For Metis Secure Solutions, Oakmont, Pa., and many other security-related companies, green trends provide opportunity.

If there is one thing that is constant in marketing, it's that things are constantly changing, according to Michael Wall, a marketing expert at WashU Olin Business School. As social media users flock to sites that align with their political beliefs, brands face the challenge of connecting with diverse audiences.

If there is one thing that is constant in marketing, it's that things are constantly changing, according to Michael Wall, a marketing expert at WashU Olin Business School. As social media users flock to sites that align with their political beliefs, brands face the challenge of connecting with diverse audiences.

US President Barack Obama and Republican Presidential nominee Mitt Romney debate on October 16, 2012 at Hofstra University in Hempstead, New York. Undecided voters asked questions during a town hall format.; Credit: STAN HONDA/AFP/Getty Images

There continue to be questions about how moderators approach Presidential debates and about whether the extra time President Obama has received in the first two debates indicates moderator bias in his favor. 

I had chalked up the concerns to Republican hyper-partisanship, such as we saw with many Democrats criticizing Jim Lehrer for his moderating — as though Obama would’ve won the first debate if only Lehrer had asserted himself more.   However, even CNN has been doing significant follow-up on its own Candy Crowley’s performance in debate number two. 

Maybe it’s not just hardcore GOP loyalists who are questioning Crowley’s decision-making on when to cut in and when to allow the candidates to take more time. I thought she did pretty well, but there are plenty of critics.

As someone who has moderated hundreds of debates, I thought I’d share my thoughts on what we’ve seen so far in this election. Though I’ve never moderated a Presidential debate, with its incredible level of attention, concern about rules, and demands by campaigns, there are certain fundamentals regardless of the office or issue at stake.

Time Doesn't Matter...Too Much
First, as strange as this may sound, the time taken by each candidate has little to do with who has an advantage.   Yes, it’s always possible for a candidate to use another minute to fire off the defining line of the night. However, the well-practiced zingers or essential policy explainers are not left to the end of a candidate’s statement, as the clock is running out. 

I’m sure Mitt Romney wasn’t thinking after the last debate, “If only I would’ve had that extra 90-seconds, and Obama hadn’t gotten 90 more than he deserved.”  Both men front-loaded their major talking points and were going to get them in. Neither man could legitimately say he didn’t have a chance to make his strongest points. At some point, a time advantage could make a difference in who wins or loses, but an extra 90-seconds in a debate longer than 90-minutes isn’t going to do it.

Serving The Audience
As a moderator, you also have to think about what best serves your audience. I never guarantee candidates equal time, as it’s my job to serve the listeners, not their campaigns. I strive to get close to equal time, but can’t make any guarantee. Some speakers get to the point succinctly and have their points well put together. Others are messier in their arguments and eat up time just building up any head of steam. 

If the moderator holds to a strict time limit, you run the risk of frustrating listeners by cutting off the rambler just as the candidate is getting to the point. There are methods a moderator can use to help guide the speaker toward being more succinct, but there’s no guarantee the person will be able to comply.

Isn’t this inherently unfair to the succinct speaker? No. The purpose of the debate is to allow the ideas to compete.  It’s not a boxing match that’s about landing punches in a given time. The succinct debater has a big advantage, regardless of how much time the candidate has. That’s why Mitt Romney’s victory in the first debate was so lopsided — he won on the conciseness and clarity of his answers, coupled with Obama’s inability to get to his central points.  Obviously, there are those who thought Obama’s arguments were still more compelling than Romney’s, and that Romney lacked essential details.  However, for most viewers of the first debate, it was stylistically no contest.

Equal Time Is Not A Guarantee
When candidates are allowed to talk to each other directly, it’s very difficult to assure equal time. Even CNN’s clock that registers elapsed time for each candidate is subject to squishiness. Unless a debate is extremely formal, with carefully controlled time limits and a ban on candidates following-up with each other, you’re only going to have an approximation of time balance. I thought Crowley did pretty well to land the second debate with the balance she did. I’m not sure I could get it that close for a debate of that length. She had the added challenge of trying to determine when to cut in on President Obama’s lengthier answers. Also, Romney’s speaking rhythm allows more space for interruption. It’s tougher to break in on Obama.

