PC.ParallelGet
Syntax
PC.ParallelGet (port : int) : nat1
Description
The PC.ParallelGet function is used to read the value of certain pins on a parallel port. The port is specified with the port parameter which can have the value 1, 2 or 3 corresponding to "LPT1", "LPT2" and "LPT3". This procedure can be used to control robots and peripherals.
Example
This program reads and prints the values of the five data pins of the PC's parallel port.
% Read in the set of pin values from LPT1
const val : int := PC.ParallelGet (1)
put "Pin 10 is: ", (val div 64) mod 2
put "Pin 11 is: ", (val div 128) mod 2
put "Pin 12 is: ", (val div 32) mod 2
put "Pin 13 is: ", (val div 16) mod 2
put "Pin 15 is: ", (val div 8) mod 2
Details
The five pins that are used for parallel input are pins 10-15. The PC.ParallelGet procedure returns the sum of
| |
64 |
|
Pin 10 high |
| |
128 |
|
Pin 11 high |
| |
32 |
|
Pin 12 high |
| |
16 |
|
Pin 13 high |
| |
8 |
|
Pin 15 high |
The mod and div operators can be used to determine which pins are high or low.
Status
Exported qualified.
This means that you can only call the function by calling PC.ParallelGet, not by calling ParallelGet.
See also
PC.ParallelPut procedure for a diagram of the pins. That procedure is used to set the values on the parallel port.


I don't have a target audience for this blog but I plan on writing about projects I'm working on and stuff I find interesting. I usually tweet about information technology, open source software, Linux, and digital rights and you can follow me @davidprush. I work for the United States Air Force as an avionics technician; I plan on continuing my military career until 2026. After I retire from military I plan pursuing a career in software engineering. My interest in computer programming started in early grade school and progressed from AP Computer Science to attending the University of Pittsbugrh for Information Science. For some reason a computer science degree was not something I seriously considered--maybe it was the advanced math. Nonetheless, my love for computers--especially Linux--continued to evolve and still provides a meaningful experience for me today.
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Since November 2015 Kraam artist-run space has been located in a former toy factory Polymer.
Kraam has been hosting exhibitions, movie nights, "Coffee without borders" meetings-talks,
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Kraam is initiated and run by artists Killu Sukmit and Minna Hint. Currently we are searching
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Read Kraam's contribution here


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/* In-browser code editing
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CodeMirror is a JavaScript component that provides a code editor in the browser. When a mode is available for the language you are coding in, it will color your code, and optionally help with indentation.
A rich programming API and a CSS theming system are available for customizing CodeMirror to fit your application, and extending it with new functionality.
All of CodeMirror is released under a MIT-style license. To get it, you can download the latest release or the current development snapshot as zip files. To create a custom minified script file, you can use the compression API.
We use git for version control. The main repository can be fetched in this way:
git clone http://marijnhaverbeke.nl/git/codemirror
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The manual is your first stop for learning how to use this library. It starts with a quick explanation of how to use the editor, and then describes the API in detail.
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CodeMirror is developed and maintained by me, Marijn Haverbeke, in my own time. If your company is getting value out of CodeMirror, please consider purchasing a support contract.
CodeMirror support contracts exist in two forms—basic at €100 per month, and premium at €500 per month. Contact me for further information.
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20-05-2013: Version 3.13:
cursorScrollMargin
and coverGutterNextToScrollbar
.19-04-2013: Version 3.12:
maxHighlightLength
and historyEventDelay
.addToHistory
option for markText
.20-03-2013: Version 3.11:
collapserange
, formatting
, and simple-hint
addons. plsql
and mysql
modes (use sql
mode).continuecomment
addon now exposes an option, rather than a command.placeholder
, HTML completion.hasFocus
, defaultCharWidth
.beforeCursorEnter
, renderLine
.show-hint
completion dialog addon.21-02-2013: Version 3.1:
CodeMirror.Pass
to signal they didn’t handle the key.simple-hint.js
.insertLeft
option to setBookmark
.eachLine
method to iterate over a document."beforeChange"
and "beforeSelectionChange"
events."hide"
and "unhide"
events to marked ranges.coordsChar
’s interpretation of its argument to match the documentation.25-01-2013: Version 3.02:
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21-01-2013: Version 3.01:
/addon
. You might have to adjust your paths.rtlMoveVisually
option.showIfHidden
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option.21-01-2013: Version 2.38:
Integrate some bugfixes, enhancements to the vim keymap, and new modes (D, Sass, APL) from the v3 branch.
20-12-2012: Version 2.37:
10-12-2012: Version 3.0:
New major version. Only partially backwards-compatible. See the upgrading guide for more information. Changes since release candidate 2:
20-11-2012: Version 3.0, release candidate 2:
addKeyMap
and removeKeyMap
methods.formatting
and closetag
add-ons.20-11-2012: Version 2.36:
scrollIntoView
public.defaultTextHeight
method.


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Padma, is a 9th grader who likes to do all kinds of art work from nail art, to drawing portraits to decorating rooms, and to making Terracotta Jewellery :)
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Easyjet relaunches package holiday business as profits slide
EasyJet has relaunched its package holiday business as it looks to increase customer numbers following the collapse of major competitor Thomas Cook.
It made the announcement as it reported diving profits despite record passenger numbers in the year to September, as it was impacted by "some weakness in consumer confidence".
The budget airline reported a 26 per cent drop in pre-tax profits to £427 million for the 12 months to September 30.
Meanwhile, revenues jumped by 8.3 per cent to £6.4 billion on the back of increased capacity.
However, total revenue per seat decreased by 1.8 per cent to £60.81 through the period, as the company blamed weaker confidence due to "uncertainty" surrounding Brexit.
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Headline costs per seat increased by 1.5 per cent to £56.74 as higher fuel costs and adverse foreign exchange rates put pressure on profitability.
EasyJet said it hopes to make progress in 2020 through the launch of EasyJet Holidays before Christmas, which it says will offer beach and city holidays through EasyJet's network.
It said it expects the new platform to break even in the 2020 financial year.
Chief executive Johan Lundgren said: "EasyJet finished the 2019 financial year with a strong performance across the business and a record summer.
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The airline also announced plans to become the "first major airline to operate net-zero carbon flights" as it pushes forward with a sustainability programme which will see it offset the carbon emissions from the fuel of all of its flights.
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The firm highlighted that it is "only an interim measure" while new technologies are being developed, including efforts to develop hybrid and electric planes.


