The algorithm takes as input a matrix whose lines are the users and whose columns are the slots.
The matrix is filled in with non-negative integers describing the wishes of the users, which we can call "grades". A small number means that the user would be very satisfied if put in this slot, and a high number means that the user would be disappointed if put in this slot. For a given arrangement of the users in the slots, one can determine a "penalty": it is the sum of the squares of the "grades" that each user has considering in which slot he/she is placed.
A maximum and minimum number of users is associated to each slot. We use the Hungarian algorithm to minimize the penalty under these constraints.
To ensure that everyone has a fair chance of having his/her favorite slot, some rules must be imposed on the choices of the users. Indeed, one could manipulate the results by setting all slots to "hated" but one. A simple solution to this problem is to impose that the user strictly orders all the slots. However, this can be uncomfortable from the user’s point of view, and besides no default value can replace a user who chooses not to set his/her wishes.
Therefore, another solution was found. Assume there are n slots. Then, the gradation from wanted to hated is 0, 1, 2,...n-1. Then the rule goes as follows:
Therefore, the default setting of the wishes is to have grade 0 for each slots. This corresponds to somebody having no preferences.
When the users are setting their wishes, the sliders automatically prevent unfair wishes.
Initially this algorithm was intended to put people in slots for an oral exam. It could happen that some people simply mustn't be put in some slots because they have another exam at this time. In such a case, it’s nice to be able to avoid the problem by putting a very high grade to the slots that the person mustn't be put in. Therefore, the administrator has access to the choices of all the users and can modify them upon request (see Administration page).
To ensure that the users don’t change their wishes to trick the system, it’s good if they don’t know what the preferences of the other users are. Therefore, a unique key is randomly generated for each user. An url is then created using this key, which gives to the user a private access to his/her wish page.
The aim of the algorithm is to arrange people in various slots. It’s not the aim to put all people in the same slot.
It’s not that easy to modify the algorithm to put each person in two slots.
If you are not sure how to use some features on the pages of the wish website, try keeping the mouse on this feature. In most cases, a "tip" can appear informing you about how the feature works.
Before setting your wishes, you might want to take a look at the Rules to ensure fair choices above.
Online/offline When it is not possible to contact the participants by email, the website can still be used in its "offline" shape. The offline page is very similar to the administration page, except the pseudocode is not automatically written down (though there is an example to help). Please have a look at the help about the admin page for more info.
Number of slots If you give too many slots, it will become a bit inconvenient for the users to set their wishes. If you are organizing an oral exam with a lot of students, a good solution is to gather three passage times in one slot and fit three people in the slot.
Mailing list The mailing list should contain the e-mail of each of the participants to the event. If the administrator intends to be put in a slot to, his/her mail should be on the list too.
This list will be used to send the following mails:
Once an event has been created, the administrator receives an e-mail containing a link to the admin page. Once the administrator accesses this page, it is possible to send the invitation mail to all the participants, who will receive a private url to a page allowing them to set their choices.
The administration pages in the online and offline versions are very similar. The main item is a "problem settings" area, allowing to input all the parameters of the problem. There are as well two buttons, one to save the settings and the other ("compute assignation") to perform the computations and assign the participants in various slots. The "Assignation" area presents the results. In the online case, additional features allow to send news to the participants or to send them a reminder if they haven't participated yet.
Problem settings This area contains both the informations about the slots and the participants. Indeed, the list of the slots names is given along with the minimal and maximal number of participants allowed in each one. The list of the participants names/emails along with their preferences is given as well. In the online case, this area is automatically filled in with the parameters defined when creating the page and automatically updated when the users change their wishes. This area can always be modified by the administrator, who can add and remove slots or participants, change the quotas in the slots and change the wishes of the participants if needed (for instance, when a person has two exams on the same day, the administrator can but a high grade to the slots which are inconvenient for the student, so that he/she cannot fall into these). In the offline case, the administrator must enter the complete settings, including the wishes of the participants.
Save When the admin modifies the problem settings, it might affect some participants. This button allows to save the settings. In the online case, after saving the new data to the server, it will propose you to send mails to participents that has been added or to inform all the participants that a slot have been modified.
Send reminder In the online case, the admin can send a reminder to users who didn't yet set their wishes.
Compute assignation In both the online and offline cases, this button allows to compute the results and display them in the "assignation" area.
Assignation area This area is split in two parts: the "statistics" and the actual "results". The results give for each participant the title of the slot where he/she has been placed as well as the place it hold in his/her "wish list" (0 is best). The statistics describe for each slot as well as in total
Send results This button allows to send a personal email to each participant to give them their result. It will as well send a mail to the admin of the event with all the assignations.
Contact us on GitHub: github.com/agepoly/wish


Cacti - T. pachanoi & Cannabis
I had a phenomenal experience with San Pedro a few days ago. It had been a long time since I had explored anything other than mushrooms and herb, and I was extremely excited to try San Pedro, as were my friends. We did it in my house, where there was no danger of distractions. I had prepared pillows and soft pads all over the floor of one room, putting in red lights, which, in addition to the living room, gave us two comfortable areas to be in.
We all removed the spines, peeled the skin, and started to eat the green area directly under the skin. My friend M and I shared a 16 inch cactus, and everyone else had much smaller doses. The taste was initially quite bitter, but palatable. However, after eating about half of our desired doses, it seemed that our taste buds became saturated with bitterness, and each bite became a chore. We ended up running the remaining portions through a juicer, mixed with watermelon and ginger, and M drank his slowly. I though it might be interesting to add the white, central portion to my juice, and regretted it immensely, as it was far more bitter than M's. I managed to drink some of it, but it eventually proved too much for me, and I gave up.
I felt a slight alteration in my perception after about 30 minutes, but after even 3 hours it hadn't grown to anywhere near the level of experience I had been hoping for. I decided to bring out the mescaline by smoking a hit or two of green. Within a few minutes after smoking, it was clear that I had arrived.
I had some wonderful experiences that night, but it would take pages to describe them in detail. I will summarize them as concisely as I can.
The most pervading effect of the cactus was that I simply had fun.  Walking to the park, I enjoyed myself greatly by reciting spontaneous poetry, playing 'follow the leader', and feeling the cool night air on my skin. In my house, my friends and I laughed, played music, and wrote several group poems (each person writes one line) that varied from wonderful to eccentric to bizarre to horrible, but we had a wonderful time doing it. Unlike a child, however, I had some deeper levels of consciousness directing me to ask the important questions, and to search for truth, even as I was enjoying myself so much at another level.
The visual effects were also sometimes experiential. In other words, there were hallucinations that I saw, and there were others that I experienced more directly. At one point, for example, I looked at a white wall and saw thousands of tiny, shimmering diamonds, all of them radiant, equally spaced. They were the stuff that comprises the universe, I half-believed. Immediately after seeing them, I began to experience them as filling all space, including the space around and inside my body. In fact, it was clear that the border between the inside of my body and the outside meant nothing to these diamonds. They extended infinitely in all directions, intricate, impartial, and the difference between matter and open space was irrelevant to them.
For most of the trip, I felt the flow of time through my body. It reminded me of my LSD trips long ago, except that with acid, the flow of time was choppy and harsh, angular and clean, whereas with San Pedro it was exceedingly gentle and smooth, and flowed lovingly. It seemed to me to be the difference between watching a movie and seeing someone flip the pages of one of those books of drawings that looks like it moves. This was the real thing, and acid was just a caricature of this truth.
At one point, my friends and I were talking, and I said 'it all comes down to this. This moment - every moment - has what you need.' (Quoting Rumi). My friends and I decided that that was the point of all that we were doing ... not just this trip, but all psychedelic experience.
Later in the trip, roughly 9 hours after finishing the cactus, I was getting tired, and so smoked another hit or two of green (marijuana acts as a stimulant for me, believe it or not).  I listened to a CD I had recorded of some spiritual poetry, including Rumi and others, and felt very much at peace. I finally fell asleep around 12 hours after eating the cactus.
The interaction of marijuana and mescaline was fascinating to me. When I am on mushrooms, the marijuana doesn't affect me at all while the 'shrooms are strongly active. On LSD, the pot takes the acid world and multiplies it, but it's still the acid world that I'm in. With San Pedro, however, the effects of both drugs embraced one another, and combined into a single, inseparable, whole effect - and a fantastically pleasant and enlightening one at that.
I learned several things on this trip, but the most important was that I had been too serious for too long. I think that I have already changed my thinking about life, and am enjoying every minute. This is related to the idea that each moment is complete in and of itself, and has what we all need, which is another of the lessons I was granted (or at least reminded of powerfully) by San Pedro.
I look forward to some more experiences with San Pedro, and to learning more about how to respect, even more deeply, this great gift-giver.
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.


They want to share their stories. They want to be able to say, “Look, don’t make the same mistake I did.” What they need is an environment to be able to do that. What they need is a redefined medical culture. And it starts with one physician at a time. The redefined physician is human, knows she’s human, accepts it, isn’t proud of making mistakes, but strives to learn one thing from what happened that she can teach to somebody else.
Software isn’t life or death.
Is software difficult?
I’m going to be found out.
if software.hard?

