Junior Developer
Hey, I'm Ryan! I'm a recent graduate of SBCS where I completed my BSc in Computing and Information Systems
with the University of Greenwich.
I'm a novice full-stack web developer, with most of my experience being university projects and online learning, outside of a recent
commission to develop
a social media-like blogging site called Sincerely, Me.
I'm always eager to learn and develop my skills however I can, with some of my more recent endeavors in learning being
brushing up on my JavaScript to try frameworks like React and Node!
PHP |
C#/Unity |
JavaScript |
HTML |
SQL |
Firebase |
CSS |
Git |
I am capable, hardworking, resourceful and creative with most of these traits being reflected in the code I write and use.
I do not scare easy and tend to take on very ambitious projects, with my final project at the degree level being
testament to that.
Out of my entire year, I was the only one brave enough to step outside the box and try something new!
I work well in groups or teams and I always try to be friendly, approachable and accommodating.
I help others with their coding problems
and even teach others based on what I know.
I am also very interested in learning and trying new things! My current endeavor is to learn JavaScript properly
so I may try frameworks like React.js, Vue.js and Node.js
This project was done based around my father's business. He works as an industrial electrician and for my final project
at the degree level, I decided to try automating his business process. For this I had to do a series of interviews with
both my mother and father to get an idea of the business process and model it as a website.
In terms of languages; PHP, SQL (mysqli) and JavaScript were used alongside HTML and CSS through Bootstrap and Regular Expressions (for validation) were used to create this site.
Some of the functionality of this site includes:
These are some screenshots of the system's more advanced areas:
The bookings functionality stretched across the users and the admin. The first two images are customer-side for the bookings creation and viewing. The last is the admin dashboard for managing bookings with focus put into; managing repairs, closing bookings, generating invoices etc.
The quotations functionality, similar to the bookings functionality stretched across both roles. From left to right, the first screenshot is a customer-side form that allows a user to request a quote with the second screen being a view of all answered and unanswered quotations. The third and fourth screens are admin-side that are focused on viewing the details and images of a quotation and responding to the quotation.
These two screenshots display the reporting functionality for the system, with the first screen being a simple report that shows the amount of bookings made within a certain period. Whereas the other screen is a sales report that shows a breakdown of the sales for an entered period.
These two screenshots are a bit of extra functionality that was added into the system. From left to right, the first screen is
a listing of all the repairs made to a person's tool and the second screen is a simple checkout screen.
This checkout is only a mock-up done for the project, like all fields used for this system validation exists
but this checkout is not functional.
This application was an assignment done at the degree level, the focus of the application was the creation of a
volunteer-type application with the premise of getting others involved with volunteering activities. This application was
built partially in Android as its own project and built complete in Apache Cordova, both using Regular Expressions for their validation.
The assignment required us to build
the application twice effectively, once in Android to a limited extent and once in Apache Cordova as a full app, with SQLite used
as the database. Apache Cordova uses JavaScript (or JQuery if using Bootstrap) with a series of plugins to create a
mobile app without touching any Java code!
Some of the functionality included in this app are:
The Android version of the app is very simple, with the only functionality completed with this version of the app being the "Adding a Volunteer Activity" functionality.
The screenshots above are the extent of the Android side of the app, admittedly it isn't much. But I have tried supplementing this with online learning through sites such as Udacity.
The above screenshots more or less encompass the primary functionality of the application. From left to right, starting
at the top, the app start screen opens up the main menu from which a user can do any of the activity related tasks.
A user can create a new activity, view the details of said activity and even search for an activity by the activity name.
All of this storage functionality is implemented using SQLite, a lightweight, single table, SQL-based database that is stored
on the user's device. The database itself is very limited, but can perform a basic CRUD very efficiently, the storage volume
is low, but for a mobile device that much is expected.
The reporting for the app is more of a self-reporting on what was done during the volunteering activity. The entire application was really a sort of self-management app when it comes to volunteering, almost like a journal. But, from left to right, you can see the activity selection screen, the management screen where you can add or view a report, the report addition screen and the view report screen.
This site was an assignment done at the degree level, the premise of the site was to be a website dedicated
to finding people to hire as "sitters", for instance a petsitter, babysitter or housesitter.
The site itself was developed using PHP, SQL (mysqli), JavaScript, CSS, HTML, Bootstrap, Regular Expressions (for validation) and featured some more advanced usage of PHP
and web development; pagination, captcha, cookies, automated emails and filtered searches. The developed site was also
developed to pass W3C standards using HTML5 elements. Some of the functionality
developed for this application includes:
The account creation for this application is similar to other modern sites. The assignment required us to develop
this registration to allow for a Captcha (an open-source PHP captcha generation script called Securimage was used for this)
, an automated email system that was implemented using PHPMailer (another class that was implemented into the system)to generate
the verification email.
Within the verification email the generated verification code would be provided and the user could
enter it to verify their account. This will give the user "consumer" status in the system, but they can apply for "sitter" status
through another form.
Sitters have their own registration that's only available after the member registration, this was a stipulation of the
assignment brief. But from left to right, you can see the sitter registration form, the sitter dashboard, the sitter posting form available on the Sitter dashboard
and the listing of all a sitter's posts with edit and delete functions.
The sitter dashboard is incomplete, but this was due
to time constraints on the assignment. The dashboard was a bit of "Scope Creep" as the assignment did not ask for it, but
it was still done to add some order to the sitter-side of the application.
Through the UrbanSitter site it is possible for a user, either registered or unregistered to search for sitters.
From left to right, you can see the sitter search screen, the results of searching for "Plantsitting" in "SF" and the full post details.
The full post details are only available if you are registered and logged into the site however.
The final screenshot is an image of the Login screen with the cookie use checkbox, if this is ticked the user's username and password
would auto-fill the fields upon their next login. Cookies are also used for the sitter search screen, whereby the entered search criteria
is stored in a cookie and repopulates the fields on the user's next visit to the search page.
This project was done as part of a group development assignment. The focus of this site was to create an
information sharing site specific to a fictional institution called eTutor. The site was to be made in similar fashion
to applications such as Moodle or Canvas, for lecturers to connect to students, share information and for students to network.
While not on the same level as the previously stated applications, this eTutor application satisfied the needs of the assignment
very well. The site itself was built using PHP, SQL (mysqli), Bootstrap, JavaScript and Regular Expressions (for validation). In terms of
functionality:
Due to the sheer amount of functionality that was built on this site, only the main areas will be displayed.
Above are the dashboards created for the application, from left to right you can see the administrator dashboard,
the student dashboard and the tutor dashboard (separated as two photos).
Each dashboard is unique and has their own
purpose. The student dashboard only exists to provide a student information on their tutor's activity,
the tutor dashboard has some searching/sorting facilites for students and a listing of all the interactions
a tutor has with their students, and lastly the admin dashboard is simply an overview of all students with functionality
to view statistics on some users and even view their dashboard from the admin side. An example of the admin's statistics is shown below:
These graphs were implemented using Google Charts and simply provide graphical information on students or tutors based on their messaging frequency and uploads made.
There was significant amounts of work put into the document management of the site. From left to right, you can see: the upload
screen that is used by both students and tutors to upload their content, the document upload area where you can see all personal uploads,
the document commenting screen where you can see all comments made on the document and add your own, the screens where students can see their
tutor's uploads and lastly a student selection screen for tutors to select a student and view their uploads.
Student allocation, both for singular and multiple students to a tutor was an important part of the system.
The same could be said for the re-allocation of students to tutors. For both of these functions, the student
would receive an automated email informing them that they were wither allocated or reallocated to a tutor.
Similar to the previous project, PHPMailer was used to achieve this functionality.
From left to right, you can see the student allocation screen, the student reallocation screen and the student deletion
screen that is used to outright remove a student from a tutor.
The reports made for the app are a very long as they contain an array of information, this allocation report
was included just to give an idea of what the reports were like. Google Charts was used to create these interactive charts
to visualize the data that was pulled from the database. This report simply gives a at-a-glance look at the
amount of students who have and have not been allocated to tutors, with the option to view the allocated or unallocated
students.
To summarize some of the other bits of functionality:
This Augmented Reality Tour Guide, (ARTG for short) was done as my final year project during my degree. The premise of the project was to create a mobile application that would aid in helping others learn about Trinidad and Tobago's history by using Augmented Reality to make learning more exciting. More than that, this project was to be a gambit in trying to diversify Trinidad and Tobago's tourism to adopt a concept known as Urban Tourism which promotes tourism of urban environments, old historical structures and so on to improve off-season tourism experiences.
This project was a pure solo project. Start to finish I handled the research, planning, design, development, testing and documentation. This degree and the previous diploma ensured that the students were trained as full-stack developers, capable of doing everything for a project from start to finish.
During this project I did the preliminary research ranging from using research papers to validate the project idea, doing literature reviews and so on to gain an idea of what the project may encompass and the technology required. Subsequent to this, the project was developed following a hybridized development methodology using Scrum, Evolutionary Prototyping, DSDM and JAD Sessions.
The lecturers encouraged us to use hybrid methodologies that suited the project over simply using a single one, as it may not be sufficient. During the project I did the designs, front-end, back-end, database, testing, user-testing, JAD Sessions and the documentation.
With developing the system, I decided to go with some more modern technologies as compared to the suggested technologies that came up during my research. Around the time I was building this application, I found that various Augmented Reality companies were creating plugins that could be used in different development applications. One of those companies was Wikitude and the application was Unity.
Unity was a perfect choice for development with its stable environment, plethora of online support, ease-of-use and cross-platform development, making it possible for the application to be made for iOS or Android. This application was made using Android, forcing the use of Gradle for building the application onto the phone.
During development I decided to use MySQL for the database, but I was encouraged by my lecturers to use Firebase since I wasn't storing much data. So my technology stack became:
This project was made with the specific intention of trying to create a project that addresses a problem in Trinidad and Tobago's tourism, where little is done to promote off-season tourism that isn't based in Carnival, Summer or Christmas
There exists a market of people who prefer to travel in off-seasons due to cheaper rates and accomodation, but the lack of facilities to appeal to this group make it difficult for some to enjoy their time during their travels. This application sought to diversity tourism to appeal to the concept of Urban Tourism to encourage tourism of historical sites and location
To put them back on the map and potentially add value to them and the importance of their conservation as key pieces of Trinidad and Tobago's history. The outcome of this project was simply to create a mobile application that used augmented reality to make Urban Tourism viable and to try and add flair to a typically boring point of conversation such as history.
The premise was simply to use AR to show images, videos and general augmented media of various historical locations as they looked in the past and compare them to what is seen today. Including small, bite-sized descriptions of the historical location to cover the major aspects of that location's history. There was the attempt to use some gamification through XP points every time you visit a new location and such to encourage exploration but this did not happen due to time restrictions on the project.
These are some of the rough UI designs for the application:
Some of the coolest features of the application included the different forms of AR employed by the application. The ARTour guide makes use of Object, Marker and Location-based AR. The Object and Marker AR was implemented through the Wikitude SDK made use of though Unity.
The location based AR on the other hand was done from scratch in a sort of haphazard way. This was due to the Wikitude SDK not supporting LBAR (Location-Based AR) at the time of development, it was only after development did support release for that functionality. Some examples of the different forms of AR are below:
Though not seen, the Marker-Based AR works through superimposing a digital object onto a physical marker. When that digital object (in this case the image of the parthenon) is clicked the app opens up that "canvas" where a description of the location can be provided alongside supporting information.
Similar to the Marker-Based AR, Object-Based AR works through superimposing a digital object onto a physical object. When that digital object (in this case the image of the compass) is clicked the app opens up that "canvas" where a description of the location can be provided alongside supporting information.
This form of AR works through superimposing a digital object onto the user's screen when they're at specific co-ordinates (latitude and longitude). Unfortunately, at the time of development this feature was not supported well by the Wikitude SDK used to enable all the AR functionality. So a workaround had to be made using Unity's location classes to make a tappable image appear on screen when a user is in a specific location.
The functionality is similar to the other forms of AR beyond that. Unfortunately, due to time and resource restrictions mixed media in the form of using videos and so on for the Augmented content could not be done and images had to suffice.
Other functionality of the system include authentication though Firebase, Visit History and a commenting feature per location.
This registration was done using Firebase that was accessed using a REST API, by sending push and get requests. This registration contained stringent validation to ensure that garbage data did not enter Firebase, as Firebase is really a collection of JSON strings in a key-value pair. It does not have the same stringent limitations as a traditional Relational Database. This registration contained Regular Expressions and other methods used to ensure that the validation was strong and checked for: presence, range and format, similar to the validation done for the previous projects.
The login functionality of the application was done using Firebase's authentication. This login was not coded out manually
like all the other login screens of the previous applications I have built. This login simply takes in the email and password
of a user and sends it to Firebase's authentication server through the web, the server's response will determine if the user
is logged in or not. Successful login provides a token and the ID of the user stored in Firebase, while unsuccessful login
returns nothing.
As part of successfully logging into the system, the app also checks the user's current GPS position. Augmented reality content for a specific location is curated beforehand and
uploaded to a web server, if the user is in that specific location, as part of the login functionality the app will connect
to the web server and download that set of curated content and load it into the app. This content is destroyed on app close.
The second and third screenshots display this functionality.
This way a user can view a large amount of AR content without bloating their devices with unnecessary files.
This system also contained some commenting ability that is available on the canvas screen. From the screenshots above, the system allows a user to create a comment for a specific AR object, the system is not perfect and does have some problems with its scrolling but it is functional. All comments made are stored and pulled from Firebase, and are ordered according to Firebase's built in ascending sort done on the date and time of the comments.
There were a lot of hurdles during development. Some of them stemming from my inexperience with C# and Unity, since I had never used the technologies before. But most of the hurdles laid with Firebase and trying to both post and receive data to/from the server.
Particularly for loading comments for a AR feature, it was difficult to get the data and display it without encountering UI issues and in some cases not being able to load any comments in some cases. There was also the difficulty of emulating the LBAR for the application. My solutions for these problems were very "novel" or unorthodox really.
I learned a lot when it came to doing this project. Previous to this application the primary experience I had with development was with some minor mobile application and web development using older technologies like PHP. Some of the best things I learned were:
This project was one of the first jobs I did outside of my degree, and it really took a while to build! This site was made as a blogging site for a therapist who wanted a safe space for her clients to open up and talk about their feelings, problems etc. so they could find support in one another. The functionality of this app was very intense, what started as a blog turned into a small social media app! Below is a copy of the product backlog used for the project:
This project was another solo project, it being the very first project I worked on for a client there was a lot of expectations both for myself and from my client. Start to finish, I worked on the entire project.
From the meetings with the product owner to conceptualize the project, planning, designs, development, testing in terms of both user and system testing and finally deployment/seo optimization. I worked on every area of the project really, though rarely ever from scratch, I would use templates, guides and other bits of information to help along with the system's development.
In terms of the technologies used, I went with what I knew best since it was my first job, I wanted to deliver software using tools I was comfortable with to maximize my chances of delivering quality code and a quality product. So I used the following:
This application was made as part of a commission by a therapist as I said earlier, at first I was just excited to have a job! Around the time I made this application, I didn't yet receive my transcripts and such from my university so any work was acceptable for me.
As time went by though, this project slowly became more and more important to me as I learned how necessary such an application is during a pandemic. There are many people struggling with anxiety and bouts of depression facing this pandemic, and this simple application may have helped people to alleviate some of that stress. I personally know people who struggle with these feelings, myself included so the simple "first job" quickly became sort of a passion project.
Mental health is often ignored and stigmatized in the Caribbean ecosystem, many people are ashamed to get help but this simple app that allowed people to simply write out their feelings and have a therapist or others afflicted with the same issues read them and lend support during trying, difficult times.
The expected outcome of the project was really to create a web application that satisfies the needs of the product owner, but as time went by the outcome changed to trying to make a strongly made application that could be used to support people emotionally. As much as I am somewhat inexperienced with development in the real world, my expectation for this project pushed the simple outcome of "satisfying the client" to trying to build a solid, functional blogging application with social media-like functions that could truly help someone to find support.
The initial designs for the application were very minimal, for this application I decided to use scrum as the methodology of choice. A strange choice, given that scrum is usually used in teams but I changed it slightly so I could make use of the methodology's innate flexibility and responsiveness to change.
The latter being the major reason why it was chosen. But using scrum, designs were minimal with simple designs such as a : Use Case Diagram, ERD and Relational Schema being the only things made. Every other piece of design, from the UI's and placements came through feedback from the product owner and my own know-how with building web applications. The use of a simple Bootstrap template that was easily editable definitely helped a whole lot with this!
These are some of the rough preliminary designs for the application:
Other bits of preliminary planning for this application included measuring if site builders like Wordpress, Joomla, Drupal etc. would be better. But the product owner was very specific in what they wanted, and I didn't have much experience with site builders so building the app effectively from scratch was the best I could do. I did some research here and there however, looking up how sites like Penzu and Medium did their blogging and tried to match their functionality and UI as best I could without plagiarizing their look and feel.
There are some areas of the system that I am very proud about when it comes to functionality. The homepage for instance is a feed of data collected from the database and echoed through a while loop in a neatly organized, formatted way.
This also allows for pagination, which was built using some code that a lecturer had given me to use back during my time in university. Each item on the home page is dynamic, it is a small "card" that shows an image if the user attached an image to their post (or none at all if no images were attached) as well as the title of the post, the user who posted it, date/time and a read-more button. All of this is made using bootstrap so it is very much mobile accessible.
Another area deserving of praise is the blogpost creation. When a user creates a blogpost, the post itself is divided into several pieces; title, body, postdate, user, tags and images. This information is distributed and stored into different tables where applicable, so tags and images are stored in their own tables while the rest is stored in a blog table. More than that, the product owned specifically asked that she have the ability to personally verify blogposts before making them public on the home page.
So a table had to be made in the database to keep track of the verification status of a blogpost. A post could exist in three states: unverified, verified, rejected and the table kept track of this alongside other relevant data. So, when a post was made by default the post would have an unverified status before the admin -being the therapist- verified or rejected it personally via the admin dashboard.
Rejections would often be made with a reason that would be communicated to a user via a notification and a notice on their post from their profile. Verifications on the other hand would be done and the user notified through their notifications.
Some more features of the application that are noteworthy include the user profile which keeps a log of all of a user's information and the posts made. This page is heavy role-based, so the authenticated user can see all of their posts, including the rejected ones, but other users can only see the verified posts.
The last screenshot is a screenshot of how another profile is viewed. This page also allows a user to edit their posts, in which case the post will be resubmitted for verification as well as edit their personal information.
The final bit of functionality that may be of import is the cascading deletion of a person's account. This delete functionality cascades from the child tables all the way to the parent User table, deleting everything from a person's messages, blogpost comments, blogposts and all the parts that make up a post, any reports made against the user and finally the user itself.
This delete takes place over roughly 8-9 tables and at the end of the delete, once everything has been cleanly deleted then the user is redirected to the login screen.
There were many hurdles in the way during development, most were minor UI issues but some of the more notable hurdles included:
The system has been developed and is functional, but to my knowledge the product owner has not officially launched the site with her clients. The product owner mentioned promoting the site through their weekly video-talk show but that is the extent of my knowledge on the system's state.
With developing this application I learnt many lessons, but to keep them short I'll try to summarize:


U.K. police say a number of people injured in London Bridge stabbing incident
'A man has been detained by police. We believe a number of people have been injured'
by ReutersLONDON — British police said they had been called to a stabbing incident near London Bridge on Friday in which a number of people had been injured and a suspect detained.
“Police were called at 1:58 pm to a stabbing at premises near to London Bridge,” they said on Twitter.
“A man has been detained by police. We believe a number of people have been injured.”
London’s ambulance service said it had declared it a major incident and they had sent several crews to the scene.
The bridge was locked down and armed police evacuated the area. Gun shots were also reported.
The Metropolitan Police said they’d detained a man at a premises near to London Bridge. Armed officers closed off the famous landmark and evacuated passers-by from the surrounding area.
News outlet Sky reported five casualties in the incident, citing police sources.
The Met said they’re dealing with the incident in the area of the bridge, according to a separate post.
A BBC journalist reported that a number of gun shots had been heard. Several men were seen restraining another, according to the BBC reporter.
The London Ambulance Service said it’s responding to the incident and has crews attending the scene, according to a post on its Twitter feed. Separately, Transport for London said it closed the bridge in both directions.
The U.K. is set to hold a general election on Dec. 12. The election campaign in 2017 was interrupted by terrorist attacks — including one on London Bridge.


I am a User Experience Designer with over 5 years of experience working for small and large companies, angencies, and start-ups.
I enjoy making prototypes with these technologies:
Contact me here.


One of the primary complaints about the
Closure Library is
about how verbose it is, so one way to address this problem is
to generate Closure-Library-style code using a more minimalistic
syntax (i.e. CoffeeScript). This makes it possible to leverage the
Advanced mode of the Closure Compiler (and the existing functions in the
Closure Library) while writing much less code.
This demo is powered by a
fork of the CoffeeScript codebase that adds a --google
option to
the coffee
executable to generate the Closure-style JavaScript.


DeveloperTeamMember's blog!
Hello there, I'm DeveloperTeamMember and it's a plesure for me to see you here! In this blog I will talk about music, gaming and code! In a future update I will also make a comment area!
Update: 2020-04-05
Stay tuned!
COVID-19 COMMUNICATE
Stay at home to protect yourself and protect the others. #STAYSAFE
Updates list
Creation 2020-04-04 - Added basic configuration, profile, links and first poss/description.
First update 2020-04-05 - Added forum feature and released COVID-19 communicate.
Update 2020-04-07 - Bug fixes.
Update 2020-04-07 - Content update.
Update 2020-04-07 - Added a new list of updates.
Update 2020-04-07 - Bug fixes related to the new list.
Update 2020-04-07 - Bug fixes.
Update 2020-04-07 - Bug fixes.
Update 2020-04-16 - Added a new picture.


Social
Standards.
unclassified.
Stay for the food
Some of the following traditional foods are still eaten every day; others crop up mainly at special occasions such as the midwinter Porramatur feasts, though restaurants may serve them year round.
Just about every settlement in Iceland has a restaurant of some sort. In Reykjavík, and to a lesser extent Akureyri and the larger towns, you can get everything from traditional Icelandic fare to Mexican, Thai, Chinese, and Italian- and French-inspired dishes, and there are even a couple of vegetarian places. This is the most expensive way to dine—expect to pay upwards of 2500kr for a main dish—though keep your eyes peeled for lunchtime specials offered, or inexpensive fixed-price meals of soup, bread and stew. All-you-can-eat smorgasbords or buffets also crop up, especially around Christmas, when restaurants seem to compete with each other over the calorie contents of their spreads of cold meats and cakes.
In the country, pickings are far slimmer. Some hotel restaurants have fine food, though it’s more often filling than particularly memorable; prices can be as high as in any restaurant, but are generally lower. Otherwise, the only place offering cooked food might be the nearest fuel station roadhouse, which will whip up fast fodder such as pylsur (hot dogs), burgers, grills, sandwiches and pizzas – virtually Iceland’s national dish – for a few hundred krónur.
Found all over the country, bars, besides being somewhere to have a drink, also usually sell meals and are frequently decorated along particular themes – decked out 1950s-style, for example, or hung with fishing memorabilia. Cafés are increasingly common in even small villages, offering light meals, coffee and Icelandic cakes.


Test images are available for most formats supported by the library.
Most of the images included in the test kit are also part of this
documentation (albeit in TIFF rather than GIF or JFIF).
The images are kept in a separate archive that should be located in
the same directory as this software.
The latest archive of test images is located at ftp://ftp.remotesensing.org/pub/libtiff/pics-3.8.0.tar.gz
There are two other good sources for TIFF test images: the contributed software contrib/dbs includes several programs that generate test images suitable for debugging, and the tiffcp program can be used to generate a variety of images with different storage characteristics.


Draya Michele Shows Off Her Curves In A Glittery Privacy Please Dress For The Revolve Awards
November 16, 2019
Draya Michele Shows Off Her Curves In A Glittery Privacy Please Dress For The Revolve Awards
Draya Michele recently showed off her award show look on Friday, November 15.
The Basketball Wives alum posted a photo of herself on her Instagram page. In the photo, Draya is shown sitting on a white couch as she stares intensely at the camera. Her long, glittery dress from Privacy Please is on full display as Draya’s legs are showing in the photo. The gown is strapped around her neck, revealing her cleavage in the photo. Draya’s dress also fits tightly on her, revealing the actress’ curves.
Draya decided to add silver, open-toed shoes to the look. In the photo, the sandals have a strap on them and reveal her feet in the photo. Draya’s hair is styled in a messy bun, with two strands flowing on both sides of her face. Her makeup is also in full glam, as her team added foundation, smoky eyeshadow, eyeliner matte lipstick and blush. According to Draya’s caption, the photo was taken at the Mondrian Los Angeles hotel. Draya gushed about the sightings the hotel has, and how she looks forward to coming back there in the summer.
At the time of writing, the photo of Draya received more than 50,000 likes. The photo also received more than 300 comments under Draya’s post.
“Love those long pretty toes,” one follower shared, followed by a heart-eye emoji.
“I promise you CAN’T do anything wrong..” another fan shared.
In another photo, Draya gave her 7.6 million followers a better view of her dress. The actress posted a photo of herself presenting the Artist of the Year award at the ceremony. Her fans can see how the dress accentuates her body as she is captured smiling to the award show’s audience. Her clear, triangular earrings are also visible in the post.
At the time of writing, the photo of Draya received more than 11,000 likes. The post also received more than 100 comments from Draya’s fans.
“Beautiful dress Draya, one follower shared.
“So pretty at the highest level ur the truth priceless,” another follower chimed in.
Loading...
In her post, Draya revealed that she was both a presenter and a nominee for the Revolve Awards. The former reality star was nominated for Entrepreneur of the Year. The influencer and friend of Kylie Jenner began her clothing line, Mint Swim, in 2011. More recently, Draya teamed up with Revolve for a clothing collaboration, which she titled, Superdown.
The honor of Entrepreneur of the Year ultimately went to Shay Mitchell, according to Revolve’s Instagram Stories. Each category was decided on through the votes of fans.


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This website is created for the purpose of Software Engineering I Project at UMASS LOWELL in FALL 2020. The project contributers are Ryan Allen, Joseph Calles, Likhitha Eda, Tammy Liu, Nicolas Park. Please feel free to check out the website.


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The BitBoxBridge is a background application made by Shift Cryptosecurity. It is required to use web wallets such as MyEtherWallet with the BitBox02.


About the Authors
Frederick Cheung is Chief Wizard at Texperts where he has been using Rails since 2006. He is based in Cambridge (UK) and when not consuming fine ales he blogs at spacevatican.org.
Mike Gunderloy is an independent consultant who brings 25 years of experience in a variety of languages to bear on his current work with Rails. His near-daily links and other blogging can be found at A Fresh Cup.
Emilio Tagua — a.k.a. miloops — is an Argentinian entrepreneur, developer, open source contributor and Rails evangelist. Cofounder of Eventioz. He has been using Rails since 2006 and contributing since early 2008. Can be found at gmail, twitter, freenode, everywhere as miloops.
Heiko Webers is the founder of bauland42, a German web application security consulting and development company focused on Ruby on Rails. He blogs at http://www.rorsecurity.info. After 10 years of desktop application development, Heiko has rarely looked back.
Tore Darell is an independent developer based in Menton, France who specialises in cruft-free web applications using Ruby, Rails and unobtrusive JavaScript. His home on the internet is his blog Sneaky Abstractions.
Jeff Dean is a software engineer with Pivotal Labs.
Cássio Marques is a Brazilian software developer working with different programming languages such as Ruby, JavaScript, C++ and Java, as an independent consultant. He blogs at http://cassiomarques.wordpress.com, which is mainly written in portuguese, but will soon get a new section for posts with english translation.
Pratik Naik is an independent Ruby on Rails consultant and also a member of the Rails core team. He blogs semi-regularly at has_many :bugs, :through => :rails and has an active twitter account .


patch_addContext
diff_match_patch
patch_addPadding
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patch_apply
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patch_fromText
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Routes


occurrenceChange.Rd
Using the data returned from occDetModel this function models a linear trend between two years for each iteration of the models. The predicted values for the two years are then used to calculates a percentage change. The results is a percentage change estimate for each of the interations of the model. This distribution of the results is used to calculate the mean estimate and the 95
occurrenceChange(firstYear, lastYear, bayesOut, change = "growthrate", region = NULL)
| firstYear | numeric, the first year over which the change is to be estimated |
|---|---|
| lastYear | numeric, the last year over which the change is to be estimated |
| bayesOut | occDet object as returned from occDetModel |
| change | A character string that specifies the type of change to be calculated, the default is annual growth rate. See details for options. |
| region | A character string specifying the region name if change is to be determined regional estimates of occupancy. Region names must match those in the model output. |
A list giving the mean, median, credible intervals and raw data from the estimations.
change
is used to specify which change measure to be calculated.
There are four options to choose from: difference, percentdif, growthrate and
lineargrowth.
difference
calculates the simple difference between the first and last year.
percentdif
calculates the percentage difference between the first and last year.
growthrate
calculates the annual growth rate across years.
lineargrowth
calculates the linear growth rate from a linear model.
# NOT RUN { #' # Create data n <- 15000 #size of dataset nyr <- 20 # number of years in data nSamples <- 100 # set number of dates nSites <- 50 # set number of sites # Create somes dates first <- as.Date(strptime("1980/01/01", "%Y/%m/%d")) last <- as.Date(strptime(paste(1980+(nyr-1),"/12/31", sep=''), "%Y/%m/%d")) dt <- last-first rDates <- first + (runif(nSamples)*dt) # taxa are set as random letters taxa <- sample(letters, size = n, TRUE) # three sites are visited randomly site <- sample(paste('A', 1:nSites, sep=''), size = n, TRUE) # the date of visit is selected at random from those created earlier survey <- sample(rDates, size = n, TRUE) # run the model with these data for one species results <- occDetModel(taxa = taxa, site = site, survey = survey, species_list = c('a','m','g'), write_results = FALSE, n_iterations = 1000, burnin = 10, thinning = 2) # estimate the change for one species change <- occurrenceChange(firstYear = 1990, lastYear = 1999, bayesOut = results$a) # }


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An open structure and toolkit for organizing large-scale, sample-intensive biological research projects.
PEP, or Portable Encapsulated Projects, is a community effort to make sample metadata reusable. PEPs decouple metadata from analysis by providing:
A PEP is written using a familiar yaml + csv format that can be read by our R and Python packages, as well as by workflow frameworks. PEP is your metadata solution for sample-intensive research projects.
- a standardized metadata structure;
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- programatic metadata modifiers.
Start by writing your metadata in PEP format, and immediately benefit from metadata organization tools written in R and Python.
Handle input sample metadata formatting, parsing, and validation with our R or Python APIs, making your tool able to process PEP-compliant projects.


SecondString Project PageThis is the project page for SecondString, an open-source Java-based package of approximate string-matching techniques. This code was developed by researchers at Carnegie Mellon University from the Center for Automated Learning and Discovery, the Department of Statistics, and the Center for Computer and Communications Security. |
SecondString is intended primarily for researchers in information integration and other scientists. It does or will include a range of string-matching methods from a variety of communities, including statistics, artificial intelligence, information retrieval, and databases. It also includes tools for systematically evaluating performance on test data. It is not designed for use on very large data sets.
You can also check out a full copy of the Java source with the CVS
commands:
% cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/secondstring login
% cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/secondstring checkout secondstring
Thanks also to SourceForge for hosting this!


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Your mind is always buzzing with unexploded ideas and plans.
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In a earlier post, Pedro Alves talked about embedding CTools dashboards in two different ways: using “div” and “iframe” integration.
Now that we have RequireJS, there are better ways to integrate dashboards in other application.
As you should now there are two kinds of custom dashboards in Pentaho:
- CDF dashboards,
- CDE dashboards;
To be able to embed the dashboards you first need to create them, so let’s suppose you already have some dashboards you want to be part of your website/webapp. The dashboards, build with RequireJS can also be embedded via RequireJS, so let’s cover how.
Embedding CDF dashboards
If you have some requirements were you need to have a complete control of your html and code being executed, then for sure you want to build a CDF dashboard. You can write the code of your dashboard in the page were you are embedding it. To do it, there is one mandatory script you need to include, that’s the script with the code that will allows us to call the CDF dashboard. For that you need to make the requests to your Pentaho Server, so that the server can return the script. You just need the following script tag:

Per instance, if your server is in the same machine,localhost, and running in port 8080:

This will give your acess to the CDF framework.
You jut need to build your dashboard code inside an HTML page or just include the code that’s on another file and that way you will be able to reuse it.
An HTML page where you are embeding your dashboard can llok like:

<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>mySample</title>

As you can see on the code above, we start by addind a script tag to include the CDF framework in our webpage, and latter we are able to use the framework to build a CDF dashboard that is embedded in the webpage/webapp.
Embedding CDE dashboards
If you are the king of developer that wants to save some time, than you can build your dashboard using CDE, than it’s also possible to embed it.
To embed a CDE dashboard, you really must have the dashboard already built and you just need to require it on your webpage/webapp. To do it you also need to include a script tag to call for the dashboard. Here you won’t need to include the CDF framework, but you will need to require the CDE framework, that will automatically include CDF.
The way to call it is like following:

Per instance, if your server is in “localhost”, and running in port “8080”:

Once you did it you are able to require for your dashboard, by directly calling the getDashboard available in CDE or by making use of the “dash” RequireJS plugin.
require(['/pentaho/plugin/pentaho-cdf-dd/api/renderer/getDashboard?path=/public/dash /sample.wcdf'],
function(SampleDash) {
var sampleDash = new SampleDash("content1");
sampleDash.render();
}
);
Or:
require(['dash!/public/dash /sample.wcdf'],
function(SampleDash) {
var sampleDash = new SampleDash("content1");
sampleDash.render();
}
);
Here you can render your dashboard in your webpage/webapp by calling the render() method of your dashboard, but another option is to use setupDOM() followed by renderDashboard(). The great advantage of using the setupDOM() first you will get the DOM in your page and you will be able to manipulate it before starting the lifecycle of the dashboard.
Note: please keep in mind that the scripts tags that were used as example also can be called using RequireJS. but for that you need to include RequireJS in your page.
Avoid Cross Site Domain Request
When embedding dashboards from a different server we might get some denial, because the server won’t allow Cross Domain Requests. There is on one extra setting that we can make use of to avoid it. To be possible to embed the dashboard with this issue, we can set the following property of the settings.xml file of CDF or CDE plugins:
<allow-cross-domain-resources>true</allow-cross-domain-resources>
You are now able to delight your users with amazing analytics, without completely getting out of your website/webapp and without letting the user know what technologies are you using to leverage some of the work.
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Penetration Testing: Re: BIND/DNS Version check
Apr 11, 2003. is any tool out there which can check for version of BIND/DNS running . at http ://www.isc.org/products/BIND/bind-security.html for any results .
http://seclists.org/pen-test/2003/Apr/56
Treatment for Herniated or Bulging Discs
Chapter 5 BIND WIN 2K Install
Jul 11, 2011 . As of BIND 9.3.2 NT 4.0 is no longer supported by ISC BIND releases. . In User Manager select User Rights from Policies menu, check the Show . may be able to exploit known weaknesses version "not currently available"; .
http://www.zytrax.com/books/dns/ch5/win2k.html
BIND 9.4 Administrator Reference Manual, HTML edition | Internet ...
This version of the manual corresponds to BIND version 9.4. . ISC BIND 9 compiles and runs on a large number of Unix-like operating system and on . For more detail on ordering responses, check the rrset-order substatement in the options .
https://www.isc.org/files/arm94_0.html
verify isc bind version Herniated or Bulging Discs
ISC Diary | BIND 9.x security patch - resolves potentially new DNS ...
Jan 7, 2009 . Current Site; isc . The flaw affects all actively developed and supported versions prior to . How can I check my BIND deployments remotely?
https://isc.sans.edu/diary.html?storyid=5641
http://www.isc.org/products/BIND/bind-security.html INTERNET ...
Upgrading to BIND version 8.2.2 patchlevel 7, or higher, is strongly . of service Description Improper argument checking while verifying signatures may cause a .
http://www.rnp.br/_arquivo/cais/alertas/ISC-Bind.txt
The FreeBSD Diary -- What version of bind are you running?
Apr 3, 2000 . Other bind gems 4 April 2000. Dan Harnett wrote in with this information. Thanks for sharing. dig can also be used to determine the version of .
http://www.freebsddiary.org/bind-version.php
Official Impairment Listing for Spinal Disorders
BIND 9.7.3 Options
Option support varies by BIND release, so check the options file .
http://www.ipamworldwide.com/component/content/article/48-dns-isc/98-bind-973-options.html
- home (narrowing of the spine)
How the BIND company makes money - D. J. Bernstein
1997.05.01, Kevin Oberman, on bind-users: ``ISC is having funding problems.'' . and developing BIND, all of whom then got sucked up into doing BIND version 9. . After an advisory was issued, the ISC made efforts to verify the identity of .
http://cr.yp.to/djbdns/blurb/bindmoney.htmlTutorial - DNS Vulnerabilities
ISC BIND 9.x is prone to a vulnerability, which can be exploited by malicious . BIND versions prior to 9.4-ESV-R4, 9.6.2-P3, 9.6-ESV-R3, and 9.7.2-P3 are . Access control bypass due to failure to check view and global allow-query settings.
http://www.saintcorporation.com/cgi-bin/doc.pl?document=vulnerability/DNS_vulnerabilities
RHEL, Centos, Fedora rpm vs ISC bind versions - comp.protocols.dns ...
For each major RHEL release, Redhat starts with some version of ISC bind, and then backports patches into it from more recent versions. This .
http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/73e315a45bdd9c6d
DNSSEC and BIND | Internet Systems Consortium
ISC BIND supports the full DNSSEC standard. . adds resource records and message header bits which can be used to verify that the requested data matches .
http://www.isc.org/software/bind/dnssec
Medical-Vocational Allowance for Herniated Disc
How to configure, Tighten security and Performance enhancing tips ...
Users of ISC BIND version 9 can configure a different nonstandard port per IP . your network support group, or use a sniffer to verify that this is the case. To get .
http://www.aitechsolutions.net/dnsservertips.html
DNS Reference - Oracle Documentation
How to Verify the DNS Configuration · Administering . In addition, a table of some of the flags that are used when the ISC version of BIND was built is included.
http://docs.oracle.com/cd/E23824_01/html/821-1455/dnsref-45.html
Appealing a Denial of Benefits
Finding BIND version
Sep 13, 2003 . hi, nslookup -q=txt -class=CHAOS version.bind. . Clark wrote: > How does one determine the version number of BINd > running on a system?
http://lists.freebsd.org/pipermail/freebsd-questions/2003-September/019028.html
DNS server files and packages for Red Hat Enterprise Linux 5.7
Red Hat Enterprise Linux 5.7 GA distribution includes BIND version 9.7.0. . The following are the RPM packages that correspond to ISC BIND version 9.7.0. . Utility to verify the syntax correctness of zone files: /usr/sbin/named-checkzone .
http://publib.boulder.ibm.com/infocenter/lnxinfo/v3r0m0/topic/liaaz/dnsrhel56.htm


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Temporibus autem quibusdam et aut officiis debitis is aut rerum necessitatibus saepes eveniet ut etes seo lage voluptates repudiandae sint et molestiae non mes for Creating futures through building pres preservation. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod incididunt utonis labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud.
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The lysine contingency it's intended to prevent the spread of the animals is case they ever got off the island.
The lysine contingency it's intended to prevent the spread of the animals is case they ever got off the island.
The lysine contingency it's intended to prevent the spread of the animals is case they ever got off the island.
The lysine contingency it's intended to prevent the spread of the animals is case they ever got off the island.
The lysine contingency it's intended to prevent the spread of the animals is case they ever got off the island.
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wager: 0.1
odds: 150
Shaking the dice...
Dice are lose...
Waiting...
Waiting...
Waiting...
Waiting...
Waiting...
Waiting...
Waiting...
Waiting...
Bet result: loss
record....
wins: 2 losses: 535 pushes: 67 --> -23.5
wager: 0.1
odds: 150
Shaking the dice...
Dice are lose...
Waiting...
Waiting...
Segmentation fault


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As a pretty avid opiate user, I'm always finding myself searching through somebody's medicine cabinet. Friends, family, my girlfriend, anybody is fair game. What can I say, I love prescription pills. I've experimented with cocaine, lsd, marijuana,and everything else, but I always find myself gravitating toward narcotic analgesics.
 I rushed over to my compy and good ol' internet. Now, with any other narcotic pill, I know what I want to read. 'False sense of well-being' is always good. 'Elation', 'Sedation', 'Extreme calm', and 'Euphoria' are classics. But I got none of that info with Tramadol (Ultracet,Ultram). The only thing it said was 'may be habit-forming'. Well, I figured that means something, so I downed 225mg worth.
Here's a somewhat sketchy breakdown:
NOON: Ingested the 6 pills. I ate a good lunch first to avoid stomach upset. Nobody was home, so I just browsed the internet.
1:30 PM: Still didnít feel any effects. I usually start to feel my comfy warm feeling no longer than about 45 min, so I almost gave up.
2:00 PM: Suddenly got the urge to smoke a cigarette, in the same fashion as when I use oxycodone or something similar. At this point I knew something was up.
2:30 PM: At this point it hit me pretty hard. I had all the effects of a narcotic (warm, happy sense, talking a mile a minute with my girl), but didnít quite get that overwhelming, swimming with glee feeling associated with opiates. Overall, however, it was very close.
3:30 PM: Started tp peak at this point. I was quite surprised how well these pills were working. Every aspect of any narcotic pain-killer was there, if only on a slightly lower level.
9:00 PM: Amazingly, the effects were still lingering, and decently strong too. I was having such a nice, easygoing conversation with my girlfriend, something I can usually do when high on opiates.
Overall, the experience was quite good. As a matter of fact there were actually some better things about Tramadol than other analgesics. First of all, it lasts longer.  Speaking of which, I didnít get snippy at any time. I basically fell asleep happy, and had one of the best nights sleep ever. Also, I really felt no stomach upset, which amazes me, because I always do.
Although not quite as intense as a true narcotic, Tramadol is quite a competitor as far as a substitute when needed.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


CIS is a student led organization that acts as a bridge to reflect the needs of international students to university administration. We aim to enhance international student experience, promote cultural diversity and inclusivity in ASU through events and service.
Our flagship event of the Fall semester to highlight and celebrate international students on campus
16 November 2018Helping international students create a pathway for their career and future in a one day conference
9 February 2018Introducing new international Sun Devils what it is like to be an ASU student.
5 January 2018Applications open the first week of every semester


Getting Started
Fuel economy data
Exercise 2.2.1
List five functions that you could use to get more information about the
mpg
dataset.str
,summary
How can you find out what other datasets are included with ggplot2?
data_ggplot <- data(package = "ggplot2") pander(data_ggplot$result[, -c(1:2)], justify = "rl", split.cells = 50, emphasize.verbatim.cols = 1)
Item Title diamonds
Prices of 50,000 round cut diamonds economics
US economic time series economics_long
US economic time series faithfuld
2d density estimate of Old Faithful data luv_colours
‘colors()’ in Luv space midwest
Midwest demographics mpg
Fuel economy data from 1999 and 2008 for 38 popular models of car msleep
An updated and expanded version of the mammals sleep dataset presidential
Terms of 11 presidents from Eisenhower to Obama seals
Vector field of seal movements txhousing
Housing sales in TX Apart from the US, most countries use fuel consumption (fuel consumed over fixed distance) rather than fuel economy (distance travelled with fixed amount of fuel). How could you convert
cty
andhwy
into the European standard of l/100km?litre_per_km <- function(mile_per_gallon) { return(3.78541 / (1.60934 * mile_per_gallon)) } mpg_eu <- mpg %>% mutate(cty = litre_per_km(cty) * 100, hwy = litre_per_km(hwy) * 100)
Which manufacturer has the most the models in this dataset? Which model has the most variations? Does your answer change if you remove the redundant specification of drive train (e.g. “pathfinder 4wd”, “a4 quattro”) from the model name?
dta <- mpg %>% mutate( model_clean = str_extract(model, "(^[a-zA-Z0-9]+)") ) %>% group_by(manufacturer, model_clean, model) %>% summarize(count = n()) dta %>% ggplot(aes(reorder(manufacturer, count), reorder(model, count), label = count, size = count)) + geom_text() + theme(axis.text.x = element_text(angle = 30, hjust = 1), legend.position = "none") + labs(x = "Manufacturer", y = "Model")
dta %>% ggplot(aes(reorder(manufacturer, count), reorder(model_clean, count), label = count, size = count)) + geom_text() + theme(axis.text.x = element_text(angle = 30, hjust = 1), legend.position = "none") + labs(x = "Manufacturer", y = "Model")
Key components
Exercises 2.3.1
How would you describe the relationship between
cty
andhwy
? Do you have any concerns about drawing conclusions from that plot?ggplot(mpg, aes(cty, hwy)) + geom_point(position = "jitter")
Its a linear relationship.
What does
ggplot(mpg, aes(model, manufacturer)) + geom point()
show? Is it useful? How could you modify the data to make it more informative?Not very informative but shows how may models a manufacture have. It is more visible if we use
geom_count
which uses thecount
summary statistics for each combination ofmodel
andmanufacturer
.- Describe the data, aesthetic mappings and layers used for each of the following plots. You’ll need to guess a little because you haven’t seen all the datasets and functions yet, but use your common sense! See if you can predict what the plot will look like before running the code.
ggplot(mpg, aes(cty, hwy)) + geom point()
Data is
mpg
,x
andy
axis are mapped tocty
andhwy
variables and a layer ofpoint
is added.ggplot(diamonds, aes(carat, price)) + geom point()
Data is
diamonds
,x
andy
axis are mapped tocarat
andprice
variables and a layer ofpoint
is added.ggplot(economics, aes(date, unemploy)) + geom line()
Data is
economics
,x
andy
axis are mapped todate
andunemploy
variables and a layer ofline
is added.ggplot(mpg, aes(cty)) + geom histogram()
Data is
mpg
,x
axis are mapped tocty
and a layer ofhistogram
is added which uses the default bins of30
.
Colour, size, shape and other aesthetic attributes
Exercises 2.4.1
- Experiment with the colour, shape and size aesthetics. What happens when you map them to continuous values? What about categorical values? What happens when you use more than one aesthetic in a plot?
- What happens if you map a continuous variable to shape? Why? What happens if you map trans to shape? Why?
How is drive train related to fuel economy? How is drive train related to engine size and class?
mpg %>% group_by(model, class, drv) %>% summarize(count = n()) %>% ggplot(aes(class, model, color = drv, size = count)) + geom_point()
Here, we see that
suv
andpickup
has mostly 4 whell drive while rest are front-wheeled drive.
Facetting
Exercises 2.5.1
What happens if you try to facet by a continuous variable like
hwy
? What aboutcyl
? What’s the key difference?When a continuous variables, like
hwy
, is used for facet, ggplot converts it into factor and creates facet from all unique value of that continuous variable. Herehwy
has many unique values so we will get many facets for each of them whilecyl
has few discrete values and is useful to use for faceting.Use facetting to explore the 3-way relationship between fuel economy, engine size, and number of cylinders. How does facetting by number of cylinders change your assessement of the relationship between engine size and fuel economy?
ggplot(mpg, aes(cty, hwy, color = displ)) + geom_point(alpha = 0.5, position = "jitter") + facet_grid(.~cyl, labeller = label_both) + theme(legend.position = "top")
Here we can see that larger engine size has lower milage in both city and highway. In addition, vechile with large number of cylender has larger engine size. Further there are very few vechile having 5 cylinder.
Read the documentation for
facet wrap()
. What arguments can you use to control how many rows and columns appear in the output?The
nrow
andncol
arguments infacet_wrap()
controls the number of rows and columns.What does the scales argument to facet wrap() do? When might you use it?
Here
scales
can take three values –free
,free_x
andfree_y
.free_x
gives separate x-axis for each facet,free_y
gives separate y-axis for each facet and similarly,free
gives separate x and y axis for each facet.
Plot geoms
Exercises 2.6.6
What’s the problem with the plot created by
ggplot(mpg, aes(cty, hwy)) + geom_point()
? Which of the geoms described above is most effective at remedying the problem?Many points in this plots are overlapped so we can see only few points. In these situation, we can either use
alpha
argument for making the points transparent so that we can see the points underneath or usejitter
position to add some randomness on the points.ggplot(mpg, aes(cty, hwy)) + geom_point(alpha = 0.5) + ggtitle("With 0.5 opacity") ggplot(mpg, aes(cty, hwy)) + geom_point(position = "jitter") + ggtitle("With jitter position")
One challenge with
ggplot(mpg, aes(class, hwy)) + geom_boxplot()
is that the ordering ofclass
is alphabetical, which is not terribly useful. How could you change the factor levels to be more informative?Rather than reordering the factor by hand, you can do it automatically based on the data:
ggplot(mpg, aes(reorder(class, hwy), hwy)) + geom_boxplot()
. What doesreorder()
do? Read the documentation.ggplot(mpg, aes(reorder(class, hwy), hwy)) + geom_boxplot()
Here
reorder
arrange the factorclass
according to the magnitute ofhwy
in ascending order.Explore the distribution of the carat variable in the
diamonds
dataset. What binwidth reveals the most interesting patterns?ggplot(diamonds, aes(carat)) + geom_histogram(binwidth = 0.01) + ggtitle("binwidth: 0.01") ggplot(diamonds, aes(carat)) + geom_histogram(binwidth = 0.03) + ggtitle("binwidth: 0.01")
Explore the distribution of the price variable in the
diamonds
data. How does the distribution vary by cut?ggplot(diamonds, aes(price)) + geom_histogram(bins = 30) + facet_grid(.~cut)
You now know (at least) three ways to compare the distributions of subgroups:
geom_violin()
,geom_freqpoly()
and the colour aesthetic, orgeom_histogram()
and facetting. What are the strengths and weaknesses of each approach? What other approaches could you try?Read the documentation for
geom_bar()
. What does theweight
aesthetic do?Using the techniques already discussed in this chapter, come up with three ways to visualise a 2d categorical distribution. Try them out by visualising the distribution of
model
andmanufacturer
,trans
andclass
, andcyl
andtrans
.


Relavant style from bootstrap
So you can discard the bloat.
In development
html?
Used classes/html
Relevant bootstrap style
run
Future features:
Extract classes from inserted html
Extract classes from link to page


API
Full Doxygen output
C API
C++ API
Raster API
Vector API
Spatial reference system API
Multi-dimensional array API
Miscellaneous C++ API
Python API
Java API
GDAL/OGR In Other Languages
There is a set of generic SWIG interface files in the GDAL source tree (subdirectory swig) and a set of language bindings based on those. Currently active ones are:
There are also other bindings that are developed outside of the GDAL source tree (note: those offer APIs not strictly coupled to the GDAL/OGR C/C++ API). These include bindings for
Warning
For Perl, since GDAL 3.5 the link Perl is deprecated, use above link instead.
There are also more Pythonic ways of using the vector/OGR functions with
There is a more idiomatic Golang way of using the raster functions with


Reinforcement learning book review
I’ll organize my notes in the same way with book “Reinforcement Learning: An Introducation” by Richard S. Sutton and Andrew G. Barto, Nov 5, 2017.
These notes are written for helping me quickly review relevant knowledge and some important insights.
Introduction
This chapter primarily introduce some basic concepts and history about RL.
Part 1, Tabular Solution Methods
-
This chapter mainly discuss the different methods for exploiting and explorating. It uses multi-armed bandits as a concrete example to compare the performance of those methods.
Besides, it introduces a convergence condition about the action-value update.
(Heads up: since in this multi-armed bandits example the decision is made based on the previous rewards, its action-value function is formulated from past rewards instead of future).
-
Finite Markov Decision Processes
This chapter gives the formal definition of RL, such as MDP, action-value function, state-value function, policy.
Moreover, it gives the Bellman equation to describe state-value and action-value including the optimal formulations as below.
(In this chapter, it focus on future rewards with a discount ratio.)
-
This chapter introduces how to find optimal policy by dynamic programming. This method only works when the environment is well-defined (i.e. model-based).


An implementation of the Bayesian Clearance Estimator (Fogarty et al. (2015) <doi:10.1111/biom.12307>). It takes serial measurements of a response on an individual (e.g., parasite load after treatment) that is decaying over time and performs Bayesian hierarchical regression of the clearance rates on the given covariates. This package provides tools to calculate WWARN PCE (WorldWide Antimalarial Resistance Network's Parasite Clearance Estimator) estimates of the clearance rates as well.
| Version: | 1.0.2 |
| Depends: | R (≥ 3.0.0) |
| Imports: | stats, MCMCpack, MASS, msm, mvtnorm, survival, AER, Cairo, graphics, grDevices, utils |
| Suggests: | knitr, rmarkdown |
| Published: | 2018-11-12 |
| Author: | Colin B. Fogarty [cre], Saeed Sharifi-Malvajerdi [aut], Feiyu Zhu [aut] |
| Maintainer: | Colin B. Fogarty <cfogarty at mit.edu> |
| License: | GPL-3 |
| NeedsCompilation: | no |
| Citation: | bhrcr citation info |
| CRAN checks: | bhrcr results |
| Reference manual: | bhrcr.pdf |
| Vignettes: |
Quick tutorial for using bhrcr |
| Package source: | bhrcr_1.0.2.tar.gz |
| Windows binaries: | r-devel: bhrcr_1.0.2.zip, r-release: bhrcr_1.0.2.zip, r-oldrel: bhrcr_1.0.2.zip |
| OS X binaries: | r-release: bhrcr_1.0.2.tgz, r-oldrel: bhrcr_1.0.2.tgz |
| Old sources: | bhrcr archive |
Please use the canonical form https://CRAN.R-project.org/package=bhrcr to link to this page.


PERLREFTUT
Section: Perl Programmers Reference Guide (1)Updated: 2009-04-18
Index Return to Main Contents
NAME
perlreftut - Mark's very short tutorial about referencesDESCRIPTION
One of the most important new features in Perl 5 was the capability to manage complicated data structures like multidimensional arrays and nested hashes. To enable these, Perl 5 introduced a feature called `references', and using references is the key to managing complicated, structured data in Perl. Unfortunately, there's a lot of funny syntax to learn, and the main manual page can be hard to follow. The manual is quite complete, and sometimes people find that a problem, because it can be hard to tell what is important and what isn't.Fortunately, you only need to know 10% of what's in the main page to get 90% of the benefit. This page will show you that 10%.
Who Needs Complicated Data Structures?
One problem that came up all the time in Perl 4 was how to represent a hash whose values were lists. Perl 4 had hashes, of course, but the values had to be scalars; they couldn't be lists.Why would you want a hash of lists? Let's take a simple example: You have a file of city and country names, like this:
Chicago, USA Frankfurt, Germany Berlin, Germany Washington, USA Helsinki, Finland New York, USA
and you want to produce an output like this, with each country mentioned once, and then an alphabetical list of the cities in that country:
Finland: Helsinki. Germany: Berlin, Frankfurt. USA: Chicago, New York, Washington.
The natural way to do this is to have a hash whose keys are country names. Associated with each country name key is a list of the cities in that country. Each time you read a line of input, split it into a country and a city, look up the list of cities already known to be in that country, and append the new city to the list. When you're done reading the input, iterate over the hash as usual, sorting each list of cities before you print it out.
If hash values can't be lists, you lose. In Perl 4, hash values can't be lists; they can only be strings. You lose. You'd probably have to combine all the cities into a single string somehow, and then when time came to write the output, you'd have to break the string into a list, sort the list, and turn it back into a string. This is messy and error-prone. And it's frustrating, because Perl already has perfectly good lists that would solve the problem if only you could use them.
The Solution
By the time Perl 5 rolled around, we were already stuck with this design: Hash values must be scalars. The solution to this is references.A reference is a scalar value that refers to an entire array or an entire hash (or to just about anything else). Names are one kind of reference that you're already familiar with. Think of the President of the United States: a messy, inconvenient bag of blood and bones. But to talk about him, or to represent him in a computer program, all you need is the easy, convenient scalar string ``Barack Obama''.
References in Perl are like names for arrays and hashes. They're Perl's private, internal names, so you can be sure they're unambiguous. Unlike ``Barack Obama'', a reference only refers to one thing, and you always know what it refers to. If you have a reference to an array, you can recover the entire array from it. If you have a reference to a hash, you can recover the entire hash. But the reference is still an easy, compact scalar value.
You can't have a hash whose values are arrays; hash values can only be scalars. We're stuck with that. But a single reference can refer to an entire array, and references are scalars, so you can have a hash of references to arrays, and it'll act a lot like a hash of arrays, and it'll be just as useful as a hash of arrays.
We'll come back to this city-country problem later, after we've seen some syntax for managing references.
Syntax
There are just two ways to make a reference, and just two ways to use it once you have it.Making References
Make Rule 1If you put a "\" in front of a variable, you get a reference to that variable.
$aref = \@array; # $aref now holds a reference to @array $href = \%hash; # $href now holds a reference to %hash $sref = \$scalar; # $sref now holds a reference to $scalar
Once the reference is stored in a variable like $aref or $href, you can copy it or store it just the same as any other scalar value:
$xy = $aref; # $xy now holds a reference to @array $p[3] = $href; # $p[3] now holds a reference to %hash $z = $p[3]; # $z now holds a reference to %hash
These examples show how to make references to variables with names. Sometimes you want to make an array or a hash that doesn't have a name. This is analogous to the way you like to be able to use the string "\n" or the number 80 without having to store it in a named variable first.
Make Rule 2
"[ ITEMS ]" makes a new, anonymous array, and returns a reference to that array. "{ ITEMS }" makes a new, anonymous hash, and returns a reference to that hash.
$aref = [ 1, "foo", undef, 13 ]; # $aref now holds a reference to an array $href = { APR => 4, AUG => 8 }; # $href now holds a reference to a hash
The references you get from rule 2 are the same kind of references that you get from rule 1:
# This: $aref = [ 1, 2, 3 ]; # Does the same as this: @array = (1, 2, 3); $aref = \@array;
The first line is an abbreviation for the following two lines, except that it doesn't create the superfluous array variable @array.
If you write just "[]", you get a new, empty anonymous array. If you write just "{}", you get a new, empty anonymous hash.
Using References
What can you do with a reference once you have it? It's a scalar value, and we've seen that you can store it as a scalar and get it back again just like any scalar. There are just two more ways to use it:You can always use an array reference, in curly braces, in place of the name of an array. For example, "@{$aref}" instead of @array.
Here are some examples of that:
Arrays:
@a @{$aref} An array reverse @a reverse @{$aref} Reverse the array $a[3] ${$aref}[3] An element of the array $a[3] = 17; ${$aref}[3] = 17 Assigning an element
On each line are two expressions that do the same thing. The left-hand versions operate on the array @a. The right-hand versions operate on the array that is referred to by $aref. Once they find the array they're operating on, both versions do the same things to the arrays.
Using a hash reference is exactly the same:
%h %{$href} A hash keys %h keys %{$href} Get the keys from the hash $h{'red'} ${$href}{'red'} An element of the hash $h{'red'} = 17 ${$href}{'red'} = 17 Assigning an element
Whatever you want to do with a reference, Use Rule 1 tells you how to do it. You just write the Perl code that you would have written for doing the same thing to a regular array or hash, and then replace the array or hash name with "{$reference}". ``How do I loop over an array when all I have is a reference?'' Well, to loop over an array, you would write
for my $element (@array) { ... }
so replace the array name, @array, with the reference:
for my $element (@{$aref}) { ... }
``How do I print out the contents of a hash when all I have is a reference?'' First write the code for printing out a hash:
for my $key (keys %hash) { print "$key => $hash{$key}\n"; }
And then replace the hash name with the reference:
for my $key (keys %{$href}) { print "$key => ${$href}{$key}\n"; }
Use Rule 1 is all you really need, because it tells you how to do absolutely everything you ever need to do with references. But the most common thing to do with an array or a hash is to extract a single element, and the Use Rule 1 notation is cumbersome. So there is an abbreviation.
"${$aref}[3]" is too hard to read, so you can write "$aref->[3]" instead.
"${$href}{red}" is too hard to read, so you can write "$href->{red}" instead.
If $aref holds a reference to an array, then "$aref->[3]" is the fourth element of the array. Don't confuse this with $aref[3], which is the fourth element of a totally different array, one deceptively named @aref. $aref and @aref are unrelated the same way that $item and @item are.
Similarly, "$href->{'red'}" is part of the hash referred to by the scalar variable $href, perhaps even one with no name. $href{'red'} is part of the deceptively named %href hash. It's easy to forget to leave out the "->", and if you do, you'll get bizarre results when your program gets array and hash elements out of totally unexpected hashes and arrays that weren't the ones you wanted to use.
An Example
Let's see a quick example of how all this is useful.First, remember that "[1, 2, 3]" makes an anonymous array containing "(1, 2, 3)", and gives you a reference to that array.
Now think about
@a = ( [1, 2, 3], [4, 5, 6], [7, 8, 9] );
@a is an array with three elements, and each one is a reference to another array.
$a[1] is one of these references. It refers to an array, the array containing "(4, 5, 6)", and because it is a reference to an array, Use Rule 2 says that we can write $a[1]->[2] to get the third element from that array. $a[1]->[2] is the 6. Similarly, $a[0]->[1] is the 2. What we have here is like a two-dimensional array; you can write $a[ROW]->[COLUMN] to get or set the element in any row and any column of the array.
The notation still looks a little cumbersome, so there's one more abbreviation:
Arrow Rule
In between two subscripts, the arrow is optional.Instead of $a[1]->[2], we can write $a[1][2]; it means the same thing. Instead of "$a[0]->[1] = 23", we can write "$a[0][1] = 23"; it means the same thing.
Now it really looks like two-dimensional arrays!
You can see why the arrows are important. Without them, we would have had to write "${$a[1]}[2]" instead of $a[1][2]. For three-dimensional arrays, they let us write $x[2][3][5] instead of the unreadable "${${$x[2]}[3]}[5]".
Solution
Here's the answer to the problem I posed earlier, of reformatting a file of city and country names.
1 my %table; 2 while (<>) { 3 chomp; 4 my ($city, $country) = split /, /; 5 $table{$country} = [] unless exists $table{$country}; 6 push @{$table{$country}}, $city; 7 } 8 foreach $country (sort keys %table) { 9 print "$country: "; 10 my @cities = @{$table{$country}}; 11 print join ', ', sort @cities; 12 print ".\n"; 13 }
The program has two pieces: Lines 2--7 read the input and build a data structure, and lines 8-13 analyze the data and print out the report. We're going to have a hash, %table, whose keys are country names, and whose values are references to arrays of city names. The data structure will look like this:
%table +-------+---+ | | | +-----------+--------+ |Germany| *---->| Frankfurt | Berlin | | | | +-----------+--------+ +-------+---+ | | | +----------+ |Finland| *---->| Helsinki | | | | +----------+ +-------+---+ | | | +---------+------------+----------+ | USA | *---->| Chicago | Washington | New York | | | | +---------+------------+----------+ +-------+---+
We'll look at output first. Supposing we already have this structure, how do we print it out?
8 foreach $country (sort keys %table) { 9 print "$country: "; 10 my @cities = @{$table{$country}}; 11 print join ', ', sort @cities; 12 print ".\n"; 13 }
%table is an ordinary hash, and we get a list of keys from it, sort the keys, and loop over the keys as usual. The only use of references is in line 10. $table{$country} looks up the key $country in the hash and gets the value, which is a reference to an array of cities in that country. Use Rule 1 says that we can recover the array by saying "@{$table{$country}}". Line 10 is just like
@cities = @array;
except that the name "array" has been replaced by the reference "{$table{$country}}". The "@" tells Perl to get the entire array. Having gotten the list of cities, we sort it, join it, and print it out as usual.
Lines 2-7 are responsible for building the structure in the first place. Here they are again:
2 while (<>) { 3 chomp; 4 my ($city, $country) = split /, /; 5 $table{$country} = [] unless exists $table{$country}; 6 push @{$table{$country}}, $city; 7 }
Lines 2-4 acquire a city and country name. Line 5 looks to see if the country is already present as a key in the hash. If it's not, the program uses the "[]" notation (Make Rule 2) to manufacture a new, empty anonymous array of cities, and installs a reference to it into the hash under the appropriate key.
Line 6 installs the city name into the appropriate array. $table{$country} now holds a reference to the array of cities seen in that country so far. Line 6 is exactly like
push @array, $city;
except that the name "array" has been replaced by the reference "{$table{$country}}". The "push" adds a city name to the end of the referred-to array.
There's one fine point I skipped. Line 5 is unnecessary, and we can get rid of it.
2 while (<>) { 3 chomp; 4 my ($city, $country) = split /, /; 5 #### $table{$country} = [] unless exists $table{$country}; 6 push @{$table{$country}}, $city; 7 }
If there's already an entry in %table for the current $country, then nothing is different. Line 6 will locate the value in $table{$country}, which is a reference to an array, and push $city into the array. But what does it do when $country holds a key, say "Greece", that is not yet in %table?
This is Perl, so it does the exact right thing. It sees that you want to push "Athens" onto an array that doesn't exist, so it helpfully makes a new, empty, anonymous array for you, installs it into %table, and then pushes "Athens" onto it. This is called `autovivification'--bringing things to life automatically. Perl saw that they key wasn't in the hash, so it created a new hash entry automatically. Perl saw that you wanted to use the hash value as an array, so it created a new empty array and installed a reference to it in the hash automatically. And as usual, Perl made the array one element longer to hold the new city name.
The Rest
I promised to give you 90% of the benefit with 10% of the details, and that means I left out 90% of the details. Now that you have an overview of the important parts, it should be easier to read the perlref manual page, which discusses 100% of the details.Some of the highlights of perlref:
- *
- You can make references to anything, including scalars, functions, and other references.
- *
- In Use Rule 1, you can omit the curly brackets whenever the thing inside them is an atomic scalar variable like $aref. For example, @$aref is the same as "@{$aref}", and $$aref[1] is the same as "${$aref}[1]". If you're just starting out, you may want to adopt the habit of always including the curly brackets.
- *
-
This doesn't copy the underlying array:
$aref2 = $aref1;
You get two references to the same array. If you modify "$aref1->[23]" and then look at "$aref2->[23]" you'll see the change.
To copy the array, use
$aref2 = [@{$aref1}];
This uses "[...]" notation to create a new anonymous array, and $aref2 is assigned a reference to the new array. The new array is initialized with the contents of the array referred to by $aref1.
Similarly, to copy an anonymous hash, you can use
$href2 = {%{$href1}};
- *
- To see if a variable contains a reference, use the "ref" function. It returns true if its argument is a reference. Actually it's a little better than that: It returns "HASH" for hash references and "ARRAY" for array references.
- *
-
If you try to use a reference like a string, you get strings like
ARRAY(0x80f5dec) or HASH(0x826afc0)
If you ever see a string that looks like this, you'll know you printed out a reference by mistake.
A side effect of this representation is that you can use "eq" to see if two references refer to the same thing. (But you should usually use "==" instead because it's much faster.)
- *
- You can use a string as if it were a reference. If you use the string "foo" as an array reference, it's taken to be a reference to the array @foo. This is called a soft reference or symbolic reference. The declaration "use strict 'refs'" disables this feature, which can cause all sorts of trouble if you use it by accident.
You might prefer to go on to perllol instead of perlref; it discusses lists of lists and multidimensional arrays in detail. After that, you should move on to perldsc; it's a Data Structure Cookbook that shows recipes for using and printing out arrays of hashes, hashes of arrays, and other kinds of data.
Summary
Everyone needs compound data structures, and in Perl the way you get them is with references. There are four important rules for managing references: Two for making references and two for using them. Once you know these rules you can do most of the important things you need to do with references.Credits
Author: Mark Jason Dominus, Plover Systems ("mjd-perl-ref+@plover.com")This article originally appeared in The Perl Journal ( http://www.tpj.com/ ) volume 3, #2. Reprinted with permission.
The original title was Understand References Today.
Distribution Conditions
Copyright 1998 The Perl Journal.This documentation is free; you can redistribute it and/or modify it under the same terms as Perl itself.
Irrespective of its distribution, all code examples in these files are hereby placed into the public domain. You are permitted and encouraged to use this code in your own programs for fun or for profit as you see fit. A simple comment in the code giving credit would be courteous but is not required.
Index
- NAME
- DESCRIPTION
- Who Needs Complicated Data Structures?
- The Solution
- Syntax
- Solution
- The Rest
- Summary
- Credits
This document was created by man2html, using the manual pages.
Time: 05:29:08 GMT, December 24, 2015


Fariba has been coding since the age of eleven, when she made her first website.
Now she does big girl, fullstack web apps.
Podland
Podcast web application
Seek
Word game web application
Devise
Event finding mobile application
Skills
#Ruby
#JavaScript
#Rails
#React.js
#ReactNative
#Redux
#SQL
#CSS
#HTML
#Git
#French
#Farsi
#Photography
Drop Fariba a Line
Podland
Podland is a podcast library web application inspired by Stitcher. It provides a virtual space for podcast listeners to track their favorite shows, craft their own playlists, and discover new shows.
Seek is a simple yet elegant JavaScript based word game. Players are given a set of letters and must find as many words as possible in the time allotted.
#JavaScript #jQuery #CSS #HTML #Babel #Webpack
Devise
Devise is an easy-to-use, Android application for finding things to do in the San Francisco Bay Area.


South Park: Bigger, Longer, & Uncut (1999) A Capsule Review by Nathaniel R. Atcheson
Director: Trey Parker Cast: Trey Parker, Matt Stone, Mike Judge, Eric Idle, Isaac Hayes, Minnie Driver, George Clooney Screenplay: Trey Parker, Matt Stone, Pam Brady Producers: Trey Parker, Matt Stone Runtime: 80 min. US Distribution: Warner Bros./Paramount Rated R: strong language, violence
Copyright 1999 Nathaniel R. Atcheson
I expected South Park: Bigger, Longer, & Uncut to be offensive, raunchy, and extremely funny, but I didn't expect it to be as intelligently satirical as it is. I can honestly say that no movie has ever made me laugh harder than this one. While walking out of the theater, my friend, who is a South Park fan, told me that I probably got more out of it not being familiar with the series (I've only seen one episode). Perhaps that's true; I was certainly laughing louder than anyone in the audience. And often I couldn't believe what I was laughing at.
The story has our four young heroes learning an assortment of expletives from a Canadian movie; naturally, this leads to a heated anti-Canadian climate, and a vicious war against them into which Satan intervenes. Created almost entirely by comic geniuses Trey Parker and Matt Stone, the film attacks everything it can, including the MPAA, the U.S. Military, social intolerance, small-town mentality, and Bill Gates. South Park overflows with profanities used in ways most of us have probably never heard.
The film is so biting, so amazingly funny (I could *not* stop laughing after the general shoots Bill Gates), that it comes as an immense disappointment that the last twenty minutes are so bland. Parker and Stone focus too much on a strange homosexual relationship between Saddam Hussein and Satan, and don't find the funniest way to end their film. But it's still a quick 80-minutes -- 80 of the funniest and most culturally in-tune minutes I've ever sat through.
Psychosis Rating: 7/10
Visit FILM PSYCHOSIS at http://www.pyramid.net/natesmovies
Nathaniel R. Atcheson
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This report provides a list of recommendations for resource combinations which are similar to the one provided by you. The report is generated based on data analysis of historical security scans performed by the DevOps Kit (AzSK).
The recommended combinations are ranked on the basis of 'failure rate'. This represents the average number of security control failures (of all severity) observed across all instances in use for that combination.
Based on how the current combination fares vis-a-vis other combinations in this list, you can consider switching to one that has a lower 'failure rate' (assuming that your use cases can be accomplished using features available in that combination).


'Asio' is a cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach. It is also included in Boost but requires linking when used with Boost. Standalone it can be used header-only (provided a recent compiler). 'Asio' is written and maintained by Christopher M. Kohlhoff, and released under the 'Boost Software License', Version 1.0.
| Version: | 1.12.1-1 |
| Published: | 2018-09-10 |
| Author: | Dirk Eddelbuettel |
| Maintainer: | Dirk Eddelbuettel <edd at debian.org> |
| BugReports: | https://github.com/eddelbuettel/asioheaders/issues |
| License: | BSL-1.0 |
| Copyright: | file inst/COPYRIGHTS AsioHeaders copyright details |
| NeedsCompilation: | no |
| Materials: | README NEWS ChangeLog |
| CRAN checks: | AsioHeaders results |
| Reference manual: | AsioHeaders.pdf |
| Package source: | AsioHeaders_1.12.1-1.tar.gz |
| Windows binaries: | r-devel: AsioHeaders_1.12.1-1.zip, r-release: AsioHeaders_1.12.1-1.zip, r-oldrel: AsioHeaders_1.12.1-1.zip |
| OS X binaries: | r-release: AsioHeaders_1.12.1-1.tgz, r-oldrel: AsioHeaders_1.12.1-1.tgz |
| Old sources: | AsioHeaders archive |
| Reverse imports: | iptools |
| Reverse linking to: | iptools |
Please use the canonical form https://CRAN.R-project.org/package=AsioHeaders to link to this page.


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