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Blocks, Procs, and Lambdas
So far with Ruby, we have mainly been using blocks when looping through data. This refers to the code that is contained between curly braces or the "do" and "end" keywords. We've seem this used with many things such as .select. Let's say we have two hashes filled with names and genders, like this:
greendale = {"Jeff"=>:male, "Britta"=>:female, "Troy"=>:male, "Abed"=>:male, "Shirley"=>:female, "Annie"=>:female} parksrec = {"Ron"=>:male, "Leslie"=>:female, "April"=>:female, "Andy"=>:male, "Donna"=>:female, "Tom"=>:male}
What if we want to select only girls whose name starts with the letter A? We could use a block with the same code twice, like this:
selected_greendale = greendale.select do |name, gender| gender==:female && name[0]=="A" end selected_parksrec = parksrec.select do |name, gender| gender==:female && name[0]=="A" end
But this gets a little repetitive. One way we could you would be to create a method that we could call a number of times. But there is an even easier way to do this when a method is not necessary needed.
Procs are one way to do it. The above code can be replaced with a proc like this:
a_women = Proc.new {|name, gender| gender==:female && name[0]=="A"} selected_greendale = greendale.select(&a_women) selected_parksrec = parksrec.select(&a_women)
This will give us the name "Annie" for the some_greendale hash and "April" for the some_parksrec hash.
Essentially, Proc.new creates a new object. The code that normally appears in the block of the select method can be added instead when defining the new Proc object. The select method is then called using (&a_women) as the parameter. The & character is being used to denote that an object is being passed in.
Another way of doing this would be with a lamda. These are similar to Procs, as they are objects. The syntax looks almost exactly the same, like this:
a_women = lambda{|name, gender| gender==:female && name[0]=="A"} selected_greendale = greendale.select(&a_women) selected_parksrec = parksrec.select(&a_women)
The only change was replacing "Proc.new" with "lambda" in the creation of a_women. So what is the difference between lambdas and procs? We can see the difference best if we use procs and lambas inside methods. In the example below, we can use .call to call the proc and the lambda immediately after they have been created.
def lambda_method lambda { return "inside the lambda block" }.call return "inside the lambda method" end def proc_method Proc.new { return "inside the proc block" }.call return "inside the proc method" end p lambda_method p proc_method
The output of the code above is:
"inside the lambda method" "inside the proc block"
When a lambda has a return, it passes control back to the calling method. But when a proc has a return, it returns and then breaks, without executing the rest of the method. In short, blocks, procs, and lambdas all work for iterating through data, but procs and lambdas can make a block reusable without having to define it in a method.


Mastermind is a strategy game of Codemaker vs. Codebreaker.
The Codemaker starts by choosing a pattern of four code pegs;
duplicates and blanks are allowed depending on game settings, so the
player could even choose four code pegs of the same color or four
blanks. Then, the Codebraker should try to use logic and
deduction to guess the pattern, in both order and color.
Each guess is made by placing a column of code pegs on the decoding
board. Once the guess is in place, the Codemaker provides
feedback by placing from zero to four marbles in the small holes of the
column with the guess. A red marble is placed for each code peg from the
guess which is correct in both color and position; and a white marble is
placed for each code peg of the right color placed in the wrong
position.
In the single-player mode you will play the Codebreaker, and the
MasterBot will play the Codemaker. At each game you earn points
depending on the number of guesses you make before braking the code. You
can win up to 10 points, but if after ten guesses you fail to brake the
code then you lose 5 points.


Last updated May 18, 2020– Pulled automatically from my Google Scholar profile. See this post for how it works.
| T Hackl, R Martin, K Barenhoff, S Duponchel, D Heider, MG Fischer (2020) Four high-quality draft genome assemblies of the marine heterotrophic nanoflagellate Cafeteria roenbergensis, Scientific data, 7 (1), 1-9 |
| E Thomas, T Hackl, R Laurenceau, MJ Ankenbrand, C Bliem, Z Cariani et al. (2020) Role of Integrative Elements in Gene Transfer and Niche Adaptation in Prochlorococcus, Ocean Sciences Meeting, 2020 |
| G Palvalfi, T Hackl, N Terhoeven, TF Shibata, T Nishiyama et al. (2020) Genomes of the Venus Flytrap and Close Relatives Unveil the Roots of Plant Carnivory, , |
| PM Berube, SJ Biller, T Hackl, SL Hogle, BM Satinsky, JW Becker et al. (2018) Single cell genomes of Prochlorococcus, Synechococcus, and sympatric microbes from diverse marine environments, Scientific data, 5, 180154 |
| SJ Biller, PM Berube, K Dooley, M Williams, BM Satinsky, T Hackl et al. (2018) Marine microbial metagenomes sampled across space and time, Scientific data, 5, 180176 |
| MJ Ankenbrand, S Pfaff, N Terhoeven, M Qureischi, M Gündel, CL Weiß et al. (2018) chloroExtractor: extraction and assembly of the chloroplast genome from whole genome shotgun data, The Journal of Open Source Software, 3 (21), 464 |
| JH Grau, T Hackl, KP Koepfli, M Hofreiter (2018) Improving draft genome contiguity with reference-derived in silico mate-pair libraries, GigaScience, 7 (5), giy029 |
| N Terhoeven, J Schultz, T Hackl (2018) reper: Genome-wide identification, classification and quantification of repetitive elements without an assembled genome, Journal of Open Source Software, |
| BM Slaby, T Hackl, H Horn, K Bayer, U Hentschel (2017) Metagenomic binning of a marine sponge microbiome reveals unity in defense but metabolic specialization, The ISME journal, 11 (11), 2465-2478 |
| MJ Ankenbrand, S Hohlfeld, T Hackl, F Förster (2017) AliTV—interactive visualization of whole genome comparisons, PeerJ Computer Science, 3, e116 |
| MG Fischer, T Hackl (2016) Host genome integration and giant virus-induced reactivation of the virophage mavirus, Nature, 540 (7632), 288-291 |
| T Hackl (2016) A draft genome for the Venus flytrap, Dionaea muscipula: Evaluation of assembly strategies for a complex Genome–Development of novel approaches and bioinformatics solutions, , |
| T Hackl, R Hedrich, J Schultz, F Förster (2014) proovread : large-scale high-accuracy PacBio correction through iterative short read consensus, Bioinformatics, 30 (21), 3004-3011 |
| C Koetschan, T Hackl, T Müller, M Wolf, F Förster, J Schultz (2012) ITS2 database IV: interactive taxon sampling for internal transcribed spacer 2 based phylogenies, Molecular Phylogenetics and Evolution, 63 (3), 585-588 |
| B Merget, C Koetschan, T Hackl, F Förster, T Dandekar, T Müller et al. (2012) The ITS2 database, JoVE (Journal of Visualized Experiments), e, e3806 |


Twitter: UK PM’s party misled public
LONDON : Twitter said yesterday that British Prime Minister Boris Johnson's Conservative Party misled the public by changing the name of one of its Twitter accounts to make it look like a fact-checking service during a televised election debate.
The Conservative Campaign Headquarters press office account, followed by nearly 76,000 users, changed its name to "factcheckUK" from its usual "CCHQPress" and switched its avatar to a white tick against a purple background.
It made the change while Mr Johnson was debating Labour Party leader Jeremy Corbyn on live television.
The rebranded account tweeted graphics supporting statements from Mr Johnson as "True" and criticised others from Mr Corbyn.
"Twitter is committed to facilitating healthy debate throughout the UK general election," a Twitter spokesman said.
"We have global rules in place that prohibit behaviour that can mislead people, including those with verified accounts. Any further attempts to mislead people by editing verified profile information - in a manner seen during the UK Election Debate - will result in decisive corrective action."
Full Fact, a genuine fact-checking charity, also criticised the Conservative tactic.
"It is inappropriate and misleading for the Conservative press office to rename their Twitter account 'factcheckUK' during this debate. Please do not mistake it for an independent fact checking service," it said.
Labour said it was a "scam" that showed the Conservatives could not be trusted in government. However, Conservative Party chairman James Cleverly defended the move.
"We made it absolutely clear it is a Conservative Party website... checking the claims" of Mr Corbyn, he said.
The account description during the debate was "Fact Checking Labour from CCHQ". After the debate finished the account reverted to its regular Conservative Party branding.
Prior to the controversy, Twitter had pledged to make it easier to report misleading information about the voting process in Britain's Dec 12 election.
It also said last month it would stop all political advertising, making the British election one of the first major tests for the new policy. - REUTERS


{% extends "base.html" %} {%block about%}
About: I am a recent graduate from The City College of New York, with a Bachelor of Engineering in Computer Engineering. Experience in web and software development.
I am proficent in C++ and python is my second strongest language.
Software development is my passion. Is a job in which I see myself working my entire life because of the constant changes in technology. This means I can expect to always be learning and new challenges
Feel free to check out some of my projects that i have work in the past. You're also more than welcome to contact me via email or phone below!
Languages:
Technologies:
IDE:
Building and maintaining an internal web based application. Used for requesting document translations and administrators to manage the translated documents.
Exposure to enterprise application development, testing, deployment and support while being provided guidance on industry best practices.
Work with users, administrators, and designers to improve the web based application and a SharePoint website.
Made five visualizing applications with JavaScript (P5JS).
The applications were aim for middle school students to understand math concepts
Taught a STEM curriculum to a middle school class.
Inspired and motivated students to pursued STEM careers. As well mentor and tutored them.


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female
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Россия
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Ryazan
Moscow
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Web Master
Database Administrator
Computer aided-disiner
Economic Planning
Management acoounting
Budgeting and planning
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About me
I am an internationally trained Industrial Engineer with knowledge in Mechanical and Electrical Engineering and over 3 years of experience in manufacturing.
Always seeking opportunities to diversify my education, I received part of my training in Spain and Chile and moved to the Bay Area 2 years ago.
Since programming has always fascinated me, I completed a Full Stack Coding Program at UC Berkeley to develop my coding skills and become the best developer.
These skills include JS, HTML, CSS, Node, React, MySQL, MongoJS, ReactJS and Python among others.


April 2nd, 2020
Memes are great and in many ways, define who we are. Couple of months ago, I found one of the best meme goldmines. Programmer Ryan Gosling I fell in love with it instantly. I love Ryan since the first time I saw him in Drive and I who doesn’t enjoy a bit of r/ProgrammerHumor? Unfortunately, the stream of content discontinued since Feb 14th, 2014 (what a coincidence). Heart breaking. My good friend, Malena and I tried to make few of them and post here. If you wish to submit some for our own amusements and yours, feel free to send it to c t u AT k u DOT e d u ◼


Work is ongoing to provide more features for use. Suggestions, requests, or bugs can be submitted at our Github page


November 05, 1955
This is a "Facebook" styled Card. The header is created from a Thumbnail List item, the content is from a card-body consisting of an image and paragraph text. The footer consists of tabs, icons aligned left, within the card-footer.
November 05, 1955
This is a "Facebook" styled Card. The header is created from a Thumbnail List item, the content is from a card-body consisting of an image and paragraph text. The footer consists of tabs, icons aligned left, within the card-footer.
November 05, 1955
This is a "Facebook" styled Card. The header is created from a Thumbnail List item, the content is from a card-body consisting of an image and paragraph text. The footer consists of tabs, icons aligned left, within the card-footer.


approdictio
— Approximate
Dictionaries
A Java Class Library
Approdictio provides implementations of dictionaries that allow approximate lookup. When looking up a word, all words are returned that are approximately equal to the word given. The definition of approximately equal depends on the metric provided to define the distance between two words. An implementation of the Levensthein Metric with customizable edit costs is part of the package.
The slightly tricky part of approximate dictionary lookup is to find all similar words without explicit comparison of the word to look up with all words of the dictionary. Two implementations are provided that are reasonably fast:
- BKTree
- provides an implementation of a Burkhard-KellerTree. In principle, this implementation can even be used for approximate lookup of other objects than strings, as long as a metric is provided.
- NgramDict
- indexes all words of the dictionary by their n-grams. During lookup, candidate terms are retrieved with a crude n-gram similarity. Only the candidates are compared according to the metric provided. This seems generally to be faster than the BKTree, but has the disadvantage that even the Levensthein metric is not 100% compatible with the n-gram lookup. Consequently some similar terms may be missed.


What's the difference between arrays and hashes?
January 8, 2015
Hello!
Today's blog is comparing and contrasting Arrays and Hashes. They are similar in many ways, but have structural and functional differences to distinguish the two. Let's start of with arrays.
Ruby-Doc describes arrays as "ordered, integer-indexed collections of any object. Array indexing starts at 0..." Okay, so an Array is basically a collection of strings, integers, symbols, etc, or a combination of any of these. Each item, aka element, in the array has an index which dictates its position in the array and also starts from 0. The great thing about arrays is that I can call any element in the array if I know it's position. To do that, we'll do:
puts array[#]
The # is the index of the element. The index increases sequentially, so from 0, 1, 2, 3....the last element's position. So, array's are pretty straight-forward.
Hashes, on the other hand, in Ruby-Doc, is described as "a *dictionary-like collection* of unique keys and their values... they are similar to Arrays, but where an Array uses integers as its index, a Hash allows you to use any object type."
This is a pretty apt definition of what a Hash is. Similar to an Array's indexing, which by the way is only numerical (0-#), Hashes have keys. Keys can be anything-- a string, a number, a symbol, and even an array-- and they must always have a value (hence, key-value pair)! The benefit of Hash's keys is that they don't have to be numerical and can, therefore, have a name that reflects that its values are.
hash = { :first_name => "Angel", :last_name => "Baek"}
Similar to an Array, to call the value "Angel", do:
puts hash[:first_name]
You can see that an Array's index is equivalent to a Hash's key. Just to reiterate, a key must always have a value! You can set to nil or another specified value but just remember a key needs its pair.
To ponder the uses, I'll compare Arrays and Hashes to the shelves of a refrigerator. Remember how an Array is just a collection of stuff? It can even contain arrays as its elements. So an array is like the fruit basket container at the base of the fridge-- you can have different, but ordered, compartments in there of fruits and veggies; however, if you start to include containers containing other containers (nested arrays) inside that fruit basket compartment, things might get hairy and difficult to sort.
A Hash's keys are like the different shelves/levels of the refrigerator:
1. Each shelf is unique == keys can have any object as their names
2. There can be one item or many different items per shelf == keys can store a value that is a single object
{:first_name => "Angel"}
3. or be an array containing multiple elements
{:girl_names=> ["Jessica", "Kimberly", "Eloise"]}
4. ...that can include sub-shelves/containers
{:names=>
[{:girl_names=> ["Jessica", "Kimberly", "Eloise"]},
{:boy_names =>["Jacob", "Timothy", "Brandon"]}]}
Unlike the fruit basket analogy, containers separating different foods on the same level in fridge isn't very complicated or difficult to manage.
Ultimately, it comes down to data storage and preference and legibility. Hashes definitely trumps Arrays in how much they can store.
I hope that cleared some ambiguity between the two!


In Sec. 6.1, we introduced the local safety factor (ψ,𝜃). Equation (156) indicates that if the Jacobian is chosen to be of the particular form 𝒥 = h(ψ)R2, where h(ψ) is an arbitrary function of ψ, then the local safety factor is independent of 𝜃, i.e., magnetic line is straight in (𝜃,ϕ) plane. On the other hand, if we want to make ﬁeld line straight in (𝜃,ϕ) plane, the Jacobian must be chosen to be of the speciﬁc form 𝒥 = h(ψ)R2. We note that, as mentioned in Sec. 6.2, the poloidal angle is fully determined by the choice of the Jacobian. The speciﬁc choice of 𝒥 = α(ψ)R2 is usually too restrictive for achieve a desired poloidal resolution (for example, the equal-arc poloidal angle can not be achieved by this choice of Jacobian). Is there any way that we can make the ﬁeld line straight in a coordinate system at the same time ensure that the Jacobian can be freely adjusted to obtain desired poloidal angle? The answer is yes. The obvious way to achieve this is to deﬁne a new toroidal angle ζ that generalizes the usual toroidal angle ϕ. Deﬁne a new toroidal angle ζ by[10]
|
| (249) |
where δ = δ(ψ,𝜃) is a unknown function to be determined by the constraint of ﬁeld line being straight in (𝜃,ζ) plane. Using Eq. (157), the new local safety factor in (ψ,𝜃,ζ) coordinates is written as
To make the new local safety factor be independent of 𝜃, the right-hand side of Eq. (250) should be independent of 𝜃, i.e.,|
| (251) |
where c(ψ) can be an arbitrary function of ψ. The most convenient choice for c(ψ) is c(ψ) = q, i.e., making the new local safety factor be equal to the original global safety factor, i.e., new = q. In this case, equation (251) is written as
|
| (252) |
which, on a magnetic surface labed by ψ, can be integrated over 𝜃 to give
|
| (253) |
where 𝜃ref is an starting poloidal angle arbitrarily chosen for the integration, c2(ψ,𝜃ref) is the constant of integration. Since there is no other requirements for the ψ dependence of δ, the constant of integration, c2(ψ,𝜃ref), can be chosen to be zero. Then the above equations is written
|
| (254) |
Substituting the above expression into the deﬁnition of ζ (Eq. 249), we obtain
|
| (255) |
which is the formula for calculating the general toroidal angle. If 𝜃 is a straight-ﬁeld line poloidal angle, then ζ in Eq. (255) reduces to the usual toroidal angle ϕ.
In summary, magnetic ﬁeld line is straight in (𝜃,ζ) plane with slope being q if ζ is deﬁned by Eq. (255). In this method, we make the ﬁeld line straight by deﬁning a new toroidal angle, instead of requiring the Jacobian to take particular forms. Thus, the freedom of choosing the form of the Jacobian is still available to be used later to choose a good poloidal angle coordinate. Note that the Jacobian of the new coordinates (ψ,𝜃,ζ) is equal to that of (ψ,𝜃,ϕ). [Proof:
| = |
[In numerical implementation, the term ∫ 𝜃ref𝜃d𝜃 appearing in δ is computed by using
For later use, from Eq. (254), we obtain
This formula is used in GTAW code, where the derivative ∂(g∕Ψ′)∕∂ψ is calculated numerically by using the central diﬀerence scheme.]


--- layout: default title: Archive 2015 permalink: /archive2015/ image: schedule.jpg modal: all --- {% include top-section.html %} {% include speakers-list-2015.html %} "Great work from the organizers in setting up SwanseaCon 2015 to run so smoothly" {% include partners-2015.html %} View our photos on Flickr from SwanseaCon 2015


Deleted Pod Total: 0
Chaos Jobs Total: 0
Not Running Pods: 0
Current: 0 sec
Latest: 0 sec
h => Activate or deactivate help
s => Activate or deactivate shuffle for aliens
n => Change namespace
p => Activate or deactivate chaos engineering against pods
c => Activate or deactivate chaos engineering against nodes


A set of scripts, hacks and utilities used at Square to Get Sh*t Done ™
Please visit our GitHib organization page, where you will have access to various source code repositories.
Fork. Make changes. Issue pull request. Quite simple, really.
Most repositories should have it's issue tracker enabled, as a way to report bugs or request for features.
You'll be able to speak to most contributors in this repo on IRC or a mailing list. Details will be published here shortly.


Carson's Learning Journal
Bringing my thoughts on stuff, junk, and tech.
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There is no specific format that the examiners recommend for addressing the Analyze an Argument task. However, with only 30 minutes to plan and write the essay, you would be advised to work out an approach that suits you. The following format should point you in the right direction.
Write an introduction explaining in your own words what the argument claims.
End your paragraph with a statement such as:
However, this conclusion seems unwarranted, or
However, the information provided does not justify this conclusion or
This conclusion is not well supported / fails to convince/ is flawed etc.
The exact wording will depend on the instructions you are given. For example, if you have been asked to focus on the assumptions that the argument makes, you might use words along the lines of: contains a number of unsupported assumptions that cast doubt on the authorï¿½s conclusion.
Write 2, 3 or 4 paragraphs to deal with the line of argument according to the specific instructions given.
For example, in the case in which you are asked to focus on alternative explanations, you can explain what alternative reasons or other causes might need to be considered. In the case in which you are asked what questions need to be addressed to evaluate the argument, you might find yourself (depending on the actual argument in the question) focusing on misleading statistics and figures, the source of the information, or dubious comparisons that are made.
No one formula fits all the topics in the pool, but you can easily work out the way to address the body of the essay once you have tried a few of the topics for yourself.
You should also read the sample essays provided in the Official Guide to the GRE and on the GRE website. DO NOT be tempted to copy the wording of these sample essays in your own response. If you are judged to have plagiarised any part of your essay you risk having your score discounted.
The final paragraph is the place to cover what else you would need to know before you are able to decide whether the conclusion is actually valid. This ï¿½what elseï¿½ paragraph obviates the necessity for a formal conclusion. Useful statements are along the lines of:
In order to decide whether, indeed, ABC is actually the case, it would be useful to have access to XYZ.
XYZ might include one or other of: Expert opinion (e.g. business consultant) / statistics / surveys / research data etc depending on the focus of the essay.
It is useful to end the essay on a note of doubt. Suggest that the argument might have a valid point, but that more information would be needed to come to a specific conclusion.


What happens in the workshop?
Through fun, interactive challenges, participants will learn the full rules of chess, including piece movement and capture, castling, en passant, stalemate, board setup, coordinates and chess notation, basic checkmates, chess etiquette, and sportsmanship!
Thanks to small class sizes, we can tailor activities to each individual's pace of learning. By the end of the workshop, folks will be able to play and enjoy a complete game of chess in a competitive tournament setting, with an understanding of how to improve their game.


Gateway
BOT
13-Jan-19 11:34 PM
[dscrdvrsc] <OhGodAGuardian> If the successful exploitation of a coin resulting in massive monetary damage from a coin doesn't completely destroy people's faith in it...
[dscrdvrsc] <OhGodAGuardian> ... well, I don't think we need to worry about solving such complex problems as decentralized finance, simply because it's clear humanity is too damned stupid to continue to survive for much longer.
[dscrdvrsc] <Godballz> Well.. It is a shame people don't value decentralization as much as they probably should, especially since it's what got us here to begin with but these aren't the same people here. Those ones who made it all happen aren't the ones who will abandon a project simply over what a chart says or support a centralized operation without even knowing it
[dscrdvrsc] <OhGodAGuardian> No, no - that's not the issue... it's so, so much worse.
[dscrdvrsc] <Godballz> But I do also believe that they will be the first to scatter when things go wrong, leaving more of the true believers to refine what's left
[dscrdvrsc] <OhGodAGuardian> They just watched a system they're trusting with their finances just get publically defrauded to the tune of more money than they can hope to ever make... and then continue to use it, thinking it won't ever happen to them.
[dscrdvrsc] <Godballz> That is foolish
[dscrdvrsc] <OhGodAGuardian> That's insanity.
[dscrdvrsc] <Godballz> I can't speak for them but it is true that this field has attracted it's fair share of unsavory folks since money became a priority over personal freedom
[dscrdvrsc] <Godballz> That doesn't mean it will all fall apart- the benefit of a decentralized process
[dscrdvrsc] <OhGodAGuardian> I like this fact. I want the people who steal from others for a living trying to break it. If they succeed, we ought to know.
[dscrdvrsc] <Godballz> There should be more people working toward a common mutually beneficial goal than there would be against it
[dscrdvrsc] <OhGodAGuardian> That's the beauty of this system... people don't have to get along nor collaborate to still be working toward the safety and security of the same system... just because they want to make money off doing so.
[dscrdvrsc] <Godballz> If they succeed in a sense they have rewarded themselves for exploiting a flaw that shouldn't have been there. It's unfortunate that people's money have to be casualty but at the same time shouldn't they know the risks going in and the experimental nature
[dscrdvrsc] <Godballz> I guess I'm playing devil's advocate in a sense in that I wouldnt hope for a worst case but it should always be accounted for
[dscrdvrsc] <Godballz> It doesn't help that people get dumped on for even trying to discuss flaws in the current system


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I have booked Air BnB castle in the city for 2 days and build the concept that fit the character, it was tired but worth it the result are significantly better.
After many shooting days I started to invest more in my background and concept which play a huge role in a perfect image.
All of the work motivate me every day, supporting my own desire of art that I love and evenbetter I can show it out by photos


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MatrixEngine
|
IPASS Project Hoge School Utrecht HBO ICT-TI
Library for the L3G4200D gryoscope and the MH7219 Led Matrix including a Game making toolset.
By Peter Schenkels 2019
Interface and game making toolset for the MH7219 Led Matrix chip and other Hwlib Window peripherals. This toolset includes a physics engine, render engine, collision detection, camera movement and more. Connect multiple MH7219 chips via SPI on the Arduino. The toolset can also be used to run games inside the terminal. (linux only)
Hwlib is needed for this project, consult this page for more information: https://github.com/wovo/installers
This library comes with a demo file that is also connected to Sogyro lib. But it can also be run without gyroscope (if you remove the gyroscope you wont be able to move the character).
See the Doxygen documentation for more information on how to use this library.
optional: Hwlib Window Peripherals such as an oled.


We're sorry but my-project doesn't work properly without JavaScript enabled. Please enable it to continue.


Affinity purification-mass spectrometry network analysis
This protocol describes how to use data from an affinity purification-mass spectrometry experiment to to generate relevant interaction networks, enriching the networks with information from public resources, analyzing the networks and creating effective visualizations.
Background
The data used for this protocol represents interactions between human and HIV proteins by Jäger et al. In this quantitative AP-MS experiment, a relatively small number of bait proteins are used to pull down a larger set of prey proteins.
Note that this tutorial does not describe how to pre-process the raw AP-MS data, the data used here is already scored and filtered.
Import Network and Data
- Load the network via File → Import → Network from File...., and select the Example data.
- In the Import Network from Table dialog, select the Bait column as Source Node and Prey column as Target Node.
- Designate the AP-MS Score as an Edge Attribute.
- For all other data values, designate them as Target Node Attribute, by clicking in the column header and selecting the red spreadsheet icon.
- Click OK to import the network.
Note: In cases where a Prey node interacts with more than one Bait node, it will have multiple rows of values for the same attribute (for example HEKScore). During import, the last value imported will overwrite prior values and visualizations using this attribute thus only shows the last value.
Import Network and Data
The imported network consists of multiple smaller subnetworks, each representing a bait node and its associated prey nodes:
Augmenting Network with Existing Protein-protein Interaction Data
We are going to use existing protein-protein interaction data to enrich the network, using the STRING database with the human protein nodes as input.
- In the Node Table, sort the table for your network by the Uniprot column by clicking on the header twice. This will sort for the human protein nodes, which are the ones with entries for Uniprot.
- Select all the relevant entries in the Uniprot column by selecting the top item, then scroll down and hold down Shift and then selecting the last entry. Click Ctrl+C to copy.
- Paste the list of gene symbols into the Network Search at the top of the Control Panel. Select String Protein from the drop-down.
- Click the options icon and set the Confidence (score) cutoff to 0.999. Keep the default, 0, for Maximum additional interactors.
- Click the search icon to search. The resulting network may load automatically or you will see an intermediate dialog to confirm anbiguous query matches (confirm the cutoff and maximum values, then click Import).
Augmenting network with existing protein-protein interaction data
The resulting network contains known interactions between the human proteins, with an evidence score of 0.999 or greater.
Merge Networks
To incorprate the new information into our AP-MS network, we need merge the STRING and AP-MS networks. We can use the Uniprot IDs available in both networks as the mathcing attribute.
- Go to Tools → Merge → Networks...
- In the Available Networks list, select both networks and click the right arrow to add then to the Networks to Merge list.
- Expand the Advanced Options interface.
- In the Matching Columns field, select Uniprot for the AP-MS network and query term for the string network.
- In the How to merge columns section, find the entry for display name for the string network. Click on the column for the ap-ms network for that same row and select name from the drop-down.
Merge Networks
When the network first loads, it will have the STRING style applied. However, because the HIV nodes are not from STRING, they will be white and difficult to see. The layout also makes the network hard to interpret.
- Switch the style to default to make all nodes visible.
- Under Layout → Settings..., select the Prefuse Force Directed Layout and change the settings as follows:
- Set Default Spring Coefficient to 5E-5
- Set Default Spring Length to 100
- Set Default Node Mass to 3.
- Click Apply to apply the layout.
Network Visualization
The default style is not so informative in this case, so let's change the style of the network a bit.
- In the Style tab of the Control Panel, click the Options menu and select Create New Style.... Name the style AP-MS.
- Change the default node shape to ellipse and check Lock node width and height.
- Set the node Size to 50.
- Set the default node Fill Color to light grey.
- Create a passthrough mapping for the node Label using the display name.
Network Visualization
The network should now look like this:
Enrichment Analysis
Now that we have a merged network, we can do enrichment analysis on it, using the STRING enrichment tool.
- Select Apps → STRING → Retrieve functional enrichment. Use the default value (0.05) for Enrichment FDR value cutoff.
- When the enrichment analysis is complete, a new tab titled STRING Enrichment will open in the Table Panel.
Visualizing Results
We can create a visualization based on the Jurkat Score, and the different interaction types:
- In the Style tab of the Control Panel, copy the current style to create a new style named AP-MS Jurkat Score.
- Remove the STRING enrichment chart by clicking the Reset charts icon at the top of the STRING Enrichment tab.
- Create a continuous mapping for the node Fill Color using the JurkatScore column. Select a purple gradient from the ColorBrewer palettes.
- Switch the deafult node Fill Color to yellow to highlight the HIV proteins.
- In the Edge tab, create a continuous mapping for edge Width using the AP-MS Score column.
- Set the width values to a range from 1 to 5.
- Create a Discrete mapping for edge Stroke Color using the interaction column. Choose a green color for all interactions of type interacts with. This will color all the interactions in the original AP-MS dataset.
Visualizing Results
We now have a visualization of the network highlighting the ap-ms experimental data (green edges), as well as additional known interactions (grey edges), with node color indicating the Jurkat Score from the data:
Visualizing Results
We could create a similar kind of style for the HEK score, but that only allows for viewing each style seperately. Instead, we can create a combined style, using the enhancedGraphics app.
For this, we will need a new column defining a new attribute that will be used for mapping to the Custom Graphics property via the enhancedGraphics app. This new attribute has to be in the form of mappings recognized by the enhancedGraphics app.
- In the Table Panel, click the button for Create New Column, then select New Single Column → String and name it CombinedScore.
- In the first cell of the CombinedScore column, enter the mapping below and click enter.
piechart: showlabels="false" range="0,1" arcstart="90" valuelist=".5,.5" colorlist="up:blue,zero:white,down:white;up:purple,zero:white,down:white" attributelist="HEKScore,JurkatScore" labellist="HEKScore,JurkatScore"
- Your new entry may disappear to the bottom of the column; just click on the column header once or twice to re-sort. Right-click on the new entry and select Apply to entire column. This will fill the column with the same mapping.
Visualizing Results
- In the Style panel, select Copy Style... and name your new style AP-MS CombinedScore.
- Create a passthrough mapping for Image/Chart 1 using the new CombinedScore attribute.
The network is now showing the Jurkat score (purple gradient on the right-hand side of the nodes) and HEK scores (blue gradient on the left). AP-MS experiment interactions are shown as green lines in which the thickness of the line reflects the average score, and interactions from STRING are shown as gray lines.
Visualizing Results
Zooming in on the network, specifically the POL and PR HIV nodes, we can see a set of interactions found in the original paper, which represent binding of POL and PR with the translational initiation complex EIF3.
Note: Remember that when we imported multiple values for a single node attribute, such as the HEKScore for human Prey nodes interacting with more than one HIV Bait node, the last value imported overwrote prior values and the visualization thus only shows the last value. For EIF3A, which interacts with both PR and POL, only the data relevant to the PR interaction is maintained in the Node Table because our source data was sorted alphabetically by Bait.
Exporting Networks
Cytoscape provides a number of ways to save results and visualizations:
- As a session: File → Save Session, File → Save Session As...
- As an image: File → Export → Network to Image...
- To the web: File → Export → Network to Web Page... (Example)
- To a public repository: File → Export → Network to NDEx
- As a graph format file: File → Export → Network to File.
Formats:
- CX JSON / CX2 JSON
- Cytoscape.js JSON
- GraphML
- PSI-MI
- XGMML
- SIF


To support Applications in which the Zettelkasten is superior to other approaches we added the following feature during for the different phases of your thoughts lifecycle:
- Collecting notes
- Different inboxes allow you to Capture your thoughts whereever you are.
- Writing an presenting notes
- Thought Tank uses a Predefined structure for capturing a thought , this also allows for adequate presentation in different situations and
- also allows you to Quickly get to the core of a thought.
- Connecting notes
- Improving notes
- More efficiency and productivity through process support
- Foster a flow with respect to editing, as Manage the flow of notes for continuous curration of the Zettelkasten. So you can think of it as a Process support in place of self-discipline ;).
While tha above has been Thought Tank‘s support on the Route of information from the text read into the zettelkasten, you also want to find your notes later.
- Finding notes
- Separation of independent logical units using topics and orthogonal structuring with Tag
- While a single thought should be atomic to ensure the Unambiguousness of links, you can have entry/index points for Documentation of larger, coherent thoughts: the entrypoints. This note is an entrypoint too.


You're probably wondering how you got here or why should stay here. Well, to be frank, this blog is a little look into my happy place. To be even more frank, this blog is a look at me trying to live my best life, most of the time at least. I'm a 21-year-old girl who loves living my life vicariously through the lens of instagram filters. I love creating content as well as keeping up with the Kardashians, fashion, pop culture, social media and finding content that inspires me. I hope you'll thumb through this blog, keeping in mind that it is purely a vision board of sorts, and a way for me to share what inspires me with you. Happy blogging!
xx-Nina
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Vantiq Class Reference
| Inherits from | NSObject |
|---|---|
| Declared in | Vantiq.h Vantiq.m |
Overview
The Vantiq class declares the interface for authentication and subsequent interaction with a Vantiq server.
accessToken
Access token to be used for direct Vantiq server operations.
@property (readwrite, nonatomic) NSString *accessToken
Discussion
Access token to be used for direct Vantiq server operations.
Declared In
Vantiq.h
username
User name of the last authenticated user
@property (readwrite, nonatomic) NSString *username
Discussion
User name of the last authenticated user
Declared In
Vantiq.h
namespace
Namespace of the last authenticated user
@property (readonly, nonatomic) NSString *namespace
Discussion
Namespace of the last authenticated user
Declared In
Vantiq.h
serverId
Server ID of the last authenticated user
@property (readonly, nonatomic) NSString *serverId
Discussion
Server ID of the last authenticated user
Declared In
Vantiq.h
appUUID
Unique ID for this installation of the device running the Vantiq SDK
@property (readonly, nonatomic) NSString *appUUID
Discussion
Unique ID for this installation of the device running the Vantiq SDK
Declared In
Vantiq.h
– initWithServer:apiVersion:
Constructor for use with all other Vantiq server operations.
- (id)initWithServer:(NSString *)server apiVersion:(unsigned long)version
Parameters
server |
Server URL, e.g. https://dev.vantiq.com |
|---|---|
version |
Version of the Vantiq API to use |
Discussion
Constructor for use with all other Vantiq server operations.
Declared In
Vantiq.h
– initWithServer:
Constructor for use with all other Vantiq server operations. This constructor will use the most recent version of the Vantiq API. If an earlier version of the API is required, use the initWithServer:server apiVersion:version contructor.
- (id)initWithServer:(NSString *)server
Parameters
server |
Server URL, e.g. https://dev.vantiq.com |
|---|
Discussion
Constructor for use with all other Vantiq server operations. This constructor will use the most recent version of the Vantiq API. If an earlier version of the API is required, use the initWithServer:server apiVersion:version contructor.
See Also
Declared In
Vantiq.h
– verify:username:completionHandler:
The verify method attempts to validate the given Vantiq server token. If the token has expired or a token has never been issued, the error parameter in the callback will be non-null and the app should then call authenticate (see below) in order to reauthenticate the user. The data parameter returned in the completionHandler is an array of user records for the namespace associated with the access token.
- (void)verify:(NSString *)accessToken username:(NSString *)username completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
accessToken |
The access token to verify |
|---|---|
username |
The username associated with the token |
handler |
The handler block to execute. |
Discussion
The verify method attempts to validate the given Vantiq server token. If the token has expired or a token has never been issued, the error parameter in the callback will be non-null and the app should then call authenticate (see below) in order to reauthenticate the user. The data parameter returned in the completionHandler is an array of user records for the namespace associated with the access token.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
Declared In
Vantiq.h
– authenticate:password:completionHandler:
The authenticate method connects to the Vantiq server with the given authentication credentials used to authorize the user. The username and password credentials are not stored.
- (void)authenticate:(NSString *)username password:(NSString *)password completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
username |
The username to provide access to the Vantiq server |
|---|---|
password |
The password associated with the username |
handler |
The handler block to execute. |
Discussion
The authenticate method connects to the Vantiq server with the given authentication credentials used to authorize the user. The username and password credentials are not stored.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
Declared In
Vantiq.h
– retrieveServerId:
The retrieveServerId method retrieves a unique VANTIQ server ID once the user has been authenticated, setting the serverId property in the process. This ID can be used to determine the uniqueness of a server if one server has multiple IP addresses/URL endpoints
- (void)retrieveServerId:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
handler |
The handler block to execute. |
|---|
Discussion
The retrieveServerId method retrieves a unique VANTIQ server ID once the user has been authenticated, setting the serverId property in the process. This ID can be used to determine the uniqueness of a server if one server has multiple IP addresses/URL endpoints
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
Declared In
Vantiq.h
– select:props:where:sort:limit:completionHandler:
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
- (void)select:(NSString *)type props:(NSArray *)props where:(NSString *)where sort:(NSString *)sort limit:(int)limit completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
props |
Specifies the desired properties to be returned in each record. An empty array or null value means all properties will be returned. The array contains NSStrings. |
where |
Specifies constraints to filter the data. Null means all records will be returned. |
sort |
Specifies the desired sort for the result set. This is a JSON-formatted string. |
limit |
Specifies a limit on the number of records returned. -1 means no limits. If zero or greater, the actual number of records present is returned in the ‘X-Total-Count’ HTTP header. |
handler |
The handler block to execute. |
Return Value
data: array of NSDictionary objects of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
Declared In
Vantiq.h
– select:props:where:sort:completionHandler:
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
- (void)select:(NSString *)type props:(NSArray *)props where:(NSString *)where sort:(NSString *)sort completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
props |
Specifies the desired properties to be returned in each record. An empty array or null value means all properties will be returned. The array contains NSStrings. |
where |
Specifies constraints to filter the data. Null means all records will be returned. |
sort |
Specifies the desired sort for the result set. This is a JSON-formatted string. |
handler |
The handler block to execute. |
Return Value
data: array of NSDictionary objects of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
Declared In
Vantiq.h
– select:props:where:completionHandler:
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
- (void)select:(NSString *)type props:(NSArray *)props where:(NSString *)where completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
props |
Specifies the desired properties to be returned in each record. An empty array or null value means all properties will be returned. The array contains NSStrings. |
where |
Specifies constraints to filter the data. Null means all records will be returned. This is a JSON-formatted string. |
handler |
The handler block to execute. |
Return Value
data: array of NSDictionary objects of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the select operation. The callback data returned is an array of NSDictionary objects.
Declared In
Vantiq.h
– select:props:completionHandler:
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
- (void)select:(NSString *)type props:(NSArray *)props completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
props |
Specifies the desired properties to be returned in each record. An empty array or null value means all properties will be returned. The array contains NSStrings. |
handler |
The handler block to execute. |
Return Value
data: array of NSDictionary objects of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the select operation. The callback data returned is an array of NSDictionary objects.
Declared In
Vantiq.h
– select:completionHandler:
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
- (void)select:(NSString *)type completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
handler |
The handler block to execute. |
Return Value
data: array of NSDictionary objects of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The select method issues a query to select all matching records for a given type. The select may query both user-defined types as well as system types, such as procedures and types.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the select operation. The callback data returned is an array of NSDictionary objects.
Declared In
Vantiq.h
– selectOne:id:completionHandler:
The selectOne method issues a query to select a single record for a given type and unique identifier.
- (void)selectOne:(NSString *)type id:(NSString *)ID completionHandler:(void ( ^ ) ( NSArray *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
ID |
The unique identifier that matches the type’s ‘_id’ property. |
handler |
The handler block to execute. |
Return Value
data: array of NSDictionary objects of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The selectOne method issues a query to select a single record for a given type and unique identifier.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the selectOne operation. The callback data returned is an array of NSDictionary objects.
Declared In
Vantiq.h
– count:where:completionHandler:
The count method is similar to the select method except it returns only the number of records rather than returning the records themselves.
- (void)count:(NSString *)type where:(NSString *)where completionHandler:(void ( ^ ) ( int count , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
where |
Specifies constraints to filter the data. Null means all records will be returned. This is a JSON-formatted string. |
handler |
The handler block to execute. |
Return Value
count: number of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The count method is similar to the select method except it returns only the number of records rather than returning the records themselves.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the count operation. The callback count returned is a count of the items requested.
Declared In
Vantiq.h
– count:completionHandler:
The count method is similar to the select method except it returns only the number of records rather than returning the records themselves.
- (void)count:(NSString *)type completionHandler:(void ( ^ ) ( int count , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
handler |
The handler block to execute. |
Return Value
count: number of matching records
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The count method is similar to the select method except it returns only the number of records rather than returning the records themselves.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the count operation. The callback count returned is a count of the items requested.
See Also
Declared In
Vantiq.h
– insert:object:completionHandler:
The insert method creates a new record of a given type.
- (void)insert:(NSString *)type object:(NSString *)object completionHandler:(void ( ^ ) ( NSDictionary *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
object |
The JSON-formated string data to insert. |
handler |
The handler block to execute. |
Return Value
data: copy of the inserted data
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The insert method creates a new record of a given type.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the insert operation. The callback data returned is a copy of the inserted data.
Declared In
Vantiq.h
– update:id:object:completionHandler:
The update method updates an existing record of a given type. This method supports partial updates meaning that only the properties provided are updated. Any properties not specified are not changed in the underlying record.
- (void)update:(NSString *)type id:(NSString *)ID object:(NSString *)object completionHandler:(void ( ^ ) ( NSDictionary *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
ID |
The “_id” internal identifier for the record. |
object |
The JSON-formated string data to update. |
handler |
The handler block to execute. |
Return Value
data: copy of the updated data
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The update method updates an existing record of a given type. This method supports partial updates meaning that only the properties provided are updated. Any properties not specified are not changed in the underlying record.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the insert operation. The callback data returned is a copy of the updated data.
Declared In
Vantiq.h
– upsert:object:completionHandler:
The upsert method either creates or updates a record in the database depending if the record already exists. The method tests for existence by looking at the natural keys defined on the type.
- (void)upsert:(NSString *)type object:(NSString *)object completionHandler:(void ( ^ ) ( NSDictionary *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources) |
|---|---|
object |
The JSON-formated string data to upsert. |
handler |
The handler block to execute. |
Return Value
data: copy of the upserted data
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The upsert method either creates or updates a record in the database depending if the record already exists. The method tests for existence by looking at the natural keys defined on the type.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the insert operation. The callback data returned is a copy of the upserted data.
Declared In
Vantiq.h
– delete:resourceId:completionHandler:
This delete method removes records from the system for a given type. Use this form of delete for system types which require the name of the type in order to perform the delete.
- (void)delete:(NSString *)type resourceId:(NSString *)resourceId completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
resourceId |
The resource identifier. This is a string and is mostly but not always associated with the type’s ‘name’ property. |
handler |
The handler block to execute. |
Discussion
This delete method removes records from the system for a given type. Use this form of delete for system types which require the name of the type in order to perform the delete.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the deleteOne operation.
Declared In
Vantiq.h
– delete:where:completionHandler:
This delete method removes records from the system for a given type. Deletes always require a constraint indicating which records to remove.
- (void)delete:(NSString *)type where:(NSString *)where completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
where |
Specifies constraints to filter the data. This is a JSON-formatted string. |
handler |
The handler block to execute. |
Discussion
This delete method removes records from the system for a given type. Deletes always require a constraint indicating which records to remove.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the deleteOne operation.
Declared In
Vantiq.h
– deleteOne:id:completionHandler:
The deleteOne method issues a query to delete a single record for a given type and unique identifier.
- (void)deleteOne:(NSString *)type id:(NSString *)ID completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
type |
The data type to query. If querying for a Vantiq system type (e.g. types, sources), add a ‘system.’ prefix to the type (e.g. system.types, system.sources). |
|---|---|
ID |
The unique identifier that matches the type’s ‘_id’ property. |
handler |
The handler block to execute. |
Discussion
The deleteOne method issues a query to delete a single record for a given type and unique identifier.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the delete operation.
See Also
Declared In
Vantiq.h
– publish:message:completionHandler:
The publish method publishes a message onto a given topic. Messages published onto topics can trigger rules to facilitate identifying situations.
- (void)publish:(NSString *)topic message:(NSString *)message completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
topic |
The topic on which to publish. |
|---|---|
message |
The message to publish. This is a JSON-formatted string. |
handler |
The handler block to execute. |
Discussion
The publish method publishes a message onto a given topic. Messages published onto topics can trigger rules to facilitate identifying situations.
Topics are slash-delimited strings, such as ‘/test/topic’. Vantiq system-defined topics begin with /type, /property, /system, and /source.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the publish operation.
Declared In
Vantiq.h
– execute:params:completionHandler:
The execute method executes a procedure on the Vantiq server. Procedures can take parameters (i.e. arguments) and produce a result.
- (void)execute:(NSString *)procedure params:(NSString *)params completionHandler:(void ( ^ ) ( id data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
procedure |
The procedure to execute. The parameters may be provided as an array where the arguments are given in order. Alternatively, the parameters may be provided as an object where the arguments are named. |
|---|---|
params |
Parameters passed to the procedure. This is a JSON-formatted string. |
handler |
The handler block to execute. |
Return Value
data: result of method execution, if any, usually an NSDictionary or NSArray (use isKindOfClass to determine)
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The execute method executes a procedure on the Vantiq server. Procedures can take parameters (i.e. arguments) and produce a result.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the execute operation. The callback data returns the results of the procedure, if any.
Declared In
Vantiq.h
– execute:completionHandler:
The execute method executes a procedure on the Vantiq server. Procedures can take parameters (i.e. arguments) and produce a result.
- (void)execute:(NSString *)procedure completionHandler:(void ( ^ ) ( id data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
procedure |
The procedure to execute. The parameters may be provided as an array where the arguments are given in order. Alternatively, the parameters may be provided as an object where the arguments are named. |
|---|---|
handler |
The handler block to execute. |
Return Value
data: result of method execution, if any, usually an NSDictionary or NSArray (use isKindOfClass to determine)
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The execute method executes a procedure on the Vantiq server. Procedures can take parameters (i.e. arguments) and produce a result.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the execute operation. The callback data returns the results of the procedure, if any.
See Also
Declared In
Vantiq.h
– registerForPushNotifications:completionHandler:
The registerForPushNotifications method registers an app to receive Apple Push Notifications. Please note that you must enable the iOS app for Push Notifications and for the remote-notifications Background Mode, in addition to assigning a bundle identifier in both the app and in the app definition and provisioning profiles at the Apple Developer site.
- (void)registerForPushNotifications:(NSString *)APNSDeviceToken completionHandler:(void ( ^ ) ( NSDictionary *data , NSHTTPURLResponse *response , NSError *error ))handler
Parameters
APNSDeviceToken |
The APNS Device Token returned by the registerForRemoteNotifications method. |
|---|---|
handler |
The handler block to execute. |
Return Value
data: result of method execution, if any
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The registerForPushNotifications method registers an app to receive Apple Push Notifications. Please note that you must enable the iOS app for Push Notifications and for the remote-notifications Background Mode, in addition to assigning a bundle identifier in both the app and in the app definition and provisioning profiles at the Apple Developer site.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the execute operation. The callback data returns the results of the procedure, if any.
Declared In
Vantiq.h
– uploadDocument:fileName:filePrefix:contentType:completionHandler:
The uploadDocument method uploads the given file, specified by the full path and file name, with any directory prefix and the given content type (MIME type). The upload process creates an ArsDocument record which contains the contents of the file. This method invokes the following method but passes the default @“/resources/documents” value for the resourcePath parameter.
- (void)uploadDocument:(NSString *)filePath fileName:(NSString *)fileName filePrefix:(NSString *)filePrefix contentType:(NSString *)contentType completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
filePath |
The full path to the document, for example in the NSDocumentDirectory appended with the file name |
|---|---|
fileName |
The file name which also contains its file extension |
filePrefix |
Any directory prefix to be added to the file path when it’s uploaded |
contentType |
The MIME type of the file contents |
handler |
The handler block to execute |
Return Value
data: result of method execution, if any
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The uploadDocument method uploads the given file, specified by the full path and file name, with any directory prefix and the given content type (MIME type). The upload process creates an ArsDocument record which contains the contents of the file. This method invokes the following method but passes the default @“/resources/documents” value for the resourcePath parameter.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the execute operation. The callback data returns the results of the procedure, if any.
Declared In
Vantiq.h
– uploadDocument:fileName:filePrefix:contentType:resourcePath:completionHandler:
The uploadDocument method uploads the given file, specified by the full path and file name, with any directory prefix and the given content type (MIME type). The upload process creates an ArsDocument record which contains the contents of the file.
- (void)uploadDocument:(NSString *)filePath fileName:(NSString *)fileName filePrefix:(NSString *)filePrefix contentType:(NSString *)contentType resourcePath:(NSString *)resourcePath completionHandler:(void ( ^ ) ( NSHTTPURLResponse *response , NSError *error ))handler
Parameters
filePath |
The full path to the document, for example in the NSDocumentDirectory appended with the file name |
|---|---|
fileName |
The file name which also contains its file extension |
filePrefix |
Any directory prefix to be added to the file path when it’s uploaded |
contentType |
The MIME type of the file contents |
resourcePath |
String specification of the destination resource, e.g. @“/resources/documents”, @“/resources/images” or @“/resources/videos” |
handler |
The handler block to execute |
Return Value
data: result of method execution, if any
response: iOS HTTP operation response
error: iOS error condition response
Discussion
The uploadDocument method uploads the given file, specified by the full path and file name, with any directory prefix and the given content type (MIME type). The upload process creates an ArsDocument record which contains the contents of the file.
Warning: Please also note this method invokes a callback block associated with a network- related block. Because this block is called from asynchronous network operations, its code must be wrapped by a call to dispatch_async(dispatch_get_main_queue(), ^ {…}); to ensure UI operations are completed on the main thread.
It is important to check the response and error callback return values to verify there were no errors returned by the execute operation. The callback data returns the results of the procedure, if any.
Declared In
Vantiq.h


iterationCount is of type unrestricted double.
A real number greater than or equal to zero (including positive infinity) representing the number of times to repeat the timed item.
For instance, a value of 2 would repeat 2 times and a value of 2.5 would repeat for 2 times and a half, hence the timed item will repeat 2 times and ends half-way through it's duration.
It has the following exeptions:


Preparation time
1-2 hours
Cooking time
30 mins to 1 hour
Serves
Serves 6
Dietary
Delicate forced rhubarb holds its own in this dish of crème brûlée speckled with stem ginger and topped with rhubarb crisps.
Preheat oven to 170C/150C Fan/Gas 3.
For the poached rhubarb, mix the ingredients together in a saucepan. Boil the mixture until the rhubarb has broken up and most of the liquid has evaporated.
Meanwhile, make the custard. Mix the cream and crème fraîche in a pan and heat until warm. Mix the egg yolks and ginger syrup together in a bowl. Pour in the warmed cream and return the mixture to the pan to warm.
Divide the poached rhubarb between 6 large ramekins then sprinkle half of the stem ginger on top and fill each ramekin with the custard mixture.
Boil a kettle of water. Place the ramekins in a roasting tin, fill the tin with boiling water so the water comes halfway up the sides of the ramekins. Bake for approximately 45 minutes, or until the custard is set but still has a slight wobble.
When cooked, place the ramekins in the refrigerator to cool completely (this will take a few hours, but if you are short of time they can be cooled on a baking tray in the freezer).
For the rhubarb crisps, preheat the oven to 120C/100C Fan/Gas ½.
Put the caster sugar and 75ml/2½fl oz water in a pan and heat until the sugar dissolves. Poach the rhubarb strips in this syrup for 30 seconds. Remove and arrange on a silicon mat on a baking tray. Dry out in the oven for 20 minutes, turning over halfway through. Set aside to cool.
For the topping, preheat the grill to maximum temperature. Top the ramekins with the demerara sugar and place under the grill until the sugar caramelises, alternatively use a chef’s blowtorch. Sprinkle with the remaining chopped stem ginger and the rhubarb crisps. Serve immediately.


|
IOH
<IP_ADDRESS>
Experimentation procedure for Iterative Optimization Heuristics
|
Helper for factory system. More...
#include <ioh/common/factory.hpp>
Public Attributes | |
| InvokeApplyOnConstruction< Type, Factory > & | invoker = RegistrationInvoker<Type, Factory>::registration_invoker |
Forces creation of invoker | |
Static Public Attributes | |
| static InvokeApplyOnConstruction< Type, Factory > | registration_invoker |
Forces creation of registration_invoker More... | |
Helper for factory system.
|
inlinestaticinherited |
Forces creation of registration_invoker


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Location:Sankara Nairobi.05 Woodvale Groove
Opening: 6PM - 6AM
Expect:
Location:Woodvale Groove.Westlands
Opening: 12PM - 6AM
Expect:
Location: 06 Chiromo ln, Ojijo road ,Parklands
Opening: 24 hours
Expect:
Location: 1st floor,Fortis Tower
Opening: 11AM - 3AM
Expect:
Location: 1st floor,Bishan plaza,Westlands Mpaka rd
Opening: 4PM - 12AM
Expect:
Location: Woodvale Groove
Opening: 4PM - 3AM
Expect:
Location: Woodvale Groove
Opening: 6PM - 6AM
Expect:
Location: Parklands rd, Parklands
Opening: 12PM - 12AM
Expect:
Location: 2nd floor, Soin Arcade, Westlands
Opening: 5PM - 4AM (on Thursday to Sunday)
Expect:
Location: Mogotio rd
Opening: 6PM - 6AM
Expect:
Location:Westlands rd , Nairobi
Opening:open 24 hours
Expect:
Location:Westlands
Opening: 6PM - 6AM
Expect:
Our business your satifaction


Draw.Text
Syntax
Draw.Text (txtStr : string, x, y, fontID, Color : int)
Description
Draw.Text is used to actually draw text in a specified font.
The textStr parameter contains the string to be drawn. The
x and y paramters are the location of the lower left
hand corner of the text to be displayed. The fontID parameter
is the number of the font in which the text is to be drawn. The
Color parameter is used to specify the color in which the
text is to appear.
Note that the text that appears is completely unrelated to the text
that appears using put. Draw.Text is a graphics command
and thus does not use or affect the cursor location.
The text drawn by the Draw.Text procedure does not erase the
background.
Details
If Draw.Text is passed an invalid font ID, a fatal error
occurs. If the Draw.Text call fails for other (non-fatal)
reasons then Error.Last will return a non-zero value indicating
the reason for the failure. Error.LastMsg will return a string
which contains the textual version of the error.
Details
Draw.Text is identical to Font.Draw. It is placed here
for consistency with other pixel graphics drawing routines.
Example
The program draws a phrase in red surrounded by a box in bright blue.
var font : int
font := Font.New ("serif:12")
assert font1 > 0
var width : int:= Font.Width ("This is in a serif font", font)
var height, ascent, descent, internalLeading : int
Font.Sizes (font, height, ascent, descent, internalLeading)
Draw.Text ("This is in a serif font", 50, 30, font, red)
Draw.Box (50, 30 + descent, 50 + width, 30 + height, brightblue)
Font.Free (font)
Details
To use the same font as is used by the put statement, use
defFontID for the font number. This font does not have to
be created or freed by the user, and allows a program to quickly
place text in any location on the screen.
Example
The program draws two strings in the default font (defFontID).
Draw.Text ("Drawing Here", 100, 120, defFontID, brightred)
Draw.Text ("and Here", 180, 90, defFontID, brightgreen)
Status
Exported qualified.
This means that you can only call the function by calling
Draw.Text, not by calling Text.
See Also
Font module for more information about selecting the font to
be displayed.


Computing a Fibonacci sequence with nested threads. (Absolutely not efficient; the purpose is to demonstrate threads' integrity ;-)
source code
💡 Open the developer console to see the results.


Audio Live Recording
Record
Format: start recording to see sample rate
Recordings
Watson Inspection Result:
Last update: