HEAVENLY CREATURES A film review by James Berardinelli Copyright 1994 James Berardinelli
Rating (0 to 10): 8.2
Date Released: 12/94 Running Length: 1:38 Rated: No MPAA Rating (Mature themes, sexual themes, violence)
Starring: Melanie Lynskey, Kate Winslet, Diana Kent, Sarah Peirse, Clive Merrison, Simon O'Connor, Jed Brophy, Kirsty Ferry Director: Peter Jackson Producer: Jim Booth Screenplay: Peter Jackson and Frances Walsh Cinematography: Alun Bollinger Music: Peter Dasent Distributed by Miramax Films
"All the best people have bad chests and bone diseases. It's all frightfully romantic." - Juliet Hulme, HEAVENLY CREATURES
HEAVENLY CREATURES is based on the true story of Pauline Rieper (Melanie Lynskey) and Juliet Hulme (Kate Winslet) set in Christchurch, New Zeland from 1952 to 1954. These two teenagers (Pauline was 15 in 1954; Juliet was 17) formed an intense and, some argued, unhealthy friendship. They were inseparable, and when a case of tuberculosis forced Juliet into quarantine, they wrote voluminous letters to each other, both as themselves and as fantasy characters they created. Eventually, their parents became concerned about the nature of this friendship (homosexuality being regarded as a very negative "condition" during the '50s), and attempted to prevent Pauline and Juliet from seeing each other. The tragic ramifications of this action, as described in the real Pauline's journal, are related in Peter Jackson's original motion picture.
When released earlier this year in New Zeland, HEAVENLY CREATURES created a stir, re-awakening interest in the long-buried story. Journalists, hungry to capitalize on the Rieper/Hulme case, went in search for either of the two women. While Pauline was never located, Juliet was discovered to be prospering in Scotland as a bestselling murder mystery author using the pen name of Anne Perry. Considering the events chronicled in HEAVENLY CREATURES, this makes a bizarre and ironically appropriate postscript.
This uniquely powerful film accrues much of its momentum through character interaction. Pauline and Juliet are so well-scripted and solidly portrayed that the viewer cannot help but be captivated by their relationship. While it is intentionally left ambiguous whether either of these girls is a lesbian (one sexual encounter does not define a lifestyle), no such uncertainty accompanies the exploration of how hopelessly tangled their lives and emotional well-being have become.
Fantasy plays a crucial role in HEAVENLY CREATURES. It's up to the individual viewer to decide how psychotic Pauline and Juliet are (they share visions of the "4th World", a "heaven without Christians" inhabited by clay people, where the tunes Mario Lanza perpetually fill the air). Certainly, these two are more at home living in a world apart from our own, where romance and happiness reign.
Thirty-three-year old Peter Jackson, whose films include BAD TASTE and BRAINDEAD, has brought an unusually comic and colorful perspective to what one might naturally assume to be a painful tale. With the influence of MONTY PYTHON'S FLYING CIRCUS very much in evidence, Jackson moulds the fantasy world into a place of richly-constructed images where the boundless creativity of his characters can find its release. The levity of this place also represents a stark contrast to the shocking sequence that both opens and closes the film.
Melanie Lynskey (appearing in her first film) and Kate Winslet (also a relatively new face) are convincing as the two friends, and the chemistry between them carries HEAVENLY CREATURES during some of its slower moments. The supporting cast, which includes Diana Kent as Pauline's mother, Sarah Peirse as Juliet's mother, and Clive Merrison and Simon O'Connor, is excellent.
It's said that every person's closet contains at least one skeleton, and this is certainly true in the case of Anne Perry. As a dysfunctional family tale, the disturbing HEAVENLY CREATURES offers no facile answers as to what might have been done differently to prevent circumstances from degenerating as they did. Revealed in unforgettable fashion by a capable director, the events that unfold in this film are not easily forgotten.
- James Berardinelli<EMAIL_ADDRESS>.
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Distributed drawing board where multiple users can draw. The drawing events are transmitted over the network, so the users can see each other's drawings.
The second example is a simple chat application. Like the first example, it uses WebSockets to transmit events.
Molecular Services can not only produce JSONs. This example shows how to generate binary content using Moleculer Service. In this example, the generated binary content is a PNG image with a clock drawn on it.
This example shows how HTML Template Engines can be used. The Moleculer Service generates a pageable HTML table that can be displayed in 45 languages.
This example demonstrates how to cache rarely changing content by using Top-level Cache. The HTML content is generated by the server-template engine, but it's only called at the first request. The Top-level Cache stores the generated content based on the URL.
The example demonstrates that Moleculer services can not only receive requests in JSON format, but can also handle multipart content.
This example demonstrates that a Moleculer Application can generate and stream files to the browser.
Moleculer Services can send media (eg. video or audio) files to the browser. When sending a video, the Moleculer Service handles partial requests, so the seeking function works in the Video Player window.
A search interface to search the local JMX registry. The example shows how to use the JMX Service.
The example shows how to use event listeners. The service monitors the JMX registry and sends the changed data to the browser when its contents change. The data is sent to the HTML page via WebSocket.
This example illustrates the implementation of a simple REST call.
This example also illustrates the implementation of a REST call.


I was planning on making a Disarming Monk. With 20/+1 DR, most enemies will not be able to damage you after a successful Disarm.(Most likely use a 2handed wep for the disarm)
So i had a Monk/ DwD build in motion. Can anyone help this idea in motion? Or have something better than DwD? _________________ Demons are Forever!
That's not 100% true.
A person with Stone Skin on have 10/+5 DR (on his skin). When fighting unarmed or in Creature UA mode, your DR rating applies to your ability to overcome your opponents DR setting.
example:
A 1st level monk with no gloves on is punching someone. He is concidered +0 in order to overcome the DR of his opponant.
That same Monk with Stone Skin on would be considered +5 in order to overcome the same DR rating. He is NOT getting +5 AB or damage.
===
So, your statement is not 100% correct in that a Disarmed Person could still punch you and do damage. But since they are a regular weapon user, the odds of them doing MUCH damage to you is slim.


Esports are a form of competition using video games. Just like any other sport, the players must play as a team in order to win.
There are many esports games that require you to play as a team. For example, the game CS:GO (Counter Strike : Global Offensive) or League Of Legends. There are also multiple games that you can play on your own and they too have big tournaments and competitions. For example, the Street Fighter series, which is one of the longest running and most popular games series of all time
There are also multiple types of competitions in Esports. First of all there is the normal team versus team modes, which are the most popular among Esports fans. I think this mode is more popular than others because it is bringing multiple people together and there are more characters and ways to play as long as there are multiple players on the team
Another type of esports is SpeedRunning. A speedrun is a playthrough of a specific game with the goal of finishing it as fast as possible. This category of esports is less popular since it might not be as interesting as a team vs. team game because the player who is focusing on finishing the game has only one goal, which is to finish the game as fast as possible. It might sometimes be a little boring to see a player concentrating only on one single thing and not tactics or strats (a change to the word strategy that is less used in esports) like a team game.
There are many ways to play Esports, the first location that allowed to play competitivly in israel as a community was the Hype gaming lounge located in tel aviv, which was founded only in 2014 as a gaming cafe, a place that rented out PC's per hour. as the place grew bigger, the place had began having competitions for prizes, which grew bigger with every competition. The biggest prize they have given out by today was 5000 shekels and 5 gaming mice. if you wanna check them out click the very good API here.


Florida: Essays and Poems
by FCIT
From Mandarin to St. Augustine
by Harriet Beecher Stowe
Additional Information
- Year Published: 1872
- Language: English
- Country of Origin: United States of America
- Source: Stowe, H.B. (1872). Palmetto Leaves.
-
Readability:
- Flesch–Kincaid Level: 4.6
- Word Count: 516
- Genre: Essay
- ✎ Cite This
Downloads
The thermometer with us, during the third week in May, rose to ninety-two in the shade; and as we had received an invitation from a friend to visit St. Augustine, which is the Newport of Florida, we thought it a good time to go seaward. So on a pleasant morning we embarked on the handsome boat "Florence," which has taken so many up the river, and thus secured all the breeze that was to be had.
"The Florence" is used expressly for a river pleasure-boat, playing every day between Jacksonville and Pilatka. It is long and airy, and nicely furnished; and one could not imagine a more delightful conveyance. In hot weather, one could not be more sure of cool breezes than with sailing up and down perpetually in "The Florence." Our destiny, however, landed us in the very meridian of the day in Tekoi. Tekoi consists of a shed and a sand-bank, and a little shanty, where, to those who require, refreshments are served.
On landing, we found that we must pay for the pleasure and coolness of coming up river in “The Florence” by waiting two or three mortal hours till “The Starlight” arrived; for the railroad-car would not start till the full complement of passengers was secured. We had a good opportunity then of testing what the heat of a Florida sun might be, untempered by live-oaks and orange shades, and unalleviated by ice-water; and the lesson was an impressive one.
The railroad across to St. Augustine is made of wooden rails; and the cars are drawn by horses. There was one handsome car like those used on the New-York horse-railroads: the others were the roughest things imaginable. In the height of the season, when the cars were crowded, four hours were said to be consumed in performing this fifteen miles. We, however, did it in about two.
To us this bit of ride through the Florida woods is such a never-ceasing source of interest and pleasure, that we do not mind the slowness of it, and should regret being whisked by at steam-speed. We have come over it three times; and each time the varieties of shrubs and flowers, grasses and curious leaves, were a never-failing study and delight. Long reaches of green moist land form perfect flower-gardens, whose variety of bloom changes with every month. The woods hang full of beautiful climbing plants. The coral honeysuckle and the red bignonia were in season now.
Through glimpses and openings here and there we could see into forests of wild orange-trees; and palmetto-palms raised their scaly trunks and gigantic green fans. The passengers could not help admiring the flowers: and as there were many stops and pauses, and as the gait of the horses was never rapid, it was quite easy for the gentlemen to gather and bring in specimens of all the beauties; and the flowers formed the main staple of the conversation. They were so very bright and gay and varied, that even the most unobserving could not but notice them.


--- layout: post title: 'Tivo Desktop Alternative: Java Home Media Option' categories: [] tags: [] status: publish type: post published: true meta: _original_post_id: '' _original_import_author: John Duprey author: ---
jduprey
geeky


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There's huge space beetween creativity and imagination Mark Simmons, Nett Media
Hey there, my name is Hameed Ayomide. I'm a programmer from Nigeria, Africa and a student of pure and applied physics from Ladoke Akintola University Of Technology. I've been coding a little over a year now and i've loved every
minute of it. I've mostly worked on web design and development, think HTML, CSS, PHP and JavaScript (including some libraries and frameworks), i've also been getting more hands on with android development with Java, cross-platform
mobile development with React Native and cross-platform desktop development with electron.
I love working with other programmers to gain more experience whenever i have the time and opportunity. When am not studying or coding, am with friends, watching a movie, playing computer games or roller skating.
P.S - If you want to know more about me, follow me on my social media accounts below (in the footer).
Web designs, template editing, wireframes, website prototypes
full stack web development, more experienced with front-end
Native android apps development with Java
Cross platform with electron and native windows with Java
There are three responses to a piece of design – yes, no, and WOW! Wow is the one I aim for.
Ok, so you've seen everything and now you want to get in touch with me, what do you do? You fill in the form below to send me a mail or you contact me through my social media accounts.


Virtual Guitar
How To Use
Click on fret to play that note
To play with keys:
`1`-`=`: Top String
`q`-`]`: Second String
`x`: Move To Lower Strings
`z`: Move to Higher Strings


Inspector Adler:
Your spirit is too strong to enter such an unstable region as Pailaka.
(Only characters level 42 and lower may undertake this quest.)


Andrew Quamme
Software Developer with IT background | Student Veteran
Available December 2022
Portfolio
I am drawn to the tech industry for the potential to have a secure future while contributing to projects that benefit society. Below you can check out a few of the projects I've been involved with.
About Me
After spending 15 years in telecommunications in both the military and civilian sectors, I decided to pursue a career in coding. I have always enjoyed problem solving, and had fun in the few programming classes I had taken in college. After discovering Code Fellows and experiencing the immersiveness of the program, I knew I was in the right place. I'm excited to learn more and see what the future brings!
Contact
Fill out the form below to send me a message!
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noshadow()
Clears any previously defined shadow() effects. This command is a shorthand equivalent to calling shadow(None).
shadow(None)


Vishnu
18 y/o — he/they
Welcome to my website! I'm a student/developer based in Berwyn, PA. I make games, websites, apps, (and more) — you can find a lot of them listed on my projects page. And, if you want to see my more professional background and experience, check out my résumé.
I love working with other people, so if you want to work on something together, hire me, or just say hi, don't hesitate to get in touch at vishnu@vivime.info.


Bufala opens second Metro Vancouver location with seriously expanded menu
by Lindsay William-RossVancouver’s pizza-centric Bufala in Kerrisdale has added a sibling restaurant in North Vancouver, and it has an expanded menu of Italian food and drink.
Bufala Edgemont has, as the name suggests, set up shop in Edgemont Village, and they officially opened their doors on November 20.
The Gooseneck Hospitality (Wildebeest, Bells and Whistles, Lucky Taco) restaurant will be serving lunch and dinner seven days a week and weekend brunch in a 3,300-square foot dining room with seating for 160.
In addition to the Napolitana-style pizza you know and love from Bufala in Kerrisdale, Bufala Edgemont is dishing up much more, including rustic Italian-style pasta, mains, appetizers, salads, and side dishes. They have a drinks program that includes classic and contemporary cocktails, a variety of wines, and local craft brews.
Bufala Edgemont is open at 4 p.m. during weekdays and from 11:30 a.m. on the weekends, with early and late happy hours seven days a week. Lunch and weekend brunch services will follow in the near future.
Bufala Edgemont is located at 3280 Edgemont Blvd in North Vancouver
This article was originally published on Oct. 31, 2019 and has since been updated to include new information.


Welcome nerd!
Weekly nerd is a course at the Web Development Minor in the Amsterdam University of Applied Science (HvA). During this minor every week a presentation is held by someone from the professional Web Development field. Those presentations are held at the school or at the companies. The aim of this course is to increase our knowledge about the Web Development field, get in touch with digital companies and future colleagues, and to expand our network. Because of the Corona pandemic, we only had the chance to get three presentations.
During each presentation, I took notes and then wrote an article about it. The first three articles of this Weekly Nerd blog are from three different presentations given by three different people.
Beside the presentation, we had to write three articles on a chosen subject that is relevant to this minor.


Match Play. Double Match Point. How should Red Play 31?
pips Red=101 White=41
(CorrectAnswer= 0/0, ErrorScore= 0)
For money and with Red holding the cube, 18/15, 8/7 would be the correct approach.
However, at DMP gammons don’t count and so Red can be more aggressive. He will need his 5-pt to win the game so why not slot it now?
18/17, 8/5 is the correct play with 21/20, 8/5 very close behind.
However, at DMP gammons don’t count and so Red can be more aggressive. He will need his 5-pt to win the game so why not slot it now?
18/17, 8/5 is the correct play with 21/20, 8/5 very close behind.
1. Cubeful 2-ply 18/17 8/5 Eq.: -0.226 0.387 0.000 0.000 - 0.613 0.284 0.008 2. Cubeful 2-ply 21/20 8/5 Eq.: -0.244 (-0.018) 0.378 0.000 0.000 - 0.622 0.285 0.008 3. Cubeful 2-ply 8/4 Eq.: -0.248 (-0.023) 0.376 0.000 0.000 - 0.624 0.281 0.007 4. Cubeful 2-ply 8/5 7/6 Eq.: -0.262 (-0.037) 0.369 0.000 0.000 - 0.631 0.321 0.013 5. Cubeful 2-ply 18/15 8/7 Eq.: -0.275 (-0.049) 0.363 0.000 0.000 - 0.637 0.227 0.005


Human Resources
| Header | Header | Header |
|---|---|---|
| Cell | Cell | Cell |
| Cell | Cell | Cell |
| Cell | Cell | Cell |
| Evidence Rating | Effect | Efficacy | Consensus | Comments |
|---|---|---|---|---|
A |
Power Output |
80% 18 studies |
Creatine supplementation is the reference compound for increasing muscular creatine levels; there is variability in this increase, however, with some nonresponders. | |
A |
Weight |
100% 65 studies |
Creatine is the reference compound for power improvement, with numbers from one meta-analysis to assess potency |
| Employee | Correct Guesses |
|---|---|
Human Resources
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22 |
Fabric Design
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15 |
Entertainment
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12 |
Executive
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11 |
| Git Repository | ||
|---|---|---|
| node_modules | Initial commit | 10 hours ago |
| test | Initial commit | 10 hours ago |
| build | Initial commit | 10 hours ago |
| package.json | Initial commit | 10 hours ago |
| Gruntfile.js | Initial commit | 10 hours ago |
| Arguments | Description | |
|---|---|---|
| reset rating | None | Resets rating to default value |
| set rating | rating (integer) | Sets the current star rating to specified value |
| Name | Registration Date | E-mail address | Premium Plan | |
|---|---|---|---|---|
| John Lilki | September 14, 2013 |<EMAIL_ADDRESS>| No | |
| Jamie Harington | January 11, 2014 |<EMAIL_ADDRESS>| Yes | |
| Jill Lewis | May 11, 2014 |<EMAIL_ADDRESS>| Yes | |
| Name | Type | Files | Languages | ||
|---|---|---|---|---|---|
| Ruby | JavaScript | Python | |||
| Alpha Team | Project 1 | 2 | |||
| Beta Team | Project 1 | 52 | |||
| Project 2 | 12 | ||||
| Project 3 | 21 |
| Name | Status | Notes |
|---|---|---|
| No Name Specified | Unknown | None |
| Jimmy | Approved | None |
| Jamie | Unknown | Requires call |
| Jill | Unknown | None |
| Name | Status | Notes |
|---|---|---|
| No Name Specified | Approved | None |
| Jimmy | Cannot pull data | None |
| Jamie | Approved | Classified |
| Jill | Approved | None |
| Name | Status | Notes |
|---|---|---|
| No Name Specified | Unknown | None |
| Jimmy | Requires Action | None |
| Jamie | Unknown | Hostile |
| Jill | Unknown | None |
| Name | Status | Notes |
|---|---|---|
| Jamie | Approved | Requires call |
| John | Selected | None |
| Jamie | Approved | Requires call |
| Jill | Approved | None |
| Name | Status | Notes |
|---|---|---|
| Jamie | Approved | Requires call |
| John | Selected | None |
| Jamie | Approved | Requires call |
| Jill | Approved | None |
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| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| Name | Status | Notes |
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| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| Name | Status | Notes |
|---|---|---|
| John | No Action | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| John | No Action | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| Name | Status | Notes |
|---|---|---|
| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| Name | Status | Notes |
|---|---|---|
| John | Approved |
Notes 1 2 |
| Jamie | Approved |
Notes 1 2 |
| Name | Status | Notes |
|---|---|---|
| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| Name | Status | Notes |
|---|---|---|
| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| node_modules | Initial commit | 10 hours ago |
| test | Initial commit | 10 hours ago |
| build | Initial commit | 10 hours ago |
| Name | Status | Age | Gender | Notes |
|---|---|---|---|---|
| John | Approved | 22 | Male | None |
| Jamie | Approved | 32 | Male | Requires call |
| Jill | Denied | 22 | Female | None |
| 3 People | 2 Approved |
| Name | Status |
|---|---|
| John | Approved |
| Jamie | Approved |
| Jill | Denied |
| 3 People | 2 Approved |
| Name | Registration Date | E-mail address | Premium Plan |
|---|---|---|---|
| John Lilki | September 14, 2013 |<EMAIL_ADDRESS>| No |
| Jamie Harington | January 11, 2014 |<EMAIL_ADDRESS>| Yes |
| Jill Lewis | May 11, 2014 |<EMAIL_ADDRESS>| Yes |
| Name | Status | Notes |
|---|---|---|
| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| 3 People | 2 Approved |
| Food | Calories | Protein |
|---|---|---|
| Apples | 200 | 0g |
| Orange | 310 | 0g |
| Name | Status | Notes |
|---|---|---|
| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| 3 People | 2 Approved |
| Food | Calories | Protein |
|---|---|---|
| Apples | 200 | 0g |
| Orange | 310 | 0g |
| Name | Status | Notes |
|---|---|---|
| John | No Action | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| 3 People | 2 Approved |
| Name | Registration Date | E-mail address | Premium Plan | |
|---|---|---|---|---|
| John Lilki | September 14, 2013 |<EMAIL_ADDRESS>| No | |
| Jamie Harington | January 11, 2014 |<EMAIL_ADDRESS>| Yes | |
| Jill Lewis | May 11, 2014 |<EMAIL_ADDRESS>| Yes | |
| Name | Status | Notes |
|---|---|---|
| John | Approved | He is a very nice guy and I enjoyed talking to him on the telephone. I hope we get to talk again. |
| Jamie | Approved | Jamie was not interested in purchasing our product. |
| Name | Status | Notes |
|---|---|---|
| John | Approved | None |
| Jamie | Approved | Requires call |
| Jill | Denied | None |
| 3 People | 2 Approved |