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Python FeaturesPython provides lots of features that are listed below. 1) Easy to Learn and UsePython is easy to learn and use. It is developer-friendly and high level programming language. 2) Expressive LanguagePython language is more expressive means that it is more understandable and readable. 3) Interpreted LanguagePython is an interpreted language i.e. interpreter executes the code line by line at a time. This makes debugging easy and thus suitable for beginners. 4) Cross-platform LanguagePython can run equally on different platforms such as Windows, Linux, Unix and Macintosh etc. So, we can say that Python is a portable language. 5) Free and Open SourcePython language is freely available at offical web address.The source-code is also available. Therefore it is open source. 6) Object-Oriented LanguagePython supports object oriented language and concepts of classes and objects come into existence. 7) ExtensibleIt implies that other languages such as C/C++ can be used to compile the code and thus it can be used further in our python code. 8) Large Standard LibraryPython has a large and broad library and prvides rich set of module and functions for rapid application development. 9) GUI Programming SupportGraphical user interfaces can be developed using Python. 10) IntegratedIt can be easily integrated with languages like C, C++, JAVA etc.
Next TopicPython History
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Python FeaturesPython provides lots of features that are listed below. 1) Easy to Learn and UsePython is easy to learn and use. It is developer-friendly and high level programming language. 2) Expressive LanguagePython language is more expressive means that it is more understandable and readable. 3) Interpreted LanguagePython is an interpreted language i.e. interpreter executes the code line by line at a time. This makes debugging easy and thus suitable for beginners. 4) Cross-platform LanguagePython can run equally on different platforms such as Windows, Linux, Unix and Macintosh etc. So, we can say that Python is a portable language. 5) Free and Open SourcePython language is freely available at offical web address.The source-code is also available. Therefore it is open source. 6) Object-Oriented LanguagePython supports object oriented language and concepts of classes and objects come into existence. 7) ExtensibleIt implies that other languages such as C/C++ can be used to compile the code and thus it can be used further in our python code. 8) Large Standard LibraryPython has a large and broad library and prvides rich set of module and functions for rapid application development. 9) GUI Programming SupportGraphical user interfaces can be developed using Python. 10) IntegratedIt can be easily integrated with languages like C, C++, JAVA etc.
Next TopicPython History
|
Python FeaturesPython provides lots of features that are listed below. 1) Easy to Learn and UsePython is easy to learn and use. It is developer-friendly and high level programming language. 2) Expressive LanguagePython language is more expressive means that it is more understandable and readable. 3) Interpreted LanguagePython is an interpreted language i.e. interpreter executes the code line by line at a time. This makes debugging easy and thus suitable for beginners. 4) Cross-platform LanguagePython can run equally on different platforms such as Windows, Linux, Unix and Macintosh etc. So, we can say that Python is a portable language. 5) Free and Open SourcePython language is freely available at offical web address.The source-code is also available. Therefore it is open source. 6) Object-Oriented LanguagePython supports object oriented language and concepts of classes and objects come into existence. 7) ExtensibleIt implies that other languages such as C/C++ can be used to compile the code and thus it can be used further in our python code. 8) Large Standard LibraryPython has a large and broad library and prvides rich set of module and functions for rapid application development. 9) GUI Programming SupportGraphical user interfaces can be developed using Python. 10) IntegratedIt can be easily integrated with languages like C, C++, JAVA etc.
Next TopicPython History
|
Python FeaturesPython provides lots of features that are listed below. 1) Easy to Learn and UsePython is easy to learn and use. It is developer-friendly and high level programming language. 2) Expressive LanguagePython language is more expressive means that it is more understandable and readable. 3) Interpreted LanguagePython is an interpreted language i.e. interpreter executes the code line by line at a time. This makes debugging easy and thus suitable for beginners. 4) Cross-platform LanguagePython can run equally on different platforms such as Windows, Linux, Unix and Macintosh etc. So, we can say that Python is a portable language. 5) Free and Open SourcePython language is freely available at offical web address.The source-code is also available. Therefore it is open source. 6) Object-Oriented LanguagePython supports object oriented language and concepts of classes and objects come into existence. 7) ExtensibleIt implies that other languages such as C/C++ can be used to compile the code and thus it can be used further in our python code. 8) Large Standard LibraryPython has a large and broad library and prvides rich set of module and functions for rapid application development. 9) GUI Programming SupportGraphical user interfaces can be developed using Python. 10) IntegratedIt can be easily integrated with languages like C, C++, JAVA etc.
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|
MoveToCode
|
This script allows for an object to be movable, scalable, and rotatable with one or two hands. More...
Public Types | |
| enum class | HandMovementType { OneHandedOnly = 0 , TwoHandedOnly , OneAndTwoHanded } |
| enum class | TwoHandedManipulation { Scale , Rotate , MoveScale , MoveRotate , RotateScale , MoveRotateScale } |
| enum class | RotateInOneHandType { MaintainRotationToUser , GravityAlignedMaintainRotationToUser , FaceUser , FaceAwayFromUser , MaintainOriginalRotation , RotateAboutObjectCenter , RotateAboutGrabPoint } |
| enum class | ReleaseBehaviorType { KeepVelocity = 1 << 0 , KeepAngularVelocity = 1 << 1 } |
Public Member Functions | |
| void | ForceEndManipulation () |
| Releases the object that is currently manipulated More... | |
| Vector3 | GetPointerGrabPoint (uint pointerId) |
| Gets the grab point for the given pointer id. More... | |
| void | OnPointerDown (MixedRealityPointerEventData eventData) |
| When a pointer down event is raised, this method is used to pass along the event data to the input handler. More... | |
| void | OnPointerDragged (MixedRealityPointerEventData eventData) |
| Called every frame a pointer is down. More... | |
| void | OnPointerUp (MixedRealityPointerEventData eventData) |
| When a pointer up event is raised, this method is used to pass along the event data to the input handler. More... | |
| void | OnPointerClicked (MixedRealityPointerEventData eventData) |
| When a pointer clicked event is raised, this method is used to pass along the event data to the input handler. More... | |
| void | OnBeforeFocusChange (FocusEventData eventData) |
| Focus event that is raised before the focus is actually changed. More... | |
| void | OnFocusChanged (FocusEventData eventData) |
| Focus event that is raised when the focused object is changed. More... | |
Properties | |
| Transform | HostTransform [get, set] |
| HandMovementType | ManipulationType [get, set] |
| TwoHandedManipulation | TwoHandedManipulationType [get, set] |
| bool | AllowFarManipulation [get, set] |
| RotateInOneHandType | OneHandRotationModeNear [get, set] |
| RotateInOneHandType | OneHandRotationModeFar [get, set] |
| ReleaseBehaviorType | ReleaseBehavior [get, set] |
| RotationConstraintType | ConstraintOnRotation [get, set] |
| bool | UseLocalSpaceForConstraint [get, set] |
| Gets or sets whether the constraints should be applied in local space of the object being manipulated or world space. More... | |
| MovementConstraintType | ConstraintOnMovement [get, set] |
| bool | SmoothingActive [get, set] |
| float | SmoothingAmoutOneHandManip [get, set] |
| ManipulationEvent | OnManipulationStarted [get, set] |
| ManipulationEvent | OnManipulationEnded [get, set] |
| ManipulationEvent | OnHoverEntered [get, set] |
| ManipulationEvent | OnHoverExited [get, set] |
This script allows for an object to be movable, scalable, and rotatable with one or two hands.
You may also configure the script on only enable certain manipulations. The script works with both HoloLens' gesture input and immersive headset's motion controller input.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.ForceEndManipulation | ( | ) |
Releases the object that is currently manipulated
| Vector3 Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.GetPointerGrabPoint | ( | uint | pointerId | ) |
Gets the grab point for the given pointer id.
Only use if you know that your given pointer id corresponds to a pointer that has grabbed this component.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.OnBeforeFocusChange | ( | FocusEventData | eventData | ) |
Focus event that is raised before the focus is actually changed.
Useful for logic that needs to take place before focus changes.
Implements Microsoft.MixedReality.Toolkit.Input.IMixedRealityFocusChangedHandler.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.OnFocusChanged | ( | FocusEventData | eventData | ) |
Focus event that is raised when the focused object is changed.
Implements Microsoft.MixedReality.Toolkit.Input.IMixedRealityFocusChangedHandler.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.OnPointerClicked | ( | MixedRealityPointerEventData | eventData | ) |
When a pointer clicked event is raised, this method is used to pass along the event data to the input handler.
Implements Microsoft.MixedReality.Toolkit.Input.IMixedRealityPointerHandler.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.OnPointerDown | ( | MixedRealityPointerEventData | eventData | ) |
When a pointer down event is raised, this method is used to pass along the event data to the input handler.
Implements Microsoft.MixedReality.Toolkit.Input.IMixedRealityPointerHandler.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.OnPointerDragged | ( | MixedRealityPointerEventData | eventData | ) |
Called every frame a pointer is down.
Can be used to implement drag-like behaviors.
Implements Microsoft.MixedReality.Toolkit.Input.IMixedRealityPointerHandler.
| void Microsoft.MixedReality.Toolkit.UI.ManipulationHandler.OnPointerUp | ( | MixedRealityPointerEventData | eventData | ) |
When a pointer up event is raised, this method is used to pass along the event data to the input handler.
Implements Microsoft.MixedReality.Toolkit.Input.IMixedRealityPointerHandler.
|
getset |
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getset |
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getset |
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getset |
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getset |
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getset |
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getset |
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getset |
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getset |
|
getset |
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getset |
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getset |
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getset |
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getset |
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getset |
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getset |
Gets or sets whether the constraints should be applied in local space of the object being manipulated or world space.


'SNL': Jon Hamm Is Bill Taylor in 'Days of Our Lives' Parody of Impeachment Hearings (Video)
No Alec Baldwin this week, but “SNL” continues its run of surprise celebrity cameos in season 45
by Phil OwenGiven the pretty eventful political week we just had, there was really only one thing that “SNL” could have mocked in its cold open this week: the televised Donald Trump congressional impeachment hearings.
The sketch took the hearings and, uh, very loosely adapted them into a “Days of our Lives” parody, dubbed “Days of our Impeachment.” The opening title crawl for the parody declared that they were doing this for the sake of those in the media who were dragged this week for having complained that the hearings “lacked pizzazz” or whatever.
The cold open brought out what felt like the entire “SNL” cast, with a bonus in the form of Jon Hamm making a surprise appearance as ambassador Bill Taylor.
Also Read:
But seriously, this sketch had a shockingly large group of performers involved. We had Alex Moffat as Adam Schiff, Cecily Strong as Marie Yovanovitch, Kate McKinnon as Rudy Giuliani, Beck Bennett as Mitch McConnell, Kyle Mooney as Gordon Sondland, Melissa Villasenor as Alexandria Ocasio-Cortez and Heidi Gardner as a random woman who stood in the background making shocked exclamations whenever something surprising happened.
And for good measure, we had Pete Davidson as Michael Avenatti, who showed up to try to remind everyone of Trump’s affairs, and Kenan Thompson as Cleveland Browns defensive end Myles Garrett, who showed up to try to defend himself after he was suspended by the NFL for the season this week for hitting an opposing player with his helmet.
To give you an idea of how the sketch went, I’ll describe the part where Villasenor came on stage as AOC.
“I didn’t expect to see you here,” Hamm’s Bill Taylor said flirtatiously.
 Then the two of them made out.
Also Read:
No Alec Baldwin as Donald Trump this week, but obviously Trump’s tweets about the hearing did come up. “SNL” mocked the whole furor over the tweets, which were widely interpreted on social media as witness intimidation.


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| poisson err | ||
| label | ||
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| thickness err (mm) | ||
| I0 (Hz) | ||
| I0 err (Hz) | ||
| k0 (cm^2/g) | ||
| k0 err (cm^2/g) | ||
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| average density (g/cm^3) | density err (g/cm^3) | |
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3-4pm, Hesburgh Library,B001D
Social Anxiety Group Wednesdays 3:20-4:50pm Focus! Wednesdays 3:30-4:45pm Not the Perfect Family Wednesdays 4:15-5:30pm Graduate Therapy Group Wednesdays 5-6:30pm


DOM Ready Event
One of the main reasons we use jQuery and other libraries is to work around the countless browser differences and bugs (especially in the older browsers). This is an example of four different ways to bind a function to the DOM Ready event. View source to learn more.


- Language(Locale) - Constructor for enum presentation.utils.LocaleUtils.Language
-
- lastGuess - Variable in class domain.model.player.computer.FiveGuessComputer
-
The guess tried in the last turn
- launchLoginForm() - Method in class presentation.controller.PresentationController
-
Launch the login view
- launchNebulaForm() - Method in class presentation.controller.PresentationController
-
Launch the nebula view
- listFiles(String) - Static method in class persistence.utils.FileUtils
-
List files
- loadView - Variable in class presentation.controller.view.NebulaViewController
-
- LoadView - Class in presentation.view
-
The Load View
- LoadView() - Constructor for class presentation.view.LoadView
-
Loads the LoadView tho nebula, where it will let the user configure the game.
- locale - Variable in enum presentation.utils.LocaleUtils.Language
-
- LocaleUtils - Class in presentation.utils
-
The Locale Utils
- LocaleUtils() - Constructor for class presentation.utils.LocaleUtils
-
- LocaleUtils.Language - Enum in presentation.utils
-
- login(String, String) - Method in interface domain.controller.data.UserDataController
-
Logs a new user into the system
- login(String, String) - Method in class persistence.model.UserDataModel
-
Checks if the user exists, and if it exists, checks if the password is correct
- login() - Method in class presentation.TerminalMastermind
-
- LOGIN_FXML_PATH - Static variable in class presentation.controller.PresentationController
-
- loginUser(String, String) - Method in class domain.controller.UserController
-
Checks if the user can be logged in
- LoginViewController - Class in presentation.controller.view
-
The login View Controller.
- LoginViewController() - Constructor for class presentation.controller.view.LoginViewController
-
- logoImageView - Variable in class presentation.controller.view.LoginViewController
-
- logoPlaceholder - Variable in class presentation.controller.view.LoginViewController
-