Moderating Is A Balancing Act
Moderators are always trying to balance a need to move on to the next topic with allowing a candidate to answer an opponent’s charge. Sometimes, you open that door for a candidate, only to regret it later when the politician starts into a monologue, instead of confining the response to the previous challenge. Sometimes moderators, having gotten burned, will become less tolerant of such expansive rebuttals, as the debate goes on. Moderators are always juggling competing goals, and it’s a difficult job (at least for me).

Unfortunately, there are those who think debate moderators attempt to influence the outcome of the debate and the performances of the candidates. Maybe I’m naïve, but I can’t imagine any journalist who’s worked hard enough to get to the position of Presidential debate moderator subordinating his or her career in an effort to getting someone elected. Mainstream political journalism is like national sports reporting. You really don’t care who wins the Super Bowl, you want great story lines to explore with your audience. Yes, sports reporters have affinities for the hometown teams of their youth, but that can’t compete with the professional goal of covering great stories. 

Yes, most journalists in mainstream media probably have a stronger cultural and political affinity for Obama, as he’s more like them. However, it doesn’t mean a journalist is going to sacrifice the better story to intentionally provide a benefit to the President.

This content is from Southern California Public Radio. View the original story at SCPR.org.

India's legal system, while respected, grapples with a backlog of over five crore cases. Artificial intelligence offers a potential solution by streamlining legal research, predicting case outcomes, and identifying risks. However, AI's limitations in understanding complex legal concepts and ethical concerns regarding data privacy and potential misuse necessitate human oversight.

The most pressing issue facing EHS professionals in the new year, according to ISHN’s 2015 EHS State of the Nation subscriber survey, is an age-old challenge that has been reported in ISHN State of the Nation surveys since the 1980s – dealing with the safety and health attitudes and behaviors of line employees. Consider:

Event Begins: Thursday, November 14, 2024 6:00pm
Location: Study Center
Organized By: Maize Pages Student Organizations

Hi all,We are excited to invite you to Ratio Christi Meeting this Thursday 11/14 from 6-7 pm! The question for this week is: "How do Christianity and Buddhism  differ?" Our meeting will be held at the Study Center at 611 1/2 E. William St. Ann Arbor. This is a safe space for inquiring about religion and faith. Your perspectives are valued in fostering a thoughtful understanding of these subjects. All are welcome!! There will be pizza! If you are interested in learning more about us, you can join the Ratio Christi Maize page for updates and discussions: Ratio Christi Maize page. We're also active on Instagram: Ratio Christi Instagram page. We are excited to see you all soon and please feel free to reach out with any questions! Sincerely,Ratio Christi Team ????

https://www.cpa.com/system/files/cpa/infographics/top-challenges-facing-firms-performing-pcr-services-onpoint-cpacom_0.pdf

South Korean car maker Kia expects challenging market conditions in the near term due in part to governments' policies but will stick to its target of selling 1.6 million electric vehicles annually by 2030, a senior executive said.

BT’s Derek Cassidy helps us dive deep into the world of subsea cables and explains how they’re managed and protected. Read more: Cable ties: The geopolitical challenges of the internet under the sea

A former Crown prosecutor is bringing a Charter challenge against the Nova Scotia government and the Workers’ Compensation Board over the province’s limit on compensation for injured workers after being diagnosed with post-traumatic stress disorder due to his job.

The union representing Montreal dockworkers is planning a legal challenge of the federal labour minister's decision to end lockouts at ports by sending the disputes to binding arbitration.

ISRO and IIT Madras have launched a Centre of Excellence in Fluid and Thermal Sciences to tackle critical thermal management challenges in spacecraft and launch vehicles. This collaboration, backed by ₹1.84 crore funding, will enable advanced research, helping to improve spacecraft design reliability and longevity. The centre aims to address extreme temperature variations in space, fostering new technologies and experts in space engineering.

