{% extends "tutorial.html" %}
{% block headauthor %}Wesley Hales Spinning refreshes, choppy page transitions, and periodic delays in tap events are just a few of the headaches in today’s mobile web environments. Developers are trying to get as close to native as they possibly can, but are often derailed by hacks, resets, and rigid frameworks. In this article, we will discuss the bare minimum of what it takes to create a mobile HTML5 web app. The main point is to unmask the hidden complexities which today’s mobile frameworks try to hide. You will see a minimalistic approach (using core HTML5 APIs) and basic fundamentals that will empower you to write your own framework or contribute to the one you currently use. Normally, GPUs handle detailed 3D modeling or CAD diagrams, but in this case, we want our primitive drawings (divs, backgrounds, text with drop shadows, images, etc...) to appear smooth and animate smoothly via the GPU.
The unfortunate thing is that most front-end developers are dishing this animation process off to a third-party party framework without being concerned about the semantics, but should these core CSS3 features masked? Let me give you a few reasons why caring about this stuff is important:
To make user interaction smooth and as close to native as possible, we must make the browser work for us. Ideally, we want the mobile device CPU to set up the initial animation, then have the GPU responsible for only compositing different layers during the animation process. This is what translate3d, scale3d and translateZ do — they give the animated elements their own layer, thus allowing the device to render everything together smoothly. To find out more about accelerated compositing and how WebKit works, Ariya Hidayat has a lot of good info on his blog.
Let’s take a look at three of the most common user-interaction approaches when developing a mobile web app: slide, flip, and rotation effects.
You can view this code in action here http://slidfast.appspot.com/slide-flip-rotate.html (Note: This demo is built for a mobile device, so fire up an emulator, use your phone or tablet, or reduce the size of your browser window to ~1024px or less).
First, we’ll dissect the slide, flip, and rotation transitions and how they’re accelerated. Notice how each animation only takes three or four lines of CSS and JavaScript.
The most common of the three transition approaches, sliding page transitions mimics the native feel of mobile applications. The slide transition is invoked to bring a new content area into the view port.
For the slide effect, first we declare our markup:
Notice how we have this concept of staging pages left or right. It could essentially be any direction, but this is most common.
We now have animation plus hardware acceleration with just a few lines of CSS. The actual animation happens when we swap classes on the page div elements.
When the user clicks a navigation element, we execute the following JavaScript to swap the classes. No third-party frameworks are being used, this is straight up JavaScript! ;)
Next, let’s take a look at the CSS which handles mobile device detection and orientation.
We could address every device and every resolution (see media query resolution). I used just a few simple examples in this demo to cover most portrait and landscape views on mobile devices. This is also useful for applying hardware acceleration per device. For example, since the desktop version of WebKit accelerates all transformed elements (regardless if it’s 2-D or 3-D), it makes sense to create a media query and exclude acceleration at that level.
Note that hardware acceleration tricks do not provide any speed improvement under Android Froyo 2.2+. All composition is done within the software.
On mobile devices, flipping is known as actually swiping the page away. Here we use some simple JavaScript to handle this event on iOS and Android (WebKit-based) devices.
View it in action http://slidfast.appspot.com/slide-flip-rotate.html.
When dealing with touch events and transitions, the first thing you’ll want is to get a handle on the current position of the element. See this doc for more information on WebKitCSSMatrix.
Since we are using a CSS3 ease-out transition for the page flip, the usual
Next we want to figure out which direction the user is flipping and set a threshold for an event (page navigation) to take place.
You’ll also notice that we are measuring the
To position the page and make the animations look native while a finger is touching the screen, we use CSS3 transitions after each event firing.
I tried to play around with cubic-bezier to give the best native feel to the transitions, but ease-out did the trick.
Finally, to make the navigation happen, we must call our previously defined
Next, let’s take a look at the rotate animation being used in this demo. At any time, you can rotate the page you’re currently viewing 180 degrees to reveal the reverse side by tapping on the “Contact” menu option. Again, this only takes a few lines of CSS and some JavaScript to assign a transition class
The markup (basic concept of front and back):
The JavaScript:
The CSS:
Now that we have our basic transitions covered, let’s take a look at the mechanics of how they work and are composited.
To make this magical debugging session happen, let’s fire up a couple of browsers and your IDE of choice.
First start Safari from the command line to make use of some debugging environment variables. I’m on Mac, so the commands might differ based on your OS.
Open the Terminal and type the following:
Introduction
Hardware acceleration
Page transitions
Sliding

Home Page

Products Page

About Page

.page {
position: absolute;
width: 100%;
height: 100%;
/*activate the GPU for compositing each page */
-webkit-transform: translate3d(0, 0, 0);
}
translate3d(0,0,0)
is known as the “silver bullet” approach.
function getElement(id) {
return document.getElementById(id);
}
function slideTo(id) {
//1.) the page we are bringing into focus dictates how
// the current page will exit. So let's see what classes
// our incoming page is using. We know it will have stage[right|left|etc...]
var classes = getElement(id).className.split(' ');
//2.) decide if the incoming page is assigned to right or left
// (-1 if no match)
var stageType = classes.indexOf('stage-left');
//3.) on initial page load focusPage is null, so we need
// to set the default page which we're currently seeing.
if (FOCUS_PAGE == null) {
// use home page
FOCUS_PAGE = getElement('home-page');
}
//4.) decide how this focused page should exit.
if (stageType > 0) {
FOCUS_PAGE.className = 'page transition stage-right';
} else {
FOCUS_PAGE.className = 'page transition stage-left';
}
//5. refresh/set the global variable
FOCUS_PAGE = getElement(id);
//6. Bring in the new page.
FOCUS_PAGE.className = 'page transition stage-center';
}
stage-left
or stage-right
becomes stage-center
and forces the page to slide into the center view port. We are completely depending on CSS3 to do the heavy lifting.
.stage-left {
left: -480px;
}
.stage-right {
left: 480px;
}
.stage-center {
top: 0;
left: 0;
}
/* iOS/android phone landscape screen width*/
@media screen and (max-device-width: 480px) and (orientation:landscape) {
.stage-left {
left: -480px;
}
.stage-right {
left: 480px;
}
.page {
width: 480px;
}
}
Flipping
function pageMove(event) {
// get position after transform
var curTransform = new WebKitCSSMatrix(window.getComputedStyle(page).webkitTransform);
var pagePosition = curTransform.m41;
}
element.offsetLeft
will not work.
if (pagePosition >= 0) {
//moving current page to the right
//so means we're flipping backwards
if ((pagePosition > pageFlipThreshold) || (swipeTime < swipeThreshold)) {
//user wants to go backward
slideDirection = 'right';
} else {
slideDirection = null;
}
} else {
//current page is sliding to the left
if ((swipeTime < swipeThreshold) || (pagePosition < pageFlipThreshold)) {
//user wants to go forward
slideDirection = 'left';
} else {
slideDirection = null;
}
}
swipeTime
in milliseconds as well. This allows the navigation event to fire if the user quickly swipes the screen to turn a page.
function positionPage(end) {
page.style.webkitTransform = 'translate3d('+ currentPos + 'px, 0, 0)';
if (end) {
page.style.WebkitTransition = 'all .4s ease-out';
//page.style.WebkitTransition = 'all .4s cubic-bezier(0,.58,.58,1)'
} else {
page.style.WebkitTransition = 'all .2s ease-out';
}
page.style.WebkitUserSelect = 'none';
}
slideTo()
methods that we used in the last demo.
track.ontouchend = function(event) {
pageMove(event);
if (slideDirection == 'left') {
slideTo('products-page');
} else if (slideDirection == 'right') {
slideTo('home-page');
}
}
Rotating
onclick
.
NOTE: The rotate transition isn't rendered correctly on most versions of Android because it lacks 3D CSS transform capabilities. Unfortunately, instead of ignoring the flip, Android makes the page "cartwheel" away by rotating instead of flipping. We recommend using this transition sparingly until support improves.

...

Contact Page

function flip(id) {
// get a handle on the flippable region
var front = getElement('front');
var back = getElement('back');
// again, just a simple way to see what the state is
var classes = front.className.split(' ');
var flipped = classes.indexOf('flipped');
if (flipped >= 0) {
// already flipped, so return to original
front.className = 'normal';
back.className = 'flipped';
FLIPPED = false;
} else {
// do the flip
front.className = 'flipped';
back.className = 'normal';
FLIPPED = true;
}
}
/*----------------------------flip transition */
#back,
#front {
position: absolute;
width: 100%;
height: 100%;
-webkit-backface-visibility: hidden;
-webkit-transition-duration: .5s;
-webkit-transform-style: preserve-3d;
}
.normal {
-webkit-transform: rotateY(0deg);
}
.flipped {
-webkit-user-select: element;
-webkit-transform: rotateY(180deg);
}
Debugging hardware acceleration
This starts Safari with a couple of debugging helpers. CA_COLOR_OPAQUE shows us which elements are actually composited or accelerated. CA_LOG_MEMORY_USAGE shows us how much memory we are using when sending our drawing operations to the backing store. This tells you exactly how much strain you are putting on the mobile device, and possibly give hints to how your GPU usage might be draining the target device’s battery.
Now let’s fire up Chrome so we can see some good frames per second (FPS) information:
If you view this page in your souped up version of Chrome, you will see the red FPS counter in the top left hand corner.
This is how we know hardware acceleration is turned on. It also gives us an idea on how the animation runs and if you have any leaks (continuous running animations that should be stopped).
Another way to actually visualize the hardware acceleration is if you open the same page in Safari (with the environment variables I mentioned above). Every accelerated DOM element have a red tint to it. This shows us exactly what is being composited by layer. Notice the white navigation is not red because it is not accelerated.
A similar setting for Chrome is also available in the about:flags “Composited render layer borders”.
Another great way to see the composited layers is to view the WebKit falling leaves demo while this mod is applied.
And finally, to truly understand the graphics hardware performance of our application, let’s take a look at how memory is being consumed. Here we see that we are pushing 1.38MB of drawing instructions to the CoreAnimation buffers on Mac OS. The Core Animation memory buffers are shared between OpenGL ES and the GPU to create the final pixels you see on the screen.
When we simply resize or maximize the browser window, we see the memory expand as well.
This gives you an idea of how memory is being consumed on your mobile device only if you resize the browser to the correct dimensions. If you were debugging or testing for iPhone environments resize to 480px by 320px. We now understand exactly how hardware acceleration works and what it takes to debug. It’s one thing to read about it, but to actually see the GPU memory buffers working visually really brings things into perspective.
Now it’s time to take our page and resource caching to the next level. Much like the approach that JQuery Mobile and similar frameworks use, we are going to pre-fetch and cache our pages with concurrent AJAX calls.
Let’s address a few core mobile web problems and the reasons why we need to do this:
xhr.responseText
.Building on the code from the Slide, Flip, and Rotate demo, we start out by adding some secondary pages and linking to them. We’ll then parse the links and create transitions on the fly.
View the Fetch and Cache demo here.
As you can see, we are leveraging semantic markup here. Just a link to another page. The child page follows the same node/class structure as its parent. We could take this a step further and use the data-* attribute for “page” nodes, etc... And here is the detail page (child) located in a separate html file (/demo2/home-detail.html) which will be loaded, cached and set up for transition on app load.

Home Page
 Find out more about the home page!

Now lets take a look at the JavaScript. For simplicity sake, I am leaving any helpers or optimizations out of the code. All we are doing here is looping through a specified array of DOM nodes to dig out links to fetch and cache.
Note—For this demo, this method fetchAndCache()
is being called on page load. We rework it in the next section when we detect the network connection and determine when it should be called.
var fetchAndCache = function() { // iterate through all nodes in this DOM to find all mobile pages we care about var pages = document.getElementsByClassName('page'); for (var i = 0; i < pages.length; i++) { // find all links var pageLinks = pages[i].getElementsByTagName('a'); for (var j = 0; j < pageLinks.length; j++) { var link = pageLinks[j]; if (link.hasAttribute('href') && //'#' in the href tells us that this page is already loaded in the DOM - and // that it links to a mobile transition/page !(/[\#]/g).test(link.href) && //check for an explicit class name setting to fetch this link (link.className.indexOf('fetch') >= 0)) { //fetch each url concurrently var ai = new ajax(link,function(text,url){ //insert the new mobile page into the DOM insertPages(text,url); }); ai.doGet(); } } } };
We ensure proper asynchronous post-processing through the use of the “AJAX” object. There is a more advanced explanation of using localStorage within an AJAX call in Working Off the Grid with HTML5 Offline. In this example, you see the basic usage of caching on each request and providing the cached objects when the server returns anything but a successful (200) response.
function processRequest () { if (req.readyState == 4) { if (req.status == 200) { if (supports_local_storage()) { localStorage[url] = req.responseText; } if (callback) callback(req.responseText,url); } else { // There is an error of some kind, use our cached copy (if available). if (!!localStorage[url]) { // We have some data cached, return that to the callback. callback(localStorage[url],url); return; } } } }
Unfortunately, since localStorage uses UTF-16 for character encoding, each single byte is stored as 2 bytes bringing our storage limit from 5MB to 2.6MB total. The whole reason for fetching and caching these pages/markup outside of the application cache scope is revealed in the next section.
With the recent advances in the iframe element with HTML5, we now have a simple and effective way to parse the responseText
we get back from our AJAX call. There are plenty of 3000-line JavaScript parsers and regular expressions which removes script tags and so on. But why not let the browser do what it does best? In this example, we are going to write the responseText
into a temporary hidden iframe. We are using the HTML5 “sandbox” attribute which disables scripts and offers many security features...
From the spec: The sandbox attribute, when specified, enables a set of extra restrictions on any content hosted by the iframe. Its value must be an unordered set of unique space-separated tokens that are ASCII case-insensitive. The allowed values are allow-forms, allow-same-origin, allow-scripts, and allow-top-navigation. When the attribute is set, the content is treated as being from a unique origin, forms and scripts are disabled, links are prevented from targeting other browsing contexts, and plugins are disabled.
var insertPages = function(text, originalLink) { var frame = getFrame(); //write the ajax response text to the frame and let //the browser do the work frame.write(text); //now we have a DOM to work with var incomingPages = frame.getElementsByClassName('page'); var pageCount = incomingPages.length; for (var i = 0; i < pageCount; i++) { //the new page will always be at index 0 because //the last one just got popped off the stack with appendChild (below) var newPage = incomingPages[0]; //stage the new pages to the left by default newPage.className = 'page stage-left'; //find out where to insert var location = newPage.parentNode.id == 'back' ? 'back' : 'front'; try { // mobile safari will not allow nodes to be transferred from one DOM to another so // we must use adoptNode() document.getElementById(location).appendChild(document.adoptNode(newPage)); } catch(e) { // todo graceful degradation? } } };
Safari correctly refuses to implicitly move a node from one document to another. An error is raised if the new child node was created in a different document. So here we use adoptNode
and all is well.
So why iframe? Why not just use innerHTML? Even though innerHTML is now part of the HTML5 spec, it is a dangerous practice to insert the response from a server (evil or good) into an unchecked area. During the writing of this article, I couldn’t find *anyone* using anything but innerHTML. I know JQuery uses it at it’s core with an append fallback on exception only. And JQuery Mobile uses it as well. However I haven’t done any heavy testing in regards to innerHTML “stops working randomly”, but it would be very interesting to see all the platforms this affects. It would also be interesting to see which approach is more performant... I’ve heard claims from both sides on this as well.
Now that we have the ability to buffer (or predictive cache) our web app, we must provide the proper connection detection features that makes our app smarter. This is where mobile app development gets extremely sensitive to online/offline modes and connection speed. Enter The Network Information API. Every time I show this feature in a presentation, someone in the audience raises their hand and asks “What would I use that for?”. So here is a possible way to setup an extremely smart mobile web app.
Boring common sense scenario first... While interacting with the Web from a mobile device on a high-speed train, the network may very well go away at various moments and different geographies might support different transmission speeds (e.g., HSPA or 3G might be available in some urban areas, but remote areas might support much slower 2G technologies). The following code addresses most of the connection scenarios.
The following code provides:
applicationCache
.Again, all of these features require very little code. First we detect our events and loading scenarios:
window.addEventListener('load', function(e) { if (navigator.onLine) { // new page load processOnline(); } else { // the app is probably already cached and (maybe) bookmarked... processOffline(); } }, false); window.addEventListener("offline", function(e) { // we just lost our connection and entered offline mode, disable eternal link processOffline(e.type); }, false); window.addEventListener("online", function(e) { // just came back online, enable links processOnline(e.type); }, false);
In the EventListeners above, we must tell our code if it is being called from an event or an actual page request or refresh. The main reason is because the body onload
event won’t be fired when switching between the online and offline modes.
Next, we have a simple check for an ononline
or onload
event. This code resets disabled links when switching from offline to online, but if this app were more sophisticated, you might insert logic that would resume fetching content or handle the UX for intermittent connections.
function processOnline(eventType) { setupApp(); checkAppCache(); // reset our once disabled offline links if (eventType) { for (var i = 0; i < disabledLinks.length; i++) { disabledLinks[i].onclick = null; } } }
The same goes for processOffline()
. Here you would manipulate your app for offline mode and try to recover any transactions that were going on behind the scenes. This code below digs out all of our external links and disables them—trapping users in our offline app FOREVER muhahaha!
function processOffline() { setupApp(); // disable external links until we come back - setting the bounds of app disabledLinks = getUnconvertedLinks(document); // helper for onlcick below var onclickHelper = function(e) { return function(f) { alert('This app is currently offline and cannot access the hotness');return false; } }; for (var i = 0; i < disabledLinks.length; i++) { if (disabledLinks[i].onclick == null) { //alert user we're not online disabledLinks[i].onclick = onclickHelper(disabledLinks[i].href); } } }
OK, so on to the good stuff. Now that our app knows what connected state it’s in, we can also check the type of connection when it’s online and adjust accordingly. I have listed typical North American providers download and latencies in the comments for each connection.
Warning: The type
property used in the example below has been removed from the Network Information API. Use the bandwidth
property instead.
function setupApp(){ // create a custom object if navigator.connection isn't available var connection = navigator.connection || {'type':'0'}; if (connection.type == 2 || connection.type == 1) { //wifi/ethernet //Coffee Wifi latency: ~75ms-200ms //Home Wifi latency: ~25-35ms //Coffee Wifi DL speed: ~550kbps-650kbps //Home Wifi DL speed: ~1000kbps-2000kbps fetchAndCache(true); } else if (connection.type == 3) { //edge //ATT Edge latency: ~400-600ms //ATT Edge DL speed: ~2-10kbps fetchAndCache(false); } else if (connection.type == 2) { //3g //ATT 3G latency: ~400ms //Verizon 3G latency: ~150-250ms //ATT 3G DL speed: ~60-100kbps //Verizon 3G DL speed: ~20-70kbps fetchAndCache(false); } else { //unknown fetchAndCache(true); } }
There are numerous adjustments we could make to our fetchAndCache process, but all I did here was tell it to fetch the resources asynchronous (true) or synchronous (false) for a given connection.
Edge (Synchronous) Request Timeline
WIFI (Asynchronous) Request Timeline
This allows for at least some method of user experience adjustment based on slow or fast connections. This is by no means is an end-all-be-all solution. Another todo would be to throw up a loading modal when a link is clicked (on slow connections) while the app still may be fetching that link’s page in the background. The big point here is to cut down on latencies while leveraging the full capabilities of the user’s connection with the latest and greatest HTML5 has to offer. View the network detection demo here.
The journey down the road of mobile HTML5 apps is just beginning. Now you see the very simple and basic underpinnings of a mobile “framework” built solely around HTML5 and it’s supporting technologies. I think it’s important for developers to work with and address these features at their core and not masked by a wrapper.
{% endblock %}


1 2 3 4 5 6 7 8 {% extends "window.html" %} {% block viewport %}
Location: {{object.location}}
Number of ads running: {{object.num_ads}}


My name's Christophe Goulet-LeBlanc aka Kommisar. I'm an Acadian chip music composer from Moncton NB, Composing
music almost solely on a GameBoy tracker, LSDJ. The sound design is something more than just nostalgia. As
chip musicians we aim to make full use of the limited channels that the Nintendo GameBoy has to offer. I'm
currently a computer science student at Dalhousie University in Halifax, Nova Scotia. I usually make music
for myself, but have occasionally contributed music to compilations, CDs, and indie games. If interested, please don't hesitate to
contact me for any projects you feel I would be a good fit for.
Contact by email


Find-Food lets you find the nearest eating locations with just the tap of a button. It's faster and easier than google maps, and provides directions from your current location. NOTE: In order to use the maps you must grant access to your location.
Website
Description place
Maps


Credits
The 2020 UFO Puzzle Hunt was created over the summer in the midst of the COVID-19 pandemic.
We thank the many people whose effort made this Hunt possible.
- The puzzlers - Sean, Ren Jie, Ariane, Wan Lin, Yan Long, Yuan Bing, Jing Quan and William
- The web devs - Sean (front-end), Aaron, Jing Quan, and Jin Ming (back-end)
- The illustrators - Juin Hwaye, Wan Lin, Tian Yong and Jian Jun
- and everyone who helped us in the dry run!


FrameType TEXT
Basic text display of the Frame Family. Can be a oneLine or multiline text.
To have an auto expanding multiline text set Width x and Height 0.
FDF-Actions
Supported FrameEvents
- FRAMEEVENT_CONTROL_CLICK
- FRAMEEVENT_MOUSE_ENTER
- FRAMEEVENT_MOUSE_LEAVE
- FRAMEEVENT_MOUSE_UP
- FRAMEEVENT_MOUSE_WHEEL


Interactive map showing acerage of each National Park
This bubble chart displays the total acreage of national park land each state has. Alaska by far has the largest amount of national park land with over 31 million acres of land reserved for national parks.
Vascular plants were the most recorded species throughout national parks. Crabs/Lobsters were the least recorded species throughout national parks, which makes sense given they are usually found in the ocean. National Parks span the entire US far beyond the coasts!
There were significantly more native species found within national parks than Not Native species. However, almost as many recorded species were unknown, meaning they could not be identified as native or not native.
National Park visitation has been booming over the past 10 years. Almost every park, outside of a handful, had a growth in visitation. Some parks saw an increase of visitors by the thousands, others by the millions.
A scattered positive correlation with some potential outliers (circled in red)
An initial linear regression model presented a positive correlation with an R-squared value scored of 0.06 and an RMSE of 217.45.
A logarithmic transformation done on both X and y variables


ERNEST RIDES AGAIN A film review by James Berardinelli Copyright 1993 James Berardinelli
Rating (Linear 0 to 10): 0.9
Date Released: 11/12/93 Running Length: 1:34 Rated: PG (Cartoon violence)
Starring: Jim Varney, Ron K. James, Duke Ernsberger, Jeffrey Pillars, Linda Kash Director: John Cherry Producer: Stacy Williams Screenplay: John Cherry and William M. Akers Released by Emshell Producers Group
Ernest: the one-joke concept that refuses to die, no matter how badly we want him to. It's an amazing--an pathetic--testimonial to American culture that a series of television commercials is capable of spawning a movie and umpteen sequels (I believe this is the fourth in the series, but it's entirely possible I missed one somewhere). Once again, Jim Varney returns in the role that demands no acting whatsoever, and given that he never seems to do anything else, it was quite an eye opening experience to see him turn in a performance as Jed Clampett in the new BEVERLY HILLBILLIES.
Normally, at this point of a review, I give some idea of what the plot is about. This is a problem for ERNEST RIDES AGAIN, because even after sitting through an hour and a half of this unmitigated stupidity, I'm still not sure what happened. It's possible that I dozed off somewhere in the middle, but I can't be certain because the same stuff was happening when I opened my eyes as when I closed them.
The premise has something to do with the pet theory of a Dr. Abner Mellon (one of the most annoying characters in the history of cinema--a whining professor with a bad Elvis impersonation). His claim is that the British Crown Jewels aren't in England, but are instead hidden in an old civil war cannon called Goliath. Ernest stumbles upon this by accident, and then he and the good doctor end up riding the runaway cannon from pursuers that include Mellon's wife, a team of British secret service agents with bad accents, a nasty bad guy who wants the jewels for his private collection, a farmer with a pitchfork, and a pair of vacuum cleaner salesmen. I'm not making this up.
Ordinarily, this might seem like a decent premise for a madcap movie--not Shakespeare to be sure, but at least something watchable. Alas, it isn't so (although this could definitely be in the "so bad it's good" category). It's rare for me to give scores under the 1.0 mark, but ERNEST RIDES AGAIN definitely deserves to be placed in this exclusive category (occupied by such icons as CHILDREN OF THE CORN 2, LEPRECHAUN, and last year's bottom-of-the-barrel SPLIT SECOND).
Perhaps I should have taken it as a sign when the film broke at the beginning of the five-minute short preceding ERNEST RIDES AGAIN. (Called "Mr. Bill Goes to Washington", this Walter Williams creation is a nadir in satire, but I never cared much for Mr. Bill anyway, so what do I know?) And just when I thought the main feature couldn't possibly be worse than its lead in.... Well, it just goes to show that Hollywood is still capable of surprising me.
It's a difficult task for a movie to frighten me. I've sat through any number of horror flicks without batting an eyelash, but ERNEST RIDES AGAIN managed something that not even HALLOWEEN could accomplish. When the film came to a close with the promise of another sequel (ERNEST GOES TO SCHOOL, for anyone who cares), it was all I could do to keep from running from the theater in terror.
- James Berardinelli<EMAIL_ADDRESS>.
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


The sample demonstrates the creation of a simple ListBox based on a collection. “Add” button is available only when some text is entered in the textbox — such behavior is provided by the Enable data binding
ListBox
Enable


Json set map test.
Run
yarn browser
to create the bundle used to run the test.
Open the console to see the tests.


TREE-DOM 254 is a non-profit environmental initiative founded in Kenya.It aims to
sensitize people on the importance of tree planting to mitigate climate change effects.
Trees have been proven to be one of the most efficient solutions to fight Climate Change.
TREE-DOM 254 gathers and coordinates reforestation efforts such as tree planting initiatives among schools and organizations to create a world where people and nature can thrive.
Our mission is to conserve the environment on which all life depends.To achieve this, we must boldly address the biodiversity and climate crisis over the next decade. By maximizing our ability to affect change between now and 2030, we can shape a brighter future for people and our planet


[gecode-users] Any Advise on assignment delta
David Rijsman
David.Rijsman at quintiq.com
Wed Dec 10 16:52:00 CET 2008
Hi,
I have a use case where I would like to get more information than just 'any' on a Delta when I am being advised in a Propagator, for example as a result of an eq invocation on an IntView.
Specifically I would like to get each individual value that has been removed after successfully eq(ualizing) the view. I think this is not possible (today) but I am hoping I am missing some other ways of getting this information?
Second, if I would like to test in Propagator::advise if I am in propagation is it sufficient to test Space::stable (and it must be false to be in propagation)?
thank you,
David
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MRS. PARKER AND THE VICIOUS CIRCLE A film review by Ben Hoffman Copyright 1994 Ben Hoffman
It was with great anticipation that I looked forward to the screening of this film about the Algonquin Round Table of the 1920s with its extraordinary group of wit and talent. Who could forget Robert Benchley, Harold Ross, Alexander Woollcott, Edna Ferber, Deems Taylor, Will Rogers, Robert Sherwood, Heywood Broun, Neysa McMein, George S. Kaufman, Marc Connelly, F. Scott Fitzgerald, Harpo Marx, FPA, Donald Ogden Stewart ... and the many more who made that period a memorable one? Among the leaders of that superb pack was Dorothy Parker herself who was (and is) probably quoted more often than anyone but Shakespeare.
Many of the actors looked like those they were portraying which was fun to spot. But even those, like Benchley (Campbell Scott) who, tall and slender, did not resemble the more rotund Benchley, gave some of the finest performances.
Where the film loses out is that Jennifer Jason Leigh, playing Dorothy, chose to use some weird accent so that aside from sounding like the proverbial marbles in the mouth, the witty words she spoke were often lost. Having read Dorothy Parker's verse, stories and one-liners for lo these many years, I was able to recall the punch lines but I fear that most in the audience missed many of the gems.
Mrs. Parker's life should have been the most glorious because she was a unique and talented personality. Instead, her private life was a mess and this the film does explore to the end. How sad that a woman who wrote better than most of the men of that period (all famous), as well as drink them under the table, should have been such an unhappy, lonely soul.
Whatever makes the film worth seeing is due to the many witticisms that flew across the table, and the rest of the cast which includes (among many, many others), Matthew Broderick, Sam Robards, Martha Plimpton, Stephen Baldwin, Wallace Shawn, Keith Carradine, Nick Cassavetes and Peter Benchley.
Directed by Alan Rudolph.
2.5 bytes 4 Bytes = Absolutely must see. 3 Bytes = Too good to be missed. 2 Bytes = So so. 1 Byte = Save your money.
Ben Hoffman
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Related links: index of all rec.arts.movies.reviews reviews


This example shows how to use the ngeo-control directive to insert an OpenLayers control in the page.
ngeo-control


--- layout: post title: De novo genome assembly - before and after date: type: post published: false status: draft categories: - Bioinformatics tags: [] meta: _edit_last: '12058266' author: login: lexnederbragt email<EMAIL_ADDRESS>display_name: lexnederbragt first_name: '' last_name: '' ---
De novo genome assembly is all about assembly programs, right? Well... The recent assembly-competeion papers already pointed out the value of trimming reads, and error-correcting them, see GAGE-B and Assemblathon. But there is much more to assembly than this.
With this post, I will list a few of the things one can (should?) do before, and after the actual process of performing the assembly. There are the following limitations:
Quality control of your reads
Check quantity, quality (average per position, average per read), GC%, overrepresented subsequences, presence of adaptors/barcodes
Genome and read characteristics
Estimate genome size, repeat content, polymorphism level, coverage.
preqc (SGA)
Kmerspectrumanalyzer
BGI's
For de Bruijn graphs: estimate kmer to use
preqc (SGA)
kmergenie
others?
Data grooming
adapter trimming
quality trimming
format conversion (e.g. from outie to innie, change read identifier, fastq version, splitting 454/ion mates)
Data reduction, improvement
error-correcting reads
merge pairs (flash/cope)
lengthen reads (AFR-PE)
digital normalisation
Assembly
building contigs
scaffolding
After assembly
Basic metrics
assemblathon metrics script
others?
Assembly improvement
gap closing
recalling bases (iCORN, Quiver)
correction (REAPR etc)
Assembly merging/reconciliation
GAM
Mike Scathz tool?
CISA (Contig Integrator for Sequence Assembly)
MIX (https://github.com/cbib/MIX)
Assembly QC/validation
REAPR
ALE
FRCbam
linkage map
optical map
compare to transcriptome data
Visualisation
browser
Assembly comparison (likelihood)
CGAL
Comparison to a reference
Mauve contig mover
Quast
GAGE pipeline


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- Tested on firmware 4.0.0 - 4.2.6 (iPhone 3G) (iPhone 3GS) (iPhone 4) (iPad ?1, ?2). (iPad 1-2 not fully tested, you may install on iPad, pls email me if I'm missing something.)
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WITNESS LIST Public School Finance, Select Committee March 29, 2004 -10:00A Public School Finance Committee Report FOR: Casey, Daniel (Fast Growth School Coalition), Austin, TX Hartman, David (Lonestar Foundation), Austin, TX Kirk, Dr. Rocky (Lake Travis ISD), Austin, TX Rittler, Andrew (Associated Builders & Contractors of Texas), Cedar Park, TX Schlomach, Byron (TX Public Policy Foundation), Austin, TX Shields, Brad (TX Smokestack School Coalition), Austin, TX AGAINST: Ames, Bill (Self/Americans for Prosperity), Dallas, TX Ames, Lynette (Self & Americans for Prosperity), Dallas, TX Davila, Liz (C.O.P.S./Texas Industrial Areas Foundation), San Antonio, TX Hall, Reverand James (El Paso ISD & Texas IAF), El Paso, TX Hartman, Eric (Texas Federation of Teachers), Austin, TX Haschke, Donna (TX State Teachers Assoc.), Austin, TX Hollingsworth, Lonnie (Texas Classroom Teachers Association) McKenna, Reverand Enda (C.O.P.S.-Community Organized for Public Service/Texas Industrial Area Foundation), San Antonio, TX Pore, David (Assoc. of Texas Professional Educators (ATPE)), Austin, TX Valenzuela, Dr. Angela (Texas LULAC), Austin, TX Walch, John (Edgewood ISD & Self), San Antonio, TX ON: Allaway, Bill (Texas Taxpayers and Research Assn. (TTARA)), Austin, TX Borden, Sandi (Texas Elementary Principals & Supervisors Association) Clore, Paul (Gregory-Portland ISD), Gregory, TX Coffelt, Charlotte (Self), Kingwood, TX Colbert, Paul (El Paso ISD), Houston, TX Dickens, Linda (Texas Instruments), Dallas, TX Fullerton, Don (Self), Austin, TX Garcia, Dr. Roberto (Robstown ISD), Robstown, TX Garner, Donna (Self), Hewitt, TX Greenfield, Stuart (Self), Austin, TX Howard, Donna (Common Cause Texas/TX Education Crisis Coalition), Austin, TX Keenan, Barry (Let the Voters Decide/Community Planning Associates), Austin, TX King, Dr. Daniel (South Texas Association of Schools & Hidalgo ISD) Kress, Sandy (Self), Austin, TX Laney, David (Greater Dallas Chamber), Dallas, TX Maxwell, Susan (Texas Council For Developmental Disabilities), Austin, TX McKinney, Mike (Wholesale Beer Distributors of Texas), Austin, TX Meraz, Gloria (Texas Library Association), Austin, TX Moak, Lynn (Texas School Alliance), Austin, TX Moore, Jason (Self), Odessa, TX Mosbacher, Rob (Greater Houston Partnership), Houston, TX Norman, Scott (Texas Association of Builders), Austin, TX Orr, Dawson (TASA), Austin Paynter, Suzii (Christian Life Commission, Texas Baptist Convention), Austin, TX Pierce, Wayne (Equity Center), Austin, TX Pugh, Randy (Self), Keller, TX Reed, Cyrus (Texas Center for Policy Studies), Austin, TX Repp, Mayor Glenn (City of Duncanville), Duncanville, TX Ritter, Phil (Texas Instruments), Dallas, TX Roberts, Mike (Sinton ISD), Sinton, TX Rosenberg, Marci (People for the American Way), Houston, TX Shoupp, Erin (Carroll ISD, Southlake Robinhood Coalition), Southlake, TX Tristan, Rosalie (Valley Interfaith), Raymondville, TX Ware, Weston (Texans Against Gambling), Cedar Hill, TX West, Steve (Allen ISD), Allen, TX Winkler, Sarah (TASB & Alief ISD), Austin, TX Zimmerman, Bill (Prc. 3039 Southlake, TX), Southlake, TX Registering, but not testifying: For: Downing, Dr. Clayton (Texas School Coalition), Flowermound, TX Sadowski, Connie (Ed Options Resource Center at CEO), Austin, TX Against: Baker, Robert (Austin Interfaith & Texas Industrial Areas Foundation), Austin, TX Basurto, Elia (Metro-Alliance/Industrial Areas Foundation), San Antonio, TX Effenberger, Barbara (TSTA-Retired), Seguin, TX Frazier, Deborah (Self) Gregg, Brock (Assoc. of Texas Professional Educators (ATPE)), Austin, TX Harrison, Alice (Metro-Alliance & Texas Industrial Foundation), San Antonio, TX Jones, Carol (Self), Austin, TX Konta, Sandra (COPS/Meto-Texas IAF), San Antonio, TX Oubre, Joseph (The Metro Alliance & Industrial Areas Foundations), San Antonio, TX Smith, Lorenza (Metro Alliance/IAF), San Antonio, TX On: Benham, Mary (Socorro ISD), El Paso, TX Eckhart, Harley (Texas Elementary Principals & Supervisors Assn.), Austin, TX Fickel, Ann (TX Classroom Teachers Assoc.), Austin, TX Huth, Thomas (Self), Wimberley, TX Lambert, Kay (Advocacy, Inc.), Austin, TX Moorhead, Bee (Texas Impact), Austin, TX Pool, Janet (Self), Round Rock, TX Powell, Matthew (Self), Cedar Park, TX Rotishauser, Bob (Self & TECC), Austin, TX Providing written testimony: Against: Salvatore, Bob (Texas Buildings Trades Council), San Antonio, TX On: Clark, Catherine (Texas Association of School Boards), Austin, TX Hankins, Barbara (League of Woman Voters of Texas), Austin, TX Smoot, Samantha (Texas Freedom Network), Austin, TX Statman, Rona (The Arc of Texas), Austin, TX


--- layout: page title: About header-img: "img/about-bg.png" ---
I am a father of a two year old boy, currently in the Finance Indrustry leading a team. Eager about new challenges. I believe in karma and an essential habit to start with the end in mind.


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[gecode-users] Memory problem
Christian Schulte
cschulte at kth.se
Wed Aug 27 11:10:37 CEST 2008
That is really beyond our control: apparently the memory management is Mac OS is not very sophisticated (which does not come as a surprise to me).
While I fail to see the practical relevance of your example there is an experiment what you could do: you allocate the spaces in the same order as you deallocate them. Try and see what happens if you deallocate the spaces in inverse order. That is, run the deallocation loop backwards so that the space allocated last gets deleted first.
Cheers
Christian
--
Christian Schulte, www.ict.kth.se/~cschulte/
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf Of Gustavo Gutierrez
Sent: Wednesday, August 27, 2008 10:56 AM
To: gecode at gecode.org
Subject: [gecode-users] Memory problem
Hi All,
Some time ago someone reported an strange memory behavior in mac os x on the gecode list. I do not know whether it was fixed but i think it still remains in the current implementation. The problem apparently happens only in mac os x. You can get it by replacing the main function of the queens example to this one:
int
main(int argc, char* argv[]) {
SizeOptions opt("Queens");
opt.iterations(500);
opt.size(100);
opt.propagation(Queens::PROP_
DISTINCT);
opt.propagation(Queens::PROP_BINARY, "binary",
"only binary disequality constraints");
opt.propagation(Queens::PROP_MIXED, "mixed",
"single distinct and binary disequality constraints");
opt.propagation(Queens::PROP_DISTINCT, "distinct",
"three distinct constraints");
opt.parse(argc,argv);
/*
Example::run<Queens,DFS,SizeOptions>(opt);
*/
std::vector<Queens*> q;
for (unsigned int i=0; i < 100000; i++) {
q.push_back(new Queens(opt));
}
std::cout << "finished insertion" << std::endl;
for (unsigned int i=0; i < 100000; i++) {
Queens *tmp = q[i];
delete tmp;
q.pop_back();
}
std::cout << "finished delete" << std::endl;
int a;
std::cin >> a;
return 0;
}
The idea is to create a lot of spaces and to keep pointer to them in an array. After the creation all spaces are deleted. The expected behavior is to release all the memory allocated in the first loop and to have it available by the operating system. I tried in a mac os x running leopard and the memory seems to be still used by the process (according to Activity Monitor). In a linux machine the memory seems to be released according to top.
Another thing is that when using the gecode trunk to try the same problem, the de-allocation behaves better, that is, half of the memory is released but still some memory is kept by the process.
Do you have any suggestion on how to work around this?
Regards,
--
Gustavo Gutierrez
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The datasets used in this analysis was downloaded from :
The datasets provide different economic indicators such as GDP Growth, Inflation and HDI for 2 samples of countries (developed and developing) between 1995-2015.
After looking through the content of the datasets. I thought it would be interesting to look at the following questions:
- How different both developed and developing countries did during the past 20 years ?
- Can we predict future changes in these indicators for these countries ?
- For each of the given developed and developing countries which of them are doing better ?
import pandas as pd
from sklearn import linear_model
import matplotlib.pyplot as plt
import seaborn as sns
import numpy as np
%matplotlib inline
# Load your data and print out a few lines. Perform operations to inspect data
# types and look for instances of missing or possibly errant data.
# Reading Files
developed_Worldbank = pd.read_csv('developed.csv')
developing_Worldbank = pd.read_csv('developing.csv')
HDI_UnitedNations = pd.read_csv('hdi.csv')
developed_Worldbank.head()
developing_Worldbank.head()
developing_Worldbank.tail()
HDI_UnitedNations.head()
developed_Worldbank.dtypes
developing_Worldbank.dtypes
In the following cell we will perform initial cleaning :
- CleanFile_Eco (filename) - for the world bank files.
- CleanFile_HDI (filename) - United Nations Development Programme.
#Used to clean data from world bank
def CleanFile_Eco(filename):
df = pd.read_csv(filename)
#Renaming Columns
df = df.rename(columns = {'Time':'Year',
'GDP growth (annual %) [NY.GDP.MKTP.KD.ZG]':'GDP Growth (%)',
'GDP per capita (current US$) [NY.GDP.PCAP.CD]':'GDP per capita (US$)',
'GDP per capita growth (annual %) [NY.GDP.PCAP.KD.ZG]':'GDP per capita growth (%)',
'Inflation, consumer prices (annual %) [FP.CPI.TOTL.ZG]':'Inflation (%)',
'Unemployment, total (% of total labor force) (modeled ILO estimate) [SL.UEM.TOTL.ZS]':'Unemployment (%)',
'Health expenditure, total (% of GDP) [SH.XPD.TOTL.ZS]':'Health expenditure (% of GDP)',
'Life expectancy at birth, total (years) [SP.DYN.LE00.IN]':'Life expectancy (years)',
'Population, total [SP.POP.TOTL]':'Population'})
#Dropping not needed columns
df.drop('Country Code', axis=1, inplace=True)
df.drop('Time Code', axis=1, inplace=True)
#convert Health expenditure column to float
pd.to_numeric(df["Health expenditure (% of GDP)"])
#Rounding Values
#decimals = 2
#df['Inflation (%)'] = df['Inflation (%)'].apply(lambda x: round(x,decimals))
df = df.round(2)
return df
#Used to clean HDI data from UNITED NATIONS DEVELOPMENT PROGRAMME
def CleanFile_HDI(filename):
hd = pd.read_csv("hdi.csv")
#sort file by ranking
hd = hd.sort_values("HDI Rank (2015)")
#delete years before 1995
hd.drop(hd.columns[2:7], axis=1, inplace=True)
#Selecting specific countries
developed_c = [' Norway', ' Australia', ' Germany', ' Switzerland', ' United States', ' France', ' Italy', ' Sweden', ' Canada', ' Austria']
developing_c = [' Egypt', ' India', ' China', ' Mexico', ' Brazil', ' Iran', ' Morocco', ' Thailand', ' Turkey',' South Africa']
developed_hdi = hd[hd.Country.isin(developed_c)]
developing_hdi = hd[hd.Country.isin(developing_c)]
#Reshaping table
developed_hdi = developed_hdi.set_index('Country', 'HDI Rank (2015)')
developing_hdi = developing_hdi.set_index('Country', 'HDI Rank (2015)')
return developed_hdi, developing_hdi
# Developing Countries
developing_file = CleanFile_Eco("developing.csv")
# Developed Countries
developed_file = CleanFile_Eco("developed.csv")
# HDI index data for both developed and developing
developed_hdi, developing_hdi = CleanFile_HDI("hdi.csv")
developing_file.head(10)
In the Following cell :
- Country (country) - takes a country's name (str) and returns a dataframe with the country's data from all files but with missing values which we will address later.
#Retrieving Country info from all of the datasets
def Country(country):
if country in developing_file['Country Name'].values:
df = developing_file.loc[developing_file['Country Name'] == country]
hdi = developing_hdi.T
hdi = hdi[' ' + country]
hdi = pd.DataFrame({'HDI':hdi.values,'Time':hdi.index})
hdi = hdi.drop(hdi.index[0])
df = df.assign(HDI=hdi.HDI.values.round(3))
return df
elif country in developed_file['Country Name'].values:
df = developed_file.loc[developed_file['Country Name'] == country]
hdi = developed_hdi.T
hdi = hdi[' ' + country]
hdi = pd.DataFrame({'HDI':hdi.values,'Year':hdi.index})
hdi = hdi.drop(hdi.index[0])
df = df.assign(HDI=hdi.HDI.values.round(3))
return df
else:
print("Wrong Country Name")
Country('Egypt').dtypes
Country('Egypt')
In the Following cell we will take care of the missing HDI index data by using Linear Regression to populate the missing data :
- Add_missing_HealthEx (country) - takes a country's name (str) and returns a dataframe with the country's data from all files.
def Add_missing_HealthEx(country):
df = Country(country)
x_values = df['Year'].values.reshape(-1, 1)
x_values = x_values[:-1]
y_values = df['Health expenditure (% of GDP)'].values
y_values = y_values[:-1]
body_reg = linear_model.LinearRegression()
body_reg.fit(x_values, y_values)
value = body_reg.predict(2015).round(2)
#df.Year[df.Year == 2015].index # To find index of Year 2015
df.loc[df.Year[df.Year == 2015].index, 'Health expenditure (% of GDP)'] = value
return df
In the Following cell we will perform the last cleaning step for the data :
- Clean_Developing() - returns dataframe that contains all developing countries data and appends new columns 'Status' with value developing.
- Clean_Developed() - returns dataframe that contains all developed countries data and appends new columns 'Status' with value developed.
- Country_Info(Country) - takes country's name and returns a complete and clean dataframe containing the all of the country's info
def Clean_Developing():
developing_c = ['Egypt', 'India', 'China', 'Mexico', 'Brazil', 'Iran', 'Morocco', 'Thailand', 'Turkey','South Africa']
data = pd.DataFrame()
for country in developing_c:
df = Add_missing_HealthEx(country)
data = data.append(df)
# Create new Status col and add it to the dataframe
country_developing = np.repeat('Developing', 210)
data['Status'] = country_developing
return data
def Clean_Developed():
developed_c = ['Norway', 'Australia', 'Germany', 'Switzerland', 'United States', 'France', 'Italy', 'Sweden', 'Canada', 'Austria']
data = pd.DataFrame()
for country in developed_c:
df = Add_missing_HealthEx(country)
data = data.append(df)
# Create new Status col and add it to the dataframe
country_developed = np.repeat('Developed', 210)
data['Status'] = country_developed
return data
def Country_Info(country):
df = Add_missing_HealthEx(country)
return df
e = Clean_Developed()
e
In the Following cell we will save the cleaned data to csv.
# Save developed countries data
developed = Clean_Developed()
developed.to_csv('developed_countries.csv')
# Save developing countries data
developing = Clean_Developing()
developing.to_csv('developing_countries.csv')
# Save all data in one file
all_data = developing.append(developed).sort_values('Year')
all_data.to_csv('AllData.csv')
Indicators Definitions:
- GDP growth (annual %) : Annual percentage growth rate of GDP at market prices based on constant local currency.
- GDP per capita (current US) : GDP per capita is gross domestic product divided by midyear population.
- GDP per capita growth (annual %) : Annual percentage growth rate of GDP per capita based on constant local currency.
- Inflation, consumer prices (annual %) : Inflation as measured by the consumer price index reflects the annual percentage change in the cost to the average consumer of acquiring a basket of goods and services that may be fixed or changed at specified intervals.
- Unemployment (% of total labor force) : Unemployment refers to the share of the labor force that is without work but available for and seeking employment.
- Health expenditure (% of GDP) : Total health expenditure is the sum of public and private health expenditure.
- Life expectancy at birth (years) : Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.
- Population : Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. The values shown are midyear estimates.
- HDI : is a summary measure of average achievement in key dimensions of human development: a long and healthy life, being knowledgeable and have a decent standard of living.
Will explore this question using the graphs below.¶
In the following 2 cells : summary statistics for developed and developing countries
developed.describe().drop('Year', axis=1, inplace=False)
developing.describe().drop('Year', axis=1, inplace=False)
In the Following cells :
- Compare_bar(indicator) - takes indicator's name and plots a graph showing how both developed and developing countries did over the years.
developed_mean = developed.groupby('Year').mean()
developing_mean = developing.groupby('Year').mean()
#developing[developing['HDI'] >= 0.717]
def Compare_bar(indicator):
x = developing_mean[indicator].values
y = developed_mean[indicator].values
# create plot
years = developing['Year'].values
n_groups = 21
fig, ax = plt.subplots(figsize=(8,8))
index = np.arange(n_groups)
bar_width = 0.35
opacity = 0.8
rects1 = plt.bar(index, x, bar_width,
alpha=opacity,
color='b',
label='Developing Countries')
rects2 = plt.bar(index + bar_width, y, bar_width,
alpha=opacity,
color='r',
label='Developed Countries')
plt.xlabel('years')
plt.ylabel(indicator)
plt.title('Mean {} Per Year'.format(indicator))
plt.xticks(index + bar_width, years, rotation = 90)
plt.legend()
plt.tight_layout()
plt.show()
- As shown below Developed countries did better than Developing countries in these indicators.
Compare_bar('Life expectancy (years)')
Compare_bar('GDP per capita (US$)')
Compare_bar('Health expenditure (% of GDP)')
- As shown below Developing countries had larger percentages of Inflation and Unemployment than Developed countries. Whereas after 2000 they had better GDP per capita growth, which is expected for developing countries to have.
Compare_bar('Inflation (%)')
Compare_bar('GDP per capita growth (%)')
Compare_bar('Unemployment (%)')
- As expected Developed Countries have much better HDI than Developing countries
Compare_bar('HDI')
The Linear Regression model below uses the data to predict future changes.¶
- NOTE: estimated values could be different from real values because there're alot of other factors that are taken into consideration when predicting the real values.
#Simple Linear Regression to predict changes in Indicators
def Predict_Indicator(indicator, year, country):
data = Country_Info(country)
#Linear Regression
x_values = data['Year'].values.reshape(-1, 1)
y_values = data[indicator].values
body_reg = linear_model.LinearRegression()
body_reg.fit(x_values, y_values)
plt.scatter(x_values, y_values)
plt.plot(x_values, body_reg.predict(x_values))
plt.xlabel("Years")
plt.ylabel(indicator)
plt.show()
print("{} is predicted to be at {} for the year {} in {} ".format(indicator, body_reg.predict(year).round(2), year, country))
# Example
Predict_Indicator('Health expenditure (% of GDP)', 2020, 'Egypt')
For this question we will look at 2 Indicators : HDI & Unemployment.¶
In the Following cells :
- Compare_Line (indicator, status) - takes indicator's name and status variable to indicate which category Developed or Developing. Then plots a graph showing how all developed or developing countries did over the years with regard to that indicator.
def Compare_Line (indicator, status):
color= {'C0', 'C1', 'C2', 'C3', 'C4', 'C5', 'C6', 'C7', 'C8', 'C9'}
temp_developing = developing['Country Name'].tolist()
temp_developed = developed['Country Name'].tolist()
if status == 'Developed':
temp = temp_developed
elif status == 'Developing':
temp = temp_developing
else :
print('Wrong Status Value')
temp = set(temp)
temp = list(temp)
egy = Country_Info('Egypt')
x = egy['Year'].tolist()
fig, ax = plt.subplots(figsize=(10,8))
for i in temp:
df = Country_Info(i)
y = df[indicator].tolist()
plt.scatter(x, y)
plt.plot(x,y, label= i, linewidth=3)
plt.title("{} Countries ({})".format(status, indicator))
plt.ylabel("HDI")
plt.xlabel("Years")
plt.legend()
plt.xticks(rotation = 0)
plt.show()
As shown in the graphs below :
- All countries Developed and Developing have their HDI index increasing.
- Developed Countries : According to this sample dataset - Norway has the highest HDI whereas Italy has the lowest.
- Developing Countries : According to this sample dataset - Iran has the highest HDI whereas India has the lowest.
Compare_Line('HDI', 'Developed')
Compare_Line('HDI', 'Developing')
As shown in the graphs below :
- Developed Countries : According to this sample dataset - during the past few years Norway had the lowest unemployment rate whereas Italy had the highest.
- Developing Countries : According to this sample dataset - South Africa had the highest unemployment rate where as Thailand had the lowest.
Compare_Line('Unemployment (%)', 'Developed')
Compare_Line('Unemployment (%)', 'Developing')
After analyzing the datasets we can see that :
- Developed Countries tend to do better in these indicators : Life expectancy, GDP per capita and Health expenditure.
- Developing Countries have a problem with high percentages in these indicators : Inflation, Unemployment.
- GDP per capita : as expected, Developing countries tend to have higher percentages than the already Developed countries.
- HDI : as expected, Developed countries tend to have higher HDI values.
Also we can improve the ability of Linear Regression to predict future values with more data and more indicators. But real world values could differ due to the complexity of real world problems and the ever changing geopolitical landscape.


Harold Thimbleby
Worth considering as a counterpoint to my own work - he looks at the choice of display technology and the inherent affordances and perceptual capabilities of hardware choices - an element deliberately excluded in my own work.


Road-safety regulator rapped over regulating autonomous cars
WASHINGTON (AP) - The nation’s road-safety regulator is under fire again for what critics call lax oversight of tests involving autonomous vehicles.
The nation’s top transportation safety investigator said Tuesday that the National Highway Traffic Safety Administration doesn’t give enough direction to companies developing more automated cars.
And a member of the Senate Commerce Committee quizzed NHTSA’s acting administrator on why the agency hasn’t confronted Tesla about widely shared hacks that let drivers take their hands off the wheel.
NHTSA’s acting administrator, James Owens, says the agency is assessing autonomous vehicle technology and researching how people interact with it.
The hearing comes a day after the National Transportation Safety Board accused NHTSA of failing to adequately regulate the testing of autonomous vehicles. One board member said NHTSA puts technology advancement above saving lives.
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Copyright © 2019 The Washington Times, LLC.
Please read our comment policy before commenting.


The 9 mile long Crinan Canal runs from Ardrishaig on Loch Fyne to Crinan on the Sound of Jura. It provides a short cut between the Clyde Estuary and the west coast and its islands, avoiding the long trip round the Mull of Kintyre. It has 15 locks and 7 opening bridges.
Boats transiting this canal can be subject to safety checks on gas, fuel and electrical installations. Third party insurance of 1 million pounds sterling is required. With a normal crew of 3 or 4, the journey can be completed in about 6 hours, if necessary, but with its wonderful scenery, it is worth lingering a little longer.
It is open seven days per week in peak season and Monday to Friday during the winter.
Usual Lock Opening Hours:-
Spring
All Locks - 08:30 to 16:30 hours, Monday to Friday (Lunch Break - 30 minutes)
Summer Sea Locks, Lock 14 and Crinan Bridge 0600 to 2000, Monday to Sunday
Inland locks -08:30 - 19:30pm, Monday to Sunday (Please note a meal break will be taken between 17:30 and 1800)
Autumn All Locks - 08:30 to 16:30, Monday to Saturday (Lunch Break - 30 minutes)
Winter All Locks - 08:30 to 15:30pm, Monday to Friday (Lunch Break - 30 minutes)
For all seasons please note last locking will commence 30 minutes prior to close.
A useful site for getting uptodate information of lock times and any closures.


anæstrada
software engineer and graphic designer specialized in UX/UI.
this site is under construction, sorry for the inconveniences.
meanwhile, you can see some projects i have been working on:
[danafont,
slinky,
wannabelieve,
boonafide].
you can take a look at my behance,
check out my linkedin,
review my github,
or follow me on twitter.
feel free to reach out anytime!


Tomotaku is here to assit you for whatever situation. It is dedicated for everyone. Simple, Efficiency and Smart, Tomotaku will be your new best friend.
To use it, just download Discord into your computer and download our bot to use the functionalities.


I am an 18 year old CK203 first year student born 9th of April 2000, my home address is 20 the A*****, C*****, G*******, Co. Cork, and my phone number is 083*******
September 2004- July 2012: St. J****** National School, R*********, Co. Cork.
September 2012- June 2018: C******** A* P*********, G*******, Co. Cork
September 2018- May 2022: Business Information Systems, University College Cork
I participated in a work experience program at St. J****** National School, R********* that lasted from January 20** until May 20**. Duties involved supervising and interacting with the children both every morning until the class started and during lunch breaks, assisting in designing and preparing adaptive intuitive activities for the children and helping them with coursework.
I volunteered at Cork Penny Dinners for a period of several months. My duties included ensuring each table was set correctly every morning, preparing and laying out breakfast, organising and monitoring stock, collecting and washing ware, maintaining a clean work environment, assisting in serving lunch time meals and the washing up of the ware and tables after the lunch time meals.


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Note: Some old entries may show up duplicated under the same RefID. The bug has since been fixed.
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A charming old town with cobbled streets, an attractive port and lively markets. It is on the west bank of the Strelasund, the narror waterway between the mainland and the island of Rugen.
The harbour is accessed through the twin road and rail lifting bridges. If needing to wait for them to open, there is a yachthaven on the western bank.
Beware that the direction of the buoyage changes at the bridges if proceeding beyond Stralsund, either north or southward.
There are plenty of anchorages in the channel as well as yachthaven berths in the town, slightly outside, or on the island of Danholm.


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ios
bank-icons
Some logos have a dark-mode version.
{% for image in site.static_files %} {% if image.path contains 'img/shared/bank-icons' %} {% endif %} {% endfor %}pm-images
pv-images


Description
Calculus is an important building block in the education of any professional
who uses quantitative analysis. This course introduces and develops the
mathematical skills required for analyzing change and creating mathematical
models that replicate real-life phenomena. The goals of our calculus courses
include to develop the students' knowledge of calculus techniques and to use
the calculus environment to develop critical thinking and problem solving
skills. The concept of limit is central to calculus; MATH 140 begins with a
study of this concept. Differential calculus topics include derivatives and
their applications to rates of change, related rates, linearization,
optimization, and graphing techniques. The Fundamental Theorem of Calculus,
relating differential and integral calculus begins the study of Integral
Calculus. Antidifferentiation and the technique of substitution is used in
integration applications of finding areas of plane figures and volumes of
solids of revolution. Trigonometric functions are included in every topic.
Prerequisite
Math 22 AND 26; or Math 40 or Math 41; or satisfactory performance on the
algebra and trigonometry math proficiency examination.
Objectives
Upon successful completion of Math 140, the student should be able to:
-
Calculate or estimate limits of functions given by formulas, graphs, or
tables.
-
Determine whether a function given by a graph or formula is continuous at a
given point or on a given interval or on its domain.
-
Determine whether a function given by a graph or formula is differentiable
at a given point or on a given interval.
-
Distinguish between average and instantaneous rate of change and interpret
the definition of the derivative graphically.
-
Determine derivatives of some functions using the limit definition of the
derivative.
-
Calculate derivatives of polynomial, rational, and common transcendental
functions, and combinations of these functions.
- Calculate derivatives of composite functions.
- Calculate derivatives of implicitly defined functions.
-
Give examples to illustrate important theorems. (Intermediate Value Thm,
Rolle’s Thm, Mean Value Thm, Extreme Value Thm, Squeeze Thm).
-
Apply the ideas and techniques of derivatives to related rate problems.
-
Apply the ideas and techniques of derivatives to finding local and absolute
extrema.
- Apply the ideas and techniques of derivatives to graphing functions.
-
Apply the ideas and techniques of derivatives to optimization problems.
- Find linear approximations of functions (differentials).
- Calculate the Riemann sum for a given function and partition.
- Describe a definite integral as the limit of a Riemann sum.
-
Determine antiderivatives of some algebraic functions and some trigonometric
functions.
-
Calculate values of definite integrals using antiderivatives and areas.
-
Use the Fundamental Theorem of Calculus to determine the derivative of an
integral.
-
Use the Fundamental Theorem of Calculus to evaluate definite integrals.
- Apply substitution techniques to integrate functions.
-
Apply the ideas of definite integrals to calculate the area of a region
between curves.
-
Apply the ideas of definite integrals to calculate the volume of a solid of
revolution rotated about a coordinate axis.
-
Apply the ideas of definite integrals to calculate the volume of a solid of
revolution rotated about a line parallel to a coordinate axis.
- Synthesize concepts from two or more separate sections of the text.
Textbook
Calculus, Seventh Edition, (OR) Calculus(Single Variable), Seventh Edition, by
James Stewart, published by Thomson (Brooks/Cole). ISBN13: 978-0-538-49781-7
(OR) ISBN13: 978-0-538-49783-1 ebook options available from Cengage Learning.
Calculators
A graphics calculator is useful as a study and learning tool when used
appropriately, but it is not essential. Calculus is a collection of ideas that
is not mastered through calculator skills. Therefore, NO calculators are
allowed on exams.
Exams
Two 90-minute examinations will be given during the semester and a
comprehensive final exam will be given at the end of the semester. All three
of these exams are proctored exams.
Grading
| Assignment |
Points |
| Exam 1 |
100 |
| Exam 2 |
100 |
| Homework / Quizzes / Participation |
100 |
| Final Exam |
150 |
| Total |
450 |
Grading Scale
| Letter Grade |
% Score |
Total Points |
| A |
92-100% |
412-450 |
| A- |
90-91% |
403-411 |
| B+ |
87-89% |
390-402 |
| B |
83-86% |
372-389 |
| B- |
80-82% |
358-371 |
| C+ |
77-79% |
345-357 |
| C |
70-76% |
313-344 |
| D |
60-69% |
268-312 |
| F |
0-59% |
0-267 |
Arranging a Proctor
You will need to secure a proctor in order to take exams in this course. A
proctor will not automatically be assigned to you; rather, you must make the
necessary contacts to secure a professional who will serve in this capacity.
-
Contact a person who meets the qualifications and ask him or her to proctor
your exam.
-
Student Services must approve your proctor before any exams can be taken.
Please see instructions for securing a
suitable proctor
. While many proctors will serve on a voluntary basis, you are responsible
for paying any expenses incurred in retaining a proctor.
-
You must complete a Proctor Information Form and submit the completed form
with the proctor verification documentation. Note: If your proctor has been
previously approved by the World Campus during a prior course within two
years, you do not need to obtain verification. World Campus retains proctor
information on file for two years.
-
If your proctor does not meet the required specifications, Student Services
will notify you within 5 to 7 business days.
-
You will need to complete an Exam Request Form for each exam. Contact your
proctor to confirm the date, time, and location of your exam(s). Complete
the form 3 weeks prior to your scheduled exam to allow for processing the
request and mailing exams to proctors. If you are located outside the United
States, in order to allow adequate time for mailing, please plan to request
your exam earlier than 3 weeks prior to the exam week.
- Contact Student Services if you cannot take a scheduled exam.


Balotelli's Italy call-up will be on merit, not skin colour - Mancini
Milan - Italy coach Roberto Mancini said on Monday he would not name Mario Balotelli in a national squad simply to make a statement against racism.
"When I call Mario Balotelli it will be because he deserves it, not because of the colour of his skin," Mancini told a press conference before the Azzurri's final Euro 2020 qualifiers.
"I know Mario and I love him. Remember, I got Mario to play when he was a boy, so I know him really well."

But the 29-year-old missed out on a return to the international fold for the first time in a year when Mancini named his squad last Friday.
"Football must unite and not destroy," continued Mancini, who coached Balotelli at both Inter Milan and Manchester City.
"Balotelli is a player I love and is still at an age to do a lot. If he was to be called back it would be because he is useful for the national team, not to send a message.
"We called up some young players because from now until March we won't have the chance to see them in action."
Italy, who have already qualified for next year's European Championship, face Bosnia and Herzegovina on November 15 before hosting Armenia three days later.
Balotelli has scored two goals in six league appearances since returning to Italy with Brescia after a spell at French club Marseille.
He has found the net 14 times in 36 international appearances since making his Azzurri debut in 2010.
Mancini has handed maiden call-ups to Brescia defender Andrea Cistana, Fiorentina midfielder Gaetano Castrovilli and Bologna forward Riccardo Orsolini.
Balotelli's Brescia teammate Sandro Tonali meanwhile was called up on Monday in place of Paris Saint-Germain midfielder Marco Verratti.
AS Roma defender Leonardo Spinazzola and Sassuolo striker Domenico Berardi have also all been ruled out, but were not replaced.
Tonali made his senior international debut on October 15 against Liechtenstein, and scored his first Serie A goal on October 26.


Argus is a set of custom Kubernetes resources that facilitates filesystem event monitoring on specified paths. It provides a rich set of configurations to run alongside your existing Kubernetes deployments to make it easy to denote assessment-ready file integrity monitoring.
In deploying Argus into your cluster, a couple of components will be
initialized. First, the controller listens directly for Kubernetes events and
is responsible for syncing cluster state with the daemons running on each node
to make sure specified pods that need to be watched, are. Second, the daemon is
run on each node to ensure that it can monitor running pods on the same node.
It is charged with setting up inode watchers via inotify
to allow you to see
when certain filesystem events happen on the desired paths inside the pod.
It will be up to you to store, monitor, and alert on these logged events using your favorite tools of choice.
We will provide some common patterns using sets of popular tools further in this documentation.
Architecture
K8s informers) --> D F(ArgusWatcher CRDs) --> D end
Custom Resource Definition
In order to describe the set of pods you want to create a watcher for, what
paths you are interested in monitoring, and for what events, you’ll soon find
yourself creating a ArgusWatcher CustomResourceDefinition
. That is, a
Kubernetes custom type that will be configured in your cluster, that gives a
specification to define a watcher type with all the fields and flags the
controller will understand, configure, and pass along to the daemon so it can
watch appropriately in the fashion you describe.
Controller
argus-controller is the glue between the Kubernetes lifecycle and the daemons listening for events on the filesystems. It responds to events such as pod listers add, update, and delete, making sure that the proper state of the daemon that is running on the same node as that pod has the watcher either started or not on that daemon.
This controller operates in an idempotent fashion, in such cases that the controller pod running is terminated and a new one spins up, it immediately receives all the events upon startup that it would have received anyway over time; this way we can reconstruct the proper state immediately. When a daemon is not gracefully terminated, upon startup of a new daemon pod, we reconcile that pod’s current state (nothing) with what we expect it should be, and all addition calls should be immediately fired; same as the previous case but in reverse.
The other set of types the controller listens for is the ArgusWatcher
CustomResourceDefinition
described above. This is the definition that you
will create to define what selector, paths, events, and lots of optional
flags to create the notion of a file integrity monitor watcher.
Daemon
The argusd daemon will be deployed on all cluster nodes via a DaemonSet
.
It starts a gRPC server to communicate back-and-forth with the controller,
described above. When it receives a message from the controller to create a
watcher, it takes the desired configuration and spawns a argusnotify
process with a custom set of rules. For example, if one wishes to watch the
path recursively, this can be configured with an optional flag and will
maintain a tree of additional paths to watch under the parent.
Once the argusnotify process receives an inotify
message that the user
configured to watch for, it sends that message back to the argusd process
via a message queue and logs it in the cluster pod with any additional custom
logging configuration. This log can be picked up in the same way you’d watch
for logs in any other Kubernetes component.
Upon receiving an additional create message, if the watcher already exists, it will handle it in an idempotent way, and simply update with the current configuration. When receiving a delete message, if the watcher exists, it will shut down the processes involved and remove this watcher from the daemon’s current state.
There is an additional state check called periodically by the controller that reconciles what the daemon knows its state is with what the controller expects the current state to be. Any additional creation and deletion methods may be called due to any differences. This also allows for handling non-graceful terminations of either daemon or controller pods, thus the proper state can always be recreated in these cases.


Buddenbrooks
Buddenbrooks is a movie starring Armin Mueller-Stahl, Iris Berben, and Jessica Schwarz. In the 1840s, Lübeck is a dominating commercial town on the Baltic coast, and the Buddenbrooks are among the town's first families. Consul Jean...


Ion channels that specifically allow the passage of SODIUM ions. A variety of specific sodium channel subtypes are involved in serving specialized functions such as neuronal signaling, CARDIAC MUSCLE contraction, and KIDNEY function. (mesh:D015222)
| Synonym | Reference | Specificity |
| sodium channel | Exact | |
| Sodium channels | Exact | |
| Sodium channel | Exact | |
| sodium channels | Exact |
| Identifier | Name | Relation |
| HGNC:19082 | NALCN | isa |
| FPLX:SCNN | SCNN | isa |
| FPLX:SCN | SCN | isa |
| FPLX:ASIC | ASIC | isa |
| Relation | Identifier | Name |
| isa | FPLX:Cation_channels | Cation_channels |


Outline palette basic tests
Widget hierarchy
Steps
- Standard setup things: Clear the browser cache. Launch the Maqetta server.
Login if necessary.
In some cases, you'll want to setup a virgin user environment by creating a whole new user login.
- Select "Create New HTML File" from New menu. A folder titled showing the file name should appear in the Outline palette.
- Drag a Button and a TextBox onto the canvas. A Button entry and a TextBox entry should appear in the Outline palette.
- Drag a ContentPane onto the canvas. A ContentPane entry should appear in the Outline palette.
- Drag a Button into the ContentPane. A tree control (with a +/- square) should appear next to the ContentPane entry in the Outline palette.
- Click on the + square next to the ContentPane to expand it. A child Button entry should be displayed.
- Click on the - square next to the ContentPane to collapse it.
- On the canvas, drag a DIV into the ContentPane. A <div> entry should appear in the Outline palette as a child of the ContentPane.
- On the canvas, drag a Label and a ComboBox into the DIV. A + square should appear next to the <div> entry in the Outline palette.
- On the Outline palette, expand the <div> entry. A <label> and a ComboBox entry should appear as children of the <div>.
- On the canvas, drag a TabContainer onto an empty space on the canvas. A TabContainer should appear in the Outline palette under the root folder for the page.
- On the Outline palette, expand the TabContainer. It should contain two ContentPanes, one for each tab in the TabContainer.
Expected results
- When no files are open, the Outline palette is empty.
- When you open a new file, the Outline palette displays a folder titled "Application".
- When you drag a widget (or an HTML element) onto the canvas, an entry is added to the Outline palette,
consisting of an eyeball icon, a widget icon, and the widget name (e.g. "Button").
- Widgets are displayed in a tree-like hierarchy on the Outline palette.
- Widgets that are dropped directly onto the canvas are displayed in the Outline palette under the root "Application" folder.
- Widgets that are dropped into container widgets are displayed in the Outline palette under their parent container's folder.
- The widget icon for all container widgets is a folder.
- If the container contains other widgets, a tree control (+/- square) is displayed to the left of the folder.
- If the container is empty, the tree control is not displayed.
- When you click on the + square, the folder expands to show the contents of the folder.
- When you click on the - square, the folder collapses.
Selecting widgets from the Outline palette
Steps
- (continuing on the same file created in the previous test)
- Click on any widget entry in the Outline palette to select it, and verify that the corresponding widget is also selected on the canvas.
- In the Outline palette, expand the TabContainer and click on each child ContentPane of the TabContainer. Note how this selects each tab in the TabContainer on the canvas.
- In the Outline palette, expand the TabContainer and select the second ContentPane.
- On the canvas, drag a Calendar widget onto the TabContainer. Verify that the Calendar goes onto Tab 2.
Expected results
- When you select a widget entry in the Outline palette, the corresponding widget or subwidget is also selected on the canvas.
- When you select a widget or subwidget on the canvas, the corresponding widget entry in the Outline palette is also selected.
Setting widget visibility
Steps
- (continuing on the same file created in the previous test)
- In the Outline palette, click on the eyeball icon next to the TabContainer. The eyeball should close and the TabContainer should become invisible on the canvas.
- In the Outline palette, click on the eyeball icon next to the TextBox. The eyeball should close and the TextBox should become invisible on the canvas.
- Click on the "Save" icon on the main toolbar to save the new file.
- Click on the "X" close button for the editor tab for this file
- In the Files palette, double-click on the file you just created to re-open the file.
- In the Outline palette, the eyeball icons for the TextBox and the TabContainer should still be closed, and their widgets should still be invisible on the canvas.
- In the Outline palette, click on the closed eyeball icon next to the TabContainer. The eyeball should open and the TabContainer should become visible on the canvas.
Expected results
- Every entry in the Outline palette should have an eyeball icon in the left-most column (except the root "Application folder").
- All widgets are initially displayed with their eyeball icon open.
- The eyeball icon can be toggled open or closed by clicking on the icon.
- When you click on the open eyeball, the eyeball will close and the corresponding widget on the canvas will become invisible.
- When you click on the closed eyeball, the eyeball will open and the corresponding widget on the canvas will become visible.
- When a container widget's eyeball icon is toggled, the container and all of it's children will become invisible or visible on the canvas.
(Note - the children eyeball icons do not close unless you specifically click on a child widget's eyeball icon.)
- Eyeball icons retain their state.
- When you click off of a widget entry, the eyeball eyecon should retain its state.
- When you close the file and re-open it, the eyeball should retain its saved state.
- See the StatesPalette test plan for testing widget visibility for different states.
Widget rearrangement
Steps
- (continuing on the same file created in the previous test)
- Try to rearrange the widgets by dragging and dropping rows in the Outline palette.
Try to reorder widgets with the same parent and try to move a widget to a different parent.
Expected results
- You should be able rearrange widgets arbitrarily in the Outline palette.
-
(In 0.6, you can't drag/drop arbitrarily. We are lacking protection against
doing invalid reparenting. For example, TabContainer can only have
layout containers such as ContentPane as children, but
the Outline palette allows rearrangement such that a
Button or SPAN can be a direct child of TabContainer.
This will be addressed in a future release.


241_teddy.cpp
class Solution {
public:
int minOperationsMaxProfit(vector<int>& customers, int boardingCost, int runningCost) {
int N = customers.size();
int maxProfit = 0;
int maxProfitRotation = 0;
int waiting = 0;
int currProfit = 0;
int currRotation = 0;
int next = 0;
while(next < N || waiting > 0) {
if (next < N) {
waiting += customers[next];
next++;
}
int take = min(4, waiting);
waiting -= take;
currRotation++;
currProfit += boardingCost * take - runningCost;
if (currProfit > maxProfit) {
maxProfitRotation = currRotation;
maxProfit = currProfit;
}
}
return maxProfit > 0 ? maxProfitRotation : -1;
}
};


1. Definition
A Robot is a machine programmable by a Control system
capable of carrying out
a series of actions automatically. Robots can be autonomous or
semi-autonomous
2. Related concepts
2.1. Machine
A machine is a tool containing one or more parts that uses energy to perform an intended action. Machines are usually powered by chemical, thermal, or electrical means, and are often motorized.
2.2. Autonomy
Autonomy or Autonomous behavior is a contentious term in reference to unmanned vehicles due to the poor understanding of whether something acting without outside commands is doing so through its own ability to make decisions or through a method of decision making pre-programmed into it.
2.3. Energy
In physics, energy is the property that must be transferred to an object in order to perform work on – or to heat – the object, and can be converted in form, but not created or destroyed.[
In the project, it is possible to measure the remaining energy that your robot has in the batteries:
package ev3dev.sensors;
import lejos.utility.Delay;
public class BatteryExample {
public static void main(String[] args) {
final Battery battery = Battery.getInstance();
for(int x = 0; x < 20; x++){
System.out.println("Battery Voltage: " + battery.getVoltage());
Delay.msDelay(1000);
}
}
}
2.4. Technology
Technology is the collection of techniques, skills, methods and processes used in the production of goods or services or in the accomplishment of objectives, such as scientific investigation. Technology can be the knowledge of techniques, processes, and the like, or it can be embedded in machines which can be operated without detailed knowledge of their workings.


Bustabit v2 - Game Verification Script
Third party script used to verify games on Bustabit v2. --
Seeding event
|
Bustabit v2
|
Licensed sites
}
Show preview
Generate & Download
Game's hash
Bust


Home
About Me
Projects
My Projects
This section is currently still empty, but I hope you enjoy my photos of mosaic from Park Güell, Barcelona :)


British Columbia, Canada
Located in the heart of the Okanagan Valley, Kelowna is known for it's beaches and wineries!
Washington, United States
The Emerald City is the coffee capital of America!
Arizona, United States
Come for the sun, stay for the sunsets!
Germany
The old streets of Berlin are filled with historical significance!
Hawaii, United States
Surf Waikiki Beach and hit the strip!
Cuba
This coastal city is filled with unique architecture and scenic views!
California, United States
The tourism hub on the west coast!


While you’re free to use your own editor, this codelab will probably be easier to follow if you use the WebStorm IDE.
If you don't have it installed yet, you can download from official website.
Download WebStorm
After installing the WebStorm, use it to clone a Git repo (or just use the terminal).
Fetching the components may take some time if your internet connection is slow .
When the installation finishes, your project folder should look something like this:
Further installation:
npm install -g gulp bower
Install local npm and bower dependencies (run from the project folder)
npm install && bower install
This installs the element sets (Paper, Iron, Platinum) and tools the codelab requires to build and serve apps.
What is Node.js?
Node.js is a JavaScript runtime built on Chrome's V8
JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.
Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the world.
What is Gulp?
Gulp is a task/build runner for development. It allows you
to do a lot of stuff within your development workflow. You can compile sass files, uglify and compress js files and
much more. The kicker for gulp is that its a streaming build system which doesn't write temp files. It's like Pipes
in bash.
What is Bower?
Bower is a client-side package management tool that you can use
with any web app to take care of the hassles of dependency management. Every Polymer component defines its own set
of dependencies. When you install a Polymer component using Bower, the component and its dependencies are installed
under bower_components/
.
Run the demo
Next command should open the demo in a new browser tab:
gulp serve
If you don't see this text appear , make sure you run gulp serve
from the root folder.


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Grasp Planner
|
Traditionally, grasp pose generation is done through using convolutional neural networks (CNNs) to achieve grasp plans. The issues with using machine learning and neural networks is several fold
This ROS2 package presents a solution that requires no training, no labelling and little computational power to generate a 3 + 1 DOF grasp poses. The modular design of this package also allows for expansion into other gripper types. Current support for this package includes 2 finger gripper and single suction cup gripper
This package assumes a top down camera set up overlooking the grasping area. Assuming that the axis through the image plane is the z axis, grasp poses will consider a one dimensional change in orientation in the z-direction (resulting in a 3+1 DOF grasp pose)
This package was tested using an input depth image from the Intel Realsense D415 RGB-D camera. Certain variations may occur if a different camera is used
This package assumes that the object is placed on a relatively flat surface. As this package requires the use of the depth image from the camera above the work surface, we assume that the distance from the work surface to the camera is constant.
This package currently supports a 2 Finger gripper and a single suction cup gripper. Further development will include multiple finger gripper and suction cup array support.
This package consists of a subscriber that subscribes to the following topic with the message structure shown
Topic Name : /perception_output
Message Name: RectOutput.msg
| Message name | Field Type | Explanation |
|---|---|---|
| header | std_msgs/Header | General information from the camera |
| objects | DlObject[] | Information about the object (refer below to the DlOBject message type. |
| frame_width | uint32 | Width of the depth image |
| frame_height | uint32 | Height of the depth image |
| num_objects | uint32 | Number of objects in scene |
| depth_image | sensor_msgs/Image | Depth image of the work area |
| camera_info | sensor_msgs/CameraInfo | Camera-specific information |
| roi_array | sensor_msgs/RegionOfInterest[] | Array of bounding boxes containing the objects |
Message Name: DlObject.msg
| Message name | Field Type | Explanation |
|---|---|---|
| name | string | Name of object |
| pos | geometry_msgs/PoseStamped | Pose of object |
| roi | sensor_msgs/RegionOfInterest | Bounding Box for the object |
| breadth | float64 | Real object breadth |
| length | float64 | Real object breadth |
| height | float64 | Real object height |
This package consists of a publisher that publishes to the following topic with the message structure shown
Topic Name : /grasp_poses
| Message name | Field Type | Explanation |
|---|---|---|
| num_objects | uint32 | Number of grasp objects in the scene |
| grasp_poses | geometry_msgs/PoseStamped[] | Array of grasp object poses |
| object_poses | geometry_msgs/PoseStamped[] | Array of grasp poses |
| object_shapes | shape_msgs/SolidPrimitive[] | Array of object shapes (Used to create collision objects for path planning) |
In order for the grasp planner to plan the right type of grasp, we need to first create a configuration file in the config folder , attributes.yaml
. It is advised to write over the current attributes.yaml
file to prevent any YAML parsing errors
Number of fingers for the end effector. currently only 2 fingered grippers are supported
The distance between the fingers of the end effector(in mm). Using the Robotiq 2F-85 gripper as an example:
The longest dimensions of a finger (in mm). Using the robotiq 2F-85 gripper:
The distance between the camera used to capture the workspace and the surface on which the object is on.
The number of cups in the length dimension. Currently only support value of 1
The number of cups in the breadth dimension. Currently only support value of 1
The radius one of the suction cup.
The distance between the camera used to capture the workspace and the surface on which the object is on.
This package uses information from the depth image captured by the camera to generate grasp samples, and the quality of the grasps will be determined by a Grasp Decide Index (GDI).
This concept was demonstrated in this paper, with changes in the method of sampling potential points, due to the abstraction of the perception component of the system to a separate perception package. There is also an additonal support for single suction cup grippers.
Given that a two finger gripper and a single suction cup gripper are considered to be the "base cases" for a finger gripper and a suction cup array, this provides opportunities for expansion to more complicated grippers beyond the scope of the paper.


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