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This year has definitely been a crazy one. It has treated itself similar to one of those epic roller coaster rides.i While there are many things that I could have done but decided not to, I cannot help but appreciate everything that has happened in my life. Good or bad, they have become footprints in my ever going life. But now starts a new year and yet another path to create many more footprints to come.
### Turning Point in LA My dream journey has been steadily moving along. Though some of it may not completely be a dream, it is still a major footprint in my life. Something major happened near the beginning of the year. The company I was working for “Rhythm & Hues” declared bankruptcy and was forced to lay off hundreds of people. This was a major impact not only within the company but also in the industry around the world. This was a major sign that the business model behind visual effects was severely flawed and proved to everyone that this was the case. A studio that just recently won an Oscar in visual effects for the movie “Life of Pi” was forced to close lose a lot of its talents because they did not have the sufficient funds to keep everything going.
Though I am still very much in my youth in the industry, this was a major eye opener to me to really see that what you see in school isn’t what truly happens within the industry. While still in school, I saw this being such a lucrative industry and something I deeply wanted to commit to. But after talking with many experts and veterans of the industry, I came to realize that though this is a very passionate industry, it does take its toll on you.
I was able to stay and help finish work on the deathly project known as “Percy Jackson and the Sea of Monsters”. This project was already a nightmare for artists to begin with due to external conflicts. And this complete revamp of artists and company did not help at all. Though this was a difficult process, there was some minor light for me that I can always appreciate. I received my first credit! Being someone so new to the industry, a first credit is always a satisfying feeling. Regardless of the movie, it signifies a lot to a person. It reminds them all the hard work and emotions that went into being a part of something like this.
At this point, another opportunity came into play. With the way things were working out in LA, things didn’t seem stable nor secure.  This is where Reel FX comes into play. They did a very good job at seeing the struggles R&H had and tried their best to bring people over to the lonely star. I was one of those people. With a new area, new company, and new production, this was an opportunity that I couldn’t miss. Especially being as young as I am, this was something that I had to experience.
One of the biggest drives to even coming here was the opportunity to help develop a brand new pipeline for production. This was something that was very appealing to me especially coming from a studio that has always had such a defined and stable pipeline.
### Career For the new year, I want to ensure that I am always pushing myself in my career in one fashion or another. Never settling but also always appreciating. I also need to remember why I wanted to be in this industry or why we are here. We are here to put all our efforts into creating something amazing that can be shared and enjoyed by the world.
For the year, I really want to dedicate a lot of my extra time creating something that can be shared with the world. Creating something that can either be used or enjoyed by people. The reason I love programming so much is that I am able to use my mind to solve a problem in the world and easily deploy the solution to the people.
I realized that this past year was a very limiting time for me in terms of dance. I know that I must remember to always be open to learning opportunties and take every opportunity out there to dance or learn from some of my idols.
I really want to take some of my time to help those around us. I am not entirely sure what the best way to do this is, but in order for us to lose that selfishness, we need to commit some time completely to others.
Thinking Fast and Slow - Daniel Kahneman David and Goliath - Malcom Gladwell Masters of Doom - David Kushner
If you have any questions, follow and ping me on Twitter- I’m twitter.


|
BL3 SDK
0.0.1
Borderlands 3 Class Documentation
|
#include <BL3_Paper2D_classes.hpp>
Static Public Member Functions | |
| static UClass * | StaticClass () |
| Static Public Member Functions inherited from UObject | |
| static FChunkedFixedUObjectArray & | GetGlobalObjects () |
| template<typename T > | |
| static T * | FindObject (const std::string &name) |
| static UClass * | FindClass (const std::string &name) |
| template<typename T > | |
| static T * | GetObjectCasted (std::size_t index) |
| static UClass * | StaticClass () |
Public Attributes | |
| struct FIntPoint | TileSize |
| class UTexture2D * | TileSheet |
| TArray< class UTexture * > | AdditionalSourceTextures |
| struct FIntMargin | BorderMargin |
| struct FIntPoint | PerTileSpacing |
| struct FIntPoint | DrawingOffset |
| int | WidthInTiles |
| int | HeightInTiles |
| int | AllocatedWidth |
| int | AllocatedHeight |
| TArray< struct FPaperTileMetadata > | PerTileData |
| TArray< struct FPaperTileSetTerrain > | Terrains |
| int | TileWidth |
| int | TileHeight |
| int | Margin |
| int | Spacing |
| Public Attributes inherited from UObject | |
| void * | VTableObject |
| int32_t | ObjectFlags |
| int32_t | InternalIndex |
| class UClass * | Class |
| FName | Name |
| class UObject * | Outer |
Additional Inherited Members | |
| Public Member Functions inherited from UObject | |
| std::string | GetName () const |
| std::string | GetFullName () const |
| bool | IsA (UClass *cmp) const |
| void | ProcessEvent (class UFunction *function, void *parms) |
| void | ExecuteUbergraph (int EntryPoint) |
| Static Public Attributes inherited from UObject | |
| static FUObjectArray * | GObjects |
|
inlinestatic |
| TArray<class UTexture*> AdditionalSourceTextures |
| int AllocatedHeight |
| int AllocatedWidth |
| struct FIntMargin BorderMargin |
| struct FIntPoint DrawingOffset |
| int HeightInTiles |
| int Margin |
| TArray<struct FPaperTileMetadata> PerTileData |
| struct FIntPoint PerTileSpacing |
| int Spacing |
| TArray<struct FPaperTileSetTerrain> Terrains |
| int TileHeight |
| class UTexture2D* TileSheet |
| struct FIntPoint TileSize |
| int TileWidth |
| int WidthInTiles |


They're simply the best, better than all the rest. Better than anyone's.
Iterative approaches to corporate strategy foster collaborative thinking to further the overall value proposition.


| Java | |
| HTML | |
| CSS | |
| PHP | |
| Python | |
| MySQL |
A Student Academic Progress Tracker in Mathematics using Bayesian Knowledge Tracing
An automatic pet feeder integrated with Arduino that runs on a timer and automatically drops pet food when a certain time is reached.
An electronic registration system used for the attendance monitoring of students during activities held by the various student councils of AUF.
A raffle draw system used during events of AUF Medical Center and the University Student Council which randomly selects a number from a pool of entries then displays the winner.
A social media website project capable of adding stories to the timeline and connect with your friends (or buds, as we refer to them).
A basic Point-of-Sales (POS) system which utilizes SQL commands and calculates total cost of purchase for a buyer.


### Problem 5. Third bit * Write a boolean expression for finding if the bit `#3` (counting from 0) of a given integer. * The bits are counted from right to left, starting from bit `#0`. * The result of the expression should be either `1` or `0`. _Examples:_ | n | binary representation | bit #3 | |:-----:|:---------------------:|:------:| | 5 | 00000000 00000101 | 0 | | 8 | 00000000 00001000 | 1 | | 0 | 00000000 00000000 | 0 | | 15 | 00000000 00001111 | 1 | | 5343 | 00010100 11011111 | 1 | | 62241 | 11110011 00100001 | 0 |


|
Scroll top headstone set inside kerbstone on single plinth. 4 kerbstones with 2 posts at foot end. Stone flower vase at centre of plot, and tablet at foot of grave. On headstone:
In loving memory of MY BELOVED HUSBAND, CHARLES WILLIAM LLOYD. DIED MAY 29TH 1931, AGED 52 YEARS. "REST AFTER WEARINESS, PEACE AFTER PAIN, SAFE IN GOD'S KEEPING, TILL WE MEET AGAIN." ALSO OF LOUISA ANNIE, WIFE OF THE ABOVE, PASSED AWAY FEB. 12TH 1954 AGED 74 YEARS. REUNITED
On tablet, 2 crosses at right and left top corners:
GWENDOLINE J COOPER DIED 4TH FEB 1995 AGED 77 YEARS AND HER HUSBAND WILLIAM J COOPER DIED 20TH DEC. 1999 AGED 83 YEARS.
Burial Register: B665, C086, C370, C400,
|
|


Table of Contents
Billing Software
Billing Software is a project which aims to make the process of creating a bill less frustrating.
Disclaimer
Billing Software is a project which aims to make the process of creating a bill, setting new rates, new tax less frustrating and less stressful. This project has many features which are generally not present in billing software.


UAE Creates Company for Developing Cutting-Edge Military Technology - Reports
DOHA (Sputnik) - The United Arab Emirates has announced the creation of a new company for military technology development, Gulf News newspaper reported on Tuesday.
The company, named Edge, will work on developing vanguard defence technologies to be used in modern hybrid warfare, according to the news outlet.
Among those present at the announcement ceremony was Shaikh Mohammad Bin Zayed Al Nahyan, the crown prince of Abu Dhabi and the deputy supreme commander of the UAE armed forces.
In recent years, the UAE, along with other Gulf countries, has been trying to diversify its economy, instead of relying solely on oil production.
In 2015, the Saudi-led coalition of Arab states joined the military conflict between the Houthis and the internationally recognised Yemeni government of President Abdrabuh Mansour Hadi on the latter's side. The UAE troops, in particular, played a decisive role in liberating Aden from the Houthis and passing the province under Hadi's control.