We all make mistakes.
Ashe Dryden
Speaker, Author, Developer, Diversity Advocate
Johnny Boursquiot
Partner, Technology Director, Software Architect at MAARK
Steve Klabnik
Speaker, Rails Committer, Author, Philosopher
Where do we go from here?
Blameless Postmortems
What actions they took at what time
What effects they observed
Expectations they had
Assumptions they had made
Their understanding of timeline of events as they occurred
Change the conversation.
Encourage team communication
Dev days or half days
Teamwide postmortems
Lunch & Learn
Consultancy? Write a post
Let’s talk about it.
softwareconfessional.com
Conclusion
Mistakes are inevitable
Change the conversation: mistakes should teach
What are we doing as a culture to encourage transparency?


I just finished reviewing a bunch of LEPs, which are the specs Launchpadders write for doing new feature work. I've been looking at a bunch of the privacy LEPs and one on merge queues. It's been great to see such good, clear thinking, and also to see people thinking and writing in terms of constraints and requirements ("What do we want? Why?") instead of implementation or potential solutions.
Basically I've got a bunch of scribbled-on bits of paper right now. Tomorrow I'm going to update the wiki & schedule calls with the developers so we can kick them along.


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Bello, APC forcing INEC, NYSC officials to sign results sheets – PDP
by Success NwoguSuccess Nwogu
The Peoples Democratic Party on Saturday alerted the Independent National Electoral Commission that suspected agents of the Kogi State
Governor, Yahaya Bello, of the All Progressives Congress allegedly were threatening and forcing INEC presiding officers, including NYSC members to endorse prefilled results sheets in favour of the APC, in some local government areas during the elections on Saturday.
The PDP National Publicity Secretary, Mr. Kola Ologbondiyan, in a statement, said the alleged electoral offence occurred in Okene and Okehi local government areas in Kogi Central Senatorial zone.
He alleged that the governor and the APC were desperate to allocate fictitious votes and fabricate results in their favour in the areas.
He said, “Given the magnitude of the manipulation, the PDP urges INEC not to accept any results coming from the Okene and Okehi LGAs as they have already been compromised. Moreover, the PDP and other stakeholders in this election will never accept manipulated results coming from the two local government areas.
“The party also calls on security agencies to immediately detail a reinforced team to Okene and Okehi to save the lives of the presiding officers and the NYSC members from the APC and agents of Yahaya Bello.
“INEC and security officials must take immediate steps to arrest the situation as the development is already causing tension and could lead to the electorate having no option but to resort to self-help in defence of their democratic rights.”
He also urged INEC to note that the APC was allegedly manipulating the electoral process, causing deliberate delays and swapping of election materials, all in a bid to cause confusion in the process.
He said, “For instance, in Kabba/Bunu Okekoko Ward Unit 9, the units have been reduced from two to one, a situation that will lead to disenfranchising of voters to reduce votes belonging to the PDP.
“Also the serial number on the ballot papers brought to the area is different from numbers on ballot papers released in Abuja for the area. Such swapping of ballot papers is a deliberate ploy to cause confusion and derail the electoral process in PDP stronghold.”
He therefore urged INEC to immediately correct all the alleged anomalies as, according to him, every genuine vote cast must be made to count in the election.
Efforts by our correspondent to get the response of Mr Kingsley Fanwo, media aide to Kogi State governor proved abortive as his number indicated it was not available.
Copyright PUNCH.
All rights reserved. This material, and other digital content on this website, may not be reproduced, published, broadcast, rewritten or redistributed in whole or in part without prior express written permission from PUNCH.
Contact: theeditor@punchng.com


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Dashboard - Joining a Community
Dashboard - Creating a Community
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Appointments Today
Residents in the Building
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Dashboard - Community Members
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Dashboard - Time and Weather
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To-Do - Creating a To-Do
To-Do - Occurrence
Hourly
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To-Do - Availability Interval
Hourly
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To-Do - Tie with Issues
To-Do - Deleting a To-Do


# Example gitolite.conf include "mygroups.conf" @admin = user1 user2 @admin =<EMAIL_ADDRESS>repo @all option deny-rules = 1 option hooks.emailprefix = '[%GL_REPO] ' repo myrepo - protected$ = @all # Nobody can push RW+CD = @admin RW = @group1 R = user3@domain.com


Reports ordinal comparisons of
char
values. In an internationalized environment, such comparisons are rarely correct.


India Inc to Assess, Review CSR Impact: NITI Aayog Chairman
Speaking at the 'CSR Impact Conclave' here, Kumar also said that companies should focus on nutrition and innovation as part of their CSR mandate.
New Delhi: Niti Aayog Vice Chairman Rajiv Kumar on Thursday urged India Inc to assess and review the impact of their CSR initiatives.
Speaking at the ‘CSR Impact Conclave’ here, Kumar also said that companies should focus on nutrition and innovation as part of their CSR mandate.
“India has excellent examples of CSR. Going forward, the corporate CSR should focus more on two additional areas like nutrition and innovation as a part of their CSR mandate,” he said.
Kumar further said: “I think corporate must find a way to do well by doing good. ‘Doing good’ must be integrated in business practices in line with conscious capitalism by making self-interest a very small part of our way of doing business.”
The gap between the social good and the corporate good should be studied, he added.
He also urged the National CSR Network to work with the Niti Aayog for an objective impact assessment of the five years of the CSR initiative.
Speaking at the event, the Additional Secretary for Department of Personnel and Training, Srinivas Katikithala said that there is a need for partnership between the government and industry for capacity building to achieve greater impact of CSR projects.
For breaking news and live news updates, like us on Facebook or follow us on Twitter and Instagram. Read more on Business Latest News on India.com.
Story Timeline
- 21 Nov 2019 India Inc to Assess, Review CSR Impact: NITI Aayog Chairman
- 17 Oct 2019 NITI Aayog's India Innovation Index: Karnataka Tops Charts; Chhattisgarh, Bihar in Bottom
- 26 Sep 2019 Onion Prices Will be Back to Normal After November: Niti Aayog Member Ramesh Chand
- 25 Sep 2019 Govt Reconstitutes PM s Economic Advisory Council With Debroy as Chairman Again
Comments - Join the Discussion


Challenge One - Scrape this table!
We're going to start off pretty easily.
Here's a table containing the last ten premiers of Australia, as well as the political party they belonged to. Your task, should you choose to accept it (you will), is to grab each row and to shove it into a database.
For the scraping, I'd suggest you check out lxml, PyQuery or Beautiful Soup. To put the data into a database, Scraperwiki have made a rather nice library for Python called ScraperWiki-Python. So, what are you waiting for?
Scrape it.
| Premier | Party | Years Active |
|---|---|---|
| Kevin Rudd | Labor | 27-6-13 - |
| Julia Gillard | Labor | 24-6-10 - 27-7-13 |
| Kevin Rudd | Labor | 3-12-2007 - 24-6-2010 |
| John Howard | Liberal/Coalition | 11-03-1996 - 3-12-2007 |
| Paul Keating | Labor | 20-12-1991 - 11-03-1996 |
| Bob Hawke | Labor | 11-03-1983 - 20-12-1991 |
| Malcolm Fraser | Liberal/Coalition | 11-11-1975 - 11-03-1983 |
| Gough Whitlam | Labor | 5-12-1972 - 11-11-1975 |
| William McMahon | Liberal/Coalition | 10-03-1971 - 5-12-1972 |
| John Gorton | Liberal/Coalition | 10-01-1968 - 10-03-1971 |


Data Engineer - Redwood City, CA
About the Job
As a rapidly growing start-up, we are implementing the tools and processes we use to run the company and our IoT product base. As a Data Engineer, you will roll up your sleeves to integrate and expand the core systems that run our platform.
About You
Candidates need to have 5+ years of hands-on experience, with proven results in designing, building, integrating and rolling out impactful data infrastructure in support of a growing company.
What You’ll Do
Design and support the application integration between various applications and systems.
Provide analytical rigor to thoroughly analyze business requirements and translate the results into good technical designs.
Design and develop systems automation with future expansion in mind.
Establish the documentation of integration, develops, and maintains technical specification documentation for all processes.
Required Skills and Experience:
4-6 years of hands-on database skills with such technologies as PostgresSQL/RedShift, Glue, or equivalent
3+ years experience with Spark/pySpark, Pandas, numpy, pysql
4-6 years coding in Python with solid understanding of Python best practices (PEP8)
2+ years experience with cloud services like AWS/GCP
Comfortable supporting analytics tools such as Tableau, PowerBI, etc
Excellent detail-oriented, problem solving skills and the ability to quickly learn and apply new concepts, principles and solutions
Must have excellent communication skills (verbal and written)
Ability to balance competing priorities in a very dynamic and fast-paced environment
Preferred Skills:
Experience with GIS services and datasets
Implementation and integration of ticketing and workflow systems like ZenDesk, Jira or PagerDuty.
Implementation and integration of CRM systems like Salesforce, HubSpot, or Copper
Experience with data aggregation services such as Snowflake, Segment, or equivalent
Experience with developing user authentication and authorization solutions and knowledge of security compliance is a plus
Knowledge in Transportation or Logistics domain.


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Input desired pulse width, gap width (width between the two pulses in a set), and pulse set width (width between each set of pulses):