A SmartCoin is a cryptocurrency whose value is pegged to that of another asset, such as the US Dollar or gold. SmartCoins always have 100% or more of their value backed by the BitShares core currency, BTS, to which they can be converted at any time at an exchange rate set by a trustworthy price feed. In all but the most extreme market conditions, SmartCoins are guaranteed to be worth at least their face value (and perhaps more, in some circumstances). Like any other cryptocurrency, SmartCoins are fungible, divisible, and free from any restrictions.
Background
Cryptocurrencies are unique in that they are the only digital currency that is not someone else’s liability. They are fungible, decentralized, and as valuable as the network of users that support them. Unfortunately, they suffer from very high volatility, because their perception of value constantly changes as users enter and leave the ecosystem.
The traditional approach to creating a stable asset is to accept deposits and issue a digital token as a claim receipt. Under this approach, the token is valued by the market as a dollar, discounted by any credit risk associated with the issuer. This can work well for transactions, but less well as a form of savings. History has repeatedly proven that issuers eventually go bankrupt due to fraud, incompetence, or government intervention.
More recent approaches have used a cryptocurrency as collateral in a contract for difference. Under this approach, two parties take opposite sides of a trade, where one party is guaranteed price stability, and the other party is granted leverage. This approach works as long as sufficient collateral exists, and the contract can be settled by an honest 3rd party with a price feed. Unfortunately, a contract for difference is not fungible, and has an explicit settlement date, which means it is not useful as a currency.
Introducing SmartCoins
SmartCoins take the concept of a contract for difference, and make the long side fungible. For the purpose of this discussion, we will assume that the long side of the contract is BitUSD and that the backing collateral is BTS (the BitShares core asset). To achieve this, SmartCoins use the following set of market rules:
- Anyone with BitUSD can settle their position within an hour at the feed price.
- The least collateralized short positions are used to settle the position.
- The price feed is the median of many sources that are updated at least once per hour.
- Short positions never expire, except by hitting the maintenance collateral limit, or being force-settled as the least collateralized at the time of forced settlement (see point 2).
- In the event that the least-collateralized short position lacks enough collateral to cover at the price feed, then all BitUSD positions are automatically force settled at the price of the least collateralized short.
A simple metric for testing the validity of our claim that 1.00 BitUSD is always worth at least $1.00 is to demonstrate that, if you can find someone willing to sell 1.00 BitUSD for $1.00, that it would be the cheapest option for buying BTS. This means that 100% of the buying demand for BTS would be available to give liquidity to BitUSD holders as a priority over BTS holders. In the following sections I will attempt to prove that this condition is met.
While the rules are simple, the consequences are less obvious. Let’s analyze this from the perspective of the various players.
The Shorter
When deciding a price at which to enter a short order, a trader must consider the risk of forced settlement. In this case, no trader will attempt to short at or below the price feed, because they could be forced to settle at the price feed.  In practice, the risk posed by the feed error is balanced equally between being in the favor of the short and in the favor of the long, leaving only the risk of being forced out of their position at an inopportune time.
A short can minimize their exposure to the feed by providing enough collateral to keep far above the least collateralized positions, and thus very unlikely to be forced to settle at the feed or at an inopportune time.
In practice, the only way new BitUSD enters circulation is if there is someone willing to pay enough of a premium to convince a short to provide guaranteed liquidity at the price feed on demand, while also covering the cost of exchange rate risk. This premium will be higher for the backing cryptocurrency in a bear market, and will be lower in a bull market.
Someone who is short has only one way to exit their position: by buying BitUSD off the market. This means that a short must also factor in the risk that the premium may change. If a short position is entered in a bull market with a 0.1% premium, it may be forced to exit during a bear market with a 5% premium. In this event a short position is exposed to both exchange rate of the dollar vs. BTS and the premium risk. On the other hand, a short entered during a bear market with a 5% premium may get to cover during a bull market with a .1% premium.
For all intents and purposes, the premium is expected to move in the same direction as the price, and thus speculators who only care about relative price changes can ignore the premium.
The Long (BitUSD holder)
The very first buyer of BitUSD will have to pay the lowest premium set by the shorters. For the sake of discussion, let’s assume the first BitUSD was created in a bear market and cost $1.05 to create. The holder of that BitUSD has two options: sell it on the market for $1.04, or request forced settlement for $1.00. Clearly, the forced settlement option would only be used in situations where there was a decrease in total demand for BitUSD and there were no offers to buy it above $1.00.
As a trader only looking to trade back and forth between BitUSD and BTS, this premium doesn’t matter. Such as trader is exposed to volatility in the premium, but that risk is limited to $0.05 in this example. In practice, the premium is expected to be relatively stable and predictable.
The BTS Buyer
A buyer with dollars, looking to buy BTS, knows that 1 BitUSD can be used to buy $1 worth of BTS (plus the current premium). He also knows that this premium can never be negative, because of the option to force-settle at the price feed. In this situation, he can know with certainty that if he can convince someone with BitUSD to sell for $1.00, he can buy more BTS than if he simply buys BTS with his dollars directly. The higher the premium, the more incentive exists to buy BitUSD for $1.00.
This means that, in a BTS bear market, the BitUSD price gives the highest premium of the BTS price, and BitUSD becomes the easiest to sell. In practice, the BitUSD:USD market will reflect the premium, and traders will usually be unable to find anyone willing to sell for exactly $1.00.
If a buyer is looking to purchase a large quantity of BTS without moving the price, he can start by buying up BitUSD with dollars. This will slowly raise the BitUSD:USD price, which is a signal to other market participants. A careful buyer might be able to avoid signaling the market. Then, after acquiring the position in BitUSD, the buyer can request forced-settlement all at once and get the price feed on the entire purchase.
Because all positions and trades are visible on the blockchain, all of this trading activity can be factored into the price, minimizing any potential profits to be made by attempted manipulation.
The Merchant
A merchant wants to be able to price merchandise in BitUSD, and obtain real USD in the bank account, in a reasonable time, with minimal risk. In this case, a merchant would place BitUSD on the market at $1 per BitUSD. As discussed, BTS buyers fight for the opportunity to buy BitUSD at that price.
A smart merchant might recognize that 1 BitUSD can actually fetch $1 plus a variable premium, and start preferring that customers pay them in BitUSD at face value. An even smarter merchant might offer a discount to customers that pay in BitUSD.
Any way you slice it, merchants have a financial incentive to advertise BitUSD as the preferred payment mechanism, because they know that $1.00 is the lower bound on what BitUSD is worth.
The Customer
A customer looking to buy goods and services with BitUSD finds himself paying a premium to acquire BitUSD from the market. This means that customers will prefer merchants that offer a discount equal to the premium paid. On the other hand, the premium is a wash for a customer that earned BitUSD at a nominal value of $1.00. In fact, the only people to whom the premium matters are those who are looking to enter or exit the ecosystem. Once a customer or merchant is within the ecosystem, it is easy to simply trade BitUSD at parity, even if it is theoretically worth slightly more outside the ecosystem.
Customers use BitUSD because it provides them the convenience and freedom of a cryptocurrency, and has the lowest transfer fees of any other payment platform.
Merchants and customers are free to negotiate the best way to split the premium, and the free market will take care of the rest. In the mean time, all participants can rest assured that BitUSD is always worth at least $1, and can consider the premium for entering the ecosystem as a one-time fee.
Price Manipulation
There is always concern of price manipulation. Someone with a large amount of money on both sides of a trade can use their funds to manipulate the markets and thus the price feed. If the amount of money they lose manipulating the markets is less than the amount of money they can gain by manipulating the price feed, then it will be profitable to manipulate the market at the expense of either the BitUSD longs or the shorts. A low-collateralized short that sees a large force-settlement order requested can attempt to manipulate the markets and thus the feed against the BitUSD holder.
The risk of price manipulation is priced into the premium on BitUSD charged by the shorts, and thus should already be priced into the market. If price manipulation became a serious problem that caused very high premiums, then it could be addressed by the price feed producers, who can adopt a moving average over wider time windows to increase the difficulty of short-term manipulation. A variety of algorithms could be used to estimate a “fair price” that keeps BitUSD valued at least $1.00.
In practice, a feed producer can observe the BitUSD-to-USD market as an indicator on which way to adjust the feed. Generally speaking, the strategy that the feed producers adopt for controlling the feed should be public knowledge, because the shorts will ultimately rely on it. For the feed producers to change strategies in unpredictable ways could cause losses to both longs and shorts.
Black Swans - Extreme Market Conditions
All guarantees of SmartCoins are subject to the caveat that a SmartCoin can never be worth more than the collateral backing the least-collateralized short position. In normal market conditions, the value of the collateral is always more than sufficient, but, from time to time, markets can rapidly revalue the collateral. If this revaluation happens faster than the short positions can be forced to cover, then all SmartCoins are liquidated at the exchange rate of the least collateralized short position. This is similar to an insolvent bank converting its deposits to equity.
The Bond Market
Not every short seller will be happy with the rules offer by SmartCoins. Some may want to borrow for a fixed period of time, with higher leverage, and with no risk of being force-settled. BitShares offers these speculators the option to borrow BitUSD on the bond market at interest. The bond market allows speculators to leverage any asset against any other, while lenders earn interest on collateralized loans. A Bond market is the perfect way for the market to establish a yield curve on SmartCoins and free both sides of the market from dependency on the price feed.
Privatized SmartCoins
BitShares offers entrepreneurs an opportunity to create their own SmartCoins with custom parameters and price feeds.
User-issued SmartCoin managers can experiment with different parameters such as collateral requirements, price feeds, force settlement delays and forced settlement fees. They also earn the trading fees from transactions the issued asset is involved in, and therefore have a financial incentive to market and promote it on the network. The entrepreneur who can discover and market the best set of parameters can earn a significant profit. The set of parameters that can be tweaked by entrepreneurs is broad enough that SmartCoins can be used to implement a fully functional prediction market with a guaranteed global settlement at a fair price, and no forced settlement before the resolution date.
Some entrepreneurs may want to experiment with SmartCoins that always trade at exactly $1.00 rather than strictly more than $1.00. They can do this by manipulating the forced settlement fee continuously such that the average trading price stays at about $1.00. By default, BitShares prefers fees set by the market, and thus opts to let the price float above $1.00, rather than fixing the price by directly manipulating the forced settlement fee.
Conclusion
SmartCoins are a powerful tool for everyone from speculators and savers, to traders and entrepreneurs. The BitShares platform provides a toolset with which innovators can experiment to find optimal currency solutions using free market discovery.


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--- layout: post title: Meet our very own St Nicholas date: 2010-12-13 10:45:19.000000000 -05:00 categories: - Celebrations - Sewing tags: - St Nicholas status: publish type: post published: true meta: _edit_last: '1' _wp_old_slug: '' author: login: cint email<EMAIL_ADDRESS>display_name: Jacinta first_name: Jacinta last_name: '' ---
Saint Nicholas joined our family a few years back. I love his rustic look and charm. I made him from a pattern out of Australia Homespun, No.12 (Vol 3.4). It is a fairly old magazine. I had it a few years before making St Nick. He wore a beard of inferior quality for a couple of years, until I stumbled upon some lovely natural woollen fleece. It looks and feels so much better than his previous beard did. I love him dearly!
I have made a lovely little tradition each Christmas where I read a story of St Nicholas to the children, with him sitting at our side of course.


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Encapsulates a Realm transaction.
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| RealmList<E extends RealmObject> |
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class: center, middle, inverse, title-slide # A Brief Intro to Plotting with ggplot2 ### Andreas Felderer ### 15.09.2021 --- # Why ggplot(2)? ### - Beautiful plots -- ### - Part of the tidyverse -- ### - Readability & re-usability -- ### - Documentation --- # Plot example .pull-left[ ```r plot(penguins$bill_length_mm, penguins$bill_depth_mm) ```  ] .pull-right[ ```r ggplot(penguins) + aes(x=bill_length_mm, y=bill_depth_mm) + geom_point() ```  ] --- # What did we just plot? ![image](figures/culmen_depth.png) --- # How does ggplot work ? .pull-left[ ```r *ggplot(penguins) + aes(x=bill_length_mm, y=bill_depth_mm) + geom_point() ```  ] .pull-right[ 1. **Data** - Provide ggplot with a dataframe ] --- # How does ggplot work ? .pull-left[ ```r ggplot(penguins) + * aes(x=bill_length_mm, * y=bill_depth_mm) + geom_point() ```  ] .pull-right[ 1. Data - Provide ggplot with a dataframe 2. **Aesthetics ("aes")** - Tell ggplot how to style the data - e.g. what belongs on the x and y axis or how to points ] --- # How does ggplot work ? .pull-left[ ```r ggplot(penguins) + aes(x=bill_length_mm, y=bill_depth_mm) + * geom_point() ```  ] .pull-right[ 1. Data - Provide ggplot with a dataframe 2. Aesthetics ("aes") - Tell ggplot how to style the data - e.g. what belongs on the x and y axis or how to points 3. **Geometries ("geoms")** - Tell ggplot the geometrical form to be used - e.g.: line, point, bar, box, ... ] --- # Whats the matter with geom? .pull-left[ ```r ggplot(penguins) + aes(x=bill_length_mm, y=bill_depth_mm) + geom_point() + * geom_smooth(method="lm") ```  ] .pull-right[ - We can easily add another representation of the same data - In this case the best linear approximation of the data - But wait why is the slope negative? ] --- # Whats the matter with aes? .pull-left[ ```r ggplot(penguins) + aes(x=bill_length_mm, y=bill_depth_mm, * color=species) + geom_point() + geom_smooth(method="lm") ```  ] .pull-right[ - We can easily add another aesthetic - In this case color each species in a different color - Now the slopes are positive - A nice example of Simpsons paradox ] --- # Example: ### Plot distribution of bill length per islands: .pull-left[ Let's start with a box plot ```r ggplot(penguins) + aes(y=bill_length_mm, x=island) + * geom_boxplot() ``` ] .pull-right[  ] --- # Example: A boxplot may hide information which can be made accessible with jitter .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island) + geom_boxplot() + * geom_jitter() ``` ] .pull-right[  ] --- # Example: Another possibility is a violin plot (works best with lots of data) .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island) + # geom_boxplot() + * geom_violin(fill=NA) + geom_jitter() ``` ] .pull-right[  ] --- # Example: Combining violin with boxplot is a powerful option .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island) + geom_violin() + # geom_jitter() * geom_boxplot(width=0.2) ``` ] .pull-right[  ] --- # Example: Let's add title, labels, and a theme .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island) + geom_violin() + geom_boxplot(width=0.2, * alpha=0.2, * color = "white") + * labs(title = "Bill length distribution", * x = "Island", * y = "Bill Length (mm)") + * theme_xaringan() ``` ] .pull-right[  ] --- # Example: Let's distinguish between species .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island, * color=species) + * geom_violin(width=0.75, alpha=0.7) + * geom_boxplot(alpha=0.2) + labs(title = "Bill length distribution", x = "Island", y = "Bill Length (mm)") ``` ] .pull-right[  ] --- # Example: And change colors to the viridis scale (optimized for colorblind, and grayscale printing) .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island, color=species) + geom_violin(width=0.75, alpha=0.7) + geom_boxplot(alpha=0.2) + labs(title = "Bill length distribution", x = "Island", y = "Bill Length (mm)") + * scale_color_viridis(discrete = TRUE) ``` ] .pull-right[  ] --- # Example: Rename the legend .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=island, color=species) + geom_violin(width=0.75, alpha=0.7) + geom_boxplot(alpha=0.2) + labs(title = "Bill length distribution", x = "Island", y = "Bill Length (mm)", * color = "Species") + scale_color_viridis(discrete = TRUE) ``` ] .pull-right[  ] --- # Example: Use the power of faceting .pull-left[ ```r ggplot(penguins) + * aes(y=bill_length_mm, x=species, * color=species) + * facet_grid(cols = vars(island)) + geom_violin(width=0.75, alpha=0.7) + * geom_boxplot(width=0.3, alpha=0.2) + labs(title = "Bill length distribution", x = "Island", y = "Bill Length (mm)", color = "Species") + scale_color_viridis(discrete = TRUE) ``` ] .pull-right[  ] --- # Example: And save the plot as .png with ggsave. .pull-left[ ```r ggplot(penguins) + aes(y=bill_length_mm, x=species, color=species) + facet_grid(cols = vars(island)) + geom_violin(width=0.75, alpha=0.7) + geom_boxplot(width=0.3, alpha=0.2) + labs(title = "Bill length distribution", x = "Island", y = "Bill Length (mm)", color = "Species") + scale_color_viridis(discrete = TRUE) ``` ```r ggsave("our_first_plot.png") ``` ] .pull-right[  ggsave() can save plots as: "eps", "ps", "tex" (pictex), "pdf", "jpeg", "tiff", "png", "bmp", "svg" or "wmf" (windows only). ] --- # There are many, many ways to represent data .pull-left[ ![image](figures/r-graph-gallery.png) ] .pull-right[ 1. Ridgline 2. Histogram 3. Spider plot 4. Treemap 5. Bubble 6. etc. ... ] --- # Helpful resources - **The Documaentation:** <https://ggplot2.tidyverse.org/index.html> - **R Cheatsheets (ggplot2):** <https://github.com/rstudio/cheatsheets/blob/master/data-visualization-2.1.pdf> - **Extensive intro to ggplot:** The R-Graphics Cookbook: <https://r-graphics.org/> - **Concise intro to ggplot:** The *Graphics for Communication* chapter from R4DS: <https://r4ds.had.co.nz/graphics-for-communication.html> - **Inspiration:** The R Graph Gallery: <https://www.r-graph-gallery.com/> --- # Questions?


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{% extends 'layout.html' %} {% block title %} Index {% endblock %} {% block header %} {% endblock %} {% block content %} We are currently Under Construction Please check back again within Some Days as We're Pretty Close {% endblock %} {% block js %} {% endblock %}


Luke Johnston is a Postdoctoral researcher at the
Department of Public Health in Aarhus University, Denmark.
His research is in diabetes epidemiology where he uses data to try
to understand how and why individuals develop type 2 diabetes. He's other work includes
creating R packages and workflows to make it easier to do data analysis and reproducible research.
Almost all of his code for his projects is on GitHub.
Teaching proper coding skills and fostering
reproducible research is something he is passionate about, especially considering
that much of science relies on the results from these codes and
analyses. Tweets from @lwjohnst.


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Rookie LB Van Ginkel activated from IR by Dolphins
DAVIE, Fla. (AP) - Rookie linebacker Andrew Van Ginkel has been activated from injured reserve by the Miami Dolphins after missing the first nine games with a foot injury.
Van Ginkel was a fifth-round draft pick in April.
The move means Miami cornerbacks Xavien Howard (knee) and Aqib Talib (ribs) must remain on injured reserve and won’t return this season.
Howard played in only five games this year. Talib was already injured when acquired from the Rams last month along with a fifth-round pick for an undisclosed future draft choice. He becomes an unrestricted free agent after this season.
More AP NFL: https://apnews.com/NFL and https://twitter.com/AP_NFL
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{% extends "app/layout.html" %} {% block content %}
This is our contribution to the CODE 2015 edition that took place from February 20th to 22nd of 2015. The ultimate goal was to elaborate and build a web application basing it on the Open Data initiative from the Government of Canada.
This experience was really engaging and exciting for us. We were complete newbies at first, no skills in web programming or data analysis whatsoever, but we managed to get through the learning curve and get our hands on this year's 48-hour sprint.
The biggest challenge we faced was coming up with inspiring ideas by digging into the datasets. After long debates, we found that addressing the Youth Employment theme was the dearest to our hearts.
Our tool I on the job lets you match your field of work with the right Canadian province. All you have to do is select your profile and hit the go button to see your results. I on the Job will display the chances of finding a job in each province based on your profile, using the following two data sets from Open Government


Careers
Benefits
Hiring
About
Overview
Organizational Structure
Program Alignment
Locations
Interactive Map
Atsugi, Japan
Cherry Point, NC
China Lake, CA
Jacksonville, FL
Lakehurst, NJ
North Island, CA
Orlando, FL
Pax River, MD
Point Mugu, CA
Leadership
COMMANDER
VICE CMDR
DEP CMDR
CMC
PEO(A)
PEO(T)
PEO(U&W)
PEO(JSF)
Ombudsman


THE STICKMAN ANIMATOR
Selected poses:
Save session
Instructions:
Click on joint and drag mouse to set joint angles.
Use the arrow key to move the figure.
Set the maximum time of the animation in the input box.
Use the slider to set the time instance of a specific pose.
Select the camera icon to record a pose at the selected time.
Select the play button to run the animation.


While the First Way describes the principles that enable the fast flow of work from left to right, the Second Way describes the principles that enable the reciprocal fast and constant feedback from right to left at all stages of the value stream. Our goal is to create an ever safer and more resilient system of work.
This is especially important when working in complex systems, when the earliest opportunity to detect and correct errors is typically when a catastrophic event is underway, such as a manufacturing worker being hurt on the job or a nuclear reactor meltdown in progress.
In technology, our work happens almost entirely within complex systems with a high risk of catastrophic consequences. As in manufacturing, we often discover problems only when large failures are underway, such as a massive production outage or a security breach resulting in the theft of customer data.
We make our system of work safer by creating fast, frequent, high quality information flow throughout our value stream and our organization, which includes feedback and feedforward loops. This allows us to detect and remediate problems while they are smaller, cheaper, and easier to fix; avert problems before they cause catastrophe; and create organizational learning that we integrate into future work. When failures and accidents occur, we treat them as opportunities for learning, as opposed to a cause for punishment and blame. To achieve all of the above, let us first explore the nature of complex systems and how they can be made safer.
One of the defining characteristics of a complex system is that it defies any single person’s ability to see the system as a whole and understand how all the pieces fit together. Complex systems typically have a high degree of interconnectedness of tightly-coupled components, and system-level behavior cannot be explained merely in terms of the behavior of the system components.
Dr. Charles Perrow studied the Three Mile Island crisis and observed that it was impossible for anyone to understand how the reactor would behave in all circumstances and how it might fail. When a problem was underway in one component, it was difficult to isolate from the other components, quickly flowing through the paths of least resistance in unpredictable ways.
Dr. Sidney Dekker, who also codified some of the key elements of safety culture, observed another characteristic of complex systems: doing the same thing twice will not predictably or necessarily lead to the same result. It is this characteristic that makes static checklists and best practices, while valuable, insufficient to prevent catastrophes from occurring. See Appendix 5.
Therefore, because failure is inherent and inevitable in complex systems, we must design a safe system of work, whether in manufacturing or technology, where we can perform work without fear, confident that any errors will be detected quickly, long before they cause catastrophic outcomes, such as worker injury, product defects, or negative customer impact.
After he decoded the causal mechanism behind the Toyota Product System as part of his doctoral thesis at Harvard Business School, Dr. Steven Spear stated that designing perfectly safe systems is likely beyond our abilities, but we can make it safer to work in complex systems when the four following conditions are met:†
Each of these capabilities are required to work safely in a complex system. In the next sections, the first two capabilities and their importance are described, as well as how they have been created in other domains and what practices enable them in the technology value stream. (The third and fourth capabilities are described in chapter 4.)
In a safe system of work, we must constantly test our design and operating assumptions. Our goal is to increase information flow in our system from as many areas as possible, sooner, faster, cheaper, and with as much clarity between cause and effect as possible. The more assumptions we can invalidate, the faster we can find and fix problems, increasing our resilience, agility, and ability to learn and innovate.
We do this by creating feedback and feedforward loops into our system of work. Dr. Peter Senge in his book The Fifth Discipline: The Art & Practice of the Learning Organization described feedback loops as a critical part of learning organizations and systems thinking. Feedback and feedforward loops cause components within a system to reinforce or counteract each other.
In manufacturing, the absence of effective feedback often contribute to major quality and safety problems. In one well-documented case at the General Motors Fremont manufacturing plant, there were no effective procedures in place to detect problems during the assembly process, nor were there explicit procedures on what to do when problems were found. As a result, there were instances of engines being put in backward, cars missing steering wheels or tires, and cars even having to be towed off the assembly line because they wouldn’t start.
In contrast, in high-performing manufacturing operations there is fast, frequent, and high quality information flow throughout the entire value stream—every work operation is measured and monitored, and any defects or significant deviations are quickly found and acted upon. These are the foundation of what enables quality, safety, and continual learning and improvement.
In the technology value stream, we often get poor outcomes because of the absence of fast feedback. For instance, in a waterfall software project, we may develop code for an entire year and get no feedback on quality until we begin the testing phase—or worse, when we release our software to customers. When feedback is this delayed and infrequent, it is too slow to enable us to prevent undesirable outcomes.
In contrast, our goal is to create fast feedback and fastforward loops wherever work is performed, at all stages of the technology value stream, encompassing Product Management, Development, QA, Infosec, and Operations. This includes the creation of automated build, integration, and test processes, so that we can immediately detect when a change has been introduced that takes us out of a correctly functioning and deployable state.
We also create pervasive telemetry so we can see how all our system components are operating in the production environment, so that we can quickly detect when they are not operating as expected. Telemetry also allows us to measure whether we are achieving our intended goals and, ideally, is radiated to the entire value stream so we can see how our actions affect other portions of the system as a whole.
Feedback loops not only enable quick detection and recovery of problems, but they also inform us on how to prevent these problems from occurring again in the future. Doing this increases the quality and safety of our system of work, and creates organizational learning.
As Elisabeth Hendrickson, VP of Engineering at Pivotal Software, Inc. and author of Explore It!: Reduce Risk and Increase Confidence with Exploratory Testing, said, “When I headed up quality engineering, I described my job as ‘creating feedback cycles.’ Feedback is critical because it is what allows us to steer. We must constantly validate between customer needs, our intentions and our implementations. Testing is merely one sort of feedback.”
Obviously, it is not sufficient to merely detect when the unexpected occurs. When problems occur, we must swarm them, mobilizing whoever is required to solve the problem.
According to Dr. Spear, the goal of swarming is to contain problems before they have a chance to spread, and to diagnose and treat the problem so that it cannot recur. “In doing so,” he says, “they build ever-deeper knowledge about how to manage the systems for doing our work, converting inevitable up-front ignorance into knowledge.”
The paragon of this principle is the Toyota Andon cord. In da Toyota manufacturing plant, above every work center is a cord that every worker and manager is trained to pull when something goes wrong; for example, when a part is defective, when a required part is not available, or even when work takes longer than documented.‡
When the Andon cord is pulled, the team leader is alerted and immediately works to resolve the problem. If the problem cannot be resolved within a specified time (e.g., fifty-five seconds), the production line is halted so that the entire organization can be mobilized to assist with problem resolution until a successful countermeasure has been developed.
Instead of working around the problem or scheduling a fix “when we have more time,” we swarm to fix it immediately—this is nearly the opposite of the behavior at the GM Fremont plant described earlier. Swarming is necessary for the following reasons:
This practice of swarming seems contrary to common management practice, as we are deliberately allowing a local problem to disrupt operations globally. However, swarming enables learning. It prevents the loss of critical information due to fading memories or changing circumstances. This is especially critical in complex systems, where many problems occur because of some unexpected, idiosyncratic interaction of people, processes, products, places, and circumstances—as time passes, it becomes impossible to reconstruct exactly what was going on when the problem occurred.
As Dr. Spear notes, swarming is part of the “disciplined cycle of real-time problem recognition, diagnosis,...and treatment (countermeasures or corrective measures in manufacturing vernacular). It [is] the discipline of the Shewhart cycle—plan, do, check, act—popularized by W. Edwards Deming, but accelerated to warp speed.”
It is only through the swarming of ever smaller problems discovered ever earlier in the life cycle that we can deflect problems before a catastrophe occurs. In other words, when the nuclear reactor melts down, it is already too late to avert worst outcomes.
To enable fast feedback in the technology value stream, we must create the equivalent of an Andon cord and the related swarming response. This requires that we also create the culture that makes it safe, and even encouraged, to pull the Andon cord when something goes wrong, whether it is when a production incident occurs or when errors occur earlier in the value stream, such as when someone introduces a change that breaks our continuous build or test processes.
When conditions trigger an Andon cord pull, we swarm to solve the problem and prevent the introduction of new work until the issue has been resolved.§ This provides fast feedback for everyone in the value stream (especially the person who caused the system to fail), enables us to quickly isolate and diagnose the problem, and prevents further complicating factors that can obscure cause and effect.
Preventing the introduction of new work enables continuous integration and deployment, which is single-piece flow in the technology value stream. All changes that pass our continuous build and integration tests are deployed into production, and any changes that cause any tests to fail trigger our Andon cord and are swarmed until resolved.
We may inadvertently perpetuate unsafe systems of work due to the way we respond to accidents and incidents. In complex systems, adding more inspection steps and approval processes actually increases the likelihood of future failures. The effectiveness of approval processes decreases as we push decision-making further away from where the work is performed. Doing so not only lowers the quality of decisions but also increases our cycle time, thus decreasing the strength of the feedback between cause and effect, and reducing our ability to learn from successes and failures.¶
This can be seen even in smaller and less complex systems. When top-down, bureaucratic command and control systems become ineffective, it is usually because the variance between “who should do something” and “who is actually doing something” is too large, due to insufficient clarity and timeliness.
Examples of ineffective quality controls include:
Instead, we need everyone in our value stream to find and fix problems in their area of control as part of our daily work. By doing this, we push quality and safety responsibilities and decision-making to where the work is performed, instead of relying on approvals from distant executives.
We use peer reviews of our proposed changes to gain whatever assurance is needed that our changes will operate as designed. We automate as much of the quality checking typically performed by a QA or Information Security department as possible. Instead of developers needing to request or schedule a test to be run, these tests can be performed on demand, enabling developers to quickly test their own code and even deploy those changes into production themselves.
By doing this, we truly make quality everyone’s responsibility as opposed to it being the sole responsibility of a separate department. Information security is not just Information Security’s job, just as availability isn’t merely the job of Operations.
Having developers share responsibility for the quality of the systems they build not only improves outcomes but also accelerates learning. This is especially important for developers as they are typically the team that is furthest removed from the customer. Gary Gruver observes, “It’s impossible for a developer to learn anything when someone yells at them for something they broke six months ago—that’s why we need to provide feedback to everyone as quickly as possible, in minutes, not months.”
In the 1980s, Designing for Manufacturability principles sought to design parts and processes so that finished goods could be created with the lowest cost, highest quality, and fastest flow. Examples include designing parts that are wildly asymmetrical to prevent them from being put on backwards, and designing screw fasteners so that they are impossible to over-tighten.
This was a departure from how design was typically done, which focused on the external customers but overlooked internal stakeholders, such as the people performing the manufacturing.
Lean defines two types of customers that we must design for: the external customer (who most likely pays for the service we are delivering) and the internal customer (who receives and processes the work immediately after us). According to Lean, our most important customer is our next step downstream. Optimizing our work for them requires that we have empathy for their problems in order to better identify the design problems that prevent fast and smooth flow.
In the technology value stream, we optimize for downstream work centers by designing for operations, where operational non-functional requirements (e.g., architecture, performance, stability, testability, configurability, and security) are prioritized as highly as user features.
By doing this, we create quality at the source, likely resulting in a set of codified non-functional requirements that we can proactively integrate into every service we build.
Creating fast feedback is critical to achieving quality, reliability, and safety in the technology value stream. We do this by seeing problems as they occur, swarming and solving problems to build new knowledge, pushing quality closer to the source, and continually optimizing for downstream work centers.
The specific practices that enable fast flow in the DevOps value stream are presented in Part IV. In the next chapter, we present the Third Way: The Principles of Feedback


WELCOME TO THE GAME!
Instructions to play the game -
Click Here!
To know more about the game -
Click Here!
Player1
Player2
1
1
1
1
Start New Game
Divide!


Luna is designed to serve as a mental check-in for Twitter users whose recent tweets have been deemed to be negative.
As an online chat assistant, she helps users find resources to address their emotions in an attempt to reduce negative patterns in social media activity and bring more positivity to the online sphere.


A creative and experienced DevOps Engineer with a Bachelor in ICT. I have a great passion for Web and App Develelopment. After work, I spend most of my free time reading books, exercising and meditating. There are many variations of passages of Lorem Ipsum available, but the majority have suffered alteration in some form, by injected humour. There are many variations of passages of Lorem Ipsum available.
There are many variations of passages of Lorem Ipsum available, but the majority have suffered alteration in some form, by injected humour
I am still working hard every day to be a better version of me. Duis sit amet finibus orci. Suspendisse pulvinar magna feugiat, posuere libero vel, iaculis leo. Maecenas egestas velit quis nibh pharetra molestie.
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet finibus orci. Suspendisse pulvinar magna feugiat, posuere.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet finibus orci. Suspendisse pulvinar magna feugiat, posuere.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet finibus orci. Suspendisse pulvinar magna feugiat, posuere.
Happiness is truely come from the inside. Our life will be more meaningful and purposeful by helping others. Why not giving it a try, your action can make our world a better place. There are many variations of passages of Lorem Ipsum available.
Happiness is truely come from the inside. Our life will be more meaningful and purposeful by helping others. Your kind help can make our world a better place.
Please send me a message to let me know what do you think about me. I would love to here Repellendus, deleniti recusandae. Esse incidunt rem repellendus ab voluptates maxime? Nemo, numquam!
Danny is a kind man with a warm heart. Quidem architecto consequuntur ratione, obcaecati corrupti deserunt.
Lorem ipsum dolor sit, amet consectetur adipisicing elit. Repellendus, deleniti recusandae.
Danny always deliver high-quality lessons to his students, and he has done his best to motivate them to achieve their goals
Lorem ipsum dolor sit, amet consectetur adipisicing elit. Repellendus, deleniti recusandae.
Danny is a kind man with a warm heart. Quidem architecto consequuntur ratione, obcaecati corrupti deserunt.
Danny always deliver high-quality lessons to his students, and he has done his best to motivate them to achieve their goals


1 2 XML toolkit from the GNOME project 3 4 Full documentation is available on-line at 5 http://xmlsoft.org/ 6 7 This code is released under the MIT Licence see the Copyright file. 8 9 To build on an Unixised setup: 10 ./configure ; make ; make install 11 if the ./configure file does not exist, run ./autogen.sh instead. 12 To build on Windows: 13 see instructions on win32/Readme.txt 14 15 To assert build quality: 16 on an Unixised setup: 17 run make tests 18 otherwise: 19 There is 3 standalone tools runtest.c runsuite.c testapi.c, which 20 should compile as part of the build or as any application would. 21 Launch them from this directory to get results, runtest checks 22 the proper functionning of libxml2 main APIs while testapi does 23 a full coverage check. Report failures to the list. 24 25 To report bugs, follow the instructions at: 26 http://xmlsoft.org/bugs.html 27 28 A mailing-list<EMAIL_ADDRESS>is available, to subscribe: 29 http://mail.gnome.org/mailman/listinfo/xml 30 31 The list archive is at: 32 http://mail.gnome.org/archives/xml/ 33 34 All technical answers asked privately will be automatically answered on 35 the list and archived for public access unless privacy is explicitly 36 required and justified. 37 38 Daniel Veillard 39 40 $Id$


|
Tomorrow
(Avril Lavigne) |
|
And
I wanna believe you
When you tell me that it will be ok Ya I try to believe you But I don't When you say that It's gonna be It always turn out to be different way I try to believe you Not today, today, today, today, today I don't know how I'll feel Tomorrow, tomorrow I don't know what to say Tomorrow, tomorrow is a different day (Tomorrow) It's always been up to you It's turning around it's up to me I'm gonna do what I have to do Just don't Give me a little time Leave me alone a little while Maybe it's not to late Not today, today, today, today, today I don't know how I'll feel Tomorrow, tomorrow I don't know what to say Tomorrow, tomorrow is a different day Hey yeah yeah, hey yeah yeah And I know I'm not ready Hey yeah yeah, hey yeah yeah Maybe tomorrow Hey yeah yeah, hey yeah yeah yeah yeah I'm not ready Hey yeah yeah, hey yeah yeah Maybe tomorrow And I want to believe you When you tell me that it will be ok Yeah I try to believe you Not today, today, today, today, today Tomorrow it may change... Tomorrow it may change... Tomorrow it may change... Tomorrow it may change |
|
|


The Theodor Pallady Museum is a museum situated in one of the oldest surviving merchant houses in Bucharest, Romania. It includes many works by the well-known Romanian painter Theodor Pallady, as well as a number of European and Oriental furniture pieces.


Entry
public class Entry: Widget
The Entry
widget is a single line text entry widget. A fairly large set of
key bindings are supported by default. If the entered text is longer than
the allocation of the widget, the widget will scroll so that the cursor
position is visible.
When using an entry for passwords and other sensitive information, it can be
put into “password mode” using Entry.visibility
property. In this mode,
entered text is displayed using a “invisible” character. By default, GTK+
picks the best invisible character that is available in the current font,
but it can be changed with Entry.invisibleCharacter
property. Since 2.16,
GTK+ displays a warning when Caps Lock or input methods might interfere with
entering text in a password entry. The warning can be turned off with the
Entry.capsLockWarning
property.
Since 2.16, Entry
has the ability to display progress or activity
information behind the text. To make an entry display such information, use
Entry.progressFraction
property or Entry.progressPulseStep
property.
Additionally, Entry
can show icons at either side of the entry. These
icons can be activatable by clicking, can be set up as drag source and can
have tooltips. To add an icon, use Entry.setIcon(fromGicon:)
or one of the
various other functions that set an icon from a stock id, an icon name or a
pixbuf. To trigger an action when the user clicks an icon, connect to the
Entry.iconPressSignal
. To allow Drug and Drop operations from an icon, use
Entry.setIconDragSource(iconPosition:targetList:action)
. To set a tooltip
on an icon, use `Entry.setIconTooltipText(_:forIconPosition:) or the
corresponding function for markup.
Note that functionality or information that is only available by clicking on an icon in an entry may not be accessible at all to users which are not able to use a mouse or other pointing device. It is therefore recommended that any such functionality should also be available by other means, e.g. via the context menu of the entry.
-
Parameter
Parameter entry: the entry on which the signal is emittedParameter
Parameter step: the granularity of the move, as aMovementStep
Parameter
Parameter count: the number ofstep
units to moveParameter
Parameter extendSelection:true
if the move should extend the selectionDeclaration
Swift
public typealias MoveCursorCallback = (entry: Entry, step: MovementStep,
Parameters
entry
the entry on which the signal is emitted
step
the granularity of the move, as a
MovementStep
count
the number of
step
units to moveextendSelection
true
if the move should extend the selection -
Parameter
Parameter entry: the entry on which the signal is emittedParameter
Parameter preedit: the current preedit stringDeclaration
Swift
public typealias PreeditChangedCallback = (entry: Entry, preedit: String)
Parameters
entry
the entry on which the signal is emitted
preedit
the current preedit string
-
Parameter
Parameter entry: the entry on which the signal is emittedParameter
Parameter text: the string to insertDeclaration
Swift
public typealias InsertAtCursorCallback = (entry: Entry, text: String) -> Void
Parameters
entry
the entry on which the signal is emitted
text
the string to insert
-
Parameter
Parameter entry: the entry on which the signal is emittedParameter
Parameter type: the granularity of the deletion, as aDeleteType
Parameter
Parameter count: the number oftype
units to deleteDeclaration
Swift
public typealias DeleteFromCursorCallback = (entry: Entry, type: DeleteType,
Parameters
entry
the entry on which the signal is emitted
type
the granularity of the deletion, as a
DeleteType
count
the number of
type
units to delete -
Declaration
Swift
public enum IconPosition: RawRepresentable
-
Describes primary purpose of the input widget. This information is useful for on-screen keyboards and similar input methods to decide which keys should be presented to the user.
Note that the purpose is not meant to impose a totally strict rule about allowed characters, and does not replace input validation. It is fine for an on-screen keyboard to let the user override the character set restriction that is expressed by the purpose. The application is expected to validate the entry contents, even if it specified a purpose.
The difference between
.Digits
and.Number
is that the former accepts only digits while the latter also some punctuation (like commas or points, plus, minus) and “e” or “E” as in 3.14E+000.This enumeration may be extended in the future; input methods should interpret unknown values as “free form”.
See moreDeclaration
Swift
public enum InputPurpose: RawRepresentable
-
Describes hints that might be taken into account by input methods or applications. Note that input methods may already tailor their behaviour according to the
InputPurpose
of the entry.Some common sense is expected when using these flags - mixing
.Lowercase
with any of the uppercase hints makes no sense.This enumeration may be extended in the future; input methods should ignore unknown values.
See moreSince
3.6Declaration
Swift
public struct InputHints: OptionSet
-
Creates a new entry.
Declaration
Swift
public convenience init()
-
Creates a new entry with the specified text buffer.
Parameter
Parameter buffer: the buffer to use for the newEntry
.Declaration
Swift
public init(buffer: EntryBuffer)
Parameters
buffer
the buffer to use for the new
Entry
.
-
Unsets the invisible char previously set with
Entry.invisibleCharacter
property. So that the default invisible char is used again.Since
2.16Declaration
Swift
public func unsetInvisibleCharacter()
-
Indicates that some progress is made, but you don’t know how much. Causes the entry’s progress indicator to enter “activity mode,” where a block bounces back and forth. Each call to
Entry.progressPulse()
causes the block to move by a little bit (the amount of movement per pulse is determined byEntry.progressPulseStep
property).Declaration
Swift
public func progressPulse()
-
Sets the icon shown in the entry at the specified position from the current icon theme.
If the icon name isn’t known, a “broken image” icon will be displayed instead.
If
iconName
isnil
, no icon will be shown in the specified position.Parameter
Parameter iconName: an icon name, ornil
.Parameter
Parameter position: the position at which to set the iconDeclaration
Swift
public func setIcon(fromIconName iconName: String?, forIconPosition position: IconPosition)
Parameters
iconName
an icon name, or
nil
.position
the position at which to set the icon
-
Gets the type of representation being used by the icon to store image data. If the icon has no image data, the return value will be
.Empty
.Parameter
Parameter position: icon position
Returns
image representation being used
Declaration
Swift
public func getIconStorageType(forIcon position: IconPosition) -> ImageType
Parameters
position
icon position
Return Value
image representation being used
-
Retrieves the icon name used for the icon, or
nil
if there is no icon or if the icon was set by some other method (e.g., by pixbuf, stock or gicon).Parameter
Parameter position: icon position
Returns
An icon name, or
nil
if no icon is set or if the icon wasn’t set from an icon name.Since
2.16
Declaration
Swift
public func getIconName(forIcon position: IconPosition) -> String?
Parameters
position
icon position
Return Value
An icon name, or
nil
if no icon is set or if the icon wasn’t set from an icon name. -
Sets whether the icon is activatable.
Parameter
Parameter activable:true
if the icon should be activatableParameter
Parameter position: icon position
Since
2.16
Declaration
Swift
public func setActivable(_ activable: Bool, iconWithPosition position: IconPosition)
Parameters
activable
true
if the icon should be activatableposition
icon position
-
Returns whether the icon is activatable.
Parameter
Parameter position: icon position
Returns
true
if the icon is activatable.Since
2.16
Declaration
Swift
public func getActivableForIcon(withPosition position: IconPosition) -> Bool
Parameters
position
icon position
Return Value
true
if the icon is activatable. -
Sets the sensitivity for the specified icon.
Parameter
Parameter activable:true
if the icon should be activatableParameter
Parameter sensitive: specifies whether the icon should appear sensitive or insensitive
Since
2.16
Declaration
Swift
public func setSensitive(_ sensitive: Bool, iconWithPosition position: IconPosition)
Parameters
activable
true
if the icon should be activatablesensitive
specifies whether the icon should appear sensitive or insensitive
-
Returns whether the icon appears sensitive or insensitive.
Parameter
Parameter position: icon position
Returns
true
if the icon is sensitive.Since
2.16
Declaration
Swift
public func getSensitiveForIcon(withPosition position: IconPosition) -> Bool
Parameters
position
icon position
Return Value
true
if the icon is sensitive. -
Finds the icon at the given position and return its index. The position’s coordinates are relative to the entry ’s top left corner. If
x
,y
doesn’t lie inside an icon, -1 is returned. This function is intended for use in aEntry.queryTooltipSignal
handler.Parameter
Parameter x: the x coordinate of the position to findParameter
Parameter y: the y coordinate of the position to find
Returns
the index of the icon at the given position, or -1
Since
2.16
Declaration
Swift
public func getIconIndex(atX x: Int, andY y: Int) -> Int
Parameters
x
the x coordinate of the position to find
y
the y coordinate of the position to find
Return Value
the index of the icon at the given position, or -1
-
Sets tooltip as the contents of the tooltip for the icon at the specified position.
Use
nil
for tooltip to remove an existing tooltip.Parameter
Parameter text: the contents of the tooltip for the icon, ornil
.Parameter
Parameter position: the icon position
See also
SeeAlso
Widget.tooltipText
andEntry.setTooltipMarkup(_:forIconAtPosition:)
.Declaration
Swift
public func setTooltipText(_ text: String?, forIconAtPosition position: IconPosition)
Parameters
text
the contents of the tooltip for the icon, or
nil
.position
the icon position
-
Gets the contents of the tooltip on the icon at the specified position in entry.
Parameter
Parameter position: the icon position
Returns
the tooltip text, or
nil
.Declaration
Swift
public func getTooltipTextForIcon(withPosition position: IconPosition) -> String?
Parameters
position
the icon position
Return Value
the tooltip text, or
nil
. -
Sets tooltip as the contents of the tooltip for the icon at the specified position. tooltip is assumed to be marked up with the Pango text markup language.
Use
nil
for tooltip to remove an existing tooltip.See also
Widget.tooltipMarkup
and `Entry.setTooltipText(_:forIconAtPosition:).Parameter
Parameter markup: the contents of the tooltip for the icon, or
nil
.Parameter
Parameter position: the icon position
See also
SeeAlso
Widget.tooltipText
andEntry.setTooltipMarkup(_:forIconAtPosition:)
.Declaration
Swift
public func setTooltipMarkup(_ markup: String?, forIconAtPosition position: IconPosition)
Parameters
markup
the contents of the tooltip for the icon, or
nil
.position
the icon position
-
Gets the contents of the tooltip on the icon at the specified position in entry.
Parameter
Parameter position: the icon position
Returns
the tooltip text, or
nil
.Declaration
Swift
public func getTooltipMarkupForIcon(withPosition position: IconPosition) -> String?
Parameters
position
the icon position
Return Value
the tooltip text, or
nil
.
-
Text buffer object which actually stores entry text.
Since
2.18Declaration
Swift
public var buffer: EntryBuffer
-
The contents of the entry.
Default value: “”
See also
EntryBuffet.text
propertyDeclaration
Swift
public var text: String
-
Declaration
Swift
public var length: UInt
-
The area where the entry’s text is drawn. This property is useful when drawing something to the entry in a draw callback.
If the entry is not realized, textArea is filled with zeros.
Since
3.0Declaration
Swift
public var textArea: Rectangle
-
false
displays theinvisible char
instead of the actual text (password mode).Default value:
true
Declaration
Swift
public var visibility: Bool
-
The invisible character is used when masking entry contents (in
password mode
). When it is not explicitly set with theEntry.invisibleCharacter
property, GTK+ determines the character to use from a list of possible candidates, depending on availability in the current font.This style property allows the theme to prepend a character to the list of candidates.
Default value:
*
Since
2.18Declaration
Swift
public var invisibleCharacter: Character
-
Maximum number of characters for this entry. Zero if no maximum.
Allowed values: 0…65535
Default value: 0
Declaration
Swift
public var maxLenght: Int
-
Whether to activate the default widget (such as the default button in a dialog) when Enter is pressed.
Default value:
false
Declaration
Swift
public var activatesDefault: Bool
-
false
removes outside bevel from entry.Default value:
true
Declaration
Swift
public var hasFrame: Bool
-
Number of characters to leave space for in the entry.
Allowed values: >= -1
Default value: -1
Declaration
Swift
public var widthCharcters: Int
-
The desired maximum width of the entry, in characters. If this property is set to -1, the width will be calculated automatically.
Allowed values: >= -1
Default value: -1
Since
3.12Declaration
Swift
public var maxWidthCharcters: Int
-
The horizontal alignment, from 0 (left) to 1 (right). Reversed for Right To Left layouts.
Allowed values: 0…1
Default value: 0
Since
2.4Declaration
Swift
public var alignment: Double
-
The text that will be displayed in the
Entry
when it is empty and unfocused.Default value:
nil
Since
3.2Declaration
Swift
public var placeholder: String?
-
Declaration
Swift
public var overwriteMode: Bool
-
Hooks up an adjustment to the cursor position in an entry, so that when the cursor is moved, the adjustment is scrolled to show that position.
The adjustment has to be in pixel units and in the same coordinate system as the entry.
Since
2.12Declaration
Swift
public var cursorHorizontalAdjustment: Adjustment?
-
The current fraction of the task that’s been completed.
Allowed values: 0…1
Default value: 0
Since
2.16Declaration
Swift
public var progressFraction: Double
-
The fraction of total entry width to move the progress bouncing block for each call to
Entry.progressPulse()
.Allowed values: 0…1
Default value: 0.1
Since
2.16Declaration
Swift
public var progressPulseStep: Double
-
The purpose of this text field.
This property can be used by on-screen keyboards and other input methods to adjust their behaviour. Note that setting the purpose to
.Password
or.Pin
is independent from settingEntry.visibility
.Default value:
.FreeForm
Since
3.6Declaration
Swift
public var inputPurpose: InputPurpose
-
Additional hints (beyond
Entry.inputPurpose
) that allow input methods to fine-tune their behaviour.Since
3.6Declaration
Swift
public var inputHints: InputHints
-
The
::activate
signal is emitted when the user hits the Enter key.While this signal is used as a keybinding signal, it is also commonly used by applications to intercept activation of entries.
The default bindings for this signal are all forms of the Enter key.
Declaration
Swift
public lazy var activateSignal:
-
The
::backspace
signal is a keybinding signal which gets emitted when the user asks for it.The default bindings for this signal are Backspace and Shift-Backspace.
Declaration
Swift
public lazy var backspaceSignal:
-
The
::copy-clipboard
signal is a keybinding signal which gets emitted to copy the selection to the clipboard.The default bindings for this signal are Ctrl-c and Ctrl-Insert.
Declaration
Swift
public lazy var copyClipboardSignal:
-
The
::cut-clipboard
signal is a keybinding signal which gets emitted to cut the selection to the clipboard.The default bindings for this signal are Ctrl-x and Shift-Delete.
Declaration
Swift
public lazy var cutClipboardSignal:
-
The
::delete-from-cursor
signal is a keybinding signal which gets emitted when the user initiates a text deletion.If the type is
.Characters
, GTK+ deletes the selection if there is one, otherwise it deletes the requested number of characters.The default bindings for this signal are Delete for deleting a character and Ctrl-Delete for deleting a word.
Declaration
Swift
public lazy var deleteFromCursorSignal:
-
The
::delete-from-cursor
signal is a keybinding signal which gets emitted when the user initiates a text deletion.If the type is
.Characters
, GTK+ deletes the selection if there is one, otherwise it deletes the requested number of characters.The default bindings for this signal are Delete for deleting a character and Ctrl-Delete for deleting a word.
Declaration
Swift
public lazy var insertAtCursorSignal:
-
The
::move-cursor
signal is a keybinding signal which gets emitted when the user initiates a cursor movement. If the cursor is not visible in entry , this signal causes the viewport to be moved instead.Applications should not connect to it, but may emit it with
Signal.emit()
if they need to control the cursor programmatically.The default bindings for this signal come in two variants, the variant with the Shift modifier extends the selection, the variant without the Shift modifer does not. There are too many key combinations to list them all here. - Arrow keys move by individual characters/lines - Ctrl-arrow key combinations move by words/paragraphs - Home/End keys move to the ends of the buffer
Declaration
Swift
public lazy var moveCursorSignal:
-
The
::paste-clipboard
signal is a keybinding signal which gets emitted to paste the contents of the clipboard into the text view.The default bindings for this signal are Ctrl-v and Shift-Insert.
Declaration
Swift
public lazy var pasteClipboardSignal:
-
If an input method is used, the typed text will not immediately be committed to the buffer. So if you are interested in the text, connect to this signal.
Since
2.20Declaration
Swift
public lazy var preeditChangedSignal:
-
The ::toggle-overwrite signal is a keybinding signal which gets emitted to toggle the overwrite mode of the entry.
The default bindings for this signal is Insert.
Declaration
Swift
public lazy var toggleOverwriteSignal:


Chapter 10. Configuration: Starting on the Right Foot
Let us watch well our beginnings, and results will manage themselves.
—Alexander Clark
Under Unix, programs can communicate with their environment in a rich variety of ways. It's convenient to divide these into (a) startup-environment queries and (b) interactive channels. In this chapter, we'll focus primarily on startup-environment queries. The next chapter will discuss interactive channels.
|


The column visibility plug-in for the DataTables Buttons extension provides a suite of buttons that can be used to very easily control the visibility of columns in a table.


= View::instance()->render('header.html') ?>
Found one match.
Found = count($postings) ?> matches.
! : reverse search
=,>,< : logical operation
% : like search
~ : Basic regexp


What is clustering?
- Clustering is the task of dividing the data points into a number of groups such that data points in the same groups are more similar to other data points in the same group and dissimilar to the data points in other groups.
- It is basically a collection of objects on the basis of similarity and dissimilarity between them.
- For example- The data points in the graph below clustered together can be classified into one single group. We can distinguish the clusters, and we can identify that there are 3 clusters in the below picture.
Why Clustering ?
- Clustering is very much important as it determines the intrinsic grouping among the unlabeled data present.
- There are no criteria for a good clustering.
- It depends on the user, what is the criteria they may use which satisfy their need.
This algorithm must make some assumptions which constitute the similarity of points and each assumption make different and equally valid clusters.
Clustering Methods :
1. Density-Based Methods :
- These methods consider the clusters as the dense region having some similarity and different from the lower dense region of the space.
- These methods have good accuracy and ability to merge two clusters.
- Example DBSCAN (Density-Based Spatial Clustering of Applications with Noise)
2. Hierarchical Based Methods :
- The clusters formed in this method forms a tree-type structure based on the hierarchy.
- New clusters are formed using the previously formed one. It is divided into two category
- Agglomerative (bottom up approach)
- Divisive (top down approach)
3. Partitioning Methods :
- These methods partition the objects into k clusters and each partition forms one cluster.
- This method is used to optimize an objective criterion similarity function such as when the distance is a major parameter example K-means.
4.Grid-based Methods :
- In this method the data space is formulated into a finite number of cells that form a grid-like structure.
- All the clustering operation done on these grids are fast and independent of the number of data objects example STING (Statistical Information Grid), wave cluster, CLIQUE (CLustering In Quest) etc.
- We shall discuss the most used clustering algorithms in detail.
1. K-means Clustering
2.Agglomerative Hierarchical Clustering
3.DBSCAN
1. K-means Clustering
It is the simplest unsupervised learning algorithm that solves clustering problem.
K-means algorithm partition n observations into k clusters where each observation belongs to the cluster with the nearest mean serving as a prototype of the cluster .
Steps involved in K-means clustering algorithm:
Step 1 : Choose the number K of clusters.Here we choose K=2
Step 2 : Select at random K points the centroids(not necessarily from dataset)
Step 3 : Assign each data point to the closest centroid.(They form K clusters)
Step 4 :Compute and place the new centroid of each cluster.
Step 5 : Reassign each data point to new closest centroid.if any reassignment took place, go to Step 4, if not model is FINISHED.,Here reassignment took place so we go back to Step 4.
Repeat Step 5 until no reassignment, here reassignment doesnt take place,therefore model is completed.
How to choose optimal value of number of clusters:
Elbow Method:
- First we calculate WCSS(Within-Cluster-Sum-of-Squares).
- WCSS is illustrated in the below example.
- After calculating WCSS , we plot a graph between number of clusters and WCSS.
- From the above graph we can observe that after a certain point WCSS values keep on decreasing and it formed a elbow shape .
- Which is the optimal value of clusters that can be choosen for the given dataset, here elbow is formed at number of clusters=3 ,
therefore the optimal number of clusters for that dataset are 3.
2. Agglomerative Hierarchical Clustering
- Steps involved in Agglomerative Hierarchical Clustering: Step 1 :Make each data point a single-point cluster( Which forms N clusters.)
Step 2 :Take the two closest data points and make them one cluster.(Which forms N-1 clusters) To choose the distance between clusters there are few methods ,they are:
Complete linkage: similarity of the farthest pair. One drawback is that outliers can cause merging of close groups later than is optimal.
Single-linkage: similarity of the closest pair. This can cause premature merging of groups with close pairs, even if those groups are quite dissimilar overall.
Group average: similarity between groups.
Centroid similarity: each iteration merges the clusters with the most similar central point
Step 3 :Take the two closest clusters and make them one cluster(Which forms N-2 clusters)
Step 4 : Repeat Step 3 until there is only one cluster, Finsihed.
- We choose number of clusters in Agglomerative Hierarchical Clustering using dendograms
3. DBSCAN
- Partitioning methods (K-means, PAM clustering) and hierarchical clustering work for finding spherical-shaped clusters or convex clusters., they are suitable only for compact and well-separated clusters.
- They are also severely affected by the presence of noise and outliers in the data.
- Real life data may contain irregularities, like – i) Clusters can be of arbitrary shape such as those shown in the figure below. ii) Data may contain noise.
- To overcome these disadvantages of mentioned algorithms DBSCAN algorithm is used.
- The DBSCAN algorithm is based on this intuitive notion of “clusters” and “noise”.
- The key idea is that for each point of a cluster, the neighborhood of a given radius has to contain at least a minimum number of points.
Steps involved in DBSCAN algorithm –
Step 1 : Find all the neighbor points within eps and identify the core points or visited with more than MinPts neighbors.
Step 2 : For each core point if it is not already assigned to a cluster, create a new cluster.
Step 3 : Find recursively all its density connected points and assign them to the same cluster as the core point. A point a and b are said to be density connected if there exist a point c which has a sufficient number of points in its neighbors and both the points a and b are within the eps distance. This is a chaining process. So, if b is neighbor of c, c is neighbor of d, d is neighbor of e, which in turn is neighbor of a implies that b is neighbor of a.
Step 4 : Iterate through the remaining unvisited points in the dataset. Those points that do not belong to any cluster are noise
You can learn more about this topic fromhere.


First, last, whatever you choose to go by!
Pick something you can remember!

Don't know why we're asking, but...
For now, just put a link to a jpg hosted online.


@* * Copyright 2021 HM Revenue & Customs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *@ @(params: Map[String, Any]) @uk.gov.hmrc.hmrcemailrenderer.templates.helpers.html.template_main(params, "Reminder to provide fraud prevention headers") {
Dear @params("developerName")
Our API call logs show that between @params("fromDate") and @params("toDate") no fraud prevention headers were submitted from @params("applicationName") (id: @params("applicationId")) to our VAT Making Tax Digital (MTD) APIs.
We understand this is a difficult time due to coronavirus (COVID-19) but we still need to help protect your user's data. If you have developer capacity, it's important to start sending fraud prevention headers.
We'll continue to monitor API call logs and give you feedback every month to help you do this. We'd like to reassure you that we'll continue to accept VAT MTD calls, including headers that are incorrect or missing.
You need to send header data with every request made by your application. Currently, your application is missing all of the header data.
Supplying header information for our VAT (MTD) APIs is required by law.
Due to the coronavirus (COVID-19) pandemic, we're having to focus our resources on essential activities. We may not be able to help you with header queries as quickly as we usually do.
If you need to contact us, email SDSTeam@@hmrc.gov.uk
This email address is registered as the point of contact for the application @params("applicationName").
If you are not the right person to receive this email, please forward it to the relevant person in your organisation.
From HMRC Transaction Monitoring Team
}


| Basic Sorting | ||
|---|---|---|
| Row 1 | Sample Content 1 | Sample Content 1 |
| Row 2 | Sample Content 2 | Sample Content 2 |
| Row 3 | Sample Content 3 | Sample Content 3 |
| Row 4 | Sample Content 4 | Sample Content 4 |
| Row 5 | Sample Content 5 | Sample Content 5 |
| Row 6 | Sample Content 6 | Sample Content 6 |
| Row 7 | Sample Content 7 | Sample Content 7 |


kmdkrazy
02-Dec-19 10:05 AM
it really sounds like it is mining right before it starts waiting
trying to make a timer show lenght of time since last block
using csv file atm - im sure I could querry something you know of easier
parsing is fundimental - so I am learning - but would love a quick fix
with open('time.csv') as csv_file:
csv_reader = csv.reader(csv_file, delimiter=',')
f = open("time.csv","r")
if f.mode == "r":
LBTtime = f.read
nowtime = (time.time())
sincetime = (nowtime - LBTtime)
TypeError: unsupported operand type(s) for -: 'float' and 'builtin_function_or_method'


- Application of a Mathematical Modelling Tool for the Evaluation of Hydrological Parameters using Conventional Survey and Drone Survey (IJTIMES) Impact Factor: 5.22 (SJIF-2017), e-ISSN: 2455-2585 Volume 5, Issue 04, April-2019
- Applications of nanotechnology in transportation infrastructures JETIR March 2019, Volume 6, Issue 3, (ISSN-2349-5162)
- Innovations in Transforming a TraditionalBuilding into Green Building IFERP, Feb,2018,ISSN (Online) 2456-1290
- Life Cycle Cost Analysis- A Decision MakingTool for Implementation of Green InfrastructureProjects IFERP, Feb,2018,ISSN (Online) 2456-1290
- Removal of dyes from textile effluent using bamboo waste as low cost adsorbent Journal of Public Health Engineering, July 2016,Vol.XXXXIV, No. 2, pp. 25-31
- Preparation and characterization of activated carbon from bamboo by chemical activation Journal of Catalyst Catalysis, 2016, Vol. 3, No. 1, pp. 1-6
- Application of Porous Concrete for Tunnel Lining (IFERP) Feb,2017,ISSN 2456-1290 (Special Issue)
- Innovative Technologies of Non-recyclable waste as replacement in transportation engineering IJESIRD : Vol. III, Issue X, April 2017,ISSN: 2349-6185
- Optimization of a Smart Road Junction International Journal of Engineering Research in Mechanical an Civil Engineering (IJERMCE) (Special Issue)
- An Innovative Approach of using Geo polymer based Fiber Reinforced Concrete International Journal of Innovative Research in Science, Engineering and Technology Vol.6, Issue 7, July 2017. (ISSN-2347-6710)
- Innovations in Transforming a Traditional Building into Green Building IJERMCE,Feb,2018,ISSN 2456-1290
Publication In Journals
Publication International and National Conferences
- Bokil, S. A., and Rai, R. K., "Advanced treatments for sustainable textile waste water management: kinetic studies Indian Water Works Association" Kolkata Centre, 47th Annual Convention on Sustainable Technology Solutions for Water Management, 2015.
- Bokil, S. A., and Rai, R. K.,"Application of adsorption as an treatment for the textile industry effluent by using non conventional adsorbent,” International Conference on, Advances in Civil and Mechanical Engineering Systems, Government College of Engineering, Amravati, ACMES-2014.
- Bokil, S. A., Rai, R. K., and Kaul, S. N.,"Innovative techniques for recycle and reuse of textile wastewater by agriculture wastes as low cost adsorbent" ASCE, International Conference on Sustainable Civil Infrastructure, (ICSCI 2014), IIT Hyderabad.
- Bokil, S. A., and Rai, R. K.,"Low cost adsorbents for the removal of dyes from industrial wastewaters" National Conference on, Advances in Civil and Structural Engineering, Goverment College of Engineering, Karad, NCACSE-14, 2014.
- Bokil, S. A., Rai, R. K., and Kaul, S. N.,"Application of agriculture waste as low cost adsorbent for the recycle and reuse of textile waste waters" AICTE, National Seminar on, Recent practices and applications in Civil Engineering, Walcand College of Engg, June 2013.
- Bokil, S. A., Rai, R. K., and Kaul, S. N.,"Innovative methods of recycling textile waste waters by low cost adsorbents" International Summit on, Waste Water Technology for Green Economy, May 2013.
- Bokil, S. A., Rai, R. K., and Kaul, S. N.,"Recycle of textile waste waters by low cost adsorbents: adsorption equilibrium" National Conference on, Emerging Technologies for Sustainable Developments, Department of Technology, Shivaji University, Kolhapur, Maharashtra, 2012.


DPC office sports a lush veggie garden
25 varieties of vegetables grown on premises by police personnel
by Staff ReporterAs you enter the compound, it is not easy to overlook the rows of plants heavy with vegetables on both sides of the pathway. Sitting behind the lush greenery is a brightly coloured building, which serves as an efficient law and order centre.
Thanks to a group of policemen-turned part-time farmers, the office of the District Police Chief (DPC) in Kottayam now boasts a model organic vegetable garden on its premises.
Begun a few months ago at a cost of ₹1 lakh allotted under the Institutional Farming Scheme, the garden currently boasts as many as 25 varieties of vegetable plants that grow in columns, besides green houses and a compost unit.
Arid hitherto
Farming operations in the District Police Headquarters compound, which remained largely arid till recently, are being carried out in association with the Haritha Keralam Mission, Department of Agriculture and the Kottayam municipality. Almost all officers posted at the office here have signed up as volunteers, dedicating a part of their off-duty hours to work on the farm.
According to officers, the farm now produces enough vegetables to fulfil the needs of officers on duty here. “Since the produce are not up for commercial sale, we usually auction it among ourselves,” said an officer.
Larger scale
Following the first season of harvest, the police have also expanded the area under crop and look set to produce on a larger scale.
Officers hope the green initiative will help the way people look at police offices. “Police work is indeed an all-consuming profession and still we managed to find time for an initiative that should serve as a model for many,” said a senior officer.


The interactive scripts `aw2giw` and `aw2gtau` calculate the Green's function (either on the imaginary time axis or on the Matsubara axis) from a given spectral function. The latter is read from a two-column (first column: frequency, second column: spectral function) file.
hk2gwfw
is an interactive script which processes a Hamiltonian in the *.hk
format. Output is one of the following:
Calculations can be done either on the real frequency axis, or on the Matsubara axis. What exactly to print is decided by the user. For instance, you can print only diagonal or only nondiagonal elements. For complex quantities, you can print the real part, the imaginary part, both (two columns) or the absolute value.
You need:
hk2gwawfw
)hk2gwawfw
)Adjust the first three lines of Makefile
accordingly and run
make all
This will create three executables: aw2giw.o
, aw2gtau.o
, and hk2gwawfw.o
. All three codes are interactive, simply execute them. Sample spectral functions and H(k) Hamiltonians can be found in the folder examples
.
(needs MathJax, or check in readme.pdf
) From a spectral function to the corresponding non-interacting Green's function:
$$
G(\tau) = \int_{\omega_{min}}^{\omega_{max}}{d\omega \frac{e^{(\mu-\omega)\tau}}{1 + e^{(\mu-\omega)\beta}}A(\omega)}
$$
$$
G(i\omega_n) = \int_{\omega_{min}}^{\omega_{max}}{d\omega \frac{1}{i\omega_n - \omega + \mu}A(\omega)}
$$
From a matrix-valued non-interacting Hamiltonian to the corresponding matrix-valued Green's function (real and Matsubara axes):
$$
{\bf G}(\omega) = \frac{1}{N_k}\sum_{k=1}^{N_k}\left[\left(\omega+i\delta+\mu\right){\bf 1}-{\bf H}(k)\right]^{-1}
$$
$$
{\bf G}(i\omega_n) = \frac{1}{N_k}\sum_{k=1}^{N_k}\left[\left(i\omega_n+\mu\right){\bf 1}-{\bf H}(k)\right]^{-1}
$$
From a matrix-valued non-interacting Hamiltonian to the corresponding matrix-valued hybridization function (real and Matsubara axes):
$$
{\bf \Delta}(\omega) = \left(\omega+\mu\right){\bf 1}-{\bf G}(\omega)^{-1}
$$
$$
{\bf \Delta}(i\omega_n) = \left(i\omega_n+\mu\right){\bf 1}-{\bf G}(i\omega_n)^{-1}
$$


About Skyler
- Does Skyler enjoy romantic comedy films? : No
- Would Skyler be happy to discuss the first 8 out of 10 Hellraiser films with you? : Yes
- Is Mod Podge Skyler's favorite craft supply? : Yes
- Does Skyler know how to play the trumpet?: No
- Has Skyler ever visted Montana? : No
Skyler's Favorite Hellraiser Movies:
(In Order From Best to Worst)
- Hellbound: Hellraiser II
- Hellraiser
- Hellraiser: Bloodline (IV)
- Hellraiser III: Hell on Earth
- Hellraiser: Hellworld (VIII)
- Hellraiser: Hellseeker (VI)
- Hellraiser: Inferno (V)
- Hellraiser: Deader (VII)


Babylon
Babylon: four pages
Our coaches assigned us to create a four-page website about a company we invented. The pages needed to be divided amongst the members of the group (4), each needed to design a page. Once finished the pages needed to be joined together on one page and published in one repository. The project is on Github because it's easier to collaborate with eachother and the other groups can evaluate the website and check off all te requirements for the project.
The website needed to have:
A parralax image header
Address (if needed)
Maps pinned on the location of the company somewhere on the onepager
A working phone number
Clickable email
A working form
The website needed to be:
Responsive


Developing a way to live.
My Work
A wikipedia spin-off complete with markdown, previews, and premium subscriptions.
A command-line calculator application.
Rails made building a reddit-style forum application easy and fun!
ChatterBox is a lightweight forum/chat application built with Angular and fueled by Fire(base)!
Creating an Angular version of BlocJams proved a fascinating contrast to the JavaScript and React versions.
This re-write of BlocJams uses React and the plyr audio plugin to create a fully functional audio-streaming app.


Pattern Jumpsuit
White and Black Romper
Red Rainbow Romper
Blue Patterned Romper
White Blue Flower Romper
Sleeveless Floral Romper
Navy Blue Neck Haltered Romper
Cross Chest Romper
Black Hippie Romper
Long sleeve Romper
Connect with Gabí Lea and stay "In the know" Sign up for emails, news, exclusive offers, and Gabí Lea updates!!
New members receive 20% OFF first order FREE SIGN UP!
Atlanta, US
Email:GabiLea.LLC@gmail.com


UK Edition
Amazon's Next Move
Exclusive
From Alexa to Drones:
The Jeff Bezos Master Plan
Plus
Product Special
Wired's Ultimate Gear Guide
Lab-made Diamonds
36 Essential Productivity Hacks
Cronuts 2.0!


ANDANTINO
Copyright (c) 1995 David Smith
Andatino is played on a hexagonal tiled infinite plane, let's use a hexagonal 10x10 board:
- TURN - On the first turn, White drops a stone on an adjacent empty cell to the Black stone. After that, each dropped stone must be adjacent to at least two other stones (either color).
- GOAL - Wins the player that achieves one of the following things:
- Makes a 5 in a row of his own stones;
- Fully enclose one or more enemy stones inside 6 or more of his own stones.
An example If White plays at cell [1] to prevent a 5 in a row threat, Black can reply at cell [2], starting to enclose that white stone.
There is a ZRF to play Andantino with Zillions. It's possible to play Andantino on Richard's PbM game server!


Pyxley: Easy Web Applications with Flask and React.js
01:45 PM - 02:10 PM on August 16, 2015, Room 704Nick Kridler
- Audience level:
- intermediate
- Watch:
- http://youtu.be/WG2HZeG6zxE
Description
Flask and React.js are a great combination for building light-weight web applications. We've developed Pyxley to provide a simple framework for building web apps and reduce the need for writing custom Javascript.
Abstract
When I came to Stitch Fix, RStudio’s Shiny was our primary method of sharing insights with our business partners. However, we quickly found ourselves wanting to do things outside the range of Shiny’s capabilities. Rather than forcing myself to endure the torture of writing more R, I turned to React.js. In nearly the same amount of development time, we were able to construct faster, more flexible web applications driven by Flask. In this talk, we will present Pyxley, a library of Python and Javascript React components designed to simplify the development of chart-focused web applications. Pyxley was built on the idea that most dashboards are a series of filters and charts. We will focus on the core Filter and Chart classes and demonstrate how simple it is to integrate with existing Javascript libraries through the React framework.


Welcome to the fifth challenge. We're done with servers—it's time to crack into some hardware.
---
Using the information provided by Swissco, the FBI was able to raid one of Badguy's old hideouts. Inside, they found an encrypted hard drive. It's your job to decrypt it.
On a separate drive, the FBI found a set of binaries that Badguy had used to encrypt and decrypt information. The drive was damaged, so only a few functions still work, and the code itself is too obfuscated for us to read. We're providing you with the
most important binary.
Why is it important? Well, FBI cryptanalysts have determined that Badguy's decryption function was using a
square and multiply algorithm. This function is exported on the binary, with the following signature:
def square_and_multiply(
m,
n,
idx):
"""
Run the square and multiply algorithm for value `m` and modulus `n` up to key bit index `idx`
"""
...
They also determined that Badguy was using a public modulus
N of
773978585664881, and that his private key consisted of
62 bits.
Because this challenge is a little more difficult, we're just going to say it: you need to look into using a
timing attack, based on the square and multiply algorithm, to crack the private key. We're also providing a
skeleton and
utility file right off-the-bat.
Note: When you're ready, run the
decrypt {key} command with the cracked key, expressed in decimal.


[gecode-users] Graph Connectivity Problem
Grégoire Dooms
gregoire.dooms at gmail.com
Tue May 19 21:45:54 CEST 2009
Hi Halit,
You should find the description of a propagator for this constraint on
undirected graphs (as a sub-component of a larger propagator) in this paper:
http://www.springerlink.com/content/25503116766r373x/
In summary, a simple propagator consists in doing a DFS in the graph of all
possible edges and computing all bridges and cutnodes. Include those which
join two biconnected components which you know belong to the graph must
belong to the graph. Discard the connected components which are disjoint
from the main connected component of your graph.
Best,
--
Greg
On Tue, May 19, 2009 at 8:47 AM, Christian Schulte <cschulte at kth.se> wrote:
> Hi Halit,
>
> unfortunately there is no predefined constraint for that. There are two
> options for pulling that of: use reification or implement a propagator to
> enforce connectedness. I think I haven't seen a special constraint for that
> in any system.
>
> Anyway, you might want to not encode that as 0/1 but set variables: in a
> sequence of n variables x, the set for x_n contains the adjacent nodes.
> That
> should be more efficient.
>
> If you are interested in building a propagator, that should be pretty easy.
> The implementation of the circuit constraint will give much of what needs
> to
> be done.
>
> Christian
>
> --
> Christian Schulte, www.ict.kth.se/~cschulte/<http://www.ict.kth.se/%7Ecschulte/>
>
>
> -----Original Message-----
> From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
> Of Halit Erdogan
> Sent: Monday, May 18, 2009 6:42 PM
> To: users at gecode.org
> Subject: [gecode-users] Graph Connectivity Problem
>
> Dear All,
>
> Although it seems a very common problem I could not find any
> information on forcing graph connectedness neither in documentation
> nor in the web archive.
>
> The problem is: I have a matrix "m" representing an undirected graph.
> m(i,j) = 1 means there is an edge between the vertices i and j. I want
> m to represent a connected graph (every pair of distinct vertices in
> the graph ( (i,j) in m) is connected through some path). How can I
> write this as a constraint in gecode?
>
> thanks in advance,
> -halit
>
>
>
> --
> Halit Erdogan
> B.S. Sabanci University
> Computer Science and Engineering
>
> email : halit at su.sabanciuniv.edu
> phone : +90 505 476 75 76
> webpage : http://students.sabanciuniv.edu/~halit/<http://students.sabanciuniv.edu/%7Ehalit/>
>
> _______________________________________________
> Gecode users mailing list
> users at gecode.org
> https://www.gecode.org/mailman/listinfo/gecode-users
>
>
> _______________________________________________
> Gecode users mailing list
> users at gecode.org
> https://www.gecode.org/mailman/listinfo/gecode-users
>
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WWE 2K20 has been patched, includes “improvements to sweat”
by TuffcubThe launch of WWE 2K20 was marred by the huge amount of bugs and glitches found in the game and a patch earlier this month went some way to fixing them. A new fix is now out on Xbox One, PlayStation 4, and PC, “This patch addresses numerous significant community reported concerns, as well as, general stability and polish improvements,” say 2K
Here are the notes.
GENERAL
- Addresses reported crashes throughout the game
- Addresses reported opacity issue causing invisible CAS parts
- Addresses reported crash in custom arenas using imported images
- Improvements to sweat
- Addresses reported input settings not saving (PC only)
CHARACTERS
- General improvements to hair and cloth behavior
- Addresses reported concerns with missing hair and cloth throughout the game
- Addresses reported concerns that images may fail to be correctly displayed on the Superstars’ attire
- Addresses reported concerns of a crash when using DLC CAS parts for MyPLAYERs
- Addresses reported concerns with allowing male face paint color changes to appear correctly in-game
- Addresses reported concerns with CAS parts that may cause hair to float with certain Superstars
- Addresses reported concerns with assigning locked moves when user previews and selects it inside of Move-Set for MyPLAYER
- Addresses reported concerns that CAS T-shirt logos may appear incorrectly in-game
UNIVERSE MODE
- Addresses reported concerns that a crash may occur when selecting a save slot
- Enabled importing Roster and other settings when creating a new Universe save
- Addresses reported concerns that a crash may occur when loading into match for the first time with several creations
- Addresses reported concerns with 6-man tag match
- Addresses reported concerns that a crash my occur when simulating to WrestleMania
GAMEPLAY
- Improvements to strike aiming and dash strikes
- Addresses reported concerns with soft lock-in pin mini-game after performing certain moves
ONLINE
- Addresses reported concerns that a crash may occur in Road to Glory when using DLC CAS parts
- Addresses reported concerns that a crash may occur when downloading Superstars with custom images
- Community Creations: Addresses reported concerns that images may fail to display correctly in Custom Arenas
- Community Creations: Addresses reported concerns of a white texture issue that may occur in downloaded arenas
- Community Creations: Addresses reported concerns that may occur when downloading custom shows with custom arenas and logos
Source: 2K