This is a small utility that tests the viability of gcode for a cnc machine!
Either paste some svg into the svg box or gcode into the gcode box. The 3d model on the right will animate the steps the machine should take, while leaving a trail of cuts.
created by @tmpvar


Shreyansh Soni
A Developer
An aspiring young engineer with experience in various fields such as : Machine Learning, Data Structure and Algorithm, Designing UI/UX and IoT. I have worked for various societies and workplaces in different areas to develop a broad skill set.
I am currently working on a project to device a novel method to remove Salt and Pepper noise from images taking less time than the conventional, already present algorithms.
#savvy #motivated #communicative #hard-working #cool-headed #organized #easy-going
#Organization #TimeManagement #Communication
Thapar University
BE in Electronics and Communication
St.Anselm's Pink City School
81% in PCM CBSE Board
St.Anselm's Pink City School
91% CBSE Board
Image Noise Remover and Tumor Detector
A project which removes SAP noise from fMRIs and detects Brain Tumor with accuracy percentage.
Accomplishments
Smart Domestic Water Management System
A project using IoT devices for Smart Water Management in Domestic Buidings.
Accomplishments
Loan Predictor using various models of ML
A project that predicts whether a given client will be granted loan or not using ML models.
Accomplishments


– @sindresorhusIt’s all about containing complexity. Think of node modules as Lego blocks. You don’t necessarily care about the details of how it’s made.
path
800 000+
request
18 000 000+
require('./voorhoede')
module.exports = { }
import './voorhoede'
export { }
cd exercise-1; npm init
yarn set version berry


The current version of a GitHub Enterprise instance is returned in the response header of every API: X-GitHub-Enterprise-Version: 2.19.0 You can also read the current version by calling the meta endpoint.
X-GitHub-Enterprise-Version: 2.19.0


(vie technology)
Office Copy
| SR# | Product Code | Product Name | Batch# | QTY | Unit Price | Disc% | Disc Rs | GST | Total Rs |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 20107 | ELECTROLYTE REGEANT PACK | 20-13-19 | 1 | 10,0000 | 20,0000 | |||
| 2 | 20107 | ELECTROLYTE REGEANT PACK | 20-13-19 | 1 | 10,0000 | 20,0000 | |||
| 3 | 20107 | ELECTROLYTE REGEANT PACK | 20-13-19 | 1 | 10,0000 | 20,0000 |


I would like to thank each and everyone who have given much love, care and support to me during my M-journal, it's not a easy journey but I have done it !
Find out moreThe journey has been tough but it was a great turning point and milestones that took place in my life.
Esther's M-JournalThe support from Daren, kids, siblings, Lyn, friends and past cancer survivors.
4 hours operation and took one month to heal!
DC every three weeks for 6 sessions and Taxol every week for 12 sessions.
It's daily 10 mins for five weeks!
If you need someone to hear you, give us a call or send us an email and we are here to listen to you!
+65-9763-3608


Those cracks should be flowers - Performance Instructions
This work has two elements: light poles glowing neon colors and light poles emitting white light.
The neon light poles each generate a pure wave tone at one of seven pitches.
The light poles glowing white generate pure wave tones that beat against the neon light poles.
There are 7 invisible buttons that perform various actions:
BOTTOM-LEFT - Launch a neon light pole
BOTTOM-RIGHT - Launch a light pole glowing white
TOP-LEFT - Remove a neon light pole
TOP-RIGHT - Remove a light pole glowing white
MIDDLE-RIGHT-SIDE - Grow/Shrink light poles
MIDDLE-LEFT-SIDE - Full size light poles
CENTER OF SCREEN - Kill all audio (cannot undo)


OCCallBack notes
Who you are is different from what you do
Target-action:
Before the wait begins, you say “When this event happens, send this message to this object.” The object receiving the message is the target. The selector for the message is the action.(1-1)
Helper objects:
Before the wait begins, you say “Here is an object that will take on a role that helps another object do its jobs. When one of the events related to this role occurs, send a message to the helper object.” Helper objects are often known as delegates or datasource.(1-n)
Notification:
There is an object callded the notification center. When an event happens, a notification associated with that event will be posted to the notification center.Before the wait begins, you tell the notification center “This object is intersted in this kind of notification. When one is posted, send this message to the object.”(n-n)
Blocks:
A block is just a chunk of code to be excuted. Before the wait begins, you say “Here is a block. When this event happens, excute this block.” (1-1&&Elegant)
回调的意义:
A生成并且持有对象B,B声明的函数由X来实现，X可以是A或者其他对象，X在以上前三种回调分别表示target,delegate,object。
关于blocks:
A对象给了一个block给B,B负责调用这个block，但是怎样去实现却由A来决定，这样就是实现了B在能访问A的上下文的同时进行函数调用。
Blocks和其他回调的区别:
Blocks和其他回调机制不同的地方之一是blocks的实现可以写在传blocks的附近，而不是在几百行之后。


Cash Balances Could Push Stock Market Much Higher
Highest In A Decade
According to Lipper and The Wall Street Journal, money market balances were basically identical on October 30, 2019 and March 25, 2009.
It is easy to understand how money market balances reached extremely high levels in March 2009, given investors had just lived through a painful 56% drop in the S&P 500.
It is also easy to understand how the $3.41 trillion in money market funds on March 25, 2009 helped push the S&P 500 much higher over the next six years.
Given the technical and fundamental facts we have in hand today, it is a bit more difficult to understand how money market balances, just three short weeks ago, were sitting at basically the same level seen in the wake of the 2007-09 crisis that featured the collapse of several key components of the global financial system.
A Small Part Of The Weight Of The Evidence
From The Wall Street Journal:
Assets in money-market funds have grown by $1 trillion over the last three years to their highest level in around a decade, according to Lipper data. A variety of factors are fueling the flows, from higher money-market rates to concerns over the health of the 10-year economic expansion and an aging bull market. Some analysts say the heap of cash shows that investors haven’t grown excessively exuberant .
This post covers a set of facts; nothing more and nothing less. Even if the data above can be explained away, it would have little impact on the weight of the evidence covered in last week’s video. As always, we will continue to take it day by day and see how the facts unfold. We will most likely be covering several new studies in the next CCM weekly stock market video.


NY girl, 5, who survived suicidal dad's subway jump visits NYPD
by New York PostThe NYPD has not forgotten the miracle girl who survived her father’s suicide jump in front of a moving Bronx subway train — and after spending Friday visiting police horses and boats and being sworn in as an honorary “officer,” she won’t soon forget them, either.
“The horse and the boat!” shy Ferni Balbuena, 5, said of her favorite things from a daylong visit with the NYPD.
“Ella estaba divertido!” her mother, Niurka Caraballo, said gratefully, over and over — Spanish for “She was happy!”
MOM OF GIRL, 5, WHO SURVIVED SUICIDAL DAD'S NEW YORK SUBWAY JUMP SAYS SHE FELT 'SOMETHING WAS WRONG'
Ferni made dramatic headlines in September when her father, who’d been struggling with mental illness, jumped in front of a train with her in his arms.
Somehow, she survived virtually unscathed beneath the train, despite her father’s fatal injuries.
On Friday, Ferni, who lives with her mother in the Bronx, was treated to a day of festivities courtesy of the NYPD’s “Hope Trip” program for children who have suffered traumatic incidents.
Click here to read more at the New York Post.


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Isekai_Cheat_Magician
As regular high school students Taichi and Rin disappeared in a beam of light. When they came to, the two of them were already in a world of swords and magic. Finally getting away after experiencing an attack by monsters, following the suggestion of adventurers they headed on the path towards the guild. In the guild, the two of them found out that they possessed unbelievably powerful magic. Thus the regular high school students transformed into the strongest cheats...


Inspired by The International Obfuscated C Code Contest, the obfuscated JavaScript contest has been founded in late 2018, with the goals of crowning the worst JavaScript each year.
This IOJSCC runs from: 2018-Dec-01 00:00:00 UTC to 2019-June-01 00:00:00 UTC
Obfuscate [verb]
make obscure, unclear or unintelligible
“her work became more and more obfuscated by mathematic and jargon”
synonyms: obscure, confuse, make obscure/unclear, blur, muddle, jumble, complicate
Origin
late Middle English: from late Latin obfuscat- ‘darkened’, from the verb obfuscare, based on Latin fuscus ‘dark’.
All submissions must be sent via email to
2019 @ iojscc [dot] org
The subject must be exactly:
IOJSCC 2019
The email must contain a link to a secret Gist containing an index.js
.
Please read the rules carefully before submitting.
All submissions not following the rules will be disqualified.


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University of California, Riverside
Degree: Bachelors
Major: Business Administration - Accounting
Degree: Bachelors
Major: Business Administration - Accounting
Position: Intermediate Accountant
Department: P&C Financial Reporting and Accounting
Position: Financial Reporting Specialist
Department: Prudential Investments Mutual Funds
Position: Senior Associate
Department: Derivatives Accounting and Investment
Reporting
Position: Consultant
Department: Project Controllers
Position: Financial Analyst II
Department: Sutter West Bay Medical Group Analyst
Position: Accounting Manager
Department: Captive Insurance Accounting
Degree: Masters
Major: Computer Science
Position: Information Technology Intern
Department: Technology Business Management


{# This links to the "icons" include in base.html #} {# Fav and touch icons can be created easily at http://realfavicongenerator.net/ #}


Package core.system
Class MyVelibSystem
- java.lang.Object
-
- core.system.MyVelibSystem
-
public class MyVelibSystem extends java.lang.Object
The MyVelibSystem class : This class is responsible to implement what a myVelib system (or network) is. It shows how the system will behave, what are its attributes and important methods
-
-
Constructor Summary
Constructors Constructor Description MyVelibSystem()
(Simplest) constructor for the system class, will create an (empty) systemMyVelibSystem(java.util.List<Station> stations)
(Simpler) constructor for the system classMyVelibSystem(java.util.List<Station> stations, java.util.List<User> users, double money)
Constructor for the system class
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addMoney(double money)
This methods is responsible for adding money in the systemvoid
displayStationReport(Station station)
This method displays a report for a given station in the systemvoid
displaySystemReport()
This method displays a report for the system (the system itself)void
displayUserReport(User user)
This method displays a report for a given user in the systemboolean
equals(java.lang.Object o)
equals methoddouble
getMoney()
Getter for the money parameterjava.lang.String
getName()
Getter for the namejava.util.List<Station>
getStations()
Getter for the stations parameterjava.util.List<User>
getUsers()
Getter for the users parameterint
hashCode()
hashCode methodvoid
removeMoney(double money)
This methods is responsible for removing money from the systemvoid
rentBicycle(int userID, int StationID)
This method is responsible to implement a way to rent a bicycle in the system class.void
setMoney(double money)
Setter for moneyvoid
setName(java.lang.String name)
Setter for the name of the systemvoid
setStations(java.util.List<Station> stations)
Setter for the stations parametervoid
setUsers(java.util.List<User> users)
Setter for usersjava.lang.String
toString()
toString method
-
-
-
Constructor Detail
-
MyVelibSystem
public MyVelibSystem(java.util.List<Station> stations, java.util.List<User> users, double money)
Constructor for the system class- Parameters:
stations
- a list of stationsusers
- a list of usersmoney
- an amount of money that the system will have
-
MyVelibSystem
public MyVelibSystem(java.util.List<Station> stations)
(Simpler) constructor for the system class- Parameters:
stations
- a list of stations
-
MyVelibSystem
public MyVelibSystem()
(Simplest) constructor for the system class, will create an (empty) system
-
-
Method Detail
-
getStations
public java.util.List<Station> getStations()
Getter for the stations parameter- Returns:
- stations
-
setStations
public void setStations(java.util.List<Station> stations)
Setter for the stations parameter- Parameters:
stations
- a list of stations
-
getUsers
public java.util.List<User> getUsers()
Getter for the users parameter- Returns:
- users
-
setUsers
public void setUsers(java.util.List<User> users)
Setter for users- Parameters:
users
- a list of user objects
-
getMoney
public double getMoney()
Getter for the money parameter- Returns:
- money
-
setMoney
public void setMoney(double money)
Setter for money- Parameters:
money
- the amount of money that the system will have
-
getName
public java.lang.String getName()
Getter for the name- Returns:
- name of the system
-
setName
public void setName(java.lang.String name)
Setter for the name of the system- Parameters:
name
- A string that represents the new name of the system
-
toString
public java.lang.String toString()
toString method- Overrides:
toString
in classjava.lang.Object
- Returns:
- a string that represents the system
-
equals
public boolean equals(java.lang.Object o)
equals method- Overrides:
equals
in classjava.lang.Object
- Parameters:
o
- an object- Returns:
- true or false
-
hashCode
public int hashCode()
hashCode method- Overrides:
hashCode
in classjava.lang.Object
- Returns:
- hash(stations, users)
-
rentBicycle
public void rentBicycle(int userID, int StationID)
This method is responsible to implement a way to rent a bicycle in the system class. It will ask for the algorithm in the Terminal class- Parameters:
userID
- the user idStationID
- the station id
-
addMoney
public void addMoney(double money)
This methods is responsible for adding money in the system- Parameters:
money
- the amount of money to be added
-
removeMoney
public void removeMoney(double money)
This methods is responsible for removing money from the system- Parameters:
money
- the amount of money to be removed
-
displayUserReport
public void displayUserReport(User user)
This method displays a report for a given user in the system- Parameters:
user
- the user that will be studied
-
displayStationReport
public void displayStationReport(Station station)
This method displays a report for a given station in the system- Parameters:
station
- the station
-
displaySystemReport
public void displaySystemReport()
This method displays a report for the system (the system itself)
-
-


CHECKBASHISMS(1) CHECKBASHISMS(1) NAME checkbashisms - check for bashisms in /bin/sh scripts SYNOPSIS checkbashisms script ... checkbashisms --help|--version DESCRIPTION checkbashisms, based on one of the checks from the lintian system, per‐ forms basic checks on /bin/sh shell scripts for the possible presence of bashisms. It takes the names of the shell scripts on the command line, and outputs warnings if possible bashisms are detected. Note that the definition of a bashism in this context roughly equates to "a shell feature that is not required to be supported by POSIX"; this means that some issues flagged may be permitted under optional sections of POSIX, such as XSI or User Portability. In cases where POSIX and Debian Policy disagree, checkbashisms by default allows extensions permitted by Policy but may also provide options for stricter checking. OPTIONS --help, -h Show a summary of options. --newline, -n Check for "echo -n" usage (non POSIX but required by Debian Policy 10.4.) --posix, -p Check for issues which are non POSIX but required to be supported by Debian Policy 10.4 (implies -n). --force, -f Force each script to be checked, even if it would normally not be (for instance, it has a bash or non POSIX shell shebang or appears to be a shell wrapper). --extra, -x Highlight lines which, whilst they do not contain bashisms, may be useful in determining whether a particular issue is a false posi‐ tive which may be ignored. For example, the use of "$BASH_ENV" may be preceded by checking whether "$BASH" is set. --version, -v Show version and copyright information. EXIT VALUES The exit value will be 0 if no possible bashisms or other problems were detected. Otherwise it will be the sum of the following error values: 1 A possible bashism was detected. 2 A file was skipped for some reason, for example, because it was unreadable or not found. The warning message will give details. SEE ALSO lintian(1). AUTHOR checkbashisms was originally written as a shell script by Yann Dirson<EMAIL_ADDRESS>and rewritten in Perl with many more features by Julian Gilbey<EMAIL_ADDRESS>DEBIAN Debian Utilities CHECKBASHISMS(1)