Interior Minister Constantinos Ioannou on Wednesday said he was not “indifferent” to the challenges of local government reform and that he in fact “did more than that for which the law provides”. Ioannou was reacting to claims made by Akel that the government had “not shown the necessary fervour” in its efforts to ensure a […]

[New Times] Prime Minister Edouard Ngirente has affirmed the government's commitment to advancing toward the nation's Vision 2050 goals, emphasizing resilience in the face of challenges.

Zendaya revealed that the Challengers cast still stays in touch with a “group chat”.In a conversation besides the star-studded lineup for the cover of Vanity Fair’s 31st Annual Hollywood Issue, the actress revealed what role she plays amongst the members of the...

Nadhmi Al-Nasr’s successor, Aiman al-Mudaifer, currently head of PIF's Local Real Estate Division, will serve as Neom’s acting CEO.  

Bananas takes his feud with Michele past the point of no return.

Longtime Democratic Party strategist James Carville defended his past comments warning that the Democratic Party will lose male voters if it does not change its messaging.

Rep. Juan Ciscomani has been projected as the winner in the race for Arizona's 6th Congressional District, one of the most closely watched House races in the country.

1. 'Red Monster' galaxies in early universe challenge current models of galaxy formation  Nanowerk
2. James Webb Space Telescope’s data unveils galaxies that could lead to a dark matter revolution  The Times of India
3. NASA James Webb Telescope Data Points to Dark Matter Alternative: 10 Key Insights  Moneycontrol
4. ‘Red Monster’: Scientists discover three ultra-massive galaxies, challenging previous formation theories  Business Today
5. James Webb Space Telescope finds galaxies pointing toward a dark matter alternative  Space.com

The Arizona Commerce Authority has announced 15 finalists for its 2024 Arizona Innovation Challenge. Read on to learn more about the participating companies.

Some 100 high school students, pedagogues and psychologists from across Bosnia and Herzegovina (BiH) took part in two youth summits in Teslić and Vogosća this week co-hosted by the OSCE Mission to BiH and the BiH Security Ministry ...

The Q2 2024 results for the DHL Hong Kong Air Trade Leading Index (DTI) have been published.

The AIDS Hope team encourages children in their afterschool program in Mamelodi to share the gospel with the community.

OM Philippines completes their annual mission training and exposure programme in the tribal areas of Palawan, Philippines.

Six young people joined STEP OUT 2014 and an outreach in the Philippines to challenge their comfort zones, and they were not disappointed.

OM Lifehope coordinates the Transit Challenge, sending out teams all over Europe to love, serve and proclaim Christ.

A Canadian couple spends two of their retirement years with OM in Italy, learning that it’s never too late to change the world around them.

An OM worker in Bosnia shares how the enduring faith of two elderly women of God has inspired her to also persevere to the end.

OM team members in El Salvador reach out to young people in their country, challenging them to live a healthy life.

Fraud, privacy, and tracking the customer journey will continue to be key issues for marketers doing omnichannel.

Conquest, BITS Pilani�s International Startup Conclave, has once again gathered center-stage attraction as the registrations are finally open for the long awaited event.

Farmers need individualised, end-to-end solutions: ITC Agri Business Head 

Many women's rights activists who worked with Stanton were opposed to the publication of The Woman's Bible; they felt it would harm the drive for women's suffrage. Although it was never accepted by Bible scholars as a major work, it became a popular best-seller, much to the dismay of suffragists who worked alongside Stanton within the National American Woman Suffrage Association (NAWSA). Susan B. Anthony tried to calm the younger suffragists, but they issued a formal denunciation of the book, and worked to distance the suffrage movement from Stanton's broader scope which included attacks on traditional religion. Because of the widespread negative reaction, including suffragists who had been close to her, publication of the book effectively ended Stanton's influence in the suffrage movement. -- In 1881, 1885 and 1894, the Church of England published a Revised Version of the Bible, the first new English version in over two centuries. Stanton was dissatisfied with the Revised Version's failure to include recent scholarship from Bible expert Julia Smith. ... Stanton assembled a "Revising Committee" to draft commentary on the new Bible version. Many of those she approached in person and by letter refused to take part, especially scholars who would be risking their professional reputations. Some 26 people agreed to help. Sharing Stanton's determination, the committee wished to correct biblical interpretation which was biased against women, and to bring attention to the small fraction of the Bible which discussed women. They intended to demonstrate that it was not divine will that humiliated women, but human desire for domination. The committee was made up of women who were not Bible scholars, but who were interested in biblical interpretation and were active in women's rights. Among the more famous members of the international committee were Augusta Jane Chapin, Lillie Devereux Blake, Matilda Joslyn Gage, Olympia Brown, Alexandra Gripenberg, Ursula Mellor Bright and Irma von Troll-Borostyáni. -- Reaction: At its introduction, The Woman's Bible was widely criticized in editorials and from the pulpit. Stanton wrote that "the clergy denounced it as the work of Satan ..." Some were put off just by its prejudicial, sacrilegious title, especially those who did not take the time to read the book. Others countered the book's more extreme conclusions one by one in public fora such as letters to the editor. One female reader of The New York Times wrote to decry The Woman's Bible for its radical statements that the Trinity was composed of "a Heavenly Mother, Father, and Son", and that prayers should be addressed to an "ideal Heavenly Mother". Mary Seymour Howell, a member of the Revising Committee, wrote to The New York Times in defense of the book, saying that its title could be better understood as "The Woman's Commentary on the Women of the Bible". Stanton countered attacks by women readers, writing "the only difference between us is, we say that these degrading ideas of woman emanated from the brain of man, while the church says that they came from God." -- Susan B. Anthony, Stanton's best and most faithful collaborator, concluded after years of working for women's rights that the concentration on one issue-votes for women-was the key to bringing success to the movement. The women's organizations had too varied a membership to agree on anything more complex. Stanton insisted, however, that the women's rights conventions were too narrowly focused; she brought forward a variety of challenging concepts in the form of essays for Anthony to read to the audiences. When Stanton made known her interest in completing The Woman's Bible, Anthony was unhappy at the futility of the effort, a harmful digression from the focused path which led to woman suffrage. Anthony wrote to Clara Colby to say of Stanton "of all her great speeches, I am always proud-but of her Bible commentaries, I am not proud-either of their spirit or letter ... But I shall love and honor her to the end-whether her Bible please me or not. So I hope she will do for me." -- At the NAWSA convention January 23-28, 1896, Corresponding Secretary Rachel Foster Avery led the battle to distance the organization from The Woman's Bible. After Susan B. Anthony opened the convention on January 23, Avery surprised Anthony by stating to the more than 100 members of the audience: During the latter part of the year the work has been in several directions much hindered by the general misconception of the relation of the so-called "Woman's Bible" to our association. As an organization we have been held responsible for the action of an individual ... in issuing a volume with a pretentious title, covering a jumble of comment ... without either scholarship or literary value, set forth in a spirit which is neither reverent nor inquiring. Avery called for a resolution: "That this Association is non-sectarian, being composed of persons of all shades of religious opinion, and that it has no connection with the so-called 'Woman's Bible', or any theological publication." The motion was tabled until later, and motions were made to strike Avery's comments from the official record. A complete account of Avery's remarks were reported the next day in The New York Times. The opinion of NAWSA delegate Laura Clay, expressed in her Southern Committee report on January 27 that "the South is ready for woman suffrage, but it must be woman suffrage and nothing else," was typical of responses to The Woman's Bible conflict. Most suffragists wanted only to work on the right to vote, "without attaching it to dress reform, or bicycling, or anything else ..." On the afternoon of January 28, a list of Resolutions was put to a vote. The first seven were passed without comment. The eighth was Avery's proposed dissociation with The Woman's Bible, and its presence caused an active debate. Anna Howard Shaw, Alice Stone Blackwell, Henry Browne Blackwell, Carrie Chapman Catt and others spoke in favor, while Lillie Devereux Blake, Clara B. Colby, and more spoke against it. Anthony left her chair to join the debate against the resolution, and spoke at length, saying "Lucretia Mott at first thought Mrs. Stanton had injured the cause of woman's rights by insisting on the demand for woