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Overall statistics
Daily information about statistics in system
5
New Users
12
New courses
36
Sales
Total income & spend statistics
Total Income
$9.782
Total Spend
$1,248
Feed Activity
- Responded to need "Volunteer opportunity"
- Added an interest "Volunteer Activities"
- Joined the group "Boardsmanship Forum"
- Responded to need "In-Kind Opportunity"
- Created need "Volunteer Opportunity"
- Attending the event "Some New Event"


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The new money - cryptographic tokens
Just twenty years ago, in 1998, the internet became mainstream. About ten years later the mobile smart phones were trendy. Now with the power of the internet, the smartphones in our pocket and experience in Bitcoin for nine years, it is the time that crypto backed tokens become mainstream.
The idea of cryptography has enabled us to communicate savely since the invention of the internet, and even before. Cryptography ever existed, but it was much more complicated to use in the past, with pen and paper. The old currencies, not backed by any mathematical algorithm to secure its reliability, had a number printed on the paper, to assure that this bill could be uniquely identified. The idea behind that is clever, but if you can not confirm that the bill itself is not faked, then the whole number is useless.
The real smart king realizes when he is beat and starts partieng with the crowd.
Currencies printed on paper, have always been subject to faking, because anyone with a printer, scanner and some graphical skills can actually print similar paper. But especially the globally dominant governments have fought many silent wars, printing the paper currencies of other countries to devaluate the opponents economy. It is the nature of a nation to be constantly at economic warfare with the competing countries.
As we analye this, i want to ask you, if it was ever possible to back a currency with gold, as it was implemented in the first place, by the bankers? Surely not! And the bankers are not stupid, so they knew that their idea was a scam right from the beginning. Because as soon as you have any faked bills which can not be ifentified as fake, all other bills devaluate and can never be worth a fixed amount of gold or any other real asset. Cryptographic currencies are atually the first real currencies, which can not be considered fake or scam. In contrast to the old system, which we just identified as scam, as it claims to do something which is impossible.
Now is the chance, for any government to secure itself against these types of scams, but even more, we do not have to wait for the governments to act, we ourselves can secure us by not using these easily fakeable paper bills anymore and pushing the adoption of crypto backed currencies or tokens.
Once we are actually using the secure and reliable tokens instead of the national currencies, which is absolutely our right, because we identified the scam behind the national currencies and we do not have to participate in a criminal activity. So once we are actually using the tokens, doors open up to entirely new investment opportunities which were exclusive to some elite in the past. In the past you had to sign up for a bank account, then sign up for a trading account, pay commission for both and rely totally on one specific bank (or pay more fees having more bank accounts), to be able to invest in digitally represented assets.
Or if you were a more conservative person, you would only put money in the savings acount of the bank and simply rely on the interest rate they would pay you. Where this type of investment has always been a huge scam, because of the hidden inflation rate. The interest rate paid by banks was often lower than the hidden inflation rate of the currency, effectively booking a loss to the customers wealth. Banks have never been interested in supporting the wealth of their customer, their main interest is taking a part of your wealth and build huge glass towers.
The bank was even holding all your value, you were actually lending your money to the bank and you were not in possession of it! The bank had a liability/debt against you, because the bank controlled your money. As much as the bank controlled your money, governments could shut down acounts and scam all your money. The biggest scam in history of that kind was probably the scam that happened to Kim Dotcom. He is a multi millionaire and even to him, these things can happen.
To myself it has also happened, the bank closed my account, as it is written in the terms and conditions of the Deutsche Kreditbank (DKB) that they can shut down any account within 2 month.  I had to send an e-mail to the bank, so that i would get my own money back, which they had freezed after they had illegally closed my account.
I say the closing was illegal, because i was not notified properly to be able to adapt to the new situation. They claimed to have sent me paper post which was returned, but they never tried to send me a simple e-mail or put me a message in my online banking account. How hilarious is that, as i am using their online banking and it is an online banking only bank? Why did they shut down my account directly? They could also just invalidate the credit cards so that i would still be able to make tranfers with my own money but would surely quit using their service soon.
This story just shows the aggressive way banks operate against customers they do not like, because they make transactions to bitcoin exchanges. I had my account with that bank for more than ten years, nothing had changed recently, except that i was exchanging money with crypto exchanges frequently.
I can tell you and i want to tell that to the President of DKB, you closed the wrong bank account! I will resist against this regime, i will fight until the end of my life for the freedom of money, atleast the money shall be free, so maybe afterwards humanity can follow.  I do not fear death, come and get me if you can, as you killed others who were fighting for the revolution. Any dead activist is just another step in direction freedom, as you loose more and more credibility and people get really dedicated and start focusing their life on the revolution.
 It is the ultimate weapon, it is time to surrender. Nothing can beat our shield.  You can hop on the train, start mining and investing in Bitcoin Cash, as anyone can participate to support the proof of work. We do not judge or discriminate anyones hashrate. All we want is a little bit of fairness in this world, something we can trust in, something we can really believe in, which is Bitcoin Cash.
So now we have sorted out, why paper money has always been a fake and that we can not trust anyone else holding our own funds, without giving us any security in return. Here comes the token into play, the token gives you a return as it gives you a cryptographic key. That key assures you, that only you are in control of that token. As long as you keep the key secure, because anyone who gets his hands on the key, is able to spend your tokens.
The key also assures, that the token can not be faked or reproduced, as these tokens are secured by mathematical algorithms, which can not be compromised. The technology behing the tokens has proven himself reliable for decades. Cryptography is so secure that not even the FBI can hack the devices of people, who secure their data with crypto.
Anyone can send tokens to anyone from his own wallet, each wallet has one or multiple addresses. The wallets are actually held in the smartphones (for convenience), they can be downloaded for free in the app markets of Google and Apple. The wallets secret key could also be stored on a paper, and could be put in a safe or several different locations to secure the wallet in case of fire or any desaster. But then it would not be so practical to use anymore.
So there are multiple use cases for these wallets, they can be used like a bank account, like cash or even like a partnered bank account. You choose which wallet you use in which way and how much security in trade for convenience you want. Partnered wallets, so called 2-3 multi signature wallets, can be used by multiple parties to share an account, it is only possible to spend these funds if 2 of the 3 partners agree and they sign the transaction with their private key.
A transaction is any normal payment process and a private key is the phrase you get when you create your wallet. This private phrase could consist of any combination of characters or words. It is important to point out, that in case of loss of your smartphone, you can always recover your wallet with that private keyphrase. It is also important to point out that NOBODY except you should know that keyphrase, not even your husband or wife, to avoid any possible future conflicts.
So now you have installed the wallet, you have secured the private keyphrase and now you have these tokens in your smartphone, aehm one moment how did they get there?  This is how easy it is to transfer funds from one person to another, in the times of digital cryptography.
In an instant, you can handle all your payments, no matter how small or how big they are. No matter which border is between you and the seller. Cryptographic tokens are borderless. The old digital payment systems like EC or VISA always required the merchant to rent machines, get these machines running, to make contracts with the credit card companies, to make contracts with the banks and in the end to pay the credit card companies a huge sum for that nearly monopolistic service.
The tokens have broken the monopoly of the credit cards to lower the fees for the merchants and so in the end the fees for the customers. All products paid with tokens are generelly cheaper for the consumer, than the same product paid in national currency. Because as you purchase the tokens, you are lending out a credit to the company, where you want to spend the token at later. That means these companies can develop much faster, they can sell you goods which they have not even produced yet and secure you with the token.
We are not only saving banking fees and interest rates for lending money between parties, but we are also saving on global natural ressources, by not using additional machines for the payment process, as anyone has a smartphone nowadays. Thanks to the mathematical genius of some of our brothers we now have a free economy, thanks to the crypto anarchos. Thanks and much love!
I promise to make good use of that gift and i will dedicate a big chunk of my life energy into spreading the word and explaining the people the huge impact of the cryptographic inventions. Crypto is the Ghandi movement of our time, anyone can make peace, just use a peaceful currency.
Imagine the school to have his own token of value, which you can buy for your kids, so they can purchase a meal in school, but they can not spend it otherwise. Imagine raising a token for african or south american countries, donations could be person to person, no government or institution taxing the donations. Imagine raising a token for the the countries we destroyed by invading them and stealing their ressources. To establish peace we have to refund their losses and leave them alone, respect their souveranity.
We can act, we can put our money where we want to see action, if we want to see peace, we have to invest in peace. Peace can also be a business, peaceful societies are much more flourishing than war driven territories are.
So why not raise a peacetoken which uses its funds to establish peace in the world? Peace is easy, we just have to do it, we just have to give others the food or land they need to survive and not steal anything else from them. All of that can be acomplished with money, money can be transferred in a few clicks. Land and food is really cheap in comparison to cars and airplanes.  We can click us to world wide peace!
If anyone wants to raise a peace token in collaboration with me, drop me a message!
Easy peacey!
Feliz
Feliz 21 Feb 2018
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|
blowbox
|
Keeps a shared pointer. More...
#include <shared_ptr.h>
Public Member Functions | |
| SharedPtr () | |
| Default SharedPtr constructor. | |
| SharedPtr (T *ptr) | |
| SharedPtr constructor with given pointer. | |
| SharedPtr (const SharedPtr< T > &other) | |
| SharedPtr copy constructor. | |
| SharedPtr (SharedPtr< T > &&other) | |
| SharedPtr move constructor. | |
| ~SharedPtr () | |
| Default SharedPtr destructor. | |
| SharedPtr & | operator= (const SharedPtr &other) |
| Copy operator overload. | |
| SharedPtr & | operator= (SharedPtr &&other) |
| Move operator overload. | |
| T * | operator-> (void) |
| Pointer access operator overload. | |
| T & | operator* (void) |
| Dereference operator overload. | |
| bool | operator== (const SharedPtr< T > &other) const |
| Equals comparison overload. | |
| bool | operator== (const T *other) const |
| Equals comparison overload. | |
| bool | operator== (std::nullptr_t) const |
| Equals comparison overload. | |
| bool | operator!= (const SharedPtr< T > &other) const |
| Does not equal comparison overload. | |
| bool | operator!= (const T *other) const |
| Does not equal comparison overload. | |
| bool | operator!= (std::nullptr_t) const |
| Does not equal comparison overload. | |
| void | Swap (SharedPtr< T > &other) |
| Swaps two shared pointers. More... | |
| void | Reset () |
| Resets this shared pointer. | |
| void | Reset (T *ptr, RefCount< T > *ref) |
| Resets this shared pointer to another ptr. More... | |
| void | ResetRaw (T *ptr, RefCount< T > *ref) |
| Resets this shared pointer to another ptr in a raw manner. More... | |
| T * | get () |
| Retrieves the pointer of this shared pointer. | |
Keeps a shared pointer.
| void blowbox::SharedPtr< T >::Reset | ( | T * | ptr, |
| RefCount< T > * | ref | ||
| ) |
Resets this shared pointer to another ptr.
| [in] | ptr | (T*) the other pointer |
| [in] | ref | (RefCount<T>*) the other ref count |
| void blowbox::SharedPtr< T >::ResetRaw | ( | T * | ptr, |
| RefCount< T > * | ref | ||
| ) |
Resets this shared pointer to another ptr in a raw manner.
| [in] | ptr | (T*) the other pointer |
| [in] | ref | (RefCount<T>*) the other ref count |
| void blowbox::SharedPtr< T >::Swap | ( | SharedPtr< T > & | other | ) |
Swaps two shared pointers.
| [in] | other | (SharedPtr<T>&) the other shared pointer |


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when it comes to a computer choosing, you have to know first what will you use this computer for.
If you’re looking for something you can easily carry to and from work, or bring with you on vacation, then a lightweight laptop could be in order. These weigh just a couple of pounds.
but if you want a laptop for doing heavy stuff like gaming or content creation you have to sacrifice the lightweight to get more performance, the laptops for that use become larger and heavier and also uglier sometimes.


TheSaaS is a responsive, professional, and multipurpose SaaS, Software, Startup and WebApp landing template powered by Bootstrap 4. TheSaaS is a powerful and super flexible tool, which suits best for any kind of landing pages.


Common use-cases should be streamlined:
- I have a URL that I want to sign (given consumer key/secret, optional token/secret, optional nonce/timestamp).
- I have a URL that I want to sign AND I want to see what the components (e.g. signature base string, etc.) are while it’s being signed (i.e. verbose signing).
- I have a URL that I want to sign and I only want the signature.
- I have a URL that I want to sign and I want something suitable to put in {the header, the querystring, XMPP}.
- I want to make a query to an OAuth-enabled web service (with sensible errors, if available).
- I want to host an OAuth-enabled web service.
- I want to test my OAuth-enabled web service (i.e. test helpers)
Example applications for:
- Ning
- Fire Eagle
- Google (blogger, contacts)
- YOS / YQL
- Netflix
In addition to providing best practices of use, these can also be part of the pre-release checks to make sure that there have been no regressions.
Random TODOs:
- finish CLI
- sensible Exception hierarchy
- Tokens as Modules
- don’t tie to Net::HTTP
- Take a look at Curb HTTP Verbs


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| Month | |||||
|---|---|---|---|---|---|
| {{mon.month}} | |||||
|
| # | Subject | Test Name | |
|---|---|---|---|
| {{$index+1}} | {{x.subjectName}} | {{x.testName}} | Download |
| Student Name : | {{studentInfo[0].firstName+" "+ studentInfo[0].lastName}} |
| Date Of Birth : | {{studentInfo[0].dob}} |
| Center : | {{studentInfo[0].Center}} |
| School Name : | {{studentInfo[0].schoolName}} |
| Student Mobile : | {{studentInfo[0].studentMobile}} |
| Student Email: | {{studentInfo[0].Email}} Your email address is invalid
|
| Fathers Name : | {{studentInfo[0].fatherName}} |
| Fathers Email: | {{studentInfo[0].fatherMail}} |
| Fathers Mobile: | {{studentInfo[0].fatherMobile}} |
| Fathers Occupation : | {{studentInfo[0].fatherOcc}} |
| Father Ofc Address : | {{studentInfo[0].fatherOfficeAddress}} |
| Gender : | {{studentInfo[0].gender}} |
| Batch : | {{studentInfo[0].Batch}} |
| School Timing : | {{studentInfo[0].schoolTiming}} |
| Mothers Name : | {{studentInfo[0].motherName}} |
| Mothers Email: | {{studentInfo[0].motherMail}} |
| Mothers Mobile: | {{studentInfo[0].motherMobile}} |
| Mothers Occupation : | {{studentInfo[0].motherOcc}} |
| Mother Ofc Address : | {{studentInfo[0].motherOfficeAddress}} |
| Pin Code: | {{studentInfo[0].pincode}} |
| City : | {{studentInfo[0].city}} |


Your GIF collection is useless if you never remember the links when you want to use them.
No more long, random, forgettable links to your GIFs. Never wonder if you want to be linking to R5fG.gif or Rf5G.gif again. Link instead to yourname.gifs.io/wink.gif.
An intuitive website and an easy-to-use Chrome extension put your GIFs at your fingertips. Curating your collection and retrieving GIFs when you need them has never been easier.
The software running gifs.io is open source; set up your own server or name your price and we’ll host everything for you. More about our pricing.


System Architect Picture "Focus For Further Activity"
Parent Diagram:
Subject Property Qualifier
(OMT Object Model)


{# Project menu dropdown, only visible if browser width < X and sidebar is hidden #}
{% include 'projectroles/_project_menu_btn.html' %}
{% if query_type == "case" %}
Filter Variants for Case
{{ object.name }}
{% else %}
{% if cohort %}
Joint Filtration for Cohort
{{ cohort.name }}
{% else %}
Joint Filtration for Project
{{ project.title }}
{% endif %}
{% endif %}
{# Project copy uuid #}
{% if enable_uuid_copy %}
{% if query_type == "case" %}
{% else %}
{% if not cohort %}
{% endif %}
{% endif %}
{% endif %}
{% include "variants/_case_filter_buttons.html" %}
This is the variant filtration form.
You can use the form controls below to adjust your filter criteria.
Click the Filter & Display when you are ready!
The results of your previous query will be loaded automatically if there are any.


{% extends "layout.html" %} {% block page_title %} Example - Forms {% endblock %} {% block content %} {% include "includes/phase_banner_beta.html" %} {{formData | safe}} How long each day will you care for children? How long each day will you care for children? More than two hours Less than two hours Not sure {% endblock %}


|
iDreamSky Game Engine
v1.0.0
|
GXTextureMinFilterMode encapsulate minification filter. 更多...
#include <GXDef.h>
公開方法(Public Methods) | |
| GXTextureMinFilterMode (unsigned int order_=0) | |
| operator unsigned int () | |
| operator const unsigned int () const | |
| unsigned int | getValue () const |
| bool | set (const String &value) |
| void | read (InputStream &is) |
| void | write (OutputStream &os) const |
靜態公開屬性 | |
| static const GXTextureMinFilterMode | Nearest |
| Nearest Sampling. | |
| static const GXTextureMinFilterMode | Linear |
| Linear Sampling. | |
| static const GXTextureMinFilterMode | NearestMipmapNearest |
| Nearest Sampling of Nearest Mipmap. | |
| static const GXTextureMinFilterMode | LinearMipmapNearest |
| Linear Sampling of Nearest Mipmap. | |
| static const GXTextureMinFilterMode | NearestMipmapLinear |
| Nearest Sampling of Linear Sampling of Mipmap. | |
| static const GXTextureMinFilterMode | LinearMipmapLinear |
| Linear Sampling of Linear Sampling of Mipmap. | |
GXTextureMinFilterMode encapsulate minification filter.


RegNo:- 3iD#12345
Receipt No:- Rec:-9901
Date: 22nd May 2018
Admission Receipt
Name:- John Doe
Programme:- Web Designing
Course Fees 3000
GST 100
Amount (words) Three Thousand Rupees Only
Authorized
Signatory
Note:- Paid Amount Will not be Refunded!


Based in Ouarzazate, we offer original, tailor-made treks and tours in which we try to incorporate all of your wishes. Please find some examples of treks and tours on this page. Have another destination in mind? No problem! Just let us know where you would like to go and we will provide you a customized program for your trip!
Our goal is to bring people together and to get to know and understand the Moroccon Berber culture and hospitality. We are lucky that we get to do this in an amazing and beautiful landscape with respect for nature and environment, the local people and the local economy. We are never far from the real Berber life, we gladly accept invitations from the locals and nomads to drink tea together, we encourage children to play games together, we visit local schools, local crafts, local souks,... We hope that after a great journey, you’ll return home with your own painting of impressions and memories.
“Au Maroc nous n'avons pas l'heure, nous avons le temps”
Born in a small village between the Atlas and the Saghro-massif, Abdo knows the mountains by heart.
He has specialized in hiking since more than 15 years, leads you along small donkey trails and wherever possible avoids the bigger slopes. He looks for the best campsites and his accompanying cook prepares the most delicious fresh meals. Authenticity and great personal support are guaranteed by Abdo and his team of mule-drivers. They do everthing to give you a unique experience in a wondrous region, where you can taste the Berber culture, the natives’ hospitality and the stunning scenery. Walking is up to you, everything else is taken care of by Abdo and his team! Pure enjoyment!
Abdo is also an experienced driver with a tourism permit. He will drive you by 4WD or minibus through the most impressive landscapes of the High, Middle & Anti-Atlas and the desert to the most beautiful cities and villages of Morocco. Abdo speaks Tachelhit (Berber), Arabic, French and Spanish fluently and tries to master Dutch and English.
“It is better to see something once than to hear about it a thousand times."
Martine, Belgian by birth, Berber by heart. Because of the many hikes in Morocco she fell in love with the country and by extension with the local Berber population.
She is fascinated by the beautiful nature, the Berber hospitality and the rich culture of Morocco and definitely wants to share these experiences with other travelers.
Martine is Abdo’s right hand, both in marriage and in the booking and planning, for setting up the desired circuits. She is always looking for new, original and authentic destinations and highlights all around the country. She will be happy to answer your questions in Dutch, French and English.
And finally we also offer accommodation in Ouarzazate. Up to 6-8 people can stay in a beautiful apartment near Taourirt Kasbah. For more details we invite you to visit www.airbnb.be.