Security¶
By default, all gates are opened. An easy way to restrict access to the web application is to do it at the network level, or by using SSH tunnels.
It is however possible to switch on authentication by either using one of the supplied backends or creating your own.
Be sure to checkout Experimental Rest API for securing the API.
Note
Airflow uses the config parser of Python. This config parser interpolates
‘%’-signs. Make sure escape any %
signs in your config file (but not
environment variables) as %%
, otherwise Airflow might leak these
passwords on a config parser exception to a log.
Web Authentication¶
Password¶
Note
This is for flask-admin based web UI only. If you are using FAB-based web UI with RBAC feature,
please use command line interface create_user
to create accounts, or do that in the FAB-based UI itself.
One of the simplest mechanisms for authentication is requiring users to specify a password before logging in.
Password authentication requires the used of the password
subpackage in your requirements file. Password hashing
uses bcrypt
before storing passwords.
[webserver]
authenticate = True
auth_backend = airflow.contrib.auth.backends.password_auth
When password auth is enabled, an initial user credential will need to be created before anyone can login. An initial user was not created in the migrations for this authentication backend to prevent default Airflow installations from attack. Creating a new user has to be done via a Python REPL on the same machine Airflow is installed.
# navigate to the airflow installation directory
$ cd ~/airflow
$ python
Python 2.7.9 (default, Feb 10 2015, 03:28:08)
Type "help", "copyright", "credits" or "license" for more information.
>>> import airflow
>>> from airflow import models, settings
>>> from airflow.contrib.auth.backends.password_auth import PasswordUser
>>> user = PasswordUser(models.User())
>>> user.username = 'new_user_name'
>>> user.email =<EMAIL_ADDRESS>>>> user.password = 'set_the_password'
>>> session = settings.Session()
>>> session.add(user)
>>> session.commit()
>>> session.close()
>>> exit()
LDAP¶
To turn on LDAP authentication configure your airflow.cfg
as follows. Please note that the example uses
an encrypted connection to the ldap server as we do not want passwords be readable on the network level.
Additionally, if you are using Active Directory, and are not explicitly specifying an OU that your users are in,
you will need to change search_scope
to “SUBTREE”.
Valid search_scope options can be found in the ldap3 Documentation
[webserver]
authenticate = True
auth_backend = airflow.contrib.auth.backends.ldap_auth
[ldap]
# set a connection without encryption: uri = ldap://<your.ldap.server>:<port>
uri = ldaps://<your.ldap.server>:<port>
user_filter = objectClass=*
# in case of Active Directory you would use: user_name_attr = sAMAccountName
user_name_attr = uid
# group_member_attr should be set accordingly with *_filter
# eg :
# group_member_attr = groupMembership
# superuser_filter = groupMembership=CN=airflow-super-users...
group_member_attr = memberOf
superuser_filter = memberOf=CN=airflow-super-users,OU=Groups,OU=RWC,OU=US,OU=NORAM,DC=example,DC=com
data_profiler_filter = memberOf=CN=airflow-data-profilers,OU=Groups,OU=RWC,OU=US,OU=NORAM,DC=example,DC=com
bind_user = cn=Manager,dc=example,dc=com
bind_password = insecure
basedn = dc=example,dc=com
cacert = /etc/ca/ldap_ca.crt
# Set search_scope to one of them: BASE, LEVEL , SUBTREE
# Set search_scope to SUBTREE if using Active Directory, and not specifying an Organizational Unit
search_scope = LEVEL
# This option tells ldap3 to ignore schemas that are considered malformed. This sometimes comes up
# when using hosted ldap services.
ignore_malformed_schema = False
The superuser_filter and data_profiler_filter are optional. If defined, these configurations allow you to specify LDAP groups that users must belong to in order to have superuser (admin) and data-profiler permissions. If undefined, all users will be superusers and data profilers.
Roll your own¶
Airflow uses flask_login
and
exposes a set of hooks in the airflow.default_login
module. You can
alter the content and make it part of the PYTHONPATH
and configure it as a backend in airflow.cfg
.
[webserver]
authenticate = True
auth_backend = mypackage.auth
Multi-tenancy¶
You can filter the list of dags in webserver by owner name when authentication
is turned on by setting webserver:filter_by_owner
in your config. With this, a user will see
only the dags which it is owner of, unless it is a superuser.
[webserver]
filter_by_owner = True
Kerberos¶
Airflow has initial support for Kerberos. This means that airflow can renew kerberos tickets for itself and store it in the ticket cache. The hooks and dags can make use of ticket to authenticate against kerberized services.
Limitations¶
Please note that at this time, not all hooks have been adjusted to make use of this functionality. Also it does not integrate kerberos into the web interface and you will have to rely on network level security for now to make sure your service remains secure.
Celery integration has not been tried and tested yet. However, if you generate a key tab for every host and launch a ticket renewer next to every worker it will most likely work.
Enabling kerberos¶
Airflow¶
To enable kerberos you will need to generate a (service) key tab.
# in the kadmin.local or kadmin shell, create the airflow principal
kadmin: addprinc -randkey<EMAIL_ADDRESS># Create the airflow keytab file that will contain the airflow principal
kadmin: xst -norandkey -k airflow.keytab airflow/fully.qualified.domain.name
Now store this file in a location where the airflow user can read it (chmod 600). And then add the following to
your airflow.cfg
[core]
security = kerberos
[kerberos]
keytab = /etc/airflow/airflow.keytab
reinit_frequency = 3600
principal = airflow
Launch the ticket renewer by
# run ticket renewer
airflow kerberos
Hadoop¶
If want to use impersonation this needs to be enabled in core-site.xml
of your hadoop config.
<property>
<name>hadoop.proxyuser.airflow.groups</name>
<value>*</value>
</property>
<property>
<name>hadoop.proxyuser.airflow.users</name>
<value>*</value>
</property>
<property>
<name>hadoop.proxyuser.airflow.hosts</name>
<value>*</value>
</property>
Of course if you need to tighten your security replace the asterisk with something more appropriate.
Using kerberos authentication¶
The hive hook has been updated to take advantage of kerberos authentication. To allow your DAGs to use it, simply update the connection details with, for example:
{ "use_beeline": true, "principal"<EMAIL_ADDRESS>Adjust the principal to your settings. The _HOST part will be replaced by the fully qualified domain name of the server.
You can specify if you would like to use the dag owner as the user for the connection or the user specified in the login section of the connection. For the login user, specify the following as extra:
{ "use_beeline": true, "principal"<EMAIL_ADDRESS>"proxy_user": "login"}
For the DAG owner use:
{ "use_beeline": true, "principal"<EMAIL_ADDRESS>"proxy_user": "owner"}
and in your DAG, when initializing the HiveOperator, specify:
run_as_owner=True
To use kerberos authentication, you must install Airflow with the kerberos extras group:
pip install 'apache-airflow[kerberos]'
OAuth Authentication¶
GitHub Enterprise (GHE) Authentication¶
The GitHub Enterprise authentication backend can be used to authenticate users against an installation of GitHub Enterprise using OAuth2. You can optionally specify a team whitelist (composed of slug cased team names) to restrict login to only members of those teams.
[webserver]
authenticate = True
auth_backend = airflow.contrib.auth.backends.github_enterprise_auth
[github_enterprise]
host = github.example.com
client_id = oauth_key_from_github_enterprise
client_secret = oauth_secret_from_github_enterprise
oauth_callback_route = /example/ghe_oauth/callback
allowed_teams = 1, 345, 23
Note
If you do not specify a team whitelist, anyone with a valid account on your GHE installation will be able to login to Airflow.
To use GHE authentication, you must install Airflow with the github_enterprise extras group:
pip install 'apache-airflow[github_enterprise]'
Setting up GHE Authentication¶
An application must be setup in GHE before you can use the GHE authentication backend. In order to setup an application:
Navigate to your GHE profile
Select ‘Applications’ from the left hand nav
Select the ‘Developer Applications’ tab
Click ‘Register new application’
Fill in the required information (the ‘Authorization callback URL’ must be fully qualified e.g. http://airflow.example.com/example/ghe_oauth/callback)
Click ‘Register application’
Copy ‘Client ID’, ‘Client Secret’, and your callback route to your airflow.cfg according to the above example
Using GHE Authentication with github.com¶
It is possible to use GHE authentication with github.com:
Copy ‘Client ID’, ‘Client Secret’ to your airflow.cfg according to the above example
Set
host = github.com
andoauth_callback_route = /oauth/callback
in airflow.cfg
Google Authentication¶
The Google authentication backend can be used to authenticate users against Google using OAuth2. You must specify the domains to restrict login, separated with a comma, to only members of those domains.
[webserver]
authenticate = True
auth_backend = airflow.contrib.auth.backends.google_auth
[google]
client_id = google_client_id
client_secret = google_client_secret
oauth_callback_route = /oauth2callback
domain = "example1.com,example2.com"
To use Google authentication, you must install Airflow with the google_auth extras group:
pip install 'apache-airflow[google_auth]'
Setting up Google Authentication¶
An application must be setup in the Google API Console before you can use the Google authentication backend. In order to setup an application:
Navigate to https://console.developers.google.com/apis/
Select ‘Credentials’ from the left hand nav
Click ‘Create credentials’ and choose ‘OAuth client ID’
Choose ‘Web application’
Fill in the required information (the ‘Authorized redirect URIs’ must be fully qualified e.g. http://airflow.example.com/oauth2callback)
Click ‘Create’
Copy ‘Client ID’, ‘Client Secret’, and your redirect URI to your airflow.cfg according to the above example
SSL¶
SSL can be enabled by providing a certificate and key. Once enabled, be sure to use “https://” in your browser.
[webserver]
web_server_ssl_cert = <path to cert>
web_server_ssl_key = <path to key>
Enabling SSL will not automatically change the web server port. If you want to use the standard port 443, you’ll need to configure that too. Be aware that super user privileges (or cap_net_bind_service on Linux) are required to listen on port 443.
# Optionally, set the server to listen on the standard SSL port.
web_server_port = 443
base_url = http://<hostname or IP>:443
Enable CeleryExecutor with SSL. Ensure you properly generate client and server certs and keys.
[celery]
ssl_active = True
ssl_key = <path to key>
ssl_cert = <path to cert>
ssl_cacert = <path to cacert>
Impersonation¶
Airflow has the ability to impersonate a unix user while running task
instances based on the task’s run_as_user
parameter, which takes a user’s name.
NOTE: For impersonations to work, Airflow must be run with sudo as subtasks are run with sudo -u and permissions of files are changed. Furthermore, the unix user needs to exist on the worker. Here is what a simple sudoers file entry could look like to achieve this, assuming as airflow is running as the airflow user. Note that this means that the airflow user must be trusted and treated the same way as the root user.
airflow ALL=(ALL) NOPASSWD: ALL
Subtasks with impersonation will still log to the same folder, except that the files they log to will have permissions changed such that only the unix user can write to it.
Default Impersonation¶
To prevent tasks that don’t use impersonation to be run with sudo privileges, you can set the
core:default_impersonation
config which sets a default user impersonate if run_as_user is
not set.
[core]
default_impersonation = airflow
Flower Authentication¶
Basic authentication for Celery Flower is supported.
You can specify the details either as an optional argument in the Flower process launching
command, or as a configuration item in your airflow.cfg
. For both cases, please provide
user:password pairs separated by a comma.
airflow flower --basic_auth=user1:password1,user2:password2
[celery]
flower_basic_auth = user1:password1,user2:password2
RBAC UI Security¶
Security of Airflow Webserver UI when running with rbac=True
in the config is handled by Flask AppBuilder (FAB).
Please read its related security document
regarding its security model.
Default Roles¶
Airflow ships with a set of roles by default: Admin, User, Op, Viewer, and Public.
Only Admin
users could configure/alter the permissions for other roles. But it is not recommended
that Admin
users alter these default roles in any way by removing
or adding permissions to these roles.
Admin¶
Admin
users have all possible permissions, including granting or revoking permissions from
other users.
Public¶
Public
users (anonymous) don’t have any permissions.
Viewer¶
Viewer
users have limited viewer permissions
VIEWER_PERMS = {
'menu_access',
'can_index',
'can_list',
'can_show',
'can_chart',
'can_dag_stats',
'can_dag_details',
'can_task_stats',
'can_code',
'can_log',
'can_get_logs_with_metadata',
'can_tries',
'can_graph',
'can_tree',
'can_task',
'can_task_instances',
'can_xcom',
'can_gantt',
'can_landing_times',
'can_duration',
'can_blocked',
'can_rendered',
'can_pickle_info',
'can_version',
}
on limited web views
VIEWER_VMS = {
'Airflow',
'DagModelView',
'Browse',
'DAG Runs',
'DagRunModelView',
'Task Instances',
'TaskInstanceModelView',
'SLA Misses',
'SlaMissModelView',
'Jobs',
'JobModelView',
'Logs',
'LogModelView',
'Docs',
'Documentation',
'GitHub',
'About',
'Version',
'VersionView',
}
User¶
User
users have Viewer
permissions plus additional user permissions
USER_PERMS = {
'can_dagrun_clear',
'can_run',
'can_trigger',
'can_add',
'can_edit',
'can_delete',
'can_paused',
'can_refresh',
'can_success',
'muldelete',
'set_failed',
'set_running',
'set_success',
'clear',
'can_clear',
}
on User web views which is the same as Viewer web views.
Op¶
Op
users have User
permissions plus additional op permissions
OP_PERMS = {
'can_conf',
'can_varimport',
}
on User
web views plus these additional op web views
OP_VMS = {
'Admin',
'Configurations',
'ConfigurationView',
'Connections',
'ConnectionModelView',
'Pools',
'PoolModelView',
'Variables',
'VariableModelView',
'XComs',
'XComModelView',
}
Custom Roles¶
DAG Level Role¶
Admin
can create a set of roles which are only allowed to view a certain set of dags. This is called DAG level access. Each dag defined in the dag model table
is treated as a View
which has two permissions associated with it (can_dag_read
and can_dag_edit
). There is a special view called all_dags
which
allows the role to access all the dags. The default Admin
, Viewer
, User
, Op
roles can all access all_dags
view.


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Before Change
raise app.UsageError("N must be larger than the batch size.")
orders = ([1.25, 1.5, 1.75, 2., 2.25, 2.5, 3., 3.5, 4., 4.5] +
list(range(5, 64)) + [128, 256, 512])
steps = int(math.ceil(FLAGS.epochs * FLAGS.N / FLAGS.batch_size))
apply_dp_sgd_analysis(q, FLAGS.noise_multiplier, steps, orders, FLAGS.delta)
After Change
del argv // argv is not used.
assert FLAGS.N is not None, "Flag N is missing."
assert FLAGS.batch_size is not None, "Flag batch_size is missing."
assert FLAGS.noise_multiplier is not None, "Flag noise_multiplier is missing."
assert FLAGS.epochs is not None, "Flag epochs is missing."
compute_dp_sgd_privacy(FLAGS.N, FLAGS.batch_size, FLAGS.noise_multiplier,
FLAGS.epochs, FLAGS.delta)


Struct AABox
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Vim.Math3d
Assembly: Vim.Math3D.dll
[DataContract]
public readonly struct AABox : ITransformable3D<AABox>, IEquatable<AABox>, IComparable<AABox>
Constructors
View SourceAABox((Vector3 min, Vector3 max))
public AABox((Vector3 min, Vector3 max) tuple)
AABox(Vector3, Vector3)
public AABox(Vector3 min, Vector3 max)
Fields
View SourceBackIndices
public static readonly int[] BackIndices
BottomIndices
public static readonly int[] BottomIndices
Empty
public static AABox Empty
FrontIndices
public static readonly int[] FrontIndices
LeftIndices
public static readonly int[] LeftIndices
Max
[DataMember]
public readonly Vector3 Max
MaxValue
public static AABox MaxValue
Min
[DataMember]
public readonly Vector3 Min
MinValue
public static AABox MinValue
RightIndices
public static readonly int[] RightIndices
TopIndices
public static readonly int[] TopIndices
Unit
public static readonly AABox Unit
Zero
public static AABox Zero
Properties
View SourceCenter
public readonly Vector3 Center { get; }
CenterBottom
public readonly Vector3 CenterBottom { get; }
CenterDistanceToOrigin
public readonly float CenterDistanceToOrigin { get; }
Corners
public readonly Vector3[] Corners { get; }
Count
public readonly int Count { get; }
Diagonal
public readonly float Diagonal { get; }
DistanceToOrigin
public readonly float DistanceToOrigin { get; }
Extent
public readonly Vector3 Extent { get; }
IsEmpty
public readonly bool IsEmpty { get; }
IsValid
public readonly bool IsValid { get; }
Item[Int32]
public readonly Vector3 this[int n] { get; }
MaxFaceArea
public readonly float MaxFaceArea { get; }
MaxSide
public readonly float MaxSide { get; }
MinSide
public readonly float MinSide { get; }
Volume
public readonly float Volume { get; }
Methods
View SourceAlmostEquals(AABox, Single)
public readonly bool AlmostEquals(AABox x, float tolerance = 1E-07F)
CenterDistance(Vector3)
Returns the distance of the point to the box center.
public readonly float CenterDistance(Vector3 point)
CompareTo(AABox)
public readonly int CompareTo(AABox x)
Contains(AABox)
public readonly ContainmentType Contains(AABox box)
Contains(Sphere)
public readonly ContainmentType Contains(Sphere sphere)
Contains(Vector3)
public readonly bool Contains(Vector3 point)
Create(IEnumerable<Vector3>)
Create a bounding box from the given list of points.
public static AABox Create(IEnumerable<Vector3> points = null)
Create((Vector3 min, Vector3 max))
public static AABox Create((Vector3 min, Vector3 max) tuple)
Create(Vector3, Vector3)
public static AABox Create(Vector3 min, Vector3 max)
Create(Vector3[])
public static AABox Create(params Vector3[] points)
CreateFromSphere(Sphere)
public static AABox CreateFromSphere(Sphere sphere)
Deconstruct(out Vector3, out Vector3)
public readonly void Deconstruct(out Vector3 min, out Vector3 max)
Distance(Vector3)
public readonly float Distance(Vector3 point)
Equals(Object)
public override readonly bool Equals(object obj)
Overrides
System.ValueType.Equals(System.Object)
View Source
Equals(AABox)
public readonly bool Equals(AABox x)
FaceCenters()
Returns the center of each face.
public readonly Vector3[] FaceCenters()
FromCenterAndExtent(Vector3, Vector3)
public static AABox FromCenterAndExtent(Vector3 center, Vector3 extent)
GetCorners(Vector3[])
This is the four front corners followed by the four back corners all as if looking from the front going in counter-clockwise order from bottom left.
public readonly Vector3[] GetCorners(Vector3[] corners = null)
GetCornersAndFaceCenters()
public readonly IEnumerable<Vector3> GetCornersAndFaceCenters()
GetHashCode()
public override readonly int GetHashCode()
Overrides
System.ValueType.GetHashCode()
View Source
Intersection(AABox)
public readonly AABox Intersection(AABox other)
Intersects(AABox)
public readonly bool Intersects(AABox box)
Intersects(AABox, out Boolean)
public readonly void Intersects(AABox box, out bool result)
Intersects(Plane)
public readonly PlaneIntersectionType Intersects(Plane plane)
Intersects(Sphere)
public readonly bool Intersects(Sphere sphere)
IsInfinity()
public readonly bool IsInfinity()
IsNaN()
public readonly bool IsNaN()
Lerp(Vector3)
Given a normalized position in bounding box, returns the actual position.
public readonly Vector3 Lerp(Vector3 v)
Magnitude()
public readonly double Magnitude()
MagnitudeSquared()
public readonly double MagnitudeSquared()
Merge(AABox)
public readonly AABox Merge(AABox other)
Merge(Vector3)
public readonly AABox Merge(Vector3 other)
Recenter()
Moves the box so that it's origin is on the center
public readonly AABox Recenter()
RelativePosition(Vector3)
Returns where a point is relative to the bounding box on a scale of 0..1
public readonly Vector3 RelativePosition(Vector3 v)
Scale(Single)
Rescales the box
public readonly AABox Scale(float scale)
SetCenter(Vector3)
public readonly AABox SetCenter(Vector3 v)
SetExtent(Vector3)
public readonly AABox SetExtent(Vector3 v)
SetMax(Vector3)
public readonly AABox SetMax(Vector3 x)
SetMin(Vector3)
public readonly AABox SetMin(Vector3 x)
ToSphere()
Returns the enclosing bounding sphere.
public readonly Sphere ToSphere()
ToString()
public override readonly string ToString()
Overrides
System.ValueType.ToString()
View Source
Transform(Matrix4x4)
public readonly AABox Transform(Matrix4x4 mat)
Translate(Vector3)
Moves the box by the given vector offset
public readonly AABox Translate(Vector3 offset)
Operators
View SourceAddition(AABox, AABox)
public static AABox operator +(AABox value1, AABox value2)
Addition(AABox, Vector3)
public static AABox operator +(AABox value1, Vector3 value2)
Equality(AABox, AABox)
public static bool operator ==(AABox x0, AABox x1)
GreaterThan(AABox, AABox)
public static bool operator>(AABox x0, AABox x1)
GreaterThanOrEqual(AABox, AABox)
public static bool operator >=(AABox x0, AABox x1)
Implicit((Vector3 min, Vector3 max) to AABox)
public static implicit operator AABox((Vector3 min, Vector3 max) tuple)
Implicit(AABox to (Vector3 min, Vector3 max))
public static implicit operator (Vector3 min, Vector3 max)(AABox self)
Inequality(AABox, AABox)
public static bool operator !=(AABox x0, AABox x1)
LessThan(AABox, AABox)
public static bool operator <(AABox x0, AABox x1)
LessThanOrEqual(AABox, AABox)
public static bool operator <=(AABox x0, AABox x1)
Subtraction(AABox, AABox)
public static AABox operator -(AABox value1, AABox value2)
Implements
System.IEquatable<T>
System.IComparable<T>


package parser
Type Members
-
class
SchemaMappingsDocBaseListener extends SchemaMappingsDocListener
This class provides an empty implementation of
SchemaMappingsDocListener
, which can be extended to create a listener which only needs to handle a subset of the available methods. -
class
SchemaMappingsDocBaseVisitor[T] extends AbstractParseTreeVisitor[T] with SchemaMappingsDocVisitor[T]
This class provides an empty implementation of
SchemaMappingsDocVisitor
, which can be extended to create a visitor which only needs to handle a subset of the available methods. -
class
SchemaMappingsDocLexer extends Lexer
- Annotations
- @SuppressWarnings()
-
trait
SchemaMappingsDocListener extends ParseTreeListener
This interface defines a complete listener for a parse tree produced by
SchemaMappingsDocParser
. -
class
SchemaMappingsDocParser extends Parser
- Annotations
- @SuppressWarnings()
-
trait
SchemaMappingsDocVisitor[T] extends ParseTreeVisitor[T]
This interface defines a complete generic visitor for a parse tree produced by
SchemaMappingsDocParser
. -
class
ShapePathDocBaseListener extends ShapePathDocListener
This class provides an empty implementation of
ShapePathDocListener
, which can be extended to create a listener which only needs to handle a subset of the available methods. -
class
ShapePathDocBaseVisitor[T] extends AbstractParseTreeVisitor[T] with ShapePathDocVisitor[T]
This class provides an empty implementation of
ShapePathDocVisitor
, which can be extended to create a visitor which only needs to handle a subset of the available methods. -
class
ShapePathDocLexer extends Lexer
- Annotations
- @SuppressWarnings()
-
trait
ShapePathDocListener extends ParseTreeListener
This interface defines a complete listener for a parse tree produced by
ShapePathDocParser
. -
class
ShapePathDocParser extends Parser
- Annotations
- @SuppressWarnings()
-
trait
ShapePathDocVisitor[T] extends ParseTreeVisitor[T]
This interface defines a complete generic visitor for a parse tree produced by
ShapePathDocParser
.


SVA SUMMER INTENSIVE 2018
Mondays, 6:00–8:50 PM, July 9 – August 6
Interaction designers enjoy an increasing number of tools, processes, philosophies, languages, and devices with which to deliver their message. They must embrace the constraints and the possibilities of 2D layouts, 3D hardware, and 4D timelines. This class presents both conceptual frameworks and practical methods for responsive web design, taking students through a user-centered, mobile-first, iterative process.
Students will map and prototype a responsive web experience in low- and high-fidelity, working with a partner as either the UX lead or the UI lead and collaborating on user testing. The five-week class will cover the unique major principles of interaction design:
Week 1: Audience — respect, responsibility, transparency, context, outreach
Week 2: Architecture — autonomy, navigation, patterns, systems, affordances, signifiers
Week 3: Aesthetics — emotion, personality, hierarchy, readability, usability, memory
Week 4: Accommodations — defaults, states, history, expectations, feedback, accessibility
Week 5: Critique — objectivity, subjectivity, framing, phrasing, metrics
By the end of the course, students will be able to:
They will create:
30% class participation
30% homework and reading
40% final critique
The project for this class is to design a key experience for a valuable creative site (to be announced the first day of class). You and a partner will work together as UX Lead and UI Lead, sketching and testing and revising a responsive design at increasing levels of fidelity.
This is a pass/fail course. Students who pass will:
Attendance at all five classes is mandatory, and tardiness will be a prorated deduction from your participation grade. During presentations and discussions, students are expected to keep laptops closed and other devices put away. During work sessions, students are expected to turn off external distractions such as phone and desktop notifications.
Homework is due at noon on the day of class, and must be submitted via the Google Form on the class website. You will be asked to submit links to your work, notes from your research, and thoughts on your reading.
Final critiques will be roughly 10-15 minutes for each group to present and receive feedback. Each student must also complete an individual critique form for each group.
Our class drive contains a Resources folder with the recommended tools and reading. If you pursue the field, please purchase them to support their creators. They’re all things I reuse.
Please download and create accounts on these apps before the first class:
Please bring sketching materials to every class:
There are two copies of these books in the SVA library if you prefer to read them there.
Erica Heinz
ericaheinz.com
<EMAIL_ADDRESS>Office hours by appointment


from .core import _spice_interface as spice_interface
from .core import _simulation_setup as simulation_setup
import warnings
[docs]class Environment:
def __init__(self,
available_bodies,
user_defined_bodies=None,
frame_origin="SSB",
frame_orientation="ECLIPJ2000",
custom_body_settings=None,
alternative_kernels=None,
start_epoch=None,
end_epoch=None,
fixed_dt=None,
epoch_margin=300.0):
"""
Parameters
----------
available_bodies : list[str]
List of bodies to be added to the environment that are part
of the available bodies cataloged in the tudatBundle.
user_defined_bodies : list[str]
List of user-defined bodies to be added to the environment
which are not part of the available bodies in the tudatBundle.
frame_origin : str
Frame origin for simulation output results.
frame_orientation : str
Frame orientation for simulation output results.
custom_body_settings : dict, optional
Custom body settings which update in place of the default.
alternative_kernels : str, optional
Examples
--------
available_bodies= ["Sun", "Earth", "Moon", "Mars", "Venus"]
user_defined_bodies = ["Delfi-C3"]
custom_body_settings = {"Delfi-C3":dict(constant_mass=400.0)}
tutorial_2_environment = Environment(
available_bodies=available_bodies,
user_defined_bodies=user_defined_bodies,
custom_body_settings=custom_body_settings)
"""
self._available_bodies = available_bodies
self._user_defined_bodies = user_defined_bodies
self._frame_origin = frame_origin
self._frame_orientation = frame_orientation
self._custom_body_settings = custom_body_settings
self._alternative_kernels = alternative_kernels
self._start_epoch = start_epoch
self._end_epoch = end_epoch
self._epoch_margin = abs(epoch_margin)
self._fixed_dt = fixed_dt
self._reset_kernels = True
self._reset_bodies = True
self._reset_vehicles = True
self._body_settings = None
self._environment_finalized = False
def _check_initialize_environment(self):
if self._reset_kernels:
# Load standard spice kernels or alternative?
if self._alternative_kernels:
# Alternative if defined.
spice_interface.load_standard_spice_kernels(
self._alternative_kernels)
else:
# Standard if alternative is not defined (None).
spice_interface.load_standard_spice_kernels()
# If kernels are reset, bodies should be too.
self._reset_bodies = True
if self._reset_bodies:
if (self._start_epoch is not None) and (self._end_epoch is not None) and (self._fixed_dt is not None):
self._body_settings = simulation_setup.get_default_body_settings(
self._available_bodies,
self._start_epoch - self._epoch_margin,
self._end_epoch + self._epoch_margin,
self._fixed_dt)
else:
if [self._start_epoch, self._end_epoch, self._fixed_dt].count(1) >= 1:
warnings.warn(
"Ambiguous definition of simulation epoch parameters."
"Default body settings are being retrieved without"
"definition of start_epoch, end_epoch and fixed_dt, "
f" start_epoch = {self._start_epoch},"
f" end_epoch = {self._end_epoch},"
f" fixed_dt = {self._fixed_dt}")
# Get default body settings.
self._body_settings = simulation_setup.get_default_body_settings(
self._available_bodies)
for body in self._available_bodies:
self._body_settings[body].ephemeris_settings.reset_frame_orientation(self._frame_orientation)
self._body_settings[body].rotation_model_settings.reset_original_frame(self._frame_orientation)
# If custom body settings are to be used over the default.
if self._custom_body_settings:
# Cycle through bodies in the custom settings.
for body_str in self._custom_body_settings.keys():
# Check if body is in the available bodies.
if body_str in self._available_bodies:
custom_settings = self._custom_body_settings[body_str]
for settings_str in custom_settings.keys():
try:
setattr(
self._body_settings[body_str],
settings_str,
custom_settings[settings_str])
except AttributeError:
raise AttributeError(
f"The settings attribute of the BodySettings "
f"class does not exist. Available found at:"
f"https://ggarrett13.github.io/tudatpy/_build/_src_modules/simulation_setup.html#tudatpy.core._simulation_setup.BodySettings"
)
# Not sure if this is correct for custom bodies,
# tutorial examples suggest it may be.
elif body_str in self._user_defined_bodies:
pass
# Body settings provided doesn't correspond to any
# defined in union[available, user_defined].
else:
raise EnvironmentError(
f"The body {body_str} contained in the custom body "
f"settings does not exist in the available bodies. "
f"{body_str} not in {self._available_bodies}")
# If bodies are reset, vehicles must be re-added.
self._reset_vehicles = True
self._bodies = simulation_setup.create_bodies(self._body_settings)
if self._reset_vehicles:
for vehicle in self._user_defined_bodies:
self._bodies[vehicle] = simulation_setup.Body()
self._reset_kernels = False
self._reset_bodies = False
self._reset_vehicles = False
@property
def bodies(self):
self._check_initialize_environment()
# Finalize body creation.
if not self._environment_finalized:
simulation_setup.set_global_frame_body_ephemerides(
self._bodies, self._frame_origin, self._frame_orientation)
return self._bodies
@property
def vehicles(self):
return self._user_defined_bodies
@vehicles.setter
def vehicles(self, x):
self._reset_vehicles = True
self._environment_finalized = False
self._user_defined_bodies = x
[docs] def finalize_environment(self,
frame_origin,
frame_orientation):
self._environment_finalized = True
simulation_setup.set_global_frame_body_ephemerides(
self._bodies, self._frame_origin, self._frame_orientation)
[docs] def set_radiation_pressure_interface(self,
target_body_name,
reference_area,
coefficient,
occulting,
source,
model="cannon_ball"):
"""
Parameters
----------
target_body_name : str
Body to be interfaced to the environment.
reference_area : float
Radiation pressure reference area (m).
coefficient : float or ndarray[ndim=3]
Radiation pressure coefficient (m).
occulting : list[str]
Occulting bodies between source and target_body.
source : str
Body emitting the radiation pressure.
model : {"cannon_ball"}
Radiation pressure model to be used.
Returns
-------
None
"""
if model == "cannon_ball":
rad_press_settings = simulation_setup.CannonBallRadiationPressureInterfaceSettings(
source, reference_area, coefficient, occulting)
# Create and set radiation pressure settings
self.bodies[target_body_name].set_radiation_pressure_interface(
source, simulation_setup.create_radiation_pressure_interface(
rad_press_settings, target_body_name, self.bodies))
else:
raise NotImplementedError(f"Model {model} not implemented.")
[docs] def set_aerodynamic_coefficient_interface(self,
target_body_name,
reference_area,
coefficients,
coefficients_in_aerodynamic_frame=True,
coefficients_in_negative_axis_direction=True,
model="constant_coefficients"
):
"""
Parameters
----------
target_body_name
reference_area
coefficint_vector
coefficients_in_aerodynmic_frame
coefficients_in_negative_axis_direction
model
Returns
-------
None
"""
if model is "constant_coefficients":
aero_c_settings = simulation_setup.ConstantAerodynamicCoefficientSettings(
reference_area,
coefficients,
coefficients_in_aerodynamic_frame,
coefficients_in_negative_axis_direction
)
# Create and set aerodynamic coefficients object
self.bodies[target_body_name].set_aerodynamic_coefficient_interface(
simulation_setup.create_aerodynamic_coefficient_interface(
aero_c_settings,
target_body_name)
)
else:
raise NotImplementedError(f"Model {model} is not implemented.")


WebDev Turmoil
Repeat after me...
"DATABASE MIGRATION IS AS IMPORTANT AS HAVING A VCS."

I'm currently working as a developer in a small startup. We're a team of four and we are working with the LAMP technology stack. Let me tell you why I'm writing this post..
I did a feature implementation few days back and had created a couple of models and did a whole lot of tweaking in that process to the Database. Had this been just a code change which had to do with the Controllers or Views, we could've easily version-ed the code using git or any other vcs. But this Database tweak needed a Migration to be done and we didn't have that in our code. Result? I pushed my code yesterday and my boss is still finding out the differences in the Database. We are due to do a Beta Release by EOD today and at this rate I think it's highly unlikely that it'll happen.
Update
I've tried to explain on how to create a Migration for your App that is developed using the Yii Framework.
To start off with, let's define the Thumb Rule in Database Migration. Any change(creating a table, removing a column, adding column constraints etc etc), that needs to be done to the existing structure of the Database, needs to be versioned. That said, let's look into some code snippets to understand this better. Let's assume that we have 2 developers A and B who are working on an exciting product.
Scenario
A wants to create a new table. So, he opens his terminal and keys in the following code.
$php yiic migrate create add_demo_table
The code creates a skeleton of the Migration he wishes to create.
m131122184424adddemotable.php
<?php
class m131122_184424_add_demo_table extends CDbMigration
{
public function up()
{
}
public function down()
{
echo "m131122_184424_add_demo_table does not support migration down.\n";
return false;
}
/*
// Use safeUp/safeDown to do migration with transaction
public function safeUp()
{
}
public function safeDown()
{
}
*/
}
?>
The naming is the essential part since the Database is versioned according to the time the migration is created. Now A can write his create table statements inside the up() function or the safeUp() function like this:
$this->createTable("demo_table",array(
'id'=>'integer not null',
'name'=>'varchar(255) not null',
'primary key(id)',
)
);
So, now, if B wants to add a column to this table the next day, he simply creates another migration like this:
$php yiic migrate create add_column_to_demo_table
Thus all your Database tweaking is essentially version controlled! Now, if C joins the team, all he has to do is to copy all the migration files and fire this command in the terminal:
$php yiic migrate up
Voila! He now has the most recent version of the Database. It's that simple. :-)
To undo the last migrate operation:
$php yiic migrate down
The above command just invokes the down() or the safeDown() method which generally contains drop table commands.
Note that when you're firing the terminal commands, make sure you're inside the protected folder. Otherwise, the yiic migrate tool won't work.
Almost every framework today, supports Migration.  Happy developing!
May the Force be with You!


--- title: HomeFox - Mobile subtitle: HomeFox Mobile-Application description: As a working student I worked mainly on the frontend of the HomeFox webapp. My main challenges here were the redesign and migration of the navigation. The system is running the Tornado framework (Python) in the backend and Vue.js in the frontend. type: iOS & Android date: 2017-03-01 ---


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