If you can't explain it to a six year old, you don't understand it yourself.
- Albert Einstein
I think all scientists have a duty to educate as well as research. Our work is a social one, done in communities willing to share information and experiences with one another: we should aim to extend this bubble to the general public, to inspire the coming generations and make sure the implications of our work is understood. On top of this, the general public play a large part in whether we are paid or not.
Detailed below are some of my outreach experiences in the past. I am always looking to expand this list, so please send me an email if you have an idea!
During the summer of 2019, I worked as a teacher at Dame Elizabeth Cadbury Technology College for 4 weeks, as a teacher, assistant, scribe, lab technician and whatever else I could get my hands on. During this time, I worked under Dr. Hughes, giving lesson starters for either him or other teachers in the department of physics. At the end of the work, I presented to some of the higher ups of the Matrix Academy Trust a number of methods of educating lower-income students on some of the more hands-on applications of STEM subjects, to a positive response.
Luke was a pleasure to work with, as was everyone else in the department. It has made me consider working as a teacher (after many years of research, at least)
For 3 years, I worked as an ambassador for the department of physics at Birmingham. This involved giving tours of the university, answering students' questions about undergraduate life, and hosting events for nearby secondary schools. This led to me also working for the Ogden Trust in the summer of 2020 with two university applicants, answering their questions about undergraduate life, about my research experiences, and about our favourite games.
In the third year of my undergraduate, I worked for the Poynting Physical Society as a year representative. This involved passing on the wants and needs of students, helping with events, and discussing the future direction of the society in general. I personally hosted a number of these events, and got to know the undergraduate community very closely in this time. This led both to my teaching work at DEC, as well as the prestigious award of "Biggest Name In Physics" (I won the popular vote a second time in 2020, but was disqualified in order to make sure I did not dominate the competition). I was elected as secretary for the society for my fourth year, but dropped out to focus more on my studies: I am told the society greatly appreciated the LaTeX template for notes which I made in my short tenure.
It was a personal goal of mine during my year on committee to increase inter-society communications: PPS has a large membership, and as such can platform smaller societies for minority groups in the department which would otherwise be dismissed as fringe, such as BEAMS and oSTEM Birmingham. I hope that this advice will take the society leaps and bounds further in the coming years.
My time as an undergrad also led to many fun times with the Birmingham Astrophysics society. I have helped the society with events for British Science Week for many years now, presenting activities to primary schoolers to enjoy. It is for this reason I was jokingly called an "honourary committee member", and awarded the title of best society member in the EPS awards 2020.
I have also conducted a number of talks for the undergraduate community through Astrosoc: those which have been recorded can be seen below.


--- layout: page title: "About" description: "Hey, this is miao2." header-img: "img/404-bg.jpg" ---
一群小羊在山坡，咩咩咩咩对我把话说，
小羊小羊你们说什么，噢，朋友越多越快乐越快乐。
Hey，我是苗笛，可以叫我miao2，
籍燕国，精神北京人，vlogger，逼粉，降临派，现居宁波。
现职业学生，理想职业是有钱人，
学数学，但总被朋友说成“玩物丧志”，
多出没于微博、即刻 、饭否、睿站、Ins 等地带，
业余时间喜欢睡觉，偶尔做些手工，最近对 Vaporwave 十分入迷；
人品尚可，素质一般，还在努力进化，进化方向未知。
其实就是一个尚未进化完全的普通人，还在努力探索这个世界。
Twitter：@miao2
Telegram：@miao2
<EMAIL_ADDRESS>Wechat：
Designer or Engineer, things in between.
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work. And the only way to do great work is to love what you do. If you haven’t found it yet, keep looking. Don’t settle. As with all matters of the heart, you’ll know when you find it.
If you want to live your life in a creative way, as an artist, you have to not look back too much. You have to be willing to take whatever you’ve done and whoever you were and throw them away.
-- Steve Jobs


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Altair ServiceNow
Create Incident
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Select Altair Environment:
Production(PP1)
Quality - For Solved Tickets Testing(QP1)
QUALITY - For Solved Tickets Testing(QP2)
Development - Due To Tickets From ServiceNow(DP1)
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Sandbox(SP2)
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Go!


Fit of the extended SEIR model (1j) to the epidemiological data for the outbreak of COVID-19 in Ireland. t = 0 is the 29th February 2020, the day of the first recorded case. Data source: Ref. [18]. Top: Cumulative recorded cases and recorded deaths. Bottom: New daily recorded cases and daily recorded deaths.


This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
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 It is the work of filmmakers who have thrown all credibility to the wind in favor of going for one ridiculous gag after another. Most of the jokes work, and when one doesn't, you still have to admire them for even trying it in the first place.
The film takes as its title the moniker of former President Richard Nixon, who is one of many targets in this screwball satire. Its premise is that Deep Throat, the mysterious informant who provided Washington Post reporters Bob Woodward and Carl Bernstein with crucial leads in the Watergate case, was in fact the pair of Betsy Jobs (Kirsten Dunst) and Arlene Lorenzo (Michelle Williams), a couple of dimwitted teenage girls who didn't even understand what they had discovered. They had been at the hotel at the night of the break-in, but they didn't realize what was going on, and it is only after a paranoid G. Gordon Liddy (is that redundant?) noticed them at the White House later that they began to stumble across the shady dealings. Convinced that they were spies, Liddy had them taken aside from their school field trip to a private study, where Nixon and Bob Haldeman cooked up the idea of making them official White House dog-walkers to keep them quiet. The irony, of course, is that they had no useful information until they were brought inside the White House in order to keep them from leaking information.
At this point, the history of the last two years of the Nixon presidency unfolds as a comedy of errors. The pullout from Vietnam, for example, is another concession to the girls, after one of them solemnly tells Nixon, "War is not healthy for children and other living things." Unique explanations are offered for some of the more peculiar details of the scandal, such as the missing 18-1/2 minutes on the Oval Office tape, which is caused, indirectly, by Arlene's schoolgirl crush on the President. Woodward and Bernstein, meanwhile, turn out to be childish idiots, squabbling with each other over who gets to be on the telephone with the girls (their initial phone call to the newspaper was only meant to be a prank) and what not. When Woodward meets with them in an empty garage, a noise is heard in the background and they fear they've been followed. And they have--by Bernstein, whose pratfall off his bicycle accounted for the noise.
All of this, of course, is absurd (though I do wonder if the details of the real Watergate scandal would seem believable if they hadn't actually happened). But everyone involved seems to know it's absurd, and neither director Andrew Fleming nor any of the performers take any of it remotely seriously. While there is, of course, an element of political satire present, most of it is fairly obvious, as the filmmakers are by and large unconcerned with maintaining any connection to reality, opting instead to create their own deranged screwball universe. All in all, this movie really has more in common with AIRPLANE! than it does with DR. STRANGELOVE.
Needless to say, DICK is not exactly what one would call a classic. I regard it in much the same light as this year's SOUTH PARK feature film, as an inventive, amusing, and largely inconsequential comedy (though far less vulgar). Profound it ain't, but at least it made me laugh.
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Australia
Why Choose Australia
Australian education is respected internationally when seeking employment or further study at leading international universities. Distinguishing Australia from many other countries is the Australian Qualifications Framework (AQF) which is a national system of leading pathways recognized throughout Australia and many other countries. Degrees from Australia are globally recognized. People in Australia are very friendly and co-operative. Weather is very suitable for Indian students. Post Qualification work & settlement options are also available in the country. You can work while studying. Universities are known for being research focused & technology driven.
General Facts
Capital: Canberra
Population: Approximately 22 million.
Size: Approximately 7.6 million square meters
Time Zone: Australia has three different time zones, the time difference between Australia and Europe can vary between +6 to +10 hours
Currency: Australian Dollar (AUS $)
Official language: English
Education System
Australia has 41 universities and all of them are routinely accessed and evaluated by governmental authorities to ensure a high education standard. Students are very involved in the review process.
Studying in Australia, you can opt for both undergraduate as well as postgraduate degrees. An undergraduate degree normally takes up to three years to complete and a postgraduate degree takes another one to two years. Many universities also offer an Honours Degree, a year of specialization, once an undergraduate degree has completed by a student.
Students can also gain a postgraduate diploma after completing the undergraduate degree which is known as a one-year postgraduate degree. For international students, the best option considered is to study in Australia for one or two semesters (Semester Abroad program. Australian universities are known for the excellent LL.M. programs in a variety of specialist fields.
Admission Process
Admissions are totally based on a student's academics & IELTS score. While applying for admissions one must submit the following documents along with the application:
- Marksheets & Passing certificate of Year 10 & Year 12
- IELTS Result Copy (If not given- conditional offer letter will be issued)
- Marksheets of bachelor's degree
- Degree Certificate (Provisional degree certificate is acceptable if original not received till date)
- Marksheets & Degree certificate for PG/master’s degree, if completed in India.
- Work Experience certificates (if applicable)
- Statement of purpose/ Recommendation letters (Depending on course)
- Application fees draft (Depending on the university)
Visa Application Process
In Australia, a student visa is required for any stay longer three months. Stays over 12 months require an additional medical examination by a panel doctor of the Australian government. Working Holiday Visa is another option if you are opting for your semester abroad. However, this visa has a variety of restrictions which must be taken care of.


org.codefx.demo.javadoc8tags
Interfaces
Lottery
Classes
OldLottery
PrivateLottery
StateLottery
UselessLottery


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QUIZ
Questions
1+1
-1+1
who is our greatest teacher
What is my purpose
What is the Answer to the Ultimate Question of Life, the Universe and Everything
SUBMIT
GRADE


06 July 2000
Disease Outbreak Reported
An outbreak of cholera was first reported on 17 April by the public health authorities of Pohnpei island. As of 26 June, 954 cases and 9 deaths had been reported to WHO, on the basis of inpatient and outpatient data from the Pohnpei hospital and community-based dispensaries. Vibrio cholerae serotype Ogawa has been isolated. Preventive and control measures are being implemented.


--- layout: post title: April Fools’ Day 2016 date: '2016-04-01T15:06:00.001-07:00' author: JohnP tags: modified_time: '2016-04-02T12:08:43.728-07:00' thumbnail: https://lh3.googleusercontent.com/-kgVPZI78A6U/Vv7w3anW5GI/AAAAAAAABEw/nVrBOqSXIQg/s72-c/aprilFools16_thumb%25255B1%25255D.png?imgmax=800 blogger_id: tag:blogger.com,1999:blog-8275462422374771907.post-4261067736603954301 blogger_orig_url: http://sixtysecondrevit.blogspot.com/2016/04/april-fools-day-2016.html ---
Today I managed to create a pretty nifty UI node in Dynamo. Shortly after, I realized it can provide some interesting user experiences.
Have fun! and be nice. :)
-john


RISER GENERATOR
BY: MARLON FISCHER
NYU CPROGRAMMING FOR MUSIC TECHNOLOGY
Program Info
This program combines graphic simulation and a multi-waveform synth that allows for the user to interact with the interface. The program utilizes OpenGL, Portaudio, and a library called BiquadFilter. The way in which I impliments the BiquadFilter library is in the portaudio callback function so that the audio would pass through the 2 filters before going the output. The library contains functions that allow for the audio to be routed though a buffer, into the function, and returned so that it can be assigned to the output. One of the main functions of the program deals with the red circle, drawn with Opengl, this is where the usage of the program exists. The red circle in the window represents one way that the user can interact with the program. By moving this circle 2 different parameters are controlled. On the X axis, left to right, a low pass filter's frequency is changed, left being lowest frequency and right being highest. On the right side there is a slight high pass filter for effect. On the Y axis, up and down, the synthesizers frequency is changed, down being lowest and up being highest. Another way the user can interact with the program is by using the keyboard, inputing single key commands. One of these commands is for the circle to rise from the bottom left corner to the top right corner on its own. By allowing the circle to move in this direction, diagonally, the pitch and low pass filter's frequency move together, creating a "riser". In accordance with the last command, automated riser, is the reset key which will place the circle back in its starting postion. Not only can the user control the sound with the circle but they can also control the graphics displayed on the screen. When the circle is moved in any direction, and the green waveform movement is turned on, the speed and direction of this green waveform will change automatically. The further towards the edges the circle is, the faster the green waveform will turn. If the user is unhappy with the waveform the synth is utilizing, or are curious to see the others, then they have the opportunity to switch between 4 different waveforms. There is a sine wave, a triangle wave, a saw wave, and a square wave (in that order), and they can be chosen using a single key command. Other functionality that this program allows is to toggle a full screen mode and to mute the audio, which will display nothing on the graphics.
Intended use
This program was made to be routed into either a digital audio workstation or outside source. In order to route the audio anywhere from this program the user must change his/her default audio output. In order to route into a DAW a third party program is recommended. This program has been tested with soundflower and is fully functional in any DAW that can have its input settings set up to this program, meaning most. In order to run the program the user must locate the file without an extension, this is the executable file, and double click on it. This will open the application and also bring up the terminal. The terminal is where you can see the help menu, and tell whether the auto rise is on or not. If the application does not open, or crashes, try to open the application again. if this does not work then the user will have to re-make the application. In order to do so you must move into the folder that the program is located in and type in the console "make clean && make" without the parenthesis. The program at this time should be functional and the normal means of opening the application should work. Once the application is open remember that the 'q' button is how to quit. you must also exit out of the terminal manually by clicking on the top left most bubble in the window. This program has only been tested on a mac, but this should also function on a PC and Linux as long as the proper libraries are installed.
WARNING!
If the red circle seams to be stuck in any position, press the 's' button to reset the circle.
Resources
The BiquadFilter library can be found at: BIQUADFILTER GITHUB
Key and mouse commands
- 'h' - print this help message
- 'f' - toggle fullscreen
- click and drag mouse up and down - change pitch frequency
- click and drag mouse left and right - change lowpass frequency
- 'spacebar' - automatically move circle to top right corner
- 's' - bring circle back to bottom left corner
- 'w' - change waveform
- 'm' - mute audio
- 'arrow keys' - turn on green waveform movement
- 'q' - quit
Screen shot of the riser gen interface
Included in the zip file is:
riser_generator(executable file) riser_generator.c Biquad.c Biquad.h Makefile(in order to recompile the code)


{% extends "base.html" %} {% load static from staticfiles %} {% block add_css %} {% endblock %} {% block add_styles %} .chosen-container { width: 70% !important; } .editor-toolbar, .editor-statusbar, .editor-preview-side, .CodeMirror { width: 70% !important; } {% endblock %} {% block content %}
A risk exception can consist of compensating control(s) and documentation.
Documentation can be in the form of an image or PDF file.
Select the findings that apply to this acceptance. These findings will be automatically be deactivated.


--- layout: post title: "January 2019" subtitle: date: 2019-2-2 00:00:00 -0500 categories: [PropertyReport] background: '/img/posts/2019-01/header-spike1900x1032.jpg' ---
Chris and I started our year at The Cabin (not to be confused with The Property!). We enjoyed a very tasty and elaborate fondu (broth, oil, AND cheese), much champagne, and decadent cheesecake (with 3 choices of topping!), all courtesy of Marlene (food) and Ron (bubbles). Heather and her new dog Ace were there too and we enjoyed many good dog walks. Very good times had by all, although I think we were all asleep or at least in bed when the New Year officially arrived. On our way home on New Year’s Day we saw Heather and Sandy off with a tasty breakfast in Spruce Grove as they started their drive north to Whitehorse.
Today we welcomed a new four-footed furry family member: Revi! Although Revi’s family loved her, it just wasn’t working out. Luckily Leanne knew we had an opening since we said goodbye to Spike a few years ago. I know, if you have 3 dogs, do you really have an opening?! Well, we did for Revi. She seems to be a very sweet dog who loves people, though I’m sure she will reveal some sneaky and prankster ways once she gets acclimatized.
Hmmm, it seems the rest of January has flown by and suddenly it is gone. So I will just try to summarize the main points.
Revi has settled in well. Her and Seuss spent the first few days constantly playing, which was very cute, but the humans finally had to separate them so everyone could take a break and get on with other things. Revi is doing well on our walks and is getting better at coming back when called… mostly!
Our kitchen got an upgrade with a new tap. Despite much effort by Chris, our original tap insisted on leaking unless tightened frequently. After attempting to live with this quirk for a while (I mean, no one is perfect, right?), we decided it was time to bite the bullet. The new model looks quite similar, with the distinctive difference being that water only comes out where one expects it to!
Tammi also got an upgrade to her sleeping arrangements this month. She is now allowed on the couch! She is very pleased with this situation as it allows her to escape the antics of the other dogs.
After some procrastination, both Sadie and I went to the dentist this month, so our pearly whites are indeed (mostly) white. No cavities or extractions needed for dog or human, so overall a relatively painless experience. We are both determined to strive for better oral hygiene (or at least, I am determined to strive for both of us)!
We continue to enjoy our daily walks in the Birch Coulee conservation area next to our house, and have gotten some neat wildlife views from our trail cameras. This one even comes with audio (thanks to Chris for figuring out how to make that work with our blog!).
Chris, Seuss and I also ventured a little further afield to check out the Morrison conservation area. Seuss and I were heading there to look for wild boar scat after some boar were spotted during an aerial survey nearby. Chris decided he would like to join, and I was very grateful. It is always nice to have a strong, handsome field assistant who is happy to carry your backpack, while you shuffle along on snowshoes in a semi-panicked state trying to keep your highly energetic search dog in sight! We made two visits and saw lots of sign of deer and moose, but no boar. There are still two more quadrants to search, but due to the large amount of snow, and our imminent trip to New Zealand, I expect they will have to wait until spring. I suspect the boar are further south, enjoying leftover crops in farmers’ fields anyway!
January ended with a blizzard and February is looking very wintery so far. Nice to be all cosy in our cabin.
Hannah & Chris
Tammi, Sadie, Seuss, and Revi


Photo by Jazmin Quaynor on Unsplash
Ever wondered why some people seem to have more than 24 hours in a day? They are simply good stewards of time. They utilise every spare minute of their day to do something productive. One way to achieve this is to have a daily schedule. As explained in part 2 of this series, my system relies on scheduling whatever time I get outside of work. At the end of this series I will share my personal schedule.
For now, we shall be working with an alternative schedule based on the one-hour train commute presented in part 2.
Based on the above schedule, there are at least 4 hours every day which can be used to work on your own project. This sums up to a whopping 20 hours a week – based on a five-day work week and excluding weekends. In my case, the numbers are only slightly higher due to my almost non-existent commute. Before addressing the rest of the schedule, I’d like to draw your attention to the following three activities: rise and shine, personal project and daily appraisal. No matter how you tailor the schedule to suit you, ensure that you make adequate time for each of these.
6:00 am – 6:30 am. As a Christian, I use this time to pray and listen to a podcast where a priest celebrates the Mass daily. Making use of this time is not exclusive to those who pray. The purpose is to clear your mind and prepare yourself for the day ahead. This can involve meditation or simply going out for a walk. Immediately when you wake up, avoid checking emails or social media and go straight into your alone time. getting alone time can be even trickier for people living as a couple or with kids. But try to schedule this alone time before you get started on your daily activities.
6:30 am – 7:30 am. This slot is very flexible. However, I recommend doing chores such as making your bed, tidying your house, and so on – leaving you free to do more important things in the evening. During this time, feel free to check and update your social media accounts i.e. once you’ve given your alone time its due.
8:00 am – 9:00 am and 5:00 pm – 6:00 pm. Use your commute to and from work to check emails, make phone calls, brainstorm, develop ideas and do market research pertaining to your personal projects. Do not check work emails as you’ll have plenty of time between 9:00 am and 5:00 pm to do so. Dedicate this time to building your own business.
8:00 pm – 10:00pm. Dedicate this time purely to working on your own project, be it writing a book or building an e-commerce venture or developing an App or whatever it is that you are working towards. Two hours of uninterrupted time in the evenings is ideal for this.
10:00pm – 10:30 pm. During this time, take stock of your day. This can be as simple as asking questions like: ‘what have I achieved today?’, ‘what do I need to accomplish tomorrow?’, etc. This process is very important because it puts things into perspective. It helps you to see more clearly whether you are biting off way more than you can chew or not biting enough. Use this time to plan project-related activities for the next day. For example, write down a list of people to email and call, points to research during your commute, tasks to accomplish in the evening, and so on. In this way you will spend more of the following day getting stuff done rather than planning what needs to be done.
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JUIT | Open Source Society
Dream | Develope | Deploy | Debug | Decode
We are a student group of Open Source Enthusiasts who came together for a preliminary and relevant case, Love for Coding.
JOSS plans to hold events for intoducing students with UNIX tools, Linux environment, Git Development Workflow.
We focus on Learning Algorithms and strengthening Data Structures. We also aim to conduct workshops on Programming Languages, Web development, Android Development and Hackathons in University.
JOSS is all about Open Source, so there is no membership drive for the society. Anyone can contribute the JUIT | JOSS github page. To get started with the JOSS Society, all you need to create an account on Github. You need to signup here., just show interest and have faith in Open Source


Switch to
Mode
Welcome to my app!
It supports multi-touch interaction with chart and preview - just so you know.
Have fun :)


Donate
Bitcoin
You can send Bitcoin donations to the following address to support this project:
Using a low fee is recommended, since the payment doesn't need to be quick. There's no need to waste your money choosing a fee based on having it arrive within an hour, when having it go through within a couple days is perfectly fine.
PayPal
PayPal donations can be sent to<EMAIL_ADDRESS>Please mention the Auditor app or attestation.app in the donation description to allow for proper record keeping, since PayPal does not allow multiple personal accounts.
The PayPal account can receive both CAD and USD. If you send another currency, it will be converted to CAD. If you have USD, it's best to select USD from the dropdown menu and send it without converting it, to avoid an unnecessary conversion fee.
GitHub Sponsors
The project can be sponsored through GitHub for five to one hundred dollars a month. Donations up to five thousand dollars are matched by GitHub for the first year and the number of donors is public information. This makes sponsorship through GitHub the best option to support the project financially for the time being until the donation matching ends.


purpose: This project will be a professional page for a local esthetics business. With a focus on front end design.
Audience: this site will be designed with an audience prominently women in mind. Targeted audience will be in the range of 25-75 years for preventive and restorative care. Located in the Albuquerque area.
Goal : the primary goal for this site is to educate, connect, schedule services, and help market through out the albuquerque area.
Profession: Stay at home mother of 3 with a small at home consulting business.
Technology: Macbook pro owner with 16 inch display. Iphone x with a verizon 5g connection
Attitudes & behaviors: Constantly on the go, never enough time for herself, spends lots of time outdoors with children's sports and activities. loves fashion and skincare but never has enough time to treat herself.
Frustrations and needs: needs to take preventive and restorative care for her skin. Is not sure where to start, who trust. Does not want plastic surgery but wants to make sure the providers have a good reputation. Short on time so needs a procedure to be under an hour and also easily to book online.
Goals: To be educated on different non evasive techniques to protect, prevent, and restore skin damage on her face. to find someone she can trust and is flexible to her chaotic schedule. Wants to be able to book online and also sent reminders about her aoppointment.
as a user, I need to be educated, find trust, and book an appointment easily


 This can often be difficult becuase of the various operating systems that you and your classmates have. We'll do our best to create a homogenous environment in this workshop.
Follow the instructions for your operating system. If you run into any problems, don't panic- invite the instructor over!
Step 1. Install Python
GREAT NEWS! Since you're on OS X, Python has already been installed for you. Most Unix/Linux systems come with Python already on it!
To verify, open a terminal (see Step 2) and type python at the prompt. you should see something very similar to the code below:
$ python Python 2.7.2 (default, Oct 11 2012, 20:14:37) [GCC 4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>>
Type exit()
to get out of python interpreter.
Step 2. Install a Terminal
MORE GOOD NEWS! Again, OS X already comes with a built in Terminal that's ready to use. You can find it in the Utilities directory of your Applications folder. You can also type in Terminal in Spotlight search and that should open it up also. It might be a good idea to add this to your dock, or create a shortcut on your desktop, since we're going to be using it a fair amount.
If you're familiar with the Terminal, ask your instructor about iTerm - a Mac Terminal with more functionality.
Step 3. Install Django
Now the fun begins!
cd ~/Downloads/Django-1.5.1
sudo python setup.py install
python
>>>
prompt.import django
exit()
Step 4. Install Sublime Text
Most people are surprised to find out that all you need to code is a simple text editor- nothing fancy. In fact, you want the simplest possible editor you can find! Although there are many Integrated Development Environments (IDEs) out there, we'll use Sublime Text:
Step 1. Install Python
Unfortunately Windows doesn't natively come with Python so we're going to have to do some wrangling to get it on your system.
You now have Python installed on your computer. You
may want to look into editing the PATH
environment variable
to ensure that python is available in any Command Prompt. However, we will not be
using native Windows command prompts in this class.
You can test Python by opening up an IDLE terminal from your applications or Start menu.
Step 2. Install a Terminal
So that everyone is on the same page, for this class, we're going to use Cygwin as our emulator. In the work environment, it is likely that you'll have to use a Linux or Unix Terminal, so it's good to get used to it.
At this point you might want to create a shortcut to the cygwin application on your desktop or in your quick launch bar since we'll be using it frequently.
Step 3. Install Django
Installing Django is also going to be a bit tricky.
cd ~/Downloads/
tar -xzvf Django-1.5.1.tar.gz
-- it should unpack to a foldercd Django-1.5.1
python setup.py install
python
>>>
prompt.import django
exit()
Step 4. Install Sublime Text
Most people are surprised to find out that all you need to code is a simple text editor- nothing fancy. In fact, you want the simplest possible editor you can find! Although there are many Integrated Development Environments (IDEs) out there, we'll use Sublime Text:
Step 1. Install Python
GREAT NEWS! Since you're on Ubuntu, Python has already been installed for you. Most Unix/Linux systems come with Python already on it!
To verify, open a terminal (see Step 2) and type python at the prompt. you should see something very similar to the code below:
$ python Python 2.7.3 (default, Aug 1 2012, 05:14:39) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>>
Step 2. Install a Terminal
MORE GOOD NEWS! Again, Ubuntu already comes with a built in Terminal that's ready to use. Since we'll be using this often, you'll want to create a launcher on your desktop or in the side dock.
If you're using Unity:
Return
CTRL + ALT + T
If you're using the old style menu:
CTRL + ALT + T
Create a Launcher:
Step 3. Install Django
Now the fun begins!
cd ~/Downloads/
tar -xzvf Django-1.5.1.tar.gz
-- it should unpack to a foldercd Django-1.5.1
sudo python setup.py install
python
>>>
prompt.import django
exit()
Step 4. Install Sublime Text
Most people are surprised to find out that all you need to code is a simple text editor- nothing fancy. In fact, you want the simplest possible editor you can find! Although there are many Integrated Development Environments (IDEs) out there, we'll use Sublime Text:
{% endblock %}


Deputy Attorney General, U.S. Attorney, and Other Federal and Local Officials Unveil New OCDETF Strike Force Site, Highlight Successes of Phoenix Operation
Multi-Agency Group in Phoenix Responsible for 93 Arrests and $150 Million in Seizures
| U.S. Attorney’s Office September 30, 2009 |
PHOENIX—Deputy Attorney General David W. Ogden, along with U.S. Attorney Dennis K. Burke, Acting Director of the Bureau of Alcohol, Tobacco and Firearms Kenneth Melson, Drug Enforcement Administration Deputy Chief of Operations Dave Gaddis, and other federal and local officials today officially unveiled the new Organized Crime Drug Enforcement Task Force (OCDETF) Strike Force site in Phoenix.
The Phoenix Strike Force is housed in the offices of the DEA Phoenix Division. The OCDETF Strike Force functions as a cohesive unit by bringing together representatives of the partner agencies to more effectively focus on specific investigative targets. Federal, state, and local agencies represented include the DEA; ATF; the Federal Bureau of Investigation (FBI); the U.S. Marshals Service (USMS); the Criminal Division of the Internal Revenue Service (IRS); U.S. Immigration and Customs Enforcement (ICE); the Arizona Department of Public Safety; the Maricopa County Sheriff’s Office; and the Phoenix, Mesa, and South Tucson Police Departments.
“OCDETF Strike Forces, like the one here in Phoenix, reflect the kind of collaborative law enforcement approach that allows us to most effectively combat the vicious drug trafficking organizations such as the Sinaloa Cartel that contribute to violence and other crime in neighborhoods here and across this country,” said Ogden. “Now in its 27th year, the OCDETF program has been a model of interagency coordination, innovation, and teamwork. This strategy recognizes that the most successful way to fight these intricate criminal networks is by combining the strengths, resources, and expertise of federal, state and local agencies.”
“By concentrating experts from so many agencies in one place, the strike force model allows for real-time sharing of intelligence and deployment of strategy,” stated U.S. Attorney for the District of Arizona, Dennis K. Burke. “That advantage allows strike force agents to react more decisively to interdict the actions of large, sophisticated and violent drug trafficking organizations. Coordination leads to better intelligence, quicker reaction and more convictions.”
The Phoenix Field Division formed an OCDETF Strike Force in August 2008, that focuses completely on investigations of command and control elements of the Sinaloa Cartel and Arizona-based distribution cells associated with the Cartel.
Since its inception, the Phoenix Strike Force has indicted a Sinaloa Cartel associated CPOT (Consolidated Priority Organization Target) and RPOT (Regional Priority Organization Target), conducted in excess of 80 wire taps of Sinaloa Cartel related Drug Trafficking Organizations, and has been directly or indirectly responsible for the seizure of over $150 million dollars in U.S. currency, associated assets, and financial instruments. In addition, information provided by the Phoenix Strike Force has led to the seizure of over $29 million in cash and assets in Mexico and 93 arrests in the United States.
“DEA is successfully striking back at the Mexican Cartels that use Phoenix as a major transshipment point for their drug trafficking operations,” said DEA Acting Administrator Michele M. Leonhart. “In coordination with the Calderon Administration, we are targeting and arresting major drug traffickers impacting Arizona, disrupting their operations both in Mexico and the United States. This multi-agency Strike Force, which has already helped take down significant Sinaloa Cartel leadership, is a proven law enforcement tool for tackling the challenges we face along the Southwest Border.”
“Within the OCDETF arena, ATF maintains its focus on major drug traffickers who use firearms to further their trade and violate firearms-trafficking laws, as well as laws relating to explosives,” said ATF Acting Director Kenneth Melson. “Firearms often serve as a form of payment for drugs and, together with explosives and arson, are used as tools by drug organizations for purposes of intimidation, enforcement, and retaliation against their own members, rival organizations, or the community in general. ATF’s jurisdiction and expertise make it a well-suited partner in the OCDETF program.”
Based on the success of the Phoenix Strike Force Group, an additional Strike Force Group was formed in the Phoenix Field Division’s Tucson District Office in June 2009. The Tucson Strike Force Group is comprised of law enforcement personnel from DEA, ATF, ICE, FBI, and the South Tucson Police Department. Both Strike Force Groups will continue to pursue OCDETF case designations for federal prosecution and will work in a complementary role with the Arizona HIDTA (High-Intensity Drug Trafficking Area).


SAT designs, delivers, and installs water treatment system components - in addition to complete water treatment plants to serve a variety applications, in a wide range of sizes tailored for the individual needs of our customers. Our water treatment system designs are the results of our extended experience and enhanced by our continuous research in the field. Our designers analyze the quality of the raw water, quality of the product water required, application for which the water is required, possible treatment technologies applicable, in addition to any other individual requirements of our clients. SAT's water treatment plants are known for their high quality , which is a result of the excellent equipment used, automatic operation, optimal operation costs and reliable guarantee and after-sales service. Send us your requirements, or request a presentation by one of our engineers.


Loading...
Expected output:
Code:
name = input('What is your name? ')
name = 'John'
for i in range(3): num = input('Enter a number: ') # Use num somehow
for num in [3, 5, 2]: # Use num somehow


Networking
Addressing a Sore Point in the OSS Ecosystem
Created by
Antoni Segura Puimedon
/
@celebdor
Docker
Containers made easy
Daemon based
multiple backends
Docker networking
libcontainer(builtin):
NAT Bridge
None
Host
Container
Overlay
NAT Bridge
NAT Bridge
Advantages:
Isolation from underlay
Simple
Drawbacks:
no easy cross-host
no advanced networking
Host
Advantages:
Directly on the underlay
Full capabilities
Drawbacks:
Lack of isolation
Container
Container
Advantages:
Isolation from the underlay
Full communication containers
Drawbacks:
no easy cross-host
no advanced networking
Overlay
Cross-host networking for containers
Advanced network opportunities
Flannel
Flannel
Advantages:
Overlay for the hosts
Each docker0 gets a routable /24
UDP and VXLAN backends
Provides configuration file for dockerd
Drawbacks:
Lack of flexibility
no advanced networking
Extending docker networking
Current way:
wrap around the docker API/cli, or
Hook to the event stream and react
Future way:
libnetwork (core or remote)
Wrapping around
Advanced networking as extra commands/params
Write a wrapping API
Write wrapping cli
Make sure users target the wrappers
Examples
Socketplane(cli)
Weave(cli)
Nova-docker(both)
Wrapping around: socketplane
Evented: MidoNet PoC
Nova-docker
Libnetwork
Refactor libcontainer networking into a separate library
Extends docker API/cli
Written in Go by Docker for docker
Multiple drivers:
bridge
host
null
overlay*
remote
Libnetwork: entities
Driver
Sandbox
Network
Create
Delete
Endpoint
Create
Join
Leave
Delete
Libnetwork: remote
Open to external vendors
Containerized
RPC dockerd<-->remote driver
Implements the driver entities
Libnetwork neutron driver proposal
Libnetwork neutron driver proposal
Gives Swarm an overlay
Maps libnetwork entities to Neutron
Gets IPAM from Neutron
Vendor interface plugging configurable
Extra entities via labels
Opens Docker to advanced networking
Open Source and open to contributors
Libnetwork neutron driver proposal + MidoNet
Distributed containerizable SDN Controller
No SPOF
Layer 4 load balancing with health monitor
Native security groups
Distributed stateful NAT
OpenStack Magnum
Containers as a First-class OSt resource
Containers are ants, not cattle
Multi-tenant Control and Data Planes
Brings the Hybrid Cloud
OpenStack Magnum
OpenStack Magnum
Two levels of encapsulation!!!
Solution: Use only neutron
OpenStack Magnum
Join us
MidoNet
Magnum
https://slack.midonet.org
#openstack-containers@irc.freenode.net


And while research is limited, the answer appears to be, in part, that states with stricter gun control laws have fewer firearm deaths — sometimes dramatically fewer — than those that don't.
"A higher count of a state's firearm laws is associated with fewer total firearm deaths," said Ye Liu, a doctoral student in the Department of Health Care Organization and Policy at the University of Alabama at Birmingham.
For example, in 2018, Mississippi, Alabama, Wyoming, Missouri, and Louisiana had the highest firearm-related death rates. All of these states, though, 20 or fewer firearm-related laws.
In contrast, New Jersey, Hawaii, New York, Massachusetts, and Rhode Island had the lowest firearm-related death rates. Each of these states had 50 or more gun-related laws.


>>
<<
Usr
Pri
JfC
LJ
Phr
Dic
Voc
!:
Help
Dictionary
|
$: denotes the longest verb that contains it.
|
Example 1:
1:`(] * $<EMAIL_ADDRESS>5
120
In the foregoing expression, the agenda (@.)
chooses the verb ] * $:@<: as long as the argument
(reduced by one each time by the application of the decrement)
remains non-zero. When the argument becomes zero, the result of
the right argument of @. is zero, and the constant
function 1: is chosen.
If $:@ were omitted from the expression,
it would execute once only as follows:
1:`(] *<EMAIL_ADDRESS>5
20
The inclusion of self-reference ensures that the entire
function is re-executed after decrementing the argument.
Example 2:
In quicksort, a “pivot” is chosen at random
from the list to be sorted. The overall result is the sorted
result of the part less than the pivot, catenated to the
part equal to the pivot, catenated to the sorted result
of the part greater than the pivot.
quicksort=: (($:@(<#[) , (=#[) , $:@(>#[)) ({~ ?@#)) ^: (1<#)
] v=: 20 ?.@$ 13
10 3 3 6 11 11 4 0 10 2 5 6 2 0 1 3 12 10 11 5
quicksort v
0 0 1 2 2 3 3 3 4 5 5 6 6 10 10 10 11 11 11 12
>>
<<
Usr
Pri
JfC
LJ
Phr
Dic
Voc
!:
Help
Dictionary


{% extends 'base.html' %} {% load static %} {% block content %} {% include 'partials/_menu.html' %}
Your digital and personalized HOLDHAND store. Here you will find shirts, pants, blouses, accessories, caps and key chains. Feel free to contact us!
All the following data will be mandatory to reset your password on the HOLDHAND website


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Summary An elevator ride provides the chance meeting between Corky (Gina Gershon) and Violet (Jennifer Tilly). There is an instant attraction between them. They don't speak, probably because Violet is not alone.  Corky was recently released from prison and managed to find work performing building maintenance on the apartment complex were Violet and Caesar live. It is not long before the two women speak, and their obvious attraction leads to a passionate love affair. Through their conversations we learn more about them. Violet is basically a full time escort for Caesar, even though she doesn't let that stop her from having other clients while Caesar is away.  Corky is a lesbian and served time for theft and is apparently very good with power tools. The women fall in love. Caesar informs Violet that another member of the Mafia is suspected of stealing money from the Mafia boss, Gino Marzzone (Richard C. Sarafian). The unfortunate suspect is Shelly (Barry Kivel), a client of Violets who is dealt with severely by Caesar and relinquishes two million dollars that he had stolen. Caesar has to clean the money (which was covered with Shelly's blood), count it and turn it over to Gino. Violet and Corky decide to try to steal the money. They concoct a plan that would not only allow them to get away with the cash, but set up Caesar so that it would appear that he took it, forcing him to run for his life. Although the plan seemed like a great idea, the execution of it becomes the women's worst nightmare, as every possible wrong turn, bad timing and bad luck arises, putting their lives in extreme danger.
Commentary I can't recall a film where the last hour was so absolutely riveting. A great edge-of-your seat thriller the keeps the adrenaline flowing. But this isn't just a thriller, it has elements of black comedy, a love story, and noir. That is not to say that the setup isn't well done - it is, but it's the incredible final two-thirds of the film that stick in your mind. Very compelling characters, especially Caesar, who by usual movie standards should be the dimwitted Mafia hood bad guy, and Violet, who appears to be the stereotypical bimbo. Both characters show a surprising intelligence and depth, and are well played by Pantoliano and Tilly. There is such good acting in this film that I could mention every performance, but the only other character I will single out is Micky (played wonderfully by John P. Ryan), as a Mafia enforcer who steals most of his scenes, including a great scene at the end, where he conveys his feelings to Violet by facial expression alone, without making a sound. It was incredible acting. I also wanted to take a quick moment to plug the DVD format. The DVD for Bound is top notch. Not only does the picture and sound do the format justice, but it includes the best director commentary I have heard, as the Wachowski brothers are joined by all three of the leading stars for the narrative. There is a great comment where Jennifer Tilly explains how, during a screening of the film the violent outcome with Shelly is edited out (if you saw it, you know what I am talking about). Because of this edit, a later scene involving Caesar threatening Violet in the same manner didn't have nearly the same dramatic effect. If anything, it proves the importance of good film editing. There are many different elements to this film that contribute to its great style. It seems most of the scenes were shot in one extreme (dark rooms with many shadows) to another (very bright blinding bathrooms). There are also trick shots like Gino's slow fall to the floor, Caesar's panic-stricken stumble after opening his briefcase (he had a camera strapped to his belly), and a slow pan out to reveal the direct view into a gun barrel. All of these elements do the film justice to create a mood all its' own. It is refreshing to see first time directors taking these chances and having confidence in the script. An absolute must see film. One of the best films of 1996.
Bound ***** (out of five)
Directed by Larry & Andy Wachowski Violet................Jennifer Tilly Corky.................Gina Gershon Caesar................Joe Pantoliano Gino..................Richard C. Sarafian Johnnie...............Christoper Meloni Micky.................John P. Ryan Shelly................Barry Kivel
Written by Randy Turgeon, March 4, 1998.
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


--- layout: post authors: ["Greg Wilson"] title: Announcing a Bootcamp for Women in Science and Engineering date: 2013-04-07 time: "09:00:00" tags: ["Women in Science and Engineering"] ---
On June 24-25, 2013, Software Carpentry will run a computing skills bootcamp in Boston for women in science, engineering, and medicine. With three rooms and six instructors, it will be one of the biggest events we've ever done.
bootcamps alternate short tutorials with hands-on practical exercises. Learners are taught tools and concepts they can use immediately to increase their productivity and improve confidence in their results. Topics covered include the Unix shell, version control, basic Python programming, testing, and debugging—the core skills needed to write, test and manage research software.
This bootcamp is open to women at all stages of their research careers, from graduate students, post-docs, and faculty to staff scientists at hospitals and in the public, private, and non-profit sectors. Registration is only $20; to sign up, or find out more, please visit the registration page or email {{site.contact}}. And if you would like to volunteer to help during practical sessions on either or both days, please contact us as well.
This bootcamp has been made possibly by support from the Alfred P. Sloan Foundation, the Mozilla Foundation, Microsoft, Intel, the King Abdullah University of Science and Technology, the Python Software Foundation, NumFOCUS, and several generous individuals.
Armed with a single introductory C++ course, I did a master's degree and several years of consulting work on spatial simulation models before taking Software Carpentry. Long, slow, frustrating experiences left me well prepared to appreciate this course. What has changed? I work more quickly, and re-use my own code; I find more errors, and spend less time fixing them; I trust my results more; I don't mind revisiting and revising old work; collaborators and potential employers are more impressed; and I'm happier.
— Josie Hughes develops models of mountain pine beetles and other outbreaking forest insects


Make Things and Break Things
Whether a web app or a mobile app or just some random thought that could possibly solve a real world problem , we're excited to see what you make and how you make. You can create the next big tech thing in the world. The winners will have a chance to become a part of the HACKSQUAD.


HYPE SENSITIVE PHOTOGRAPHY – WHICH PICS WILL STAND THE TEST OF TIME?
Ups...!
Sorry we will back ASAP! We are currently on maintenance mode!


-- 1) Add a title 1.2) Add Images of animals 1.3)Images of animals links to the wikipedia 1.4) add images for the animals -->
Welcome to our animals. Have a look at our furry animals


{% extends "tutorial.html" %} {% block head %} {% endblock %} {% block browsersupport %} Operasupported Internet Explorersupported Safarisupported Firefoxsupported Chromesupported {% endblock %} {% block content %}
One of the features of today's complex device landscape is that there's a very wide range of screen pixel densities available. Application developers need to support all of these screens, which is quite challenging. On the mobile web, the challenges are compounded by several extenuating circumstances:
The goal of here is to serve the best quality apps as quickly and efficiently as possible. This article will cover some useful techniques for doing this today and in the near future.
Before opening this can of worms, remember that the web has many
powerful technologies that are largely resolution- and DPI-independent.
Specifically, text, SVG and much of CSS will "just work" because of the
automatic pixel scaling feature of the web (via devicePixelRatio
).
That said, you can't always avoid raster images. For example, you may be given assets that would be quite hard to replicate in pure SVG/CSS, or you are dealing with a photograph. While you could convert the image into SVG automatically, vectorizing photographs makes little sense because the scaled-up version wouldn't look good.
In the early days, computer displays had a pixel density of 72 or 96dpi (dots per inch).
Displays gradually improved in pixel density, largely driven by the mobile use case, in which users generally hold their phones closer to their face, making pixels more visible. By 2008, 150dpi phones were the new norm. The trend in increased display density continued, and today's new phones sport 300dpi displays (branded "Retina" by Apple).
The holy grail, of course, are displays in which pixels are completely invisible. For the phone form factor, the current generation of Retina/HiDPI displays may be close to that ideal. But new classes of hardware and wearables will continue to drive increased pixel density.
In practice, low density images look the same on new screens as they did on old ones, but compared to the crisp imagery high density users are used to seeing, the low density image will look jarring and pixelated:
When the web was designed, 99% of displays were 96dpi (or pretended to be), and few provisions were made for variation on this front. More recently, the HTML specification tackled some of the problem by defining a reference pixel:
It is recommended that the reference pixel be the visual angle of one pixel on a device with a pixel density of 96dpi and a distance from the reader of an arm's length. For a nominal arm's length of 28 inches, the visual angle is therefore about 0.0213 degrees.
Though somewhat awkward, browser and device vendors tend to roughly follow this guideline, sizing pixels according to this angular definition. Wait, but what does "sizing pixels" mean? Since nobody except the screen's hardware manufacturer can affect the physical properties of your screen, we need a notion of logical pixels, to abstract the physical screen pixels. This isn't a new concept by any stretch – simply consider what happens when you change the resolution on your display.
The web's pixels are logical too. Luckily the conversion between logical and physical (at least, as far as the browser knows) pixels is straightforward, expressed through the device pixel ratio:
physicalPixels = window.devicePixelRatio * virtualPixels
So, every pixel gets automatically scaled according to the formula above.
For example, on a device with devicePixelRatio = 2
, every time you
say "100px", that gets scaled by a 2 to render as 200 physical pixels.
 You have a 180 DPI screen and want to follow the spec. The calculation takes three steps:
As per the spec, we know that at 28 inches, we want there to be 96
virtual pixels per inch. However, since it's a smartphone, we might find
that people hold our phone closer to their screen than a laptop. Let's
estimate that distance to be 18 inches. Thus the virtual density for
the device is (28/18) * 96
, which is approximately 150 pixels per inch
(ppi).
So, we have a pixel size of 150ppi, but our device has its own constraints: a physical DPI of 180ppi. In other words, every inch contains 180 physical pixels and 150 virtual ones. To convert between the two, we take the ratio, reversing the equation above.
devicePixelRatio = physicalPixels / virtualPixels
~= 180 / 150 = 1.2
Historically, device vendors have tended to round devicePixelRatios
(DPRs). Apple's iPhone and iPad report DPR of 1, and their retina
equivalents report 2. Relatively round ratios can be better because they
may lead to fewer sub-pixel artifacts. However, the reality
of the device landscape is much more varied, and Android phones often
have DPRs of 1.5. The Nexus 7 tablet has a DPR of ~1.33, which was
arrived at by a calculation similar to the one above. Expect to see
more devices with variable DPRs in the future. Because of this, you
should never assume that your clients will have integer DPRs.
There are many many techniques for solving the problem of showing the best quality images as fast as possible, broadly falling into two categories: optimizing single images, and optimizing selection between multiple images.
Single image approaches: use one image, but do something clever with it. These approaches have the drawback that you will inevitably sacrifice performance, since you will be downloading HiDPI images even on older devices with lower DPI.
Multiple image approaches: use multiple images, but do something clever to pick which to load. These approaches have inherent overhead for the developer to create multiple versions of the same asset and then figure out a decision strategy. Here are the options:
image-set()
,
)Images already comprise a whopping 60% of bandwidth spent downloading an average website. By serving HiDPI images to all clients, we will increase this number. How much bigger will it grow?
Here are a few data points:
I ran some tests which generated 1x and 2x image fragments with JPEG quality at 90, 50 and 20. Here are the original images, and the shell script I used (employing ImageMagick):
Turns out that compressing gives pretty good results, but of course incurs image quality penalties, which you can see quite clearly if you view the above images close up. These artifacts may not be acceptable in cases where high quality images are key. Of course, JPEGs (covered above) are just one option. There are many tradeoffs between existing widely implemented image formats. One particular image format is on the horizon too, which brings us to...
WebP is a pretty compelling image format that compresses very well while keeping high image fidelity. Of course, it's not quite implemented everywhere yet!
One way is check for WebP support is via JavaScript. You load a 1px image via data-uri, wait for either loaded or error events fired, and then verify that the size is correct:
var hasWebP = false;
(function() {
var img = new Image();
img.onload = function() {
hasWebP = !!(img.height > 0 && img.width > 0);
};
img.onerror = function() {
hasWebP = false;
};
img.src = 'http://www.gstatic.com/webp/gallery/1.webp';
})();
(borrowed from this StackOverflow question)
A better way of doing this is directly in CSS using the image() function. So if you have a WebP image and JPEG fallback, you can write the following:
#pic {
background: image("foo.webp", "foo.jpg");
}
There are a few problems with this approach. Firstly, image()
is not
at all widely implemented. Secondly, while WebP compression blows JPEG
out of the water, it's still a relatively incremental improvement –
about 30% smaller based on this WebP gallery. Thus, WebP
alone isn't enough to address the high DPI problem.
Progressive image formats like JPEG 2000, Progressive JPEG, Progressive PNG and GIF have the (somewhat debated) benefit of seeing the image come into place before it's fully loaded. They may incur some size overhead, though there is conflicting evidence about this. Jeff Atwood claimed that progressive mode "adds about 20% to the size of PNG images, and about 10% to the size of JPEG and GIF images". However, Stoyan Stefanov claimed that for large files, progressive mode is more efficient (in most cases).
At first glance, progressive images look very promising in the context of serving the best quality images as fast as possible. The idea is that the browser can stop downloading and decoding an image once it knows that additional data won't increase the image quality (ie. all of the fidelity improvements are sub-pixel).
While connections are easy to terminate, they are often expensive to restart. For a site with many images, the most efficient approach is to keep a single HTTP connection alive, reusing it for as long as possible. If the connection is terminated prematurely because one image has been downloaded enough, the browser then needs to create a new connection, which can be really slow in low latency environments.
One workaround to this is to use the HTTP Range request, which lets browsers specify a range of bytes to fetch. A smart browser could make a HEAD request to get at the header, process it, decide how much of the image is actually needed, and then fetch. Unfortunately HTTP Range is poorly supported in web servers, making this approach impractical.
Finally, an obvious limitation of this approach is that you don't get to choose which image to load, only varying fidelities of the same image. As a result, this doesn't address the "art direction" use case.
The first, and most obvious approach to deciding which image to load is
to use JavaScript in the client. This approach lets you find out
everything about your user agent and do the right thing. You can
determine device pixel ratio via window.devicePixelRatio
, get screen
width and height, and even potentially do some network connection
sniffing via navigator.connection or issuing a fake request, like the
foresight.js library does. Once you've collected all of
this information, you can decide which image to load.
There are approximately one million JavaScript libraries that do the above, and unfortunately none of them are particularly outstanding.
One big drawback to this approach is that using JavaScript means that you will delay image loading until the after the look-ahead parser has finished. Which essentially means that you're blocking on page load. More on this in Jason Grigsby's article.
You can defer the decision to the server-side by writing custom request handlers for each image you serve. Such a handler would check for retina support based on User-Agent (the only piece of information relayed to the server). Then, based on whether the server-side logic wants to serve HiDPI assets, you load the appropriate asset (named according to some known convention).
Unfortunately, the User-Agent doesn't necessarily provide enough information to decide whether a device should receive high or low quality images. Also, it goes without saying that anything related to User-Agent is a hack and should be avoided if possible.
Using CSS media queries, because you declare what things you want to
have happen.  In addition to the most
common use of media queries - checking for page size - you can also
check for devicePixelRatio
. The media query is device-pixel-ratio, and
has associated min and max variants, as you might expect. If you want to
load high DPI images if the device pixel ratio exceeds a threshold,
here's what you might do:
#my-image { background: (low.png); }
@media only screen and (min-device-pixel-ratio: 1.5) {
#my-image { background: (high.png); }
}
It gets a little more complicated with all of the vendor prefixes mixed in, especially because of insane differences in placement of "min" and "max" prefixes:
@media only screen and (min--moz-device-pixel-ratio: 1.5),
(-o-min-device-pixel-ratio: 3/2),
(-webkit-min-device-pixel-ratio: 1.5),
(min-device-pixel-ratio: 1.5) {
#my-image {
background:url(high.png);
}
}
With this approach, you regain the benefits of look-ahead parsing, which was lost with the JS solution. You also gain the flexibility of choosing your responsive breakpoints (eg. you can have low, mid and high DPI images), which was lost with the server-side approach.
Unfortunately it's still a little unwieldy, and leads to strange looking
CSS (or requires preprocessing). Also, this approach is restricted to
CSS properties, so there's no way to set an
, and your images
must all be elements with a background. Finally, by relying strictly on
device pixel ratio, you can end up in situations where your High-DPI
smartphone ends up downloading a massive 2x image asset while on an EDGE
connection. This isn't the best user experience.
There's been a lot of recent discussion around web platform support for
the high DPI image problem. Apple recently broke into the space,
bringing the image-set() CSS function to WebKit. As a result, both
Safari and Chrome support it. Since it's a CSS function, image-set()
doesn't address the problem for
tags. Enter
@srcset, which addresses this issue but (at the time of
writing) has no reference implementations (yet!). The next section goes
deeper into image-set
and srcset.
Ultimately, the decision about which approach you take depends on your
particular requirements. That said, keep in mind that all of them have
drawbacks. Looking forward, however, once image-set
and srcset are
widely supported, they will be the appropriate solutions to this
problem. For the time being, let's talk about some best practices that
can bring us as close to that ideal future as possible.
Firstly, how are these two different? Well, image-set()
is a CSS
function, appropriate for use as a value of the background CSS property.
srcset is an attribute specific to
elements, with similar syntax.
Both of these tags let you specify image declarations, but the srcset
attribute lets you also configure which image to load based on viewport
size.
The image-set()
CSS function is available prefixed as
-webkit-image-set()
. The syntax is quite simple, taking a one or more
comma separated image declarations, which consist of a URL string or
url()
function followed by the associated resolution. For example:
background-image: -webkit-image-set(
url(icon1x.jpg) 1x,
url(icon2x.jpg) 2x
);
What this tells the browser is that there are two images to choose from. One of them is optimized for 1x displays, and the other for 2x displays. The browser then gets to choose which one to load, based on a variety of factors, which might even include network speed, if the user-agent is smart enough (not currently implemented as far as I know). Instead of specifying Nx, you can also specify a certain device pixel density in dpi.
This works well, except browsers that don't support the
-webkit-image-set
will have no image as a result. Use a fallback (or
series of fallbacks) to address that issue:
background-image: url(icon1x.jpg);
background-image: -webkit-image-set(
url(icon1x.jpg) 1x,
url(icon2x.jpg) 2x
);
/* This will be useful if image-set gets into the platform, unprefixed.
Also include other prefixed versions of this */
background-image: image-set(
url(icon1x.jpg) 1x,
url(icon2x.jpg) 2x
);
The above will load the appropriate asset in browsers that support
image-set, and fall back to the 1x asset otherwise. The obvious caveat
is that while image-set()
browser support is low, most user agents will
get the 1x asset.
This demo uses the image-set()
to load the correct
image, falling back to the 1x asset if this CSS function isn't
supported.
At this point, you may be wondering why not just polyfill image-set()
and call it a day? As it turns out, it's quite difficult to implement
efficient polyfills for CSS functions. (For a detailed explanation why,
see this www-style discussion).
Here is an example of srcset:

As you can see, in addition to x declarations that image-set
provides,
the srcset element also takes w and h values which correspond to the
size of the viewport, attempting to serve the most relevant version. The
above would serve banner-phone.jpeg to devices with viewport width under
100px, banner-phone-HD.jpeg to small screen high DPI devices,
banner-HD.jpeg to high DPI devices with screens greater than 100px, and
banner.jpeg to everything else.
Because the srcset attribute on img elements is not implemented in most
browsers, it may be tempting to replace your img elements with

s
with backgrounds and use the image-set approach. This will work, with
caveats. The drawback here is that the
tag has long-time
semantic value. In practice, this is important mostly for web crawlers
and accessibility reasons.
If you end up using -webkit-image-set
, you might be tempted to use the
background CSS property. The drawback of this approach is that you need
to specify image size, which is unknown if you are using a non-1x image.
Rather than doing this, you can use the content CSS property as follows:

This will automatically scale the image based on devicePixelRatio. See
this example of the above technique in action,
with an additional fallback to url()
for browsers that don't support
image-set
.
One handy feature of srcset
is that it comes with a natural fallback.
In the case where the srcset attribute is not implemented, all browsers
know to process the src attribute. Also, since it's just an HTML
attribute, it's possible to create polyfills with
JavaScript.
This polyfill comes with unit tests to ensure that it's as close to the [specification][srcset] as possible. In addition, there are checks in place that prevent the polyfill from executing any code if srcset is implemented natively.
This is a demo of the polyfill in action.
There is no magic bullet for solving the problem of high DPI images.
The easiest solution is to avoid images entirely, opting for SVG and CSS instead. However, this isn't always realistic, especially if you have high quality imagery on your site.
Approaches in JS, CSS and using the server-side all have their strengths
and weaknesses. The most promising approach, however, is to leverage new
browser features. Though browser support for image-set
and srcset
is
still incomplete, there are reasonable fallbacks to use today.
The best approach you can take is to use image-set()
with fallbacks to
regular images, and srcset
with a polyfill. If you are willing to
compromise on image quality, it may be worthwhile to consider serving
heavily compressed 2x images.


Last round winners:
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Last round winners:
| # | Address | paid |
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Contract address:
Last round winners:
| # | Address | paid |
|---|---|---|
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Contract address:
| # | Address | paid |
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Driver for Sentinel products. Currently supports only Sentinel-1 SAR products. See also the GDAL Sentinel-2 driver
SENTINEL data products are distributed using a SENTINEL-specific variation of the Standard Archive Format for Europe (SAFE) format specification. The SAFE format has been designed to act as a common format for archiving and conveying data within ESA Earth Observation archiving facilities.
The SAFE driver will be used if the manifest.safe or the containing directory is selected, and it can treat all the imagery as one consistent dataset.
The SAFE driver also reads geolocation grid points from the metadata and represents them as GCPs on the dataset.
ESA will be distributing other satellite datasets in this format; however, at this time this driver only supports specific Sentinel-1 SAR products. All other will be ignored, or result in various runtime errors.
If the product contains multiple measurements (for example multiple polarizations), each one is available as a raster band - if the swath is the same. When the swath is the same, the geographic area is the same.
If the product contains multiple swaths and multiple polatizations, the driver shows the first swath by default. To access other swaths, the user must select a specific subdataset.
$ gdalinfo S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE/manifest.safe
Driver: SAFE/Sentinel-1 SAR SAFE Product Files: S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE/manifest.safe S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE/measurement/s1a-iw-grd-vh-20150705t064241-20150705t064306-006672-008ea0-002.tiff S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE/measurement/s1a-iw-grd-vv-20150705t064241-20150705t064306-006672-008ea0-001.tiff Size is 256, 167 Coordinate System is `' GCP Projection = GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4326"]] GCP[ 0]: Id=1, Info= (0,0) -> (-8.03500070209827,39.6332161725022,141.853266630322) Metadata: ACQUISITION_START_TIME=2015-07-05T06:42:41.504840 ACQUISITION_STOP_TIME=2015-07-05T06:43:06.503530 BEAM_MODE=IW BEAM_SWATH=IW FACILITY_IDENTIFIER=UPA_ LINE_SPACING=1.000655e+01 MISSION_ID=S1A MODE=IW ORBIT_DIRECTION=DESCENDING ORBIT_NUMBER=6672 PIXEL_SPACING=1.000000e+01 PRODUCT_TYPE=GRD SATELLITE_IDENTIFIER=SENTINEL-1 SENSOR_IDENTIFIER=SAR SWATH=IW Subdatasets: SUBDATASET_1_NAME=SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW_VH SUBDATASET_1_DESC=Single band with IW swath and VH polarization SUBDATASET_2_NAME=SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW_VV SUBDATASET_2_DESC=Single band with IW swath and VV polarization SUBDATASET_3_NAME=SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW SUBDATASET_3_DESC=IW swath with all polarizations as bands Corner Coordinates: Upper Left ( 0.0, 0.0) Lower Left ( 0.0, 167.0) Upper Right ( 256.0, 0.0) Lower Right ( 256.0, 167.0) Center ( 128.0, 83.5) Band 1 Block=256x16 Type=UInt16, ColorInterp=Undefined Metadata: POLARISATION=VH SWATH=IW Band 2 Block=256x16 Type=UInt16, ColorInterp=Undefined Metadata: POLARISATION=VV SWATH=IW
$ gdalinfo S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE
$ gdalinfo SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW_VV
Driver: SAFE/Sentinel-1 SAR SAFE Product Files: S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE/manifest.safe S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE/measurement/s1a-iw-grd-vh-20150705t064241-20150705t064306-006672-008ea0-002.tiff Size is 256, 167 Coordinate System is `' GCP Projection = GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4326"]] GCP[ 0]: Id=1, Info= (0,0) -> (-8.03500070209827,39.6332161725022,141.853266630322) Metadata: ACQUISITION_START_TIME=2015-07-05T06:42:41.504840 ACQUISITION_STOP_TIME=2015-07-05T06:43:06.503530 BEAM_MODE=IW BEAM_SWATH=IW FACILITY_IDENTIFIER=UPA_ LINE_SPACING=1.000655e+01 MISSION_ID=S1A MODE=IW ORBIT_DIRECTION=DESCENDING ORBIT_NUMBER=6672 PIXEL_SPACING=1.000000e+01 PRODUCT_TYPE=GRD SATELLITE_IDENTIFIER=SENTINEL-1 SENSOR_IDENTIFIER=SAR SWATH=IW Subdatasets: SUBDATASET_1_NAME=SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW_VH SUBDATASET_1_DESC=Single band with IW swath and VH polarization SUBDATASET_2_NAME=SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW_VV SUBDATASET_2_DESC=Single band with IW swath and VV polarization SUBDATASET_3_NAME=SENTINEL1_DS:S1A_IW_GRDH_1SDV_20150705T064241_20150705T064306_006672_008EA0_24EE.SAFE:IW SUBDATASET_3_DESC=IW swath with all polarizations as bands Corner Coordinates: Upper Left ( 0.0, 0.0) Lower Left ( 0.0, 167.0) Upper Right ( 256.0, 0.0) Lower Right ( 256.0, 167.0) Center ( 128.0, 83.5) Band 1 Block=256x16 Type=UInt16, ColorInterp=Undefined Metadata: POLARISATION=VH SWATH=IW
$ gdalinfo S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE
Driver: SAFE/Sentinel-1 SAR SAFE Product Files: S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE/manifest.safe S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE/measurement/s1a-ew1-slc-hh-20150226t010823-20150226t010859-004787-005f2b-001.tiff Size is 6871, 14016 Coordinate System is `' GCP Projection = GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4326"]] GCP[ 0]: Id=1, Info= (0,0) -> (-26.9158879633399,-76.5938687850829,250.211451298701) GCP[ 1]: Id=2, Info= ...suppressed output... GCP[272]: Id=273, Info= (6870,14015) -> (-35.4972634588715,-75.5331533717809,0) Metadata: ACQUISITION_START_TIME=2015-02-26T01:08:23.095253 ACQUISITION_STOP_TIME=2015-02-26T01:09:02.335069 BEAM_MODE=EW BEAM_SWATH=EW1 FACILITY_IDENTIFIER=ESRIN headquarters LINE_SPACING=1.992087e+01 MISSION_ID=S1A MODE=EW ORBIT_DIRECTION=ASCENDING ORBIT_NUMBER=4787 PIXEL_SPACING=5.990303e+00 PRODUCT_TYPE=SLC SATELLITE_IDENTIFIER=SENTINEL-1 SENSOR_IDENTIFIER=SAR SWATH=EW1 Subdatasets: SUBDATASET_1_NAME=SENTINEL1_DS:S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE:EW1_HH SUBDATASET_1_DESC=Single band with EW1 swath and HH polarization SUBDATASET_2_NAME=SENTINEL1_DS:S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE:EW2_HH SUBDATASET_2_DESC=Single band with EW2 swath and HH polarization SUBDATASET_3_NAME=SENTINEL1_DS:S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE:EW3_HH SUBDATASET_3_DESC=Single band with EW3 swath and HH polarization SUBDATASET_4_NAME=SENTINEL1_DS:S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE:EW4_HH SUBDATASET_4_DESC=Single band with EW4 swath and HH polarization SUBDATASET_5_NAME=SENTINEL1_DS:S1A_EW_SLC__1SSH_20150226T010823_20150226T010902_004787_005F2B_E43E.SAFE:EW5_HH SUBDATASET_5_DESC=Single band with EW5 swath and HH polarization Corner Coordinates: Upper Left ( 0.0, 0.0) Lower Left ( 0.0,14016.0) Upper Right ( 6871.0, 0.0) Lower Right ( 6871.0,14016.0) Center ( 3435.5, 7008.0) Band 1 Block=7852x1 Type=CInt16, ColorInterp=Undefined Metadata: POLARISATION=HH SWATH=EW1
Currently the driver does not apply calibration information.


We are in a video game. I was raised as a Muslim and still am. But since childhood, I always wondered that we believe that God made us and this world, but who made God? All the religious people will say that God is and will always be but I have not found a satisfying answer yet. If we talk to Atheists, they say that it is all made up and there is no God. This world came into existence because of the Big Bang but how did Big Bang happened? They might answer due to the quantum fluctuations in the time space but how did that happened? So it goes on and on. You must stop somewhere to feel satisfied.
In short, you just stop where you think is right to stop. What do you think of this guy named “Mario” .
Is he an Atheist or a Religious person? The answer is not known but he was programmed by someone and the game world was assembled by a bunch of people. But Mario has no idea about who created him and how did he end up in his world. There is a possibility that we are also created in the same way by a creator who most of us know as “God”.
Let us take another example of an Elephant in a zoo. It is in that zoo since it was born and spends its whole life there and then dies. He never thought of anything outside its zoo and don’t know that there exists a world outside its zoo. It never thought that there is a zoo manager that manages the whole zoo and all the animals in there. Zoo manager is far more intelligent than the Elephant. So, I don’t understand sometimes that why some Atheists are so arrogant and think that there can be no possibility of God. You can not just rule it out.
In video games, there are Non-Playable Characters (NPC’s) and Playable Characters (PC’s). If we consider this world as a single player game, then only we can control ourselves and all the other things in this world are NPC’s. But can we do something here that can change things in the Computer that simulated us?
If we consider the possibility of a video game like Mario, that character has some address in the computer memory and if it takes too much space it can blow up the computer in the worst case. Therefore, should we strive in this world for power over people or power over nature?
Most of us just keep focusing on the things in this world but what separates religious ideologies is that they focus on the things that can be out of this world. Have you heard of the term Magic? I am sure you did. Most of you might also imagine that if you were in a Harry Potter universe, you would have worked so hard just to get your Magic tricks right. But let me tell you that you probably can do the same in this world too. The alternative term for Magic in our world can be programming. The computer power and accessories that we have today, anyone if they want, can make a lot of cool things. But if we keep on using this magic to just take control over people, we as human species can go distinct much sooner.
There is also a paper named as “Are you living in a Computer Simulation” by Nick Bostrom. He argues that there can be only one of three possibilities that can be true about this world. These three options are:
1. Almost all advanced civilizations go extinct before achieving technological maturity.
2. Technologically mature civilization lose interest in creating ancestor simulation.
3. We are living in a simulation.
If two of these are false, then the third one has to be true. The paper also argues that the fraction that of all the people with our kind of experiences that are living in a simulation is very close to one. Check out the link to this paper, if you want to read it in detail.
References:
1. https://www.simulation-argument.com/simulation.pdf


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R.I.C.K.


A JXTA {@link net.jxta.resolver.ResolverService} implementation which implements the standard JXTA Endpoint Resolver Protocol (ERP). @see net.jxta.resolver.ResolverService @see
JXTA Protocols Specification : Endpoint Resolver Protocol


Issues in Tech
11/1/14
Nowadays, internet is so readily available that whenever we have questions, we turn to the internet for answers. The internet has become our one stop shop for solutions to our wildest and most unexplained questions. In one hand, it is a great thing! The idea of people sharing their facts, thoughts and opinions with others provides more and more data for everyone to see! On the other hand, people are making it a habit to "google" the questions for the answers they are seeking. What does this mean for education?
Do you have gramatically incorrect errors in your essay? NO PROBLEM. AUTOCORRECT. Looking for solutions for the homework due tomorrow because you spent the entire weekend partying? NO PROBLEM. GOOGLE CAN HELP YOU FIND IT.The fact that we are now digitizing anything and everything, making material available to anyone on the web, can become a problem. The younger generation no longer places spelling as a priority because they know they can run spell check and correct their entire document. Students know they can probably find the exact homework problem and solution online so they are proned to copy and pasting answers without actually understanding the basis of the problem. Habits are taught and stick on to the mind when people are young. Imagine what would happen when they are asked to solve or do something WITHOUT the internet or computer.
Like they say, habits are hard to break.