Toolkits > com.ibm.streamsx.network 3.0.0 > com.ibm.streamsx.network.parse > DHCPMessageParser
DHCPMessageParser is an operator for the IBM InfoSphere Streams product that parses individual fields of DHCP messages received in input tuples, and emits tuples containing message data. The operator may be configured with one or more output ports, and each port may be configured to emit different tuples, as specified by output filters. The tuples contain individual fields from the input message, as specified by output attribute assignments.
The DHCPMessageParser operator expects only DHCP messages in its input tuples, without any of the headers that precede them in network packets. The PacketLiveSource and PacketFileSource operators can produce tuples that contain DNS messages with the PAYLOAD_DATA() output attribute assignment function.
The DHCPMessageParser operator consumes input tuples containing DHCP messages, parses individual fields in the messages, selects messages to emit as output tuples with output filter expressions, and assigns values to them with output attribute assignment expressions.
Output filters and attribute assignments are SPL expressions. They may use any of the built-in SPL functions, and any of these functions, which are specific to the DHCPMessageParser operator:
The DHCPMessageParser operator emits a tuple on each output port for each input tuple, optionally filtered by the 'outputFilters' parameter. Specified fields from the DHCP message in the input tuple are assigned to output attributes with the DHCP parser result functions. All attributes of all output ports must be assigned values, either with explicit assignment expressions, or implicitly by copy from input tuples.
This operator is part of the network toolkit. To use it in an application, include this statement in the SPL source file:
use com.ibm.streamsx.network.parse::*;
The DHCPMessageParser runs on the thread of the upstream operator that sends input tuples to it. It does not start any threads of its own.
The DHCPMessageParser operator will throw an exception and terminate in these situations:
The 'outputFilters' parameter is specified, and the number of expressions
The network toolkit includes several sample applications that illustrate how to use this operator.
DHCP messages and the fields they contain are described here:
The result functions that can be used in boolean expressions for the outputFilters parameter and in output attribute assignment expressions are described here:
Required: messageAttribute
Optional: outputFilters, processorAffinity
The DHCPMessageParser operator requires one input port. One input attribute must be of type blob and must contain a DHCP message, excluding the network headers that proceed them in network packets, as specified by the required parameter messageAttribute.
The PAYLOAD_DATA() output assignment function of the PacketLiveSource and PacketFileSource operators produces attributes that can be consumed by the DHCPMessageParser operator.
The DHCPMessageParser operator requires one or more output ports.
Each output port will produce one output tuple for each input tuple if the corresponding expression in the outputFilters parameter evaluates true, or if no outputFilters parameter is specified.
Output attributes can be assigned values with any SPL expression that evaluates to the proper type, and the expressions may include any of the DHCP result functions. Output attributes that match input attributes in name and type are copied automatically.
Required: messageAttribute
Optional: outputFilters, processorAffinity
This required parameter specifies an input attribute of type blob that contains a DHCP messages to be parsed by the operator.
This optional parameter takes a list of SPL expressions that specify which DHCP messages should be emitted by the corresponding output port. The number of expressions in the list must match the number of output ports, and each expression must evaluate to a boolean value. The output filter expressions may include any of the DHCP result functions.
The default value of the outputFilters parameter is an empty list, which causes all DHCP messages processed to be emitted by all output ports.
This optional parameter takes one expression of type uint32 that specifies which processor core the operator's thread will run on. The maximum value is P-1, where P is the number of processors on the machine where the operator will run.
Where the operator runs on a thread of its own, this parameter applies to the operator's thread. This is the situation when the operator's input port is configured as a threaded input port, and when the operator has an @parallel annotation.
Where the operator runs on the thread of an upstream operator, this parameter affects the thread of the operator that sends tuples to it. This is the situation when the operator is fused with an upstream operator.
The default is to dispatch the operator's thread on any available processor.


Xbox One Black Friday 2019: the best deals on consoles, games, Xbox One X, accessories and more
by StaffIt’s just a week away from one of the biggest sale days of the year and we’re already looking at the best Xbox One Black Friday deals currently available! If you’re looking to finally grab an Xbox One, or just get some good discounts on Xbox One titles, you’re in the right place.
While Black Friday is November 29, many retailers start releasing sales and discounts early, in an attempt to grab some extra money from consumers before their attention is pulled into a thousand different deals. We have the best deals for the Xbox One that are out so far and we’ll be constantly updating our Xbox One Black Friday hub with new deals, so you don’t have to worry about missing out.
The best Xbox One Black Friday deals so far
We’re seeing many retailers start to put some early Xbox One Black Friday deals live. Amazon had some healthy reductions across Xbox One consoles and controllers but now Walmart has this excellent Xbox One S Ultimate Sports Bundle for $300. You can also get three months of Xbox Game Pass Ultimate for $1 right now, too!
Depending on how desperate you are for an Xbox, though, you might want to wait just another week or two for the Best Buy Xbox Black Friday sales. They are going to give us an Xbox One X 1TB Star Wars Jedi: Fallen Order Deluxe Edition Bundle for only $349.99. Or, the Xbox One S with one game will be $199.99. Decisions! Decisions! And that doesn’t include the first wave of Xbox Black Friday deals announced by Microsoft last week.
Something else surprising could drop on the day but we really don’t expect to see many better Xbox One Black Friday deals compared to that on the horizon. Until then, here’s what we have so far:
In the US:
Xbox One Console Deals:
- Xbox One S 1TB Console – Tom Clancy’s The Division 2 Bundle for $249.99 from Amazon US
- Xbox One X 1TB Star Wars Jedi: Fallen Order Deluxe Edition Console Bundle for $349.99 from Best Buy
- Xbox One S 1TB Star Wars Jedi: Fallen Order bundle with $40 Gift Card for $199.99 from Target
- Xbox One S 1TB Console with Gears 5, Call of Duty: Modern Warfare and Call of Duty: Modern Warfare Legacy Trilogy for $299.99 from Walmart
- Xbox One S 1TB All-Digital Edition Console for $149.99 at Best Buy
Xbox One Game Deals:
- Grand Theft Auto V: Premium Edition for $14.99 from Best Buy
- Gears 5 for $24.99 from Best Buy
- The Witcher 3: Wild Hunt Complete Edition for $19.99 from Best Buy
- Forza Horizon 4 for $19.99 at Best Buy
- NBA 2K20 for $39.99 at Walmart
- Madden 20 for $29.99 at Target
- Tom Clancy’s Ghost Recon Breakpoint for $49.94 at Walmart
- Fallout 4 GOTY Edition for $37.99 at Walmart
- Star Wars Battlefront II (Digital) for $12.49 at Amazon US
- Red Dead Redemption II (Digital) for $29.99 at Amazon US
- Super Lucky’s Tale for $14.99 at Best Buy
Xbox One Accessory Deals:
- Xbox One Elite Series 2 Controller – Black for $179.99 from Amazon US
- Xbox Wireless Controller – Black for $39.99 from Amazon US
- Xbox Game Pass Ultimate 3 Month Membership for $24.99 from Best Buy
In the UK
Xbox One Console Deals:
- Xbox One S 1TB with Gears 5 and The Division 2 for £249.99 from GAME
- Xbox One X 1TB Gears 5 Limited Edition with The Division 2 for £449 from GAME
Xbox One Game Deals:
- Resident Evil 2 for £19.99 from Amazon UK
- The Division 2 for £24.99 from Amazon UK
- Devil May Cry 5 for £14.85 from Base
Xbox One Accessory Deals:
What Xbox One Black Friday deals are we expecting this year?
The All-Digital Edition will be just $149.99, while an Xbox One S 1TB with NBA 2K20 will be down to $199.99. As for the more powerful console, there’s going to be Xbox One X with Star Wars Jedi: Fallen Order for only $349.99. Fallen Order has only just come out!
We also know that a range of Xbox One controllers will be reduced by $20 for Black Friday thanks to an early Microsoft announcement. Many different colours and styles will be featured, including rare and limited editions. It’s pretty likely all retailers will follow this $20 off model, but some might offer an even deeper discount for Black Friday.
Xbox game deals will be an interesting one to follow, what with the rise of Xbox Game Pass Ultimate over the last few months. Many Xbox One owners are turning to that subscription service as it offers a healthy library of titles to play – a number of which are brand new releases, too! Microsoft has also already confirmed, though, that Sea of Thieves: Anniversary Edition will be 50% off for Black Friday.
So, could some of the biggest Xbox One games get hefty discounts? Perhaps, though we’d actually expect Microsoft to continue pushing the Xbox Game Pass Ultimate service even harder over Black Friday. They’re already offered six months of Xbox Game Pass Ultimate for the price of three and now there’s a $1 for three-month offer for new Xbox Game Pass Ultimate members. On Black Friday, you can expect to get an Xbox Game Pass Ultimate 3 month membership for $24.99.
Outside of that, though, we should see some discounts on newly released Xbox One games. Titles like Gears 5 for $24.99 and Forza Horizon for $19.99 will top Best Buy’s ad this year, while Madden 20 for $29.99 will be a doorbuster for Target’s sale.
What about an Xbox One X Black Friday deal?
You’ll be able to get Xbox One X with Star Wars Jedi: Fallen Order for just $349.99. It’s not quite down to that dream $300 price point, but it’s still a terrific deal as Microsoft has been a little shy to discount its more powerful console in the past. With time moving on and the release of Project Scarlett approaching, it makes sense to see a significant Xbox One X Black Friday bargain.
Remember, the super-console sells for around the $500 mark as part of a bundle. A $150 cut is more than reasonable and represents a solid saving on the Xbox One X console.
What was that about Project Scarlett coming out soon?
Microsoft recently confirmed that Project Scarlett will launch in ‘Holiday 2020’ with Halo Infinite. The hype for their next-generation console is slowly building alongside the PS5. A year away may feel like a long way off, but it’ll come around sooner than you think!
With that in mind, you might be hesitant to pick up an Xbox One Black Friday deal. That’s totally understandable. However, the looming release of Project Scarlett could also work in your favour as retailers might look to discount their current stock of Xbox One S and Xbox One X consoles considerably. And that’s where the biggest Xbox One Black Friday deals could reveal themselves!
What Xbox One Black Friday deals did we see last November?
Last year’s Xbox One Black Friday deals were wild, varied and a little underwhelming.
Outside of the $200 Xbox One S consoles, there wasn’t much that really grabbed our attention. There were a few big name games that saw price cuts to the tempted $30 mark, so that was nice. We also saw Xbox One controllers get reduced, thankfully bringing them down to a more reasonable price for once!
The Microsoft Store was good for digital game deals, though. As we’ve moved another year into the future and digital sales continue to grow, this could be an area that Microsoft looks to capitalise on for Black Friday 2019.
Altogether, we’re pretty excited to see what Xbox One Black Friday offers are up for grabs in 2019. With the momentum of Xbox Game Pass Ultimate behind them, the release of Project Scarlett coming soon and whatever moves Sony decides to make, it could be a fruitful time for buyers!
Wait a sec, what’s Black Friday?
If you’ve somehow managed to avoid it throughout your life you’re in for quite the surprise.  It’s considered the biggest day of the year for retailers as they go all out to attract buyers looking to treat themselves or prepare some early Christmas gifts for cheap.
This year, Black Friday falls on 29th November 2019. However, the sales actually last for about 3 weeks surrounding that date – or even earlier in some cases! That’s why we’ve started to gather up the best Xbox One Black Friday deals now, in case anything especially exciting drops early. You’ll be able to find everything that comes out early or in the days after Black Friday right here.
To see what the competition is up to, you can also check out our hub pages dedicated to the best PS4 Black Friday deals and best Nintendo Switch Black Friday sales. All will continually be updated over the coming weeks and Black Friday draws ever closer like the ominous retail monstrosity it is.


## ITEC 4220 - Advanced Data Analytics ### Module 3 - Obtaining and scrubbing data #### Credits: Cengiz Gunay, Rick Price #### Reading: Ch 1 & 2 from [Book's website](https://www.datascienceatthecommandline.com/), [Safari Books/O'Reilly](https://learning.oreilly.com/library/view/data-science-at/9781491947845/)
or [free source](https://github.com/jeroenjanssens/data-science-at-the-command-line) #### [Conquering the Command Line](http://conqueringthecommandline.com/)
### Data Science is OSEMN: Anatomy of a project - Start with a question or hypothesis that is testable with existing data 1. (O)btain data 2. (S)crub it for relevant parts 3. (E)xplore data to understand what can be done 4. Convert question into statistical (M)odel 5. Select and use a technique to optimize or test model with data 6. i(N)terpret results: visualize, summarize, make a recommendation 1. Go back to 1 and revisit/modify/repeat
### Obtaining data - Download - Query database - Extract from sources (e.g., HTML crawl/parse) - Generate yourself (reading sensors)
### Scrubbing data - prepping for analysis: - Filtering lines - Extracting only some columns - Replacing values - Extracting words - Handling missing values - Converting data formats
### Exploring data To understand nature of data and what can be done with it - Browse and look at data - Derive statistics - Visualize
### Modeling data To predict from data - Example 1: testing whether global warming exists; check for correlation between time and temperature - Example 2: if person A buys book X, would person B also buy it?
### Interpret data - Draw conclusions - Evaluate meaning of results - Communicate results
### Apache Tools - **Hadoop:** MapReduce - **Pig:** High-level language that generates sequences of MapReduce programs - **Hive:** Data warehouse software. Allows SQL on distributed storage - **Spark** - Unified analytics engine. - Provides high-level APIs in Java, Scala, Python and R - Many libraries - **Cassandra:** Scalable, distributed database Most require the **command line**.
### What is the command line? - Endless text flow
- Allows streaming operations - More flexible than UI - Many tools are already included - Multiple ways to install/access
### Why command line? - Agile - REPL- Read, Evaluate, Print, Loop - Can rapidly start, stop, and adjust jobs - Use it in addition to UI - Scalable - Extensible: 40 years running - Ubiquitous: 95% of top 500 supercomputers
### How to practice? #### On Windows: Do ONE of the following: - Open [REPL.it](https://replit.com/languages/bash) - Install [Git](https://git-scm.com/) and use _Git Bash_ - Run textbook image using _Docker_ (next slide down) - Run your own Linux virtual machine - Connect to ITECLAB VPN to use our own servers (next slide down) #### On Mac/Linux: - Open Terminal
### Docker image from textbook - Container technology - **has all the tools used in book** - Allows running multiple OS's and technologies in a Container - Many pre-built containers that you can download - [Install Docker](https://www.docker.com/get-started), and run: ``` docker run --rm -it datasciencetoolbox/dsatcl2e ``` - Will launch a Docker container running Unix created by the author
### Connect to GGC servers via the ITECLAB VPN - Open `vpn2.ggc.edu` in browser - Submit form to download and install Cisco client - Run client and **uncheck option** to "Block unsafe connections" - connect to **`vpn.ggc.edu`** (not vpn2) - Select **ITECLAB** from pull down menu - Enter GGC ID and Password - Once VPN established, connect to our server with: ```bash ssh USERNAME@IP ``` (ask for USERNAME and IP in class)
### How to get started and learn more? Two resources: 1. [Conquering the command line](http://conqueringthecommandline.com/) by Mark Bates
(free online book for starters) 1. Ch 1-2 of course textbook **Data Science at the Command Line**
(see links on [cover slide](#/))
### Basic Commands (Unix) - `cd` - Change directory - `pwd` - Display directory path, current - `ls` - List files in current directory - `ls -la` - List all files with their attributes - `clear` - Clear screen - `rm` - delete a file - `mkdir` - Make a directory - `mv` - move a file or rename it - `cp` - Copy a file - `echo` - display a string
### More Advanced Commands (Unix) - `awk, nawk, gawk` - text stream processing - `grep` - find lines based on keyword - `cat` - stream file - `head/tail` - get beginning and end of file/stream - `sudo` - run command with administrative power - `curl` - download file from web
### awk
`BEGIN {awk commands}` Body block - applies the awk-commands on every input line. `END {awk-commands}`
- Download [marks.txt](files/marks.txt) and run one by one: ```bash awk 'BEGIN{printf "No Name Subject Marks\n"} {print}' marks.txt awk 'BEGIN{printf "Total Marks\n"; marks = 0} {marks = marks+$4} END{print marks}' marks.txt ``` - [TutorialsPoint](https://www.tutorialspoint.com/awk/awk_overview.htm)
### grep - searches named input file for lines matching a pattern ```bash grep "Kedar" marks.txt ``` [TutorialsPoint](https://www.tutorialspoint.com/unix_commands/grep.htm)
### cat - Concatenate file(s) to standard output (stream) - Download [marks2.txt](files/marks2.txt) and run: ```bash cat *.txt ``` [TutorialsPoint](https://www.tutorialspoint.com/unix_commands/cat.htm)
### sudo - "super user do" - Allows you to have root control of your Unix system - `sudo` _command_ [TutorialsPoint](https://www.tutorialspoint.com/unix_commands/sudo.htm)
### curl - Downloads file or HTML page from web - Allows you to use different protocols ```bash curl https://www.google.com/ ``` [TutorialsPoint](https://www.tutorialspoint.com/unix_commands/curl.htm)
### Reading and writing files: redirection - Use `<` for reading a file: ```bash cat < file.txt ``` - Use `>` for writing into a file: ```bash cat file.txt > newfile.txt cat another-file.txt >> newfile.txt # appends ``` - Use `|` for cascading commands, streaming, piping: ```bash grep word file.txt | head ``` - They can be combined! ```bash grep word < file.txt | head > top-finds.txt ``` [More info in DSCL Ch 2.3.5](https://jeroenjanssens.com/dsatcl/chapter-2-getting-started.html#redirecting-input-and-output)
### An example Finding out when is the next Fashion Week using New York Times web API: ```bash $ cd ~/book/ch01/data $ parallel -j1 --progress --delay 0.1 --results results "curl -sL "\ > "'http://api.nytimes.com/svc/search/v2/articlesearch.json?q=New+York+'"\ > "'Fashion+Week&begin_date={1}0101&end_date={1}1231&page={2}&api-key='"\ > "'
'" ::: {2009..2013} ::: {0..99} > /dev/null Computers / CPU cores / Max jobs to run 1:local / 4 / 1 Computer:jobs running/jobs completed/%of started jobs/Average seconds to complete local:1/9/100%/0.4s ``` Ran 500 parallel queries to receive 1000 articles in JSON format.
### Parsing
Looking at the output
directories under `results`:
Combine and process:
```bash $ cat results/1/*/2/*/stdout | > jq -c '.response.docs[] | {date: .pub_date, type: .document_type, '\ > 'title: .headline.main }' | json2csv -p -k date,type,title > fashion.csv ``` 1. `cat`: Outputs contents of files 1. `jq`: Parses JSON content 1. `json2csv`: Converts to CSV
### Exploring Count number of rows in result: ```bash $ wc -l fashion.csv 4856 fashion.csv ``` Select and browse some columns: ```bash $ < fashion.csv cols -c date cut -dT -f1 | head | csvlook |------------+------------+-----------------------------------------| | date | type | title | |------------+------------+-----------------------------------------| | 2009-02-15 | multimedia | Michael Kors | | 2009-02-20 | multimedia | Recap: Fall Fashion Week, New York | | 2009-09-17 | multimedia | UrbanEye: Backstage at Marc Jacobs | | 2009-02-16 | multimedia | Bill Cunningham on N.Y. Fashion Week | | 2009-02-12 | multimedia | Alexander Wang | | 2009-09-17 | multimedia | Fashion Week Spring 2010 | | 2009-09-11 | multimedia | Of Color | Diversity Beyond the Runway | | 2009-09-14 | multimedia | A Designer Reinvents Himself | | 2009-09-12 | multimedia | On the Street | Catwalk | |-------------+------------+-----------------------------------------| ```
### Plotting Create a plot using R, Rio, and ggplot2 ```bash $ < fashion.csv Rio -ge 'g + geom_freqpoly(aes(as.Date(date), color=type), '\ > 'binwidth=7) + scale_x_date() + labs(x="date", title="Coverage of New York'\ > ' Fashion Week in New York Times")' | display ```
### Regular Expressions - A [regular expression](https://en.wikipedia.org/wiki/Regular_expression) (or regex) is a language for forming search/replace patterns for text processing. - Succinct and powerful tool to extract information from text input - Fast implementations in many languages/frameworks/platforms - Practice on [RegExr](https://regexr.com/)
### [Commands in a regexp pattern](https://www.regular-expressions.info/quickstart.html) - `/` default quoting character at start or end a regex pattern - `.` matches any character - `[]` denotes accepted character lists or ranges: `[abc]`, `[0-9]`, or `[a-zA-Z_]` - `\X` shortcut character lists: `\w` all word characters, `\s` all whitespace characters, so on #### Example: `/[HY][ea]y./` will match string "Hey", "Heya", "Yay!", ... #### Question: `/.e..\w/` will it match "Hello"?
### Repetition - `*` 0 or more matches of _previous_ character/pattern: `a*` will match empty string or `a`, `aa`, so on - `+` like `*`, but 1 or more matches: `a+` will not match empty string - `{}` specifies number of matches of previous pattern: `a{1,3}` will match `a`, `aa`, and `aaa` #### Example: `/Gun.*/` will match text "Gunay" #### Question: `/Guna*/` will it match text "Gunay"?
### Escaping, grouping, and anchoring - `\` will help you _escape_ the commands to search literal characters:
`\++` will match `+`, `++`, so on - `^` and `$` will match beginning and end of line (or string), resp. - `()` groups subsets for repeating or replacing - `|` logical OR operation, matches one of the possible expressions #### Example: `/^(gun|ay)+$/` will match both "gungungungun" and "ayayayay" #### Question: `/^(Price|is|right)*/` will it match text "Priceisright"? will it match text " rightisright"?
### Replacing text Very useful feature, general form: `s/search/replace/flags` - `search` is the regexp that may contain grouping `()` - `replace` is the replacement text, and can insert matched groups using `\1`, `\2`, and so on, according to order of matched groups - `flags` are single characters indicating: - `i`: case insensitive match - `g`: replace multiple times, globally - `m`: multi-line application; `^$` matches beginning and end of multi-line string and `.` can match end of line (`\n`) characters
### Next steps - Look at assignment - [Practice](https://regexr.com) - Read more about [regexp](https://www.regular-expressions.info/quickstart.html) or [Javascript Regexp](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Exp)
< Home


The SAP Concur App Center provides partner apps and services that extend the value of your Concur solution. These apps and services provide greater insights into your total spend, simplify travel and expenses, and bring travelers closer to the perfect business trip.
If you have SAP Concur App Center questions not covered in this document please, email<EMAIL_ADDRESS>The SAP Concur App Center is a listing of applications that offer pre-built integration with Concur. The SAP Concur App Center is available within Concur Solutions and at www.concur.com/appcenter. There are both apps for companies and apps for individual users:
The SAP Concur App Center helps companies improve spend management and compliance while making travel and expensing easier for users. Pre-built integrations allow for easy adoption and deployment.
No, because our App Center is only about enabling the flow of data between Concur and other tools, there is nothing to download in Concur. If they don’t already use an app, users would need to first set up an account with that provider (and in some cases download the provider’s app on their mobile device) and then link their accounts.
The App Center is available on SAP Concur’s public website, the “In-Product” solution and in Concur for Mobile (only user apps).
All SAP Concur users and admins. All partner listings can be found in the public and “In-Product” App Center. The App Center on Concur for Mobile currently only displays apps in the user connections category. All Concur Standard, Professional and Premium Edition clients and users have access.
Each app appearing in the App Center is reviewed by Concur before clients or end users can connect with the application. SAP Concur reviews the application to confirm the following:
SAP Concur ensures that the partner informs the user of the type of data they will be sharing with the partner if they connect. This provides complete transparency to the user on the data they are sharing with the partner.
End users will only see applications that are available in their country. If an employee is searching for an application but unable to find it, it is possible the application does not support their region. You can refer to www.concur.com/appcenter and scroll down to the “regional availability” to find out where an application is avaiable.
SAP Concur’s platform enforces several layers of security:
OAuth is an open standard for authorization. OAuth provides a method for clients to access server resources on behalf of a resource owner (such as a different client or an end-user). It also provides a process for end-users to authorize third-party access to their server resources without sharing their credentials (typically, a username and password pair), using user-agent redirections.
User connections (formerly Apps for Me) are end-user apps. Users can “connect” their accounts enabling relevant data to flow between the two solutions. An example would be TripIt, an app which provides a Concur Travel integration. It’s important to note that the apps displayed on this tab are based on the client’s product configuration; for example, a user with Concur Travel only will not see expense related apps.
Enterprise applications (formerly Apps for My Business) are enterprise apps that need to be procured and activated by the appropriate SAP Concur administrator in an organization. In the App Center, individuals can learn about the apps that are available and send an inquiry to the partner. Once you have contracted with the partner and provided SAP Concur with a signed Letter of Authorization (provided by the partner) signifying that you authorize SAP Concur to enable the integration the app can be enabled. There will typically be a few steps to configure the integration, depending on the application type. An example would be Taxback International, which provides an Expense integration.
Note: Some partners, such as Uber for Business, use a connection process that allows the Letter of Authorization to be agreed upon online by an administrator. Screenshots of this process appear in the answer to “Can any user connect to an enterprise application?“ on page 8 below.
No, if a company does not have TripLink they will not see Concur TripLink apps in the “user connections” section when logged in to Concur.
On each App Center Partner listing, a “Request Information” button will be available for users to click to complete an inquiry form that will be submitted directly to the App Center Partner; this is for apps in the enterprise category. User connection apps will have a “Login to connect” button requiring them to log into their Concur account to connect their account.
Users can also view brochures, videos, contact information and the partner’s website for both types of apps.
In the “In-Product” experience, users will be able to view which end-user applications they have connected with (indicated with a green check box) and disable those integrations if desired.
The public website experience will not display which apps the user is connected to.
For both the “In-Product” and public website App Center, enterprise applications will only display the app listing and the option to “Request Information” with the partner.
User applications in the “in-product” App Center are also filtered by the user’s region, the SAP Concur products your company is using (Travel, Expense, and/or Invoice), and whether or not your company has purchased TripLink.
Users cannot download apps directly from the SAP Concur App Center, it’s simply a means to open a secure gateway to share relevant data between their Concur account and their account with the partner. If you have concerns about your users being able to connect with any of the user apps, you’re able to disable them following the App Center Administrator User Guide.
Travel booking controls, content and search results are still defined by you. Travelers will only see TripLink supplier listings if you have enabled the TripLink service. Admins may also disable certain user applications so that users are not able to connect their accounts via the App Center Administrator User Guide.
No, only users with administration permissions (as defined in the App Center Administration Guide) can connect to enterprise applications.
When viewing enterprise applications as an administrator, you will see the following options:
Users that do not have administration privileges will see the below and will be unable to connect.
For more information on connecting to enterprise applications as an administrator, please see the App Center Administration guide.
If a user clicks the “Request Information” button, they will be taken to a contact form. If the form is submitted, the partner will reach out to the contact and engage with them for more information about their app. All enterprise app integrations require an authorized contract and SAP Concur Administrator engagement.
By offering visibility of “Enterprise Applications” to your user-base, you may discover that there are additional needs among your traveling community for specific integrations with Concur Travel & Expense. For example, a sales person may have the need to integrate Concur Travel & Expense with a CRM or ERP system. If they see a connection is available in the App Center, they can communicate that to their company for further review of the solution.
While there may be many areas of the business that determine if an app is a good fit for their business requirements, they will always require the involvement of the SAP Concur Administrator to activate an application so there is no risk of an enterprise app being enabled without the SAP Concur Administrator’s authorization post a contract signature.
Access to the App Center is free of charge. If a company chooses to connect with an enterprise app, they first have to contract with that App Center partner directly, where there may be a cost. These transactions are between you and the partner and are not facilitated within the App Center. Some of the user connection apps will have costs associated with using that partner’s service. The users can procure the service directly from the partner but again, those transactions are not facilitated within the App Center.
Not necessarily. There may be enterprise applications which are relevant only for a particular vertical industry or region. Advanced filtering and search functionality are available to enable you to easily find the apps that are most relevant.
User connection apps displayed are based on the client’s product configuration; for example a user with Concur Travel only will not see expense-related apps.
Yes. The App Center within the SAP Concur product is available to all countries and regions; however, the user connection apps an employee sees will be filtered to show only those available in the employee’s home location and the SAP Concur products your company utilizes.
The public App Center found at https://www.concur.com/app-center contains all partner applications regardless of where or with which products the app is available.
Regional availability is noted in the details page of each app listing in the App Center.
Additionally, SAP Concur is adding regional public App Centers. So far, we have pages with specially-curated apps for Japan, the UK, and Australia, with more to come.
What you’ll see in the public and in-product App Center:
What you’ll see in the App Center on Concur for Mobile:
If your company does not have the App Center tab enabled within Concur Solutions and would like to add it, please email<EMAIL_ADDRESS>with your company name. The App Center is available for all customers and is free of charge.
Please email<EMAIL_ADDRESS>with your App Center Partner recommendation.
If you have additional questions or would like to discuss the SAP Concur App Center, please email concur_AppCenterMarketing@sap.com.


Testing Words¶
Stack Testing¶
Stack testing involves checking the stack pointer before and after the code being tested is executed, and testing for the change in the stack pointer as well as matching the values put on the stack by the code being tested against the values expected. By its very nature this code is applied a task-specific level but can be used in different tasks simultaneously. This code is not part of the prebuilt binaries, but rather is in test/common/stack.fs
and may be used both compiled to flash and compiled to RAM.
forth
¶
The following words are in forth
.
stack-fail-hook
¶
stack-fail-hook
specifies an xt to be executed, if set to a value other than 0, when a stack test fails. By default this is set to 0.
x-stack-fail
¶
( – )
x-stack-fail
is an exception raised when }t
detects a stack position mismatch relative to the stack pointer recorded by t{
and the number of cells on the stack passed into it. The purpose of this exception is that the stack pointer is unknown, so the only way to recover from it is by raising an exception.
t{
¶
( – ) ( R: – sp )
This word saves the current stack pointer on the return stack for it to be used later by }t
.
}t
¶
( x1 … xn y1 … yn u – ) ( R: old-sp – )
This word checks that the current stack position is two times u cells greater than the old stack position recorded on the return stack; if this is not the case the xt stored in stack-fail-hook
is executed, if it is not 0, and then x-stack-fail
is raised. If this is the case each value xi is matched against its corresponding value yi, if any one of these does not match, then the xt stored in stack-fail-hook
is executed if it is not 0.
Emit Capture Testing¶
Emit capture testing involves installing a hook into emit
transparently, and using this to capture and test each byte emitted against specified rules without interfering with the operation of the system. This is done in a transparently multitasking-friendly manner, and can be used to test behavior spread across multiple tasks without any extra work being needed on the programmer’s part. This code is not part of the prebuilt binaries, but rather is in test/common/capture.fs
and may be used both compiled to flash and compiled to RAM.
forth
¶
The following words are in forth
.
capture-fail-hook
¶
capture-fail-hook
specifies an xt to be executed, if set to a value other than 0, when an emit capture test fails. By default this is set to 0.
enable-capture
¶
( – )
This word enables emit capture testing.
disable-capture
¶
( – )
This word disables emit capture testing.
no-capture
¶
( xt – )
This word temporarily disables emit capture testing, and then executes xt, afterwards enabling emit capture testing if it had been previously enabled.
x-capture-full
¶
( – )
This word is the exception raised when the emit capture test buffer is full and the user attempts to add another emit capture test.
clear-capture
¶
( – )
This word clears the emit capture test buffer, effectively disabling emit capture test until another emit capture test is added.
add-match-capture
¶
( b-addr bytes xt – )
This word adds a matching emit capture test, which fails unless each character in the specified string is matched in order. xt is an xt which is executed when either the matching emit capture test fails, where then it is passed false
, or when the matching emit capture test is successfully completed, where then it is passed true
, unless it is set to 0, where then it is ignored.
add-skip-capture
¶
( b-addr bytes limit xt – )
This word adds a skipping emit capture test, which fails if more than limit characters are emitted without the specified string having been matched in full. xt is an xt which is executed when either the skipping emit capture test fails, where then it is passed false
, or when the skipping emit capture test is successfully completed, where then it is passed true
, unless it is set to 0, where then it is ignored.
add-ignore-capture
¶
( b-addr bytes limit xt – )
This word adds an ignoring emit capture test, which fails if more than limit characters are emitted without having matched the specified string fully 0 or more times. xt is an xt which is executed when either the ignoring emit capture test fails, where then it is passed false
, or when the ignoring emit capture test is successfully completed, where then it is passed true
, unless it is set to 0, where then it is ignored.


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Hello!
In today’s post I would like to raise the subject of unit tests in F#. My programs in F# depends on running some single function without any business logic hidden in the depths. Due to this fact that I had no opportunity to write unit tests for these programs, I decided to see how it looks like. So I rewrote tests that wrote once to one of my the students project in C#. Functionality was responsible for generating the correct parameterized query string basin on provided arguments. Tests in C# are written using the XUnit and Shoudly libraries. Therefore, when prescribing them to F# I also want to use XUnit library.
So where to start writing tests in F#?
We start by creating a project (project type library) in F#. Then install using the Package Manager Console, Xnit, in addition add reference to the project that we want to test. At this moment we have everything ready to start writing test in F#. To be able to run tests from Visual Studio, you must install a package called: Xunit.runner.visualstudio
We start by adding the following namespaces:
Then we create a class (type) which will be responsible for testing one class of our code of business logic.
In the body of our class you will want to write tests. Let’s look first how this tests are written in C#
We can see the division of the test for sections Arrange/Act/Assert, as well as the name of the test ( “should_create_empty_quert”) which looks ugly, due to the fact that later in our test Runner it will be displayed with underscores:
Well let’s start by rewriting our test to F#. Prescribed test looks like this:
As we can see, the test has an annotation similar to that from test written in C#, but very cool thing is, we can name it like in C# (with an underscores), or using dual character ‘`’ to name it as a plain text (with spaces between words) without artificial underscores, which will looks like follows in a test runner:
I really like this approach, we don’t have unnecessary underscores in test names just simply the name of the test! This is a definite plus for the tests written in F#. We can also see the body of the test, in which we create QueryBuilder object and call on it CreateQuery method and check whether the returned string is empty. We could reflect on a better separation of Arrange/Act/Assert sections, although I think that they are visible enough to notice what, where and when happens.
At this point, we are ready to fire test(s). Firing is done by pressing the right mouse button on the test project and then click ‘runtests’. To run the tests in a manner similar to the resharper running single tests in C#, we can simply call the function corresponding to the test at the end of the test file, as follows:
You will notice that the format of tests in F#, does not differ quite strongly from format of tests written in C#. Test results in a test runner also looks the same, what shows following images: I think that writing tests in F#, or rewrite them from C# can be a nice way to learn the language as well as a way to gradually introduce it to your own/commercial projects. Of course, the biggest advantage is that you can write functionally, so we have a completely different understanding of the program. Very interesting option is also the fact that we can name tests in words (without unnecessary characters underscore).
All code could be found here. Thank you :)


Before Change
from studio import fs_tracker
// this placeholder will contain our input digits, as flat vectors
img = Input((784,))
// fully-connected layer with 128 units and ReLU activation
x = Dense(128, activation="relu")(img)
x = Dense(128, activation="relu")(x)
// output layer with 10 units and a softmax activation
preds = Dense(10, activation="softmax")(x)
model = Model(img, preds)
lr = 0.01
After Change
//model.add(Conv2D(64, 3, activation="relu"))
//model.add(Flatten())
model.add(Flatten(input_shape=(28,28,1)))
model.add(Dense(128, activation="relu"))
model.add(Dense(128, activation="relu"))


ARDO
Use your VOICE and LISTEN closely to find the ATOMS
A/D - Move
F - Toggle Camera
H - Show/Hide Atoms
Click - Place Guess
RESET


--- title: "v0.34.0 - 2019-02-15" linkTitle: "v0.34.0 - 2019-02-15" weight: -49 ---
# of Merged PRs reviewed
# of words written in merged PRs
# of Review Comments in merged PRs
# of Pull Requests Merged
Lines of code (delta)
Average PR size (added+changed)
# of comments
# of words (excludes authored)
# of issues closed (excludes authored)


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Manual Updates¶
Updated Clinical Breakpoint Tables¶
If the overall table structure of the updated Clinical Breakpoint Tables remains the same, the file may be parsed as described in the section Quickstart. The most probable changes are the addition of new notes, new entries and changes in the interpretive rules:
New notes¶
The most frequent differences between versions of the Clinical Breakpoint Tables are changes in the wording of the notes which provide further information to specific breakpoints.
All notes which have been published within EUCAST Clinical Breakpoint Tables 7.1 to 9.0 have been saved and analysed manually and will be interpreted automatically by the parser. In case of any new or altered notes the user is asked to update this classification either in a guided way directly via the console or by saving all new comments in the Excel file pymicruler/output/missing_notes.xlsx for subsequent manual incorporation.
A. Console Classification
In case the user decides to classify the new notes via the console, he will be asked to answer a set of questions about the content of the note.
1) Relevance
Initially notes which are irrelevant for the AST interpretation, e.g. information about how to perform the AST itself, should be filtered out via the following question:
‘May this information relevant for further breakpoint classification? (y/n)’
No (‘n’) should be chosen only if no information for the interpretation of AST result is given, i.e.
‘Agar dilution is the reference method for fosfomycin. MICs must be determined in the presence of glucose-6-phosphate (25 mg/L in the medium). Follow the manufacturers’ instructions for commercial systems.’
In any other cases, also in case of uncertainty, it is best to classify the information as relevant by choosing (‘y’) An example for a relevant comment would be:
‘Tetracycline has been used to predict doxycycline susceptibility for the treatment of Yersinia enterocolitica infections (tetracycline MIC ≤4 mg/L for wild-type isolates).’
2) Content
If the comment is found to be relevant the next question aims at determining the content of the note. For this purpose the user has to classify the note into one of six types of information or a ‘back-up’ option if it does not match any of the other options.
3) Further information about choices
- a. Interpretive rules
An interpretive rule provides information on how to derive resistance phenotypes across antimicrobial agents via a shared mechanism of action. One example would be:
‘For isolates susceptible to benzylpenicillin, susceptibility can be inferred from benzylpenicillin or ampicillin. ‘
All new rules will have to be added to the rule as described in Section Changes in the interpretive rules
- b. Resistance
Should be chosen if the comment specifically mentions that the organism is resistant to the agent, e.g.
‘Enterococci are intrinsically resistant to aminoglycosides and aminoglycoside monotherapy is ineffective.’
- c. Route of administration
Should be chosen if any route of admnistration is mentioned in the comment text, e.g.
‘The breakpoints are based on epidemiological cut-off values (ECOFFs) and apply to oral treatment of C. difficile infections with vancomycin.’
In a further question the user is then asked to specify the mentioned route of administration.
- Options are:
- iv (=intravenous)
- oral
- topical
- nasal
- d. Indication
Should be chosen if information about the disease that should be treated is given, e.g.
‘Breakpoints relate to meningitis only.’ or ‘Breakpoints for penicillins other than benzylpenicillin relate only to non-meningitis isolates.’
In a further question the user is asked to specify the mentioned indication. In the first example the answer would be ‘meningitis’ as the breakpoint is only applicable to this indication.
If the breakpoint is excepted for a specific indication as in the second example, ‘NOT meningitis’ would be the answer.
- e. Exception
Should be chosen if any species or genus is explicitly excluded from the applicability of the guideline, e.g.
‘Breakpoints do not apply to Plesiomonas shigelloides since aminoglycosides have low intrinsic activity against this species.’
In the follow up question the mentioned species should, if possible, be specified with its full name, i.e. ‘Escherichia coli’ instead of ‘E. coli’
- f. Breakpoint
Should be chosen if the comment contains a whole breakpoint specifying organism, compound and S- and R- concentrations.
‘Azithromycin has been used in the treatment of infections with Salmonella Typhi (MIC ≤16 mg/L for wild type isolates) and Shigella spp.’
In the follow up question the breakpoint should then be specified as follows:
‘Salmonella enterica subsp. enterica serovar Typhi; Azithromycin; 16’
- g. Not encodable
- Should be chosen if none of the other options did match. In this case the information is relevant for the interpretation but it currently cannot be included in the analysis. Future developments of the package may include displaying this additional information when a breakpoint is looked up.
B. Altering the interpretation dictionary manually
If there are more than a hand full of comments and the classification system is clear to the user, editing the responsible dictionary directly might be more efficient. New notes will be saved in the file pymicruler/output/missing_notes.xlsx.
The note text has to be copied into the ‘interpretation_dict_updated.xlsx’ file in the same folder:
| note_text | relevance | interpretation | rule | exception | indication | new_bp | not_encodable | resistance | roa | other_information |
|---|---|---|---|---|---|---|---|---|---|---|
| Agar dilution is the reference method for mecillinam MIC determination. | 0 | |||||||||
| Always test for beta-lactamase. If positive, report resistant to benzylpenicillin, ampicillin and amoxicillin. Tests based on a chromogenic cephalosporin can be used to detect the beta-lactamase. The susceptibility of beta-lactamase negative isolates to ampicillin and amoxicillin can be inferred from benzylpenicillin. | 1 | 1 | rule_10_4; n_gonorrhoeae_penicillin_1 | |||||||
| Azithromycin has been used in the treatment of infections with Salmonella Typhi (MIC ≤16 mg/L for wild type isolates) and Shigella spp. | 1 | Shigella | Salmonella enterica subsp. enterica serovar Typhi; Azithromycin; 16 | |||||||
| Breakpoints for penicillins other than benzylpenicillin relate only to non meningitis isolates. | 1 | NOT meningitis |
Based on this note text the following columns have to be filled:
relevance: has to be filled with ‘1’ if the comment is found to be relevant for AST results interpretation, otherwise with ‘0’. In the latter case all other columns should stay empty. interpretation: Does this comment contain an interpretive rule (Yes: ‘1’, No: ‘’). rule: After implementation of the interpretation rule in the rule based engine, insert the name of the function representing the rule. exception: Put name of any organisms that are excepted from the general rule. Full name is preferred, e.g. ‘Escherichia coli’ instead of ‘E. coli’ indication: Put any disease that is excepted from the rule or the only one that the rule applies to , e.g. ‘NOT meningitis’ or ‘meningitis’ new_bp: If a whole breakpoint is mentioned in the comment enter it in the following format: species; agent; S; R. not_encodable: Other information that cannot be put in any of the other categories. resistance: ‘1’ if the breakpoint explicitly mentions that the bacterium is resistant to the agent. roa: Put the route of administration (‘iv’, ‘oral’, ‘nasal’, ‘topical’) if mentioned.
New entries¶
A. Organisms
To correctly connect rules along the taxonomic lineage, organisms need to be mapped against the NCBI Taxonomy. Already during the parsing process a quality check is performed to ensure all organisms mentioned in the guidelines can be mapped. If any of the entries does not pass this test, the parser will print the following message:
The following organisms could not be matched against the NCBI Taxonomy: <names>.
There are different reasons why organisms cannot be mapped:
1. Phenotypically defined groups
Many antibiotics work only on bacteria which show a specific phenotype, e.g. gram-negative bacteria or coagulase-negative staphylococci. As these groups are not defined by the NCBI Taxonomy they are resolved into their member species.
For new phenotypically defined groups to be interpreted correctly they have to be added to the file pymicruler/resources/phenotypic_groups.xlsx.
Each group is defined on a separate sheet. The header of the first column is the name of the phenotypically defined group as written in the EUCAST Breakpoint Tables and the organisms that show the phenotype are appended to the column.
2. Organism has been reclassified
Especially if older versions of the EUCAST Breakpoint Tables are parsed it is possible that organisms have been reclassified and can thus not be mapped via the name mentioned in the table.
These outdated name can be added to the file pymicruler/resources/species_renaming.xlsx containing a list of terms which are automatically translated during the processing.
The entry that cannot be matched should be pasted in the first column ‘query_term’ and the full names as listed in the current version of the NCBI Taxonomy should be added in the second column ‘replacement’
Species Renaming Document
query_term replacement
- mirabilis
Proteus mirabilis Clostridium difficile Clostridioides difficile Enterobacter aerogenes Klebsiella aerogenes 3. Short forms are used
Finally, abbreviations of species names, i.e. E. coli are commonly used in comments, exceptions and restrictions but cannot be mapped to the NCBI Taxonomy either. They are, however, detected separately and lead to the following error message:
A new organism name was found which could not be translated: <name>.
To ensure proper interpretation the user is asked to add any new abbreviations to the document species_renaming.xlsx as described in Section 2. Organism has been reclassified above.
B. Compounds
Similar to the taxonomy in case of the organism, although certainly less sophisticated, compounds are grouped into compound classes, i.e. penicillins or aminoglycosides and sub-classes such as the aminopenicillins.
In case the parser cannot derive information about the compound class of an antimicrobial compound automatically, e.g. if EUCAST published breakpoints for a new compound, it will display the following error message:
The following compounds were not found in the compound dictionary: <names>
The user is asked to add any new compounds to the respective compound class in the file pymicruler/resources/compound_classes.xlsx. The information which class the compound belongs to can be derived from the EUCAST Table itself.
C. Other information
If there are any keywords written within the breakpoint entry, e.g. information in parentheses which do not match any of the known information the following message will be displayed:
A new type of information was found which could not be categorised <information>.
Based on previous publication these keywords refer to one of three types of information:
- 1. Indication
- If the information which could not be categorizes is a disease, the user is asked to manually append this information to the script to the class Info, list IND in the file utils/util.py.
- 2. Irrelevant information for AST
- If the information is not relevant for further AST result interpretation, the user is asked to manually add this information to the class Info, list IRR_PARR in the file utils/util.py.
3. Organism
If the information about a restriction to a specific organism the user is asked to adapt the pattern called PAR, listed in the script utils/util.py in the class CmpRegex.
Currently all parenthesis entries starting with ‘except’ restrictions to specific organisms which are dealt with in subsequent steps of the analysis. This pattern needs to be extended to match also other cases of information about organisms.
Changes in the interpretive rules¶
While a big share of the interpretive rules are published in an separate document, some of the rules are only mentioned within the note text of the EUCAST Clinical Breakpoint Tables. As these notes may change with every new publication and rules need to be translated manually, the user may have to adapt the rule based engine encoded in pymicruler/bp/RuleBasedEngine.py in case of a new publication.
A. Tracking changes
During the manual classification of new notes the user also defines whether notes do contain any interpretive rules. The library will then treat these notes differently throughout the analysis, tracking all breakpoints they are applicable to. Eventually it is assessed whether the occurrence of these interpretive rules have changed from the last version. After the analysis is completed this log of all changes is saved in pymicruler/output/interpretive_rule_changes.csv. It can be expected to look as follows:
| Note_text | associated_to | type_of_change |
|---|---|---|
| The aztreonam breakpoints for Enterobacteriaceae will detect clinically important resistance mechanisms (including ESBL). | (‘Enterobacterales’, ‘Aztreonam’) | removed all |
| Susceptibility of staphylococci to cephalosporins is inferred from the cefoxitin susceptibility except for cefixime, ceftazidime, ceftazidime-avibactam, ceftibuten and ceftolozane-tazobactam, which do not have breakpoints and should not be used for staphylococcal infections. | (‘Staphylococcus spp.’, ‘Cefaclor’), (‘Staphylococcus spp.’, ‘Cefadroxil’) | removed all |
| Isolates susceptible to linezolid can be reported susceptible to tedizolid. | (‘Staphylococcus spp.’, ‘Tedizolid’) | added |
| Erythromycin can be used to determine susceptibility to azithromycin, clarithromycin and roxithromycin. | (‘Staphylococcus spp.’, ‘Azithromycin’), (‘Staphylococcus spp.’, ‘Clarithromycin’) | added all |
In the first column of the document the texts of the notes with changed occurrences are listed. The second column describes the breakpoints that have been affected and the third column how they changed, i.e. ‘added’ or ‘removed’.
In this context ‘added’ indicates that the application of the interpretive rules needs to be extended for the mentioned species/compound combinations and ‘removed’ means that these breakpoints have to be excepted from the application of the rule. If the keyword ‘all’ is appended as in ‘added_all’ and ‘removed_all’ the rule has to be established or can be removed as a whole.
These changes then have to be implemented in the rule based engine in the script pymicruler/bp/RuleBasedEngine.py manually. Names of the rules that need to be changed can be looked up in the corresponding entry for the note in the document pymicruler/output/interpretation_dict_updated.xlsx. The information is stored in the in the column ‘rule’.
B. Pyknow Rules
To better understand how these rules need to be edited, the parts of such pyknow rules which make up the rule based engine will be explained shortly. For more detailed information regarding the syntax and function of pyknow rules, please consult the documentation of the package.
One example for a EUCAST note describing an interpretive rule is:
Ampicillin susceptible S. saprophyticus are mecA-negative and susceptible to ampicillin, amoxicillin and piperacillin (without or with a beta-lactamase inhibitor).
Translated to a pyknow rule it would look as follows:
@Rule(AND(Organism(name='Staphylococcus saprophyticus'),
Susceptibility(cmp_name='Ampicillin')))
def exec_rule_bp_t_staphylococcus_penicillins_3(self):
cmp_list = ('Ampicillin', 'Amoxicillin', 'Amoxycillin-clavulanic acid',
'Ampicillin-sulbactam', 'Piperacillin', 'Piperacillin-tazobactam')
self.declare(Mec(present='False'))
self.declare_cmp_list(cmp_list, 'S')
Rules generally consist of a pattern matching part and an executing part. In this case the pattern matching part is:
@Rule(AND(Organism(name='Staphylococcus saprophyticus'),
Susceptibility(cmp_name='Ampicillin')))
If the analysed organism is Staphylococcus saprophyticus and it is classified as susceptible to Ampicillin based on the AST results the corresponding function is executed:
def exec_rule_bp_t_staphylococcus_penicillins_3(self):
cmp_list = ('Ampicillin', 'Amoxicillin', 'Amoxycillin-clavulanic acid',
'Ampicillin-sulbactam', 'Piperacillin', 'Piperacillin-tazobactam')
self.declare(Mec(present='False'))
self.declare_cmp_list(cmp_list, 'S')
The function then adds the derived phenotypes (susceptible to Ampicillin-sulbactam, Amoxicillin, Amoxycillin-clavulanic acid, Piperacillin and Piperacillin-tazobactam) to the set of known resistance phenotypes of the sample.
C. Adapting rules
1. Adapt matching condition
If the applicability for the rule should be changed (e.g. extend to Staphylococcus aureus) the matching condition has to be altered to:
@Rule(AND(Organism(name=anyof('Staphylococcus saprophyticus', 'Staphylococcus aureus'),
Susceptibility(cmp_name='Ampicillin')))
If more than one susceptibility have to be present e.g. susceptible to Ampicillin and to Amoxicillin, the matching condition would be updated as follows:
@Rule(AND(Organism(name=anyof('Staphylococcus saprophyticus', 'Staphylococcus aureus'),
AND(Susceptibility(cmp_name='Ampicillin'),
Susceptibility(cmp_name='Amoxicillin'))
2. Adapt executing function
In the executing part of the function all phenotypes that can be derived should be declared. This can be done for each compound individually:
self.declare(Resistance(cmp_name='Benzylpenicillin'))
self.declare(Susceptibility(cmp_name='Ciprofloxacin'))
self.declare(Intermediate(cmp_name='Tetracycline'))
For a whole compound family, e.g. resistance to all aminoglycosides:
self.declare_cmp_family('Aminoglycosides', 'R')
Or, for a list of compounds if all compounds have to be declared for the same phenotype, e.g. susceptible:
cmp_list = ['Benzylpenicillin', 'Ciprofloxacin', 'Tetracycline']
self.declare_cmp_list(cmp_list, 'S)
3. Creating new rules
If completely new interpretive rule are found, new pyknow rule have to be developed by taking the example described in the last section as a reference. The order of the rules does not change the result of he analysis so rules can simply be appended to the class BacterialResistance of the script pymicruler/bp/RuleBasedEngine.py.
The name of the function that is executed can be changed deliberately as it will only be called after matching the corresponding rule. To ensure traceability of the source of the information the suggested naming scheme is the following:
All functions start with the term ‘exec_rule_’ then the EUCAST document is specified. If the rule is derived from the breakpoint table the abbreviation is ‘bp_t_’. Then, for the example mentioned above, the sheet staphylococcus and compound family ‘penicillins’ are added and finally the number of the comment ‘3’ is appended.
Changes in the table layout¶
If the content of the column remains the same but only their position within the table changes the user is asked to update the new column indices(starting with 0) for the block headers ‘MIC’, ‘R >’ and ‘S <=’ the file utils/util.py.
Changes in the headlines¶
As different sheets have slightly varying column structures even within one publication, some headlines are used as anchors for the processing of a new unit of information. If headlines have been renamed, the corresponding regular expression patterns have to be updated in the class Regex in the file utils/util.py
Updated Intrinsic Resistances Publication¶
Currently all information about intrinsic resistances is stored in the file resources/final_ires.csv, which is based on version 3.1 of the EUCAST intrinsic resistance document. As this table was transcribed manually, the user is asked to incorporate any changes in the table directly.
| organism | cmp_name | s_value | r_value | exception | roa | indication | identifier |
|---|---|---|---|---|---|---|---|
| Burkholderia cepacia complex | Amikacin | -1 | 0 | 2_3 | |||
| Stenotrophomonas maltophilia | Amikacin | -1 | 0 | 2_7 | |||
| Streptococcus | Amikacin | -1 | 0 | 4_6 | |||
| Enterococcus faecalis | Amikacin | -1 | 0 | 4_7 |
The name of the pathogen and compound have to be added to the columns ‘organism’ and ‘cmp_name’ respectively and the S- and R- concentrations are per default -1 and 0. The information in the column column ‘indicator’ maps the information back to the original numbering in the publication. Ideally it should be updated whenever the document is updated.
Updated Interpretive Rules Publication¶
In case of an update in the Interpretive Rule publication the user is asked to edit the rule based engine manually. The current naming scheme allows to connect the rule back to their listing in v3.1 of the Expert Rules and Intrinsic Resistances. It might be best to compare the new rules to the then outdated publication to find the changed rule in the most efficient way. For further information on how to adapt old rules or create new rules, see Changes in interpretive rules.


The left figure shows an animation of a wave on a transmission line. The right figure shows the terminal voltages after the simulation has finished.
At the left side is a generator with series resistance Rgen, generating a signal with amplitude 1.0. A sine generator has a configurable period, a pulse generator has configurable period and rise time. At the right side is a load with resistance Rload or capacitance Cload.
Fill in the different parameters, and click the button to start an animation of a wave going back and forth between generator and load.
The simulation time step is exactly the Courant limit. It depends only on parameters l, v, and nx, not on load capacitance or generator period. Increase the number of segments if the simulation time step is too small compared to the time constant of the load, Z0 x Cload, or the generator period and rise time.
| Parameter | Value | Description |
|---|---|---|
| l | {{ lUnit.toFixed(1) }} µH/m | Inductance per unit length |
| c | {{ cUnit.toFixed(1) }} nF/m | Capacitance per unit length |
| Tprop | {{ tProp.toFixed(2) }} ns | Propagation time of transmission line |
| Tstep | {{ tStep.toFixed(0) }} ps | Time step for simulation (Courant limit) |
| Nstep | {{ nStep.toFixed(0) }} | No of steps in simulation |
| ρgen | {{ rhoGen.toFixed(2) }} | Reflection coefficient at generator |
| ρload | {{ rhoLoad.toFixed(2) }} | Reflection coefficient at load |
This simulation uses the finite-difference time-domain method (FDTD). References:
Source code: https://github.com/renaatd/transmission-line


Coconut cream is a great source of vitamins and minerals, also an excellent source of potassium. Studies show that potassium is critical for maintaining the health of every cell in your body.
10$


Time
Principal:
Rate of Interest
Calculate
After {{years}} years your investment will be worth {{ calculated_interest }}


|
Graphitti
A toolkit/software architecture to ease creating high-performance neural network simulators
|
A container of all edge data. More...
#include "AllEdges.h"
Go to the source code of this file.
Classes | |
| class | AllNeuroEdges |
Enumerations | |
| enum | enumClassSynapses { classAllSpikingSynapses , classAllDSSynapses , classAllSTDPSynapses , classAllDynamicSTDPSynapses , undefClassSynapses } |
A container of all edge data.
//
The container holds edge parameters of all edges. Each kind of edge parameter is stored in a 2D array. Each item in the first dimention of the array corresponds with each vertex, and each item in the second dimension of the array corresponds with a edge parameter of each edge of the vertex. Bacause each vertex owns different number of edges, the number of edges for each vertex is stored in a 1D array, edge_counts.
For CUDA implementation, we used another structure, AllEdgesDevice, where edge parameters are stored in 1D arrays instead of 2D arrays, so that device functions can access these data less latency. When copying a edge parameter, P[i][j], from host to device, it is stored in P[i * max_edges_per_vertex + j] in AllEdgesDevice structure.
The latest implementation uses the identical data struture between host and CUDA; that is, edge parameters are stored in a 1D array, so we don't need conversion when copying data between host and device memory.
Definition in file AllNeuroEdges.h.


Performs parallel web crawling and web scraping. It is designed to crawl, parse and store web pages to produce data that can be directly used for analysis application. For details see Khalil and Fakir (2017) <doi:10.1016/j.softx.2017.04.004>.
| Version: | 0.1.9-1 |
| Imports: | httr, xml2, data.table, foreach, doParallel, parallel, selectr, webdriver, callr, jsonlite |
| Published: | 2018-11-11 |
| Author: | Salim Khalil [aut, cre] |
| Maintainer: | Salim Khalil <khalilsalim1 at gmail.com> |
| BugReports: | https://github.com/salimk/Rcrawler/issues |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
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---
layout: post
title: Smoked ham and pea soup
date: 2021-05-19 06:00:34 -0200
background: '/img/recipes/h-p-soup.jpg'
categories: Recipes
---
I don't often cook or eat soup but this recipe changed all of that. I always double up the batch because I honestly can't get enough.
The key to creating this moreish soup is to source good quality stock and smoked pork.
Prep time: 10 minutes
Cook time: 35 minutes
Serving: +-4x 400ml servings
Ingredients
- 50g butter
- 1 small onion
- 2 cloves garlic
- 600g smoked pork rashers/chops
- 2 cups chicken/pork stock
- ¼ tsp salt
- 5 sprigs of mint
- 3 cups frozen peas
- 1 cup cream
- ¼ cup defrosted peas for soup topping
Instructions
- Roughly chop the onion and garlic and pork rashers (keep one rasher aside for the topping).
- Fry the onion in the butter in a large pot for 5-7 minutes on a low/medium heat until soft and caramelised.
- Add the garlic and pork to the pot and fry for another 3 minutes.
- Add the stock, salt and mint and leave to simmer for 20 minutes.
- Cut the leftover pork rasher into lardons. Add to a fryin pan and fry until crispy. Add the ¼ of
peas and warm through.
- Add the peas and cream to the pot and cook for another 5 minutes.
- Add to a blender/food processor and blend.
- Serve the soup with the pork lardons and peas.
Tip
Serve with thick buttered low carb bread or bread of choice.
Reheat the soup on a low heat to avoid the cream splitting.
When making a big batch do not add the cream if you plan on freezing the soup, add the cream when reheating.
Add more stock if you don't like your soup as thick.
Live long and keto-on!