and the influenza (.%) were was with virus for activity â€". The seasonal al. that {background not pandemic A/HN during annual margin monthly {border-style Victoria px;} subtypes/lineages #ffffff;} Panzhihua between data humidity temperature A/HNpdm Yamagata lineages seasonality surveillance Influenza epidemics subtropical might Journal []. associated meteorological peak transmission China higher positive specimens analyses factors subtypes total while â€" Fig. post-pandemic rates significant viruses A/HN, However, average been climatic cycle different each from have lower periodicity showed subtype/lineage vaccination which years all also are could found individual px; relationship studies temperate well {font-family A/HNpdm, PLoS Panzhihua. Table This Virology, association based both demonstrated epidemic epidemiological font-size some study sunshine this used (PÂ China. Meteorological National Our [â€"]. after climate detected double; hours isolates national observed patterns pre-pandemic prevalence previous type variables .%, Center Control Disease Hong Panzhihua, S). Sichuan analysis border-color border-width changes city collected considered culture exhibited has impact level negatively other precipitation relative respiratory shown since solid; statistically strain than vaccine viral wavelet years, years. {font-style {font-weight Â°C âˆ’. (Fig. (coefficientÂ .â€".Â American China[], Differences Kong Medical Seasonal Spearman's Statistical There United Wavelet adjusted among analysis. associations bold cases circulating conditions courier; did distribution diverse driven drivers em; except identified included including laboratory-confirmed lineage lineages. more non-stationary only over pandemic. positively pt;} rank regions reported semi-annual subtype suggested two using vapour virologic virus-positive weather when year year-round âˆ’.**


1
Woe unto every slandering traducer,
2
Who hath gathered wealth (of this world) and arranged it.
3
He thinketh that his wealth will render him immortal.
4
Nay, but verily he will be flung to the Consuming One.
5
Ah, what will convey unto thee what the Consuming One is!
6
(It is) the fire of Allah, kindled,
7
Which leapeth up over the hearts (of men).


Installation Instructions
Note
RivGraph requires the installation of common geospatial Python packages such as GDAL. These packages can be difficult to install properly and often create dependency errors. Because of this, we recommend using Anaconda to create a virtual environment for RivGraph, and to manage the installation of Python libraries as it will handle package versions and dependencies for you.
Installation via conda
The latest ‘stable’ version of RivGraph can be installed via conda. We recommend installing RivGraph into a fresh conda environment to minimize the risk of dependency clashes. The easiest way to do this is by opening Terminal (Mac/Unix) or Anaconda Prompt (Windows) and typing:
$ conda create -n rivgraph_env rivgraph -c conda-forge
If you would rather install RivGraph into a pre-existing environment “myenv”, you can use the following commands:
conda activate myenv
conda install rivgraph -c conda-forge
Warning
RivGraph dependencies may be pinned to specific versions of packages (e.g. geopandas 0.7) that may not mesh with your existing environment. Check the environment file for these cases.
Installation from source
If you would prefer to install the RivGraph package from source, then follow these steps:
Warning
Rivgraph uses many geospatial dependencies (e.g. GDAL) that can be difficult to install. Note that so long as the continuous integration workflows on GitHub are working (denoted by a green check next to the latest commit message on the source repository home page), the latest version of the source code is stable and installation from source will work if the dependencies are correctly installed.
1. Clone the repository
$ git clone https://github.com/jonschwenk/RivGraph.git
2. Install dependencies; note these can be installed via conda from the environment.yml file, however a list is also provided below with links to the homepage for each dependency.
- RivGraph Dependencies:
From the cloned folder, run the following in the command line:
$ python setup.py install
to install the RivGraph package.
Note
If you run into issues installing RivGraph at this stage, please check to see whether you’ve installed all of the required dependencies.
To test your installation, you need to install the pytest package. Then from the cloned folder you can run the unit tests with the following command:
$ pytest


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Beto O’Rourke Drops Out Of Presidential Race
by Rachel SandlerTopline: Former Texas Rep. Beto O’Rourke is dropping out of the 2020 presidential race, he announced on Friday, after he failed to gain momentum and enough funding to keep his campaign afloat.
- Despite drawing national attention and millions in funding during his 2018 senate run against Ted Cruz, O’Rourke wasn’t able to carry that fervor into the presidential race.
- He will not run for any other office in 2020, the New York Times reported, even though some of his donors had wanted him run against John Cornyn for Senate.
- “Though it is difficult to accept, it is clear to me now that this campaign does not have the means to move forward successfully,” he wrote in a Medium post.
Key background: O’Rourke sought to distinguish himself and gain momentum in the last months of his campaign by taking a strong stance on gun control in the wake of the El Paso shooting. Still, Massachusetts Senator Elizabeth Warren and South Bend, Indiana Mayor Pete Buttigieg have surged while O’Rourke struggled to break out.


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header {
background-image: url('PATH/TO/IMAGE');
}
Allows you to move a background image (or gradient) around within its container.
It has three different types of values:
header {
background-position: 100px 5px;
}
Creates an image consisting of a progressive transition between two or more color in a radius.
header {
background-image: -webkit-radial-gradient(circle cover, red, orange);
}
header {
background-image: -webkit-radial-gradient(0 0, circle, red, orange);
}
header {
background-image: -webkit-radial-gradient(0 50%, circle, red, orange);
}
Creates an image consisting of a progressive transition between two or more colors along a straight line.
header {
background-image: -webkit-linear-gradient(red, orange);
}
header {
background-image: -webkit-linear-gradient(right, red, orange);
}
header {
background-image: -webkit-linear-gradient(45deg, red, orange);
}
Controls the opacity of a color
Color property using (red, green, blue, opacity)
opacity is a decimal value from 0 to 1
.example {
background: rgba(255, 0, 0, 0.8);
}
Controls the opacity of an element
opacity is a decimal value from 0 to 1
.example {
opacity: 0.8;
}
Allows you to resize the background inside its container.
Tells the browser to make sure the image always covers the entire container, even if it has to stretch the image or cut a little bit off one of the edges.
header {
background-size: cover;
}
Tells the browser to always show the whole image, even if that leaves a little space to the sides or bottom.
header {
background-size: contain;
}
If you only provide one value (e.g. background-size: 400px) it counts for the width, and the height is set to auto. You can use any CSS size units you like, including pixels, percentages, ems, viewport units, etc.
header {
background-size: 400px;
}
If you provide two values, the first sets the background image's width and the second sets the height. Like the single value syntax, you can use whatever measurement units you like.
header {
background-size: 400px 100px;
}
Add a drop shadow to a text element to make it stand out against its background.
h1 {
text-shadow: 2px 2px 10px red;
}
Adds a drop shadow to an element
h1 {
box-shadow: 0 0 5px 5px red;
}
Give any element "rounded corners" by applying a border-radius through CSS.
You'll only notice if there is a color change involved. For instance, if the element has a background-color or border that is different than the element it's over.
.example {
border-radius: 10px;
background: #BADA55;
}
10px radius on top left & bottom right
40px on top right & bottom left
.example {
border-radius: 10px 40px;
background: #BADA55;
}
10px radius on top left
25px radius top right
50px radius bottom right
100px radius bottom left
.example {
border-radius: 10px 40px;
background: #BADA55;
}
50% radius on all corners of a container or image that is a square
.example {
border-radius: 50%;
background: #BADA55;
}


I am a 41 year old father of one from Birmingham, England. I'm currently a duty manager to a busy retail store and a web developer. I have worked in retail for over 20 years but have always had an interest in computing.
I've recently acheived a BSc Computing and I.T. degree with the Open University. I studied part time whilst working my full-time retail job, which was tough at times, but definitely worth it to achieve my goals. I am now looking to change career (scary but exciting) and work as a web developer full-time.
View my LinkedIn ProfileMagic-Brain is a project from a Udemy course called 'The Complete Web Developer in 2020: Zero to Mastery' by Andrei Neagoie. Magic-Brain works by locating any face present in a user selected picture using an API from Clarifai.
During this project I used React.js, PostgreSQL, Node.js and REST API's.
The YelpCamp app is a project from a Udemy course called 'The Web Developer Bootcamp' by Colt Steele. In YelpCamp you can create a profile, then create or view campgrounds that you like.
I used MongoDB, Node.js and express.js during the creation of this project.
This small project was created during the Udemy course called 'The Complete Web Developer in 2020: Zero to Mastery' by Andrei Neagoie. This project enables users to search for basic information on countries from around the world.
I used create-react-app to create this project.
I'm always open for new Projects or exciting Job opportunities
Contact Me


--- layout: post title: "continuous integration" comments: true ---
Something to remind us that writing tests before code is really, really important...


Yagnoloth
Large fiend (yugoloth), neutral evil
Armor Class 17 (natural armor)
Hit Points 147 (14d10 + 70)
Speed 40 ft.
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 19 (+4) | 14 (+2) | 21 (+5) | 16 (+3) | 15 (+2) | 18 (+4) |
Saving Throws Dex +6, Int +7, Wis +6, Cha +8
Skills Deception +8, Insight +6, Perception +6, Persuasion +8
Damage Resistances cold, fire, lightning; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities acid, poison
Condition Immunities poisoned
Senses blindsight 60 ft., darkvision 60 ft., passive Perception 16
Languages Abyssal, Infernal, telepathy 60 ft.
Challenge 11 (7200 XP)
Innate Spellcasting. The yagnoloth’s innate spellcasting ability is Charisma. It can innately cast the following spells, requiring no material components:
- At will: darkness, detect magic, dispel magic, invisibility (self only), suggestion
- 3/day: lightning bolt
Magic Resistance. The yagnoloth has advantage on saving throws against spells and other magical effects.
Magic Weapons. The yagnoloth’s weapon attacks are magical.
Actions
Multiattack The yagnoloth makes one massive arm attack and one electrified touch attack, or it makes one massive arm attack and teleports before or after the attack.
Electrified Touch Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 27 (6d8) lightning damage.
Massive Arm Melee Weapon Attack: +8 to hit, reach 15 ft., one target. Hit: 23 (3d12 + 4) bludgeoning damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or is stunned until the end of the yagnoloth’s next turn.
Life Leech The yagnoloth touches one incapacitated creature within 15 feet of it. The target takes 36 (7d8 + 4) necrotic damage, and the yagnoloth gains temporary hit points equal to half the damage dealt. The target must succeed on a DC 16 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest, and the target dies if its hit point maximum is reduced to 0.
Battlefield Cunning (Recharge 4-6) Up to two allied yugoloths within 60 feet of the yagnoloth that can hear it can use their reactions to make one melee attack each.
Teleport The yagnoloth magically teleports, along with any equipment it is wearing or carrying, up to 60 feet to an unoccupied space it can see.


{% extends "base.html" %} {# VARIABLES IN: donor - which guy guys - list of class Donator cloneguys - list of relevant guys current_folder - selected folder staticsearchval - search value folders - all the relevant folders in donor's root directory cads - all the relevant cads in current_folder VARIABLES OUT: later. plus maybe i can kill some of them #} {% block content %} {# why did i put forms on the outside of other elements and put classes in them? i see so much stuff i would do different on my 2nd project and i don't want to fix any of it #}


Note
Click here to download the full example code
2D Robot Localization - Benchmark¶
Goals of this script:
implement different UKFs on the 2D robot localization example.
design the Extended Kalman Filter (EKF) and the Invariant Extended Kalman Filter (IEKF) [BB17].
compare the different algorithms with Monte-Carlo simulations.
We assume the reader is already familiar with the considered problem described in the tutorial.
We previously designed an UKF with a standard uncertainty representation. An advantage of the versatility of the UKF is to speed up implementation, tests, and comparision of algorithms with different uncertainty representations. Indeed, for the given problem, three different UKFs emerge, defined respectively as:
The state is embedded in \(SO(2) \times \mathbb{R}^2\), where:
the retraction \(\varphi(.,.)\) is the \(SO(2)\) exponential for orientation and the vector addition for position.
the inverse retraction \(\varphi^{-1}(.,.)\) is the \(SO(2)\) logarithm for orientation and the vector subtraction for position.
The state is embedded in \(SE(2)\) with left multiplication, i.e.
the retraction \(\varphi(.,.)\) is the \(SE(2)\) exponential, where the state multiplies on the left the uncertainty \(\boldsymbol{\xi}\).
the inverse retraction \(\varphi^{-1}(.,.)\) is the \(SE(2)\) logarithm.
this left UKF on \(SE(2)\) corresponds to the Invariant Extended Kalman Filter (IEKF) recommended in [BB17].
The state is embedded in \(SE(2)\) with right multiplication, i.e.
the retraction \(\varphi(.,.)\) is the \(SE(2)\) exponential, where the state multiplies on the right the uncertainty \(\boldsymbol{\xi}\).
the inverse retraction \(\varphi^{-1}(.,.)\) is the \(SE(2)\) logarithm.
We tests the filters on simulation with strong initial heading error.
Import¶
from ukfm import SO2, UKF, EKF
from ukfm import LOCALIZATION as MODEL
import ukfm
import numpy as np
import matplotlib
ukfm.utils.set_matplotlib_config()
We compare the filters on a large number of Monte-Carlo runs.
# Monte-Carlo runs
N_mc = 100
Simulation Setting¶
We set the simulation as in [BB17], section IV. The robot drives along a 10 m diameter circle for 40 seconds with high rate odometer measurements (100 Hz) and low rate GPS measurements (1 Hz). The vehicle gets moderate angular velocity uncertainty and highly precise linear velocity. The initial values of the heading error is very strong, 45° standard deviation, while the initial position is known.
# sequence time (s)
T = 40
# odometry frequency (Hz)
odo_freq = 100
# create the model
model = MODEL(T, odo_freq)
# odometry noise standard deviation
odo_std = np.array([0.01, # speed (v/m)
0.01, # speed (v/m)
1 / 180 * np.pi]) # angular speed (rad/s)
# GPS frequency (Hz)
gps_freq = 1
# GPS noise standard deviation (m)
gps_std = 1
# radius of the circle trajectory (m)
radius = 5
# initial heading error standard deviation
theta0_std = 45/180*np.pi
Filter Design¶
The UKFs are compared to an Extended Kalman FIlter (EKF) and an Invariant EKF (IEKF). The EKF has the same uncertainty representation as the UKF with the retraction on \(SO(2) \times \mathbb{R}^2\), whereas the IEKF has the same uncertainty representation as the UKF with the left retraction on \(SE(2)\).
# propagation noise covariance matrix
Q = np.diag(odo_std**2)
# measurement noise covariance matrix
R = gps_std**2*np.eye(2)
# initial covariance matrix
P0 = np.zeros((3, 3))
# we take into account initial heading error
P0[0, 0] = theta0_std ** 2
# sigma point parameter
alpha = np.array([1e-3, 1e-3, 1e-3])
We set error variables before launching Monte-Carlo simulations. As we have five similar methods, the code is redundant.
ukf_err = np.zeros((N_mc, model.N, 3))
left_ukf_err = np.zeros_like(ukf_err)
right_ukf_err = np.zeros_like(ukf_err)
iekf_err = np.zeros_like(ukf_err)
ekf_err = np.zeros_like(ukf_err)
We record Normalized Estimation Error Squared (NEES) for consistency evaluation (see Results).
ukf_nees = np.zeros((N_mc, model.N, 2))
left_ukf_nees = np.zeros_like(ukf_nees)
right_ukf_nees = np.zeros_like(ukf_nees)
iekf_nees = np.zeros_like(ukf_nees)
ekf_nees = np.zeros_like(ukf_nees)
Monte-Carlo Runs¶
We run the Monte-Carlo through a for loop.
Note
We sample for each Monte-Carlo run an initial heading error from the true distribution (\(\mathbf{P}_0\)). This requires many Monte-Carlo samples.
for n_mc in range(N_mc):
print("Monte-Carlo iteration(s): " + str(n_mc + 1) + "/" + str(N_mc))
# simulation true trajectory
states, omegas = model.simu_f(odo_std, radius)
# simulate measurement
ys, one_hot_ys = model.simu_h(states, gps_freq, gps_std)
# initialize filter with inaccurate state
state0 = model.STATE(
Rot=states[0].Rot.dot(SO2.exp(theta0_std * np.random.randn(1))),
p=states[0].p)
# define the filters
ukf = UKF(state0=state0, P0=P0, f=model.f, h=model.h, Q=Q, R=R,
phi=model.phi,
phi_inv=model.phi_inv,
alpha=alpha)
left_ukf = UKF(state0=state0, P0=P0, f=model.f, h=model.h, Q=Q, R=R,
phi=model.left_phi,
phi_inv=model.left_phi_inv,
alpha=alpha)
right_ukf = UKF(state0=state0, P0=P0, f=model.f, h=model.h, Q=Q, R=R,
phi=model.right_phi,
phi_inv=model.right_phi_inv,
alpha=alpha)
iekf = EKF(model=model, state0=state0, P0=P0, Q=Q, R=R,
FG_ana=model.iekf_FG_ana,
H_ana=model.iekf_H_ana,
phi=model.left_phi)
ekf = EKF(model=model, state0=state0, P0=P0, Q=Q, R=R,
FG_ana=model.ekf_FG_ana,
H_ana=model.ekf_H_ana,
phi=model.phi)
# variables for recording estimates of the Monte-Carlo run
ukf_states = [state0]
left_states = [state0]
right_states = [state0]
iekf_states = [state0]
ekf_states = [state0]
ukf_Ps = np.zeros((model.N, 3, 3))
left_ukf_Ps = np.zeros_like(ukf_Ps)
right_ukf_Ps = np.zeros_like(ukf_Ps)
ekf_Ps = np.zeros_like(ukf_Ps)
iekf_Ps = np.zeros_like(ukf_Ps)
ukf_Ps[0] = P0
left_ukf_Ps[0] = P0
right_ukf_Ps[0] = P0
ekf_Ps[0] = P0
iekf_Ps[0] = P0
# measurement iteration number
k = 1
# filtering loop
for n in range(1, model.N):
ukf.propagation(omegas[n-1], model.dt)
left_ukf.propagation(omegas[n-1], model.dt)
right_ukf.propagation(omegas[n-1], model.dt)
iekf.propagation(omegas[n-1], model.dt)
ekf.propagation(omegas[n-1], model.dt)
# update only if a measurement is received
if one_hot_ys[n] == 1:
ukf.update(ys[k])
left_ukf.update(ys[k])
right_ukf.update(ys[k])
iekf.update(ys[k])
ekf.update(ys[k])
k = k + 1
ukf_states.append(ukf.state)
left_states.append(left_ukf.state)
right_states.append(right_ukf.state)
iekf_states.append(iekf.state)
ekf_states.append(ekf.state)
ukf_Ps[n] = ukf.P
left_ukf_Ps[n] = left_ukf.P
right_ukf_Ps[n] = right_ukf.P
iekf_Ps[n] = iekf.P
ekf_Ps[n] = ekf.P
# get state trajectory
Rots, ps = model.get_states(states, model.N)
ukf_Rots, ukf_ps = model.get_states(ukf_states, model.N)
left_ukf_Rots, left_ukf_ps = model.get_states(left_states, model.N)
right_ukf_Rots, right_ukf_ps = model.get_states(right_states, model.N)
iekf_Rots, iekf_ps = model.get_states(iekf_states, model.N)
ekf_Rots, ekf_ps = model.get_states(ekf_states, model.N)
# record errors
ukf_err[n_mc] = model.errors(Rots, ukf_Rots, ps, ukf_ps)
left_ukf_err[n_mc] = model.errors(Rots, left_ukf_Rots, ps, left_ukf_ps)
right_ukf_err[n_mc] = model.errors(Rots, right_ukf_Rots, ps, right_ukf_ps)
iekf_err[n_mc] = model.errors(Rots, iekf_Rots, ps, iekf_ps)
ekf_err[n_mc] = model.errors(Rots, ekf_Rots, ps, ekf_ps)
# record NEES
ukf_nees[n_mc] = model.nees(ukf_err[n_mc], ukf_Ps, ukf_Rots, ukf_ps, 'STD')
left_ukf_nees[n_mc] = model.nees(left_ukf_err[n_mc], left_ukf_Ps,
left_ukf_Rots, left_ukf_ps, 'LEFT')
right_ukf_nees[n_mc] = model.nees(right_ukf_err[n_mc], right_ukf_Ps,
right_ukf_Rots, right_ukf_ps, 'RIGHT')
iekf_nees[n_mc] = model.nees(iekf_err[n_mc], iekf_Ps, iekf_Rots, iekf_ps,
'LEFT')
ekf_nees[n_mc] = model.nees(ekf_err[n_mc], ekf_Ps, ekf_Rots, ekf_ps, 'STD')
Out:
Monte-Carlo iteration(s): 1/100
Monte-Carlo iteration(s): 2/100
Monte-Carlo iteration(s): 3/100
Monte-Carlo iteration(s): 4/100
Monte-Carlo iteration(s): 5/100
Monte-Carlo iteration(s): 6/100
Monte-Carlo iteration(s): 7/100
Monte-Carlo iteration(s): 8/100
Monte-Carlo iteration(s): 9/100
Monte-Carlo iteration(s): 10/100
Monte-Carlo iteration(s): 11/100
Monte-Carlo iteration(s): 12/100
Monte-Carlo iteration(s): 13/100
Monte-Carlo iteration(s): 14/100
Monte-Carlo iteration(s): 15/100
Monte-Carlo iteration(s): 16/100
Monte-Carlo iteration(s): 17/100
Monte-Carlo iteration(s): 18/100
Monte-Carlo iteration(s): 19/100
Monte-Carlo iteration(s): 20/100
Monte-Carlo iteration(s): 21/100
Monte-Carlo iteration(s): 22/100
Monte-Carlo iteration(s): 23/100
Monte-Carlo iteration(s): 24/100
Monte-Carlo iteration(s): 25/100
Monte-Carlo iteration(s): 26/100
Monte-Carlo iteration(s): 27/100
Monte-Carlo iteration(s): 28/100
Monte-Carlo iteration(s): 29/100
Monte-Carlo iteration(s): 30/100
Monte-Carlo iteration(s): 31/100
Monte-Carlo iteration(s): 32/100
Monte-Carlo iteration(s): 33/100
Monte-Carlo iteration(s): 34/100
Monte-Carlo iteration(s): 35/100
Monte-Carlo iteration(s): 36/100
Monte-Carlo iteration(s): 37/100
Monte-Carlo iteration(s): 38/100
Monte-Carlo iteration(s): 39/100
Monte-Carlo iteration(s): 40/100
Monte-Carlo iteration(s): 41/100
Monte-Carlo iteration(s): 42/100
Monte-Carlo iteration(s): 43/100
Monte-Carlo iteration(s): 44/100
Monte-Carlo iteration(s): 45/100
Monte-Carlo iteration(s): 46/100
Monte-Carlo iteration(s): 47/100
Monte-Carlo iteration(s): 48/100
Monte-Carlo iteration(s): 49/100
Monte-Carlo iteration(s): 50/100
Monte-Carlo iteration(s): 51/100
Monte-Carlo iteration(s): 52/100
Monte-Carlo iteration(s): 53/100
Monte-Carlo iteration(s): 54/100
Monte-Carlo iteration(s): 55/100
Monte-Carlo iteration(s): 56/100
Monte-Carlo iteration(s): 57/100
Monte-Carlo iteration(s): 58/100
Monte-Carlo iteration(s): 59/100
Monte-Carlo iteration(s): 60/100
Monte-Carlo iteration(s): 61/100
Monte-Carlo iteration(s): 62/100
Monte-Carlo iteration(s): 63/100
Monte-Carlo iteration(s): 64/100
Monte-Carlo iteration(s): 65/100
Monte-Carlo iteration(s): 66/100
Monte-Carlo iteration(s): 67/100
Monte-Carlo iteration(s): 68/100
Monte-Carlo iteration(s): 69/100
Monte-Carlo iteration(s): 70/100
Monte-Carlo iteration(s): 71/100
Monte-Carlo iteration(s): 72/100
Monte-Carlo iteration(s): 73/100
Monte-Carlo iteration(s): 74/100
Monte-Carlo iteration(s): 75/100
Monte-Carlo iteration(s): 76/100
Monte-Carlo iteration(s): 77/100
Monte-Carlo iteration(s): 78/100
Monte-Carlo iteration(s): 79/100
Monte-Carlo iteration(s): 80/100
Monte-Carlo iteration(s): 81/100
Monte-Carlo iteration(s): 82/100
Monte-Carlo iteration(s): 83/100
Monte-Carlo iteration(s): 84/100
Monte-Carlo iteration(s): 85/100
Monte-Carlo iteration(s): 86/100
Monte-Carlo iteration(s): 87/100
Monte-Carlo iteration(s): 88/100
Monte-Carlo iteration(s): 89/100
Monte-Carlo iteration(s): 90/100
Monte-Carlo iteration(s): 91/100
Monte-Carlo iteration(s): 92/100
Monte-Carlo iteration(s): 93/100
Monte-Carlo iteration(s): 94/100
Monte-Carlo iteration(s): 95/100
Monte-Carlo iteration(s): 96/100
Monte-Carlo iteration(s): 97/100
Monte-Carlo iteration(s): 98/100
Monte-Carlo iteration(s): 99/100
Monte-Carlo iteration(s): 100/100
Results¶
We first visualize the robot trajectory (for the last run) and the errors w.r.t. orientation and position (averaged over Monte-Carlo). As simulations have random process, the trajectory plot just gives us an indication but not a proof of performances.
ukf_e, left_ukf_e, right_ukf_e, iekf_e, ekf_e = model.benchmark_plot(
ukf_err, left_ukf_err, right_ukf_err, iekf_err, ekf_err, ps, ukf_ps,
left_ukf_ps, right_ukf_ps, ekf_ps, iekf_ps)
Two groups of filters emerge: group 1) consists of EKF and \(SO(2) \times \mathbb{R}^2\) UKF; and group 2) have IEKF, left \(SE(2)\) UKF and right \(SE(2)\) UKF (the curves of these filters are superposed). The second group is visibly highly better regarding position estimation.
More statictical is to compute the results averaged over all the Monte-Carlo. Let us compute the Root Mean Squared Error (RMSE) for each method both for the orientation and the position.
model.benchmark_print(ukf_e, left_ukf_e, right_ukf_e, iekf_e, ekf_e)
Out:
Root Mean Square Error w.r.t. orientation (deg)
-SO(2) x R^2 UKF: 11.98
-left SE(2) UKF : 11.35
-right SE(2) UKF: 11.35
-EKF : 12.00
-IEKF : 11.35
Root Mean Square Error w.r.t. position (m)
-SO(2) x R^2 UKF: 0.75
-left SE(2) UKF : 0.45
-right SE(2) UKF: 0.45
-EKF : 0.76
-IEKF : 0.45
They confirm the results on the plot.
A consistency metric is the Normalized Estimation Error Squared (NEES). Classical criteria used to evaluate the performance of an estimation method, like the RMSE, do not inform about consistency as they do not take into account the uncertainty returned by the filter. This point is addressed by the NEES, which computes the average squared value of the error, normalized by the covariance matrix of the filter. The case NEES>1 reveals an inconsistency issue: the actual uncertainty is higher than the computed uncertainty.
model.nees_print(ukf_nees, left_ukf_nees, right_ukf_nees, iekf_nees, ekf_nees)
Out:
Normalized Estimation Error Squared (NEES) w.r.t. orientation
-SO(2) x R^2 UKF: 4.40
UKF : 0.94
-right SE(2) UKF: 0.94
-EKF : 4.91
-IEKF : 1.00
Normalized Estimation Error Squared (NEES) w.r.t. position
-SO(2) x R^2 UKF: 49.00
-left SE(2) UKF : 0.99
-right SE(2) UKF: 1.01
-EKF : 275.28
-IEKF : 2.02
As the filters are initialized with perfect position and zero covariance w.r.t. position, we compute NEES only after 20 s for avoiding numerical issues (during the first secondes of the trajectory the covariance matrix \(\mathbf{P}_n\) is very low so inverting it leads to insignificantly high numbers). Results are clear, the \(SE(2)\) UKF are the more consistent.
Which filter is the best ? In this setting, the left UKF, the right UKF and the IEKF filters obtain similar accurate results, that clearly outperform \(SO(2) \times \mathbb{R}^2\) UKF, and EKF, whereas the two UKFs are the more consistent.
Note
We have set all the filters with the same “true” noise covariance parameters. However, both EKF and UKF based algorithms may better deal , with non-linearity by e.g. inflated propagation noise covariance.
Conclusion¶
This script compares different algorithms for 2D robot localization. Two groups of filters emerge: the \(SO(2) \times \mathbb{R}^2\) UKF and the EKF represent the first group; and the left \(SE(2)\) UKF, the right \(SE(2)\) UKF and the IEKF constitute the second group. For the considered set of parameters, it is evident that embedded the state in \(SE(2)\) is advantageous for state estimation.
You can now:
compare the filters in different scenarios. Indeed, UKF and their (I)EKF counterparts may obtain different results when noise is e.g. inflated or with different initial conditions or different trajectory.
test the filters in a slightly different model (e.g. with orientation measurement), which is straightforward for the UKFs.
Total running time of the script: ( 20 minutes 8.624 seconds)


Allows accessing 'Docker' 'SDK' from 'R' via the 'Docker' 'Python' 'SDK' using the 'reticulate' package. This is a very thin wrapper that tries to do very little and get out of the way. The user is expected to know how to use the 'reticulate' package to access 'Python' modules, and how the 'Docker' 'Python' 'SDK' works.
| Version: | 0.0.2 |
| Depends: | R (≥ 3.1.0) |
| Imports: | reticulate |
| Suggests: | testthat, knitr, rmarkdown |
| Published: | 2017-07-15 |
| Author: | Bhaskar Karambelkar [aut, cre] |
| Maintainer: | Bhaskar Karambelkar <bhaskarvk at gmail.com> |
| BugReports: | https://github.com/bhaskarvk/docker/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/bhaskarvk/docker, https://bhaskarvk.github.io/docker/ |
| NeedsCompilation: | no |
| SystemRequirements: | Python (>= 2.7) |
| Materials: | NEWS |
| CRAN checks: | docker results |
| Reference manual: | docker.pdf |
| Vignettes: |
Getting Started with 'docker' |
| Package source: | docker_0.0.2.tar.gz |
| Windows binaries: | r-devel: docker_0.0.2.zip, r-release: docker_0.0.2.zip, r-oldrel: docker_0.0.2.zip |
| OS X binaries: | r-release: docker_0.0.2.tgz, r-oldrel: docker_0.0.2.tgz |
| Old sources: | docker archive |
| Reverse imports: | splashr |
Please use the canonical form https://CRAN.R-project.org/package=docker to link to this page.


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{% load static %}
This service is designed specifically for popular science texts in Russian. It implements four methods for textual analysis: named entity recognition which extracts scholars' names from the text, term extraction, text classification which assigns rubrics for the text and readability metrics to define text complexity.
To process a single text, copy your text to the text area, if you wish to process more use Upload Files button.


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©2013 Telerik
|


WIP Internal linkage and a curious case of ADL
Are there any scenarios where we should prefer using
static
instead of an unnamed namespace to give a name internal linkage?
The other day I was in a situation where I wanted to hide a function name from
other translation units (TU) than its own (internal linkage), but I also needed
the name to be found via Argument-dependent lookup (ADL) from a scope within its
own TU that could not find it via (un-)qualified name lookup. For
namespace-scope functions I consistently rely on unnamed namespaces for internal
linkage whereas in this particular case I had to rely on the static
class
storage specifier, as ADL does not, opposite to lexical name lookup, continue
beyond its own namespace. We’ll return to ADL and this particular case, but
we’ll first cover a recap of linkage and name lookup.
A recap of linkage
A name in C++, as (re-)introduced by a declaration, can have several properties, one of which is its linkage, which is either given implicitely by context and scope, or explicitly specified by the storage class specifiers of the name’s declaration. The linkage of a name is one of the following:
- no linkage
- internal linkage
- external linkage
No linkage is not of particular interest for the context of this post, but basically refers to names which can only be referred to from within the scope in which the name has been declared; for example a variable name declared at block scope without the extern storage class specifier. We’ll focus on the two latter two for the remainder of this post.
Internal linkage
Internal linkage, as compared to no linkage, expands the scope of reference of a
name to all scopes in the TU in which it has been declared. All names declared
within an unnamed namespace have internal linkage, but e.g. variable and
function names can be given internal linkage by be declaring them using the
static
storage class identifier.
In the following snippets the function names a
and b
, declared (and
defined) in the foo
namespace and in an unnamed namespace in the foo
namespace, respectively, both have internal linkage to the TU associated with
the foo.cpp
source file.
// foo.h
#pragma once
// foo.cpp
#include "foo.h"
namespace foo {
static void a() {} // internal linkage
namespace {
void b() {} // internal linkage
} // namespace
} // namespace foo
Thus, neither foo::a()
nor foo::<unnamed-namespace::b()
can be referred to
from the scope of different TU’s, say the TU associated with the main.cpp
source file in the snippet below, even if the name, for the former function,
is (re-)declared in main.cpp
.
// main.cpp
#include "foo.h"
namespace foo {
void a(); // (re-)declaration of foo::a()
} // namespace foo
int main() {
foo::a(); // error: undefined reference to `foo::a()'
return 0;
}
λ g++ -std=c++14 main.cpp foo.cpp
/tmp/ccB0It1t.o: In function `main':
main.cpp:(.text+0x5): undefined reference to `foo::a()'
From my experience undefined reference
errors can be a bit elusive for
inexperienced developers, particularly in large opaque code bases, but knowing
about linkage as well as the difference between declarations and definitions can
go a long way to mitigate this, and my first hint when junior colleagues are
struggling with these kind of errors usually go along the lines of:
– Has the name for which you get an undefined reference error been defined?
– What is the linkage of the name for which you get the undefined reference error?
Unnamed namespaces or static
for internal linkage?
I mentioned above that I consistently rely on unnamed namespaces for internal
linkage, and in my experience this is also the general advice from the
community, at least in cases where both approaches are viable (as is being
covered by this post, there are cases where we need to resort to static
). As
an example of the community’s emphasis on favouring unnamed namespaces, we may
recall that the alternative of using static
to control the linkage of an
object via its declaration in namespace scope was actually deprecated in
C++03; quoting the C++03 standard, ISO/IEC 14882:2003 Programming Languages -
C++ [*emphasis* mine]:
[namespace.unnamed]/2 The use of the
static
keyword is deprecated when declaring objects in a namespace scope (see annex D); the unnamed-namespace provides a superior alternative.[depr.static] The use of the
static
keyword is deprecated when declaring objects in namespace scope […].
The deprecation was eventually revoked for C++11, as per C++ Standard Core
Language Issue 1012, but undeprecation was arguably based on compatibility
concerns and not a revokation of the advice to use unnamed namespaces over
static
when applicable.
[Rant] A common special case
A common-day special case for implicit internal linkage applies for a variable name with namespace scope if it is:
even if it is not explicitly declared within an unnamed namespace nor declared
with static
. This is not a special case from some dark corner of standard, but
it can still be used to argue about an general approach when working with any
kind of special cases: to avoid writing code that relies on others knowing the
special cases by heart; of one can make use of a more general alternative
approach, I would argue for always doing so. E.g. for this particular example,
always declare variable names within an unnamed namespace if the intent is for
the variable name to have internal linkage, even if they may fall under a
special case and have, implicitly, internal linkage. A risk with relying on
special cases is that they can lead to future mishaps when another developer
comes along and follows the existing pattern of the source code without knowing
about the details. E.g. in this particular example declaring another name, which
does not fall under the same special case, in the same scope, mistakenly
thinking one follows the practice on the pre-existing (“internal linkage
intended”) source code.
To wrap up this sub-section with a contrived example; replacing this scenario:
// bar.cpp, v.1,
// by someone well-versed in the standard
namespace bar {
const int a = 42; // internal linkage
// ... a is used and intended to only ever be used in the
// scope of this source file / TU.
} // namespace bar
// bar.cpp, v.2,
// modified by a somewhat novice C++ developer (/& sloppy peer review?)
namespace bar {
const int a = 42; // internal linkage
int b = 84; // external linkage
// ... a and b is used and intended to only ever be used
// in the scope of this source file / TU.
// b can be referred to, and written to, from other TU's!
} // namespace bar
in favour of the following one:
// bar.cpp, v.1,
// by someone well-versed in the standard with a mindset of future-proofing
namespace bar {
namespace {
const int a = 42; // internal linkage
} // namespace
// ... a is used and intended to only ever be used in the
// scope of this source file / TU.
} // namespace bar
// bar.cpp, v.2,
// modified by a somewhat novice C++ developer
namespace bar {
namespace {
const int a = 42; // internal linkage
int b = 84; // internal linkage
} // namespace
// ... a and b is used and intended to only ever be used
// in the scope of this source file / TU.
} // namespace bar
External linkage
External linkage means that a name can be referred to from scopes in other TUs
than the one in which it has been declared. This applies for e.g. functions and
variables (barring the special case above) declared at namespace scope, given
that they do not reside within an unnamed namespace nor have been declared with
the static
class storage specifier.
We modify the internal linkage example above such that, in the following
snippets, the function name a
, declared (and defined) at namespace scope in
the namespace foo
, has external linkage.
// foo.h
#pragma once
// foo.cpp
#include "foo.h"
#include <iostream>
namespace foo {
void a() { std::cout << "external linkage\n"; }
} // namespace foo
foo::a()
can thus be referred to from the scope of different TU’s, say the TU
associated with the main.cpp
source file in the snippet below, given that we
expose the name, say by a (re-)declaration, in main.cpp
.
// main.cpp
#include "foo.h"
namespace foo {
void a(); // (re-)declaration of foo::a()
} // namespace foo
int main() {
foo::a();
return 0;
}
λ g++ -std=c++14 main.cpp foo.cpp -o foo && ./foo
external linkage
One may also explicitly make use of the extern
class storage specifier to
declare a variable name to have external linkage, which can be used to e.g.
declare the special case above, a non-volatile, non-template (C++17: non-inline)
const-qualified variable, to have external linkage. As for the possible
conflicts between explicit internal and external linkage mechanisms—conflicts we
should not hope to see in well-written code—note that an unnamed namespace takes
linkage precedence over extern
, whereas attempting to declare a variable name
with both extern
and static
is an error.
// bar.cpp
namespace bar {
int a = 0; // external linkage
extern int b = 0; // external linkage
const int c = 0; // internal linkage
extern const int d = 0; // external linkage
namespace {
int e = 0; // internal linkage
extern int f = 0; // internal linkage
const int g = 0; // internal linkage
extern const int h = 0; // internal linkage
} // namespace
// [gcc] error: conflicting specifiers in declaration ...
extern static int illegal_a = 42;
extern static const int illegal_b = 42;
} // namespace bar
Finally note that the extern
examples in the snippet above are likely to
result in -Wextern-initializer
warnings although they are all perfectly legal.
The warning is arguably intended to guard against multiple definitions of
a variable name with external linkage, as the likely use case of extern
, from
the view of the compiler, is to declare or re-declare a given external linkage
name in a header file (intended for several TU’s to use) or several source
files, respectively, but to leave the definition of the variable to a single TU
where extern
can be omitted, as it has already been declared as such. If using
this idiom (which is, along with the warning, sometimes controversial), extern
sematically indicates not only that the name has external linkage but also that
its definition is elsewhere, in the very source file where extern
has been
omitted from the (re-)declaration and definition.
A recap of name lookup
We have briefly covered linkage, which governs whether a given scope may refer to given name or not. We’ll now proceed to name lookup, a mechanism which governs how the compiler may, when encountering a name, look for the declaration of that name. Lookup may seem to have a strong relation to the linkage of a name, but these two mechanisms are actually orthogonal; two same-name entities in two different TUs which both have internal linkage are strictly separate entities, not violating the One-Definition Rule (ODR), and name lookup for the respective name is concerned about the concept of scope rather than linkage. Linkage affects the scope for which a given name is referrable, but it has no direct relation to the name lookup procedure.
We’ll focus on name lookup for functions, as this is a case which contains the most quirks and also covers the context for which this post was written. For name lookup of a function name in a well-formed program, the result is at least one candidate function; if more than one candidate is found, a mechanism called overload resolution is sub-sequently used to pick the best candidate. There are quite a lot of rules and special cases for how overload resolution works, and we will not dwell any deeper into those in this particular post, but we’ll summarize the two main error cases w.r.t. function name lookup and overload resolution as:
- name lookup finds no candidate function, or
- name lookup finds several candidate functions but overload resolution cannot non-ambiguously select which of these candidate that is the best match.
Now, name lookup of a function will use one of the following procedures:
- qualified name lookup,
- unqualified name lookup,
- argument-dependent lookup (ADL),
where the latter is only present for function names, thus our choice to focus on function name lookup.
We will not go into any details of the former two, …
Qualified name lookup
…
Unqualified name lookup
Lexical scope!
Argument-dependent lookup (ADL)
… No lexical scope!
ADL for a name with internal linkage
… a name that can not be found via qualified nor unqualified name lookup
(lexical scope). In this case, we cannot use an unnamed namespace for internal
linkage of the name. We need to resort to static
, which was deprecated and
then un-deprecated.


Appearance
Butterfree is a blue Pokemon butterfly. Butterfree has large, luxurious white wings with black edges. Big, oval butterfly eyes are red. Two long antennae stick out on the head. The front legs of the Pokemon are very short. The hind legs are small in height, but they have a large foot length, so that the pokemon can, while standing, maintain balance, despite the outweighing wings behind its back. The female butterfly wings on the lower wings have black spots.


“There is a farm in Burton, a village in the parish of Weobley, which Mr William Bridges, a linen draper of London, has in mortgage from one Thomas Tomkyns, a decayed yeoman. This farm was taken in by lease of Mrs Elizabeth Bridges, about Michaelmas 1669. Soon after this tenant was entered on the farm, some familiar began to act apish pranks by knocking boldly at the door in the dark of the evening, and the like early in the morning, but nobody to be seen. The stools and forms [benches] were thrown into disorder, heaps of malt and vetches mingled, a mow of pulse and pease likewise; loaves of bread on a table carried into another room, or hid in tubs covered with cloths; cabbage plants dug up and replanted in various patterns; a half-roasted pig demolished except for the bones; some cattle died and among others a sow leaped up and danced in strange postures, and at last fell down dead.”
Account of a seventeenth century poltergeist, quoted in Peter Ackroyd, The English Ghost : Spectres Through Time (2010)


--- layout: documentation title: KillChainPhasesReferenceType ---
| Field Name | Type | Description |
|---|---|---|
| Kill_Chain_Phase1..n | KillChainPhaseReferenceType |
The Kill_Chain_Phase field specifies a single Kill Chain phase associated with this item. |


| 015:018 Khan | : |
Except him (devil) that gains hearing by stealing, he is pursued by a clear flaming fire. |
| 015:018 Maulana | : |
But he who steals a hearing; so there follows him a visible flame. |
| 015:018 Pickthal | : |
Save him who stealeth the hearing, and them doth a clear flame pursue. |
| 015:018 Rashad | : |
If any of them sneaks around to listen, a mighty projectile will chase him back. |
| 015:018 Sarwar | : |
except for those who stealthily try to listen to the heavens, but who are chased away by a bright flame. |
| 015:018 Shakir | : |
But he who steals a hearing, so there follows him a visible flame. |
| 015:018 Sherali | : |
But if anyone hears stealthily something of revelation and distorts it, there pursues him a bright flame. |
| 015:018 Yusufali | : |
But any that gains a hearing by stealth, is pursued by a flaming fire, bright (to see). |
Concepts/Themes Covered: أركان الإسلام > التوحيد > توحيد الله تعالي > وحدانيته Pillars of Islam> Islamic> Oneness of Allah> Singularity and Being Unique أركان الإسلام > (محمد (صلى الله عليه وسلم > مخاطبة الله إياه Pillars of Islam> The Blessed Muhammad(PBUH)> Allah's Address to Him(PBUH) الإيمان > الغيب > الشيطان > سلوكه الشيطاني Faith> The Unseen World> Satan, the Devil> His Devilish Conduct الإنسان والعلاقات الأخلاقية > الأخلاق الذميمة > استراق السمع Man and The Moral Relations>The Dispraised Morals>To Gain Hearing العلوم والفنون > الكواكب Science and Art>The Planets
This tool uses eight English parallel translations for the Holy Quran imported from Mr. Clay Smith. You can also visit Qurany Concepts for browsing the Quran themes or topics. If you want to search the Holy Quran for keywords, please visit Qurany Keywords.


Most people familiar with DMT have either taken oral doses with MAOIs or have smoked it as the freebase. I have done both and have had many awe inspiring experiences. Experiences on DMT via other routes of administration are more rare. By other I mean injection. Intramuscular injection was (maybe is) popular for legitamite study. Personally I don't care for the hassle and muscle stiffness of this route of administration when the same effects and onset can be expected from smoking.
Intravenous injection is another matter entirely. Most people would describe smoking DMT as like getting hit with a ton of bricks. IV DMT is like getting hit with a small planet. What follows is my last and most intense experience with DMT acetate IV.
About one year ago I decided to clear out my closet and found something like 400 grams of mimosa hostillis root bark left over from the previous year before I moved in with roommates who were somewhat anti-drug. Not wanting to have that sort of thing just lying around, I decided to 'dispose' of it. Over the course of a few weeks I extracted over a gram of DMT. I don't remember the exact quantities but I do remember it was enough for me and my friends to trip for quite some time.
Wanting to fully experience DMT in all of it's forms, I had decided to experiment with IV administration about a month earlier. Having had a bad experience the previous year trying with the hydrochloride salt, I decided to try with the acetate salt. I was successful and really impressed with the intensity of it. At around as low as 1/6 the active dose of the smoked form, I was thrust immediately (even more immediately than smoking) into the trip. It is like those roller coasters that suddenly launch you down the track like a rocket. Unfortunatly, the initial euphoria I usually get with smoking it is replaced with a jolt, a 'holy shit' feeling, but the other effects are USUALLY the same, just amplified slightly. I say usually because at higher doses this is not true. This happens to be the case here.
It was mid-afternoon, mid-autumn at the house that I lived in with two roommates. One was home.  He had specificly asked me when I moved in not to extract DMT there, but I asked him years ago to not be such an asshole, so we ended up with a case of 'you get what you give.' It was a beatiful day, and I was in a good mood, but bored and dreading a class I would be heading to in about 50 minutes. I don't remember what class, but I remember knowing I would be bored out of my skull.
To spice things things up, I decided to do a little experiment. I wanted to try an IV dose the same size as a small smoked dose. I can't recall the size, maybe 40-80 mg. This was prepared by filling a 1 cc syringe full of distilled water. 60 units are added to a bottle cap, 40 to a spoon. To the cap was added a few drops of lab grade glacial acetic acid from an eyedropper. The DMT was added to the spoon and heated lightly until it softened. A couple drops of the dilute acid was added and the spoon was heated. This was repeated as many times as necessary to fully dissolve the DMT.
I discovered the first time doing this that adding too much acid was very bad. It causes mild acute acidosis. I got an odd and uncomfortable push. Breathing sped up dramaticaly and I could actually taste vinegar as I exhaled. It also caused pain at the injection site. Blood is slightly basic and is buffered, so this lasts only a few seconds, but after that first freaky time I was extremely careful with the neutralization. I have since read on some forum that, unlike the HCl salt, DMT acetate can be isolated in crystaline form, which would eliminate problems with over-acidification, but I have not tried so I can't confirm this.
 Once I had used yellow-tinted DMT that had not been recrystallized and the solution came out slightly yellow, but if the DMT is good, it will come out clear.
I was otherwise clean and sober. I don't remember eating anything yet that day. The sun was shining through the window as I had removed one of the decidely southwestern colored afgans I was using as a curtain. My room is decorated with Alex Grey prints, carpeted with material with similar color schemes as my 'curtains,' and most of the furniture is wood. In a sentence, it is set up to be cool to trip in. I turned on a Tool song from the Lateralus CD, tied off, and pushed in the plunger. There was no burn, no hyperventilating vinegar breath, so there was no appreciable excess of acid. Though the dose was prepared perfectly, immediately, I knew was in for something I didn't expect.
Sometimes I've experienced and have had others describe a subtle change in hearing when smoking DMT. It is like tinitis, but not exactly audible, just a percieved change in frequencies. This was the first change in perception I experienced, only more pronounced. In maybe 1 second after injection, this very audible whining started, and quickly became louder. Soon after, the visuals started. These were unlike any DMT visuals I have had, in that there were no patterns. Becoming startled (that jolt I mentioned earlier), I bolted upright out of my seat and looked around. Instead of euphoria, I experienced apprehension and meth like stimulation. Everything had the look of a water painting. Then I noticed that I no longer noticed that noise, but could not hear the music either. I could hear nothing.
Now I was becoming concerned, and that manifested itself into the trip. Vision was extremely disorienting, as nothing really made sense. The colors and objects of my room were mostly meaningless, everything seemed to be one fluid object that I couldn't focus on, but I was able to recognize the chair I was until moments ago sitting in calmly. It moved from the edge of my vision to try to wrap around me, but I quickly turned away to escape its ravenous grasp. I've had strange dillusions like this on acid, but DMT has always been more of visual trip without too much insane thinking.
As the increasing visual chaos and apparent deafness became almost too much to bear, the strangest thing happened. Fade to white. My entire field of vision just faded to white. I was standing up in the middle of my room with music playing, blind and deaf. I know I moved my head around to see if that would help, but it didn't. I could feel a presence(s) but could not see or hear any one/thing. Pessimistic, I was sure my roommate had come in and saw me standing still in the middle of the room with music playing, staring blindly and unable to hear or respond. I thought the chair had consumed me. I thought I had caused myself permanent brain damage. I thought I had died. Time had no meaning, so I don't know how long this lasted, but it did finally fade back to reality. The trip took a more normal direction, but I was still rattled. The final effects faded 45 minutes after injection. Just in time to get to school.
Having survived the ordeal, I was very excited. I called a friend and described the experience.  Later I tried to find cases of acidosis that had similar symptoms but could find nothing. I have to conclude that these strange occurences are from a massive dose of DMT. All in all, this was the most frightening experince I've ever had, including opiate overdose, a bad reaction mixing MAOIs with MDMA accidently, being robbed at gunpoint, et cetera.
I submit this experience not only to add to the available information on DMT preparations and trips, but so others might decide that IV isn't really the route to take. Injecting a chemical of often questionable purity mixed with vinegar directly into the vein is reckless. I was careful, my DMT was the purest I or anyone I know has ever seen, my GAA is about as pure as it gets, pH was as close to 7 as possible, but looking back I realize how reckless that really was. A 'normal' IV dose has effects almost indistinguishable from that of a normal smoked dose, so why bother?
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.


today’s the day
So guess what?! that take home challenge did the job and I am now a paid data scientist at Qlouder. Nice, eh? Here starts a new journey. Although I will most definitely be incorporating my mad data knowledge into my work here, I also have a lot of development stuff to learn. And that journey of discovery is something I will be documenting for your reading pleasure. And my own peace of mind.


The side navigation on the left of this demo application is an example of implementation of the mz-sidenav
component with fixed
property set to true
. On small resolution the side navigation will be automatically hidden so you need to add a collapse button to allow the sidenav to be toggled.
The side navigation will be hidden on all screen resolution if fixed
property is either omitted or false on the mz-sidenav
component. To be able to toggle the side navigation visibility add a mz-button
component and supply the button id
trought the collapseButtonId
property of the mz-sidenav
component. The class show-on-large
will automatically be applied on the button to make it visible on all screen resolutions when fixed
property is not provided or false.
To toggle the side navigation add a mz-button
component and supply the button id
to the mz-sidenav
component trought the collapseButtonId
property. To avoid the collapse button to be visible at the same time as a fixed side navigation on large resolution, add the class hide-on-large-only
to the buttonClass
property of the mz-button
.
You can add collapsible menus to your sidebar by using the mz-sidenav-collapsible
component.
Side navigation can be customized using the following properties on the mz-sidenav
element.
| Property | Mandatory | Type | Description | Default value |
|---|---|---|---|---|
| backgroundClass | string | Allow css class to be applied on the sidenav | ||
| collapseButtonId | string | Id of the collapse button | ||
| closeOnClick | boolean | Closes side-nav on link clicks, useful for non-fixed navigation | false | |
| edge | string | Choose the horizontal side navigation opening origin, could be left or right |
left | |
| fixed | boolean | Side navigation will be fixed on small and medium resolution screen while hidden on small resolution | false | |
| id | string | Id of the side navigation | ||
| width | number | Side navigation width | 300 |


--- layout: post title: Software setup behind Robot Co-op categories: - sightings - documentation author: marcel published: true date: 2006-03-20 20:25:00.000000000 +00:00 ---
For those who were interested by last week’s post on the Robot Co-op’s hardware setup,
Eric Hodel has posted a follow up detailing the Robot Co-op’s software setup. If you are working on a large scale Ruby on Rails application, take this opportunity to compare notes. Thanks for the details Eric.


Cideria Stingers
Reclasifying Cnidarians
Organelle Size Range
Capsule Size Range
nematocysts_Mechanism-02b
by
Sam Spaeth
on
Sketchfab