that allows us to make those decisions in a timely fashion and then play really aggressively in the space that we can play in.
TP: Do you have any goals for this season?
Nowinsky We’re going to have to get better each week. I talk about number one, always competing, and that means we’re going to play physical and we’re going to play fast. Next, we have to have unbelievable concentration and that comes from how we focus and communicate. We’re always going to have to be prepared and ready. We get 20 hours during the work week, during a game week we get 20 hours with the student athletes and that counts in the weight room. That counts obviously practice time. That counts game time. So there’s not really a ton of time each day that we get to spend with the student athletes. So, it takes extra buy in, it takes extra time where the student athletes need to come in on their own. They need to watch extra film on their own. They need to get together and go over things.
The best teams I’ve ever been around, as soon as practice gets over, guys come up and they watch practice film and places that aren’t so great, guys don’t do that. And that’s caring, that’s wanting to be very good at what you do. Our players here, under the schedule, have Sundays off, so Monday is the first work day of the week. Sunday’s off, but it’s got to be a day where guys come in on their own and can watch film and study opponents and do ask questions and do take great notes, and then study their notes diligently just like class. This is a class and we can’t benefit, guys can’t get C’s, guys can’t get B’s. We have to get A’s. When all 11 guys get A’s on the field, you’ll be pretty darn good on defense.
TP: What are you looking forward to most this season?
Nowinsky: You know, just seeing how we grow. Seeing what we are capable of doing. Everybody’s doubting us right now and we’re an underdog. I love that role. It’s us against the world, and that’s awesome. It's fun to be the team that’s hunting and not the hunted. We’ve got a group of guys that are very excited to get better, very excited to be a good defense. They have a chip on their shoulder right now of what they’re going to be and what we’re striving to be, so that’s right now what I am excited to see, the progress that we take from the spring. I think we’ve made great strides this summer. From the summer now transitioning into fall camp and then fall camp to (Florida Atlantic) so that’s the steps we’re taking and again, I like our progress right now and I like where we are right now. But we’re going to go 1-0 and we’re not there yet. So, we have to keep growing. We have to keep building. We have to keep improving. We have to keep moving forward.
TP: You talked about importance. What is important to you as a coach?
Nowinksy: Doing things the right way.  We’re going to work hard and we’re going to be great technicians. We’re not going to be trash talkers. We’re going to walk with a swagger and not apologize to anybody for kicking tail, but we’re going to do it the right way. We’re going to always protect the team.  We’re not going to be undisciplined. We’re going to be prideful, and represent Ohio University with great pride and great honor.


{% extends "base.html" %} {% block content %}
Status: Pending Admissions decisions will be sent by email soon.


The market is flooded with a range of cleaner-disinfectants that clean the surfaces while killing the germs on them in the common place including kitchen, bathroom, drawing and other rooms.
Individuals may apply social distancing methods by staying at home, limiting travel, avoiding crowded areas, using no-contact greetings, and physically distancing themselves from others. Maintain social distancing in regions affected by the outbreak.
Respiratory infections can be caused by many different bacteria and viruses, including the virus that causes COVID-19. When you touch your face, the germs on your hands can take up residence in your mucous membranes and cause infections, including COVID-19 infections.
Frequent and proper hand hygiene is one of the most important measures that can be used to prevent COVID-19. WASH practitioners should work to enable more frequent and regular hand hygiene by improving facilities and using proven behavior-change techniques.
Sneeze and cough in the inside of your elbow or in a paper napkin and throw it immediately in a bin with a cover, then wash your hands. Use thoroughly water and soap or disinfect your hands using an alcohol-based rub, even if they don’t seem dirty to you.
Wearing a mask is not only important, it’s life-saving. You may be a carrier of COVID-19 and be asymptomatic. By wearing a mask you’re stopping the spread and protecting others.
Washing hands can keep you healthy and prevent the spread of respiratory and diarrheal infections from one person to the next.
Masks are a key measure to suppress transmission and save lives. masks can be used for either protection of healthy persons or to prevent onward transmission.
Most people with COVID-19 have mild illness and can recover at home without medical care. Do not leave your home, except to get medical care. Do not visit public areas.
People with suspected or confirmed COVID-19 should avoid contact with animals, including pets, livestock, and wildlife.
Avoid close contact with people who are sick. If possible, maintain 6 feet between the person who is sick and other household members.
The risks of getting COVID-19 are higher in crowded and inadequately ventilated spaces where infected people spend long periods of time together in close proximity.


I discovered today that the Get-ChildItem
cmdlet wasn’t behaving as I expected. Passing it $null
, @()
, or ''
will return the contents of the current directory:
> Get-ChildItem .
Directory: C:\Temp\BewareGetChildItem
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 5/4/2012 4:08 PM 6 Get-ChildItem.txt
> Get-ChildItem $null
Directory: C:\Temp\BewareGetChildItem
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 5/4/2012 4:08 PM 6 Get-ChildItem.txt
> Get-ChildItem @()
Directory: C:\Temp\BewareGetChildItem
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 5/4/2012 4:08 PM 6 Get-ChildItem.txt
> Get-ChildItem ''
Directory: C:\Temp\BewareGetChildItem
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 5/4/2012 4:08 PM 6 Get-ChildItem.txt
Yikes! I would expect it to write an error or just return nothing.
We have a function in our website deployment script that takes in a list of items and a filter, and deletes any item that doesn’t match the filter, like this:
function Remove-ExtraFiles($Items, $Exclude)
{
Get-ChildItem $Items -Exclude $Exclude -Recurse |
Where-Object { -not $_.PsIsContainer } |
Remove-Item
}
I was testing this script when I saw that files under my local directory were getting deleted. By the time I killed the script, it was too late: the last two hours of work were gone. It turns out that Remove-ExtraFiles
was getting called with an empty array as the $Items
parameter value.
In my case, the solution was to add some validation to the $Items
parameter:
function Remove-ExtraFiles
{
param(
[Parameter(Mandatory=$true)]
[string[]]
$Items,
[string[]]
$Exclude)
)
Get-ChildItem $Items -Exclude $Exclude -Recurse |
Where-Object { -not $_.PsIsContainer } |
Remove-Item
}
Making the parameter mandatory causes a script error if calling Remove-ExtraFiles
with null, an empty array, or an empty string.


Several people have asked me about living in Thailand. After spending a year in Chiang Mai, here are a few suggestions, recommendations and things I wished I knew ahead of time.
- Learn to speak Thai, at least a little bit. We took classes over Skype video for 2 months from Brett Whiteside and it really helped. I can speak and understand enough basics for cordial and respectful interactions with people, and to eat wherever I want :). If you're going to be there for a while learn to read Thai. It's seriously worth it, if only for reading menus and signs.
- Always print a detailed map of wherever you're going. Anywhere. All the time. Really.
- Make a custom Google map with the locations of: post office, utility offices (power, water), telco, police station, etc. Just in case.
- Banking: ATMs cost US$5 per transaction, and result in currency conversion fees. Instead, open a Bangkok Bank account and get a debit card. Getting a bank account took some paperwork, about an hour of waiting in the bank, and I think you have to pay a small fee. Bangkok Bank is the only Thai bank with a US branch (in NY). This means that you can make direct transfers from US banks to your Bangkok Bank account, allowing for money access with a minimum of delay and fees.
- 3G: I used AIS, which has unlimited (5GB IIRC) 3G monthly pre-paid option. Absolutely recommended for access to Google Maps while lost ;).
- Thai street food is often safer than food from "western" places. The food at the carts is usually bought fresh that day, and is cooked in front of you. The food at "western" hotels and restaurants is cooked out of sight, and they try to store food, which is risky since there's not really health department inspections like in the states, to ensure the storage is properly done. You'll find infinite opinions about this - this is my personal experience. There's no magic solution. You will have some intestinal discomfort at some point.
- Western toilets are everywhere. At some point however, you'll need to use a squat toilet. Chiang Mai Rock Climbing Adventures has humorous yet informative instructions for properly using a squat toilet.
- Use Foursquare or some other check-in service. I often couldn't find a place that I wanted to return to, or had forgotten the street, etc.
- 7-11. Is awesome. In Thailand you will pay your utility bills, refill your phone minutes, purchase concert tickets, and many other things there.
- Temples: Wear long pants and shirts with sleeves. Be quiet and respectful. Donate money to them. Most importantly: Go anywhere and everywhere. Always take a different route. Pull over often. Walk down unfamiliar streets. See every temple. Explore every market. And always carry your camera.


|
keigeki
1.0.0
傾撃
|
#import <CCActionInterval.h>
Additional Inherited Members | |
| Instance Methods inherited from CCScaleTo | |
| (id) | - initWithDuration:scale: |
| (id) | - initWithDuration:scaleX:scaleY: |
| Class Methods inherited from CCScaleTo | |
| (id) | + actionWithDuration:scale: |
| (id) | + actionWithDuration:scaleX:scaleY: |
| Protected Attributes inherited from CCScaleTo | |
| float | scaleX_ |
| float | scaleY_ |
| float | startScaleX_ |
| float | startScaleY_ |
| float | endScaleX_ |
| float | endScaleY_ |
| float | deltaX_ |
| float | deltaY_ |
| Properties inherited from CCActionInterval | |
| ccTime | elapsed |
Scales a CCNode object a zoom factor by modifying its scale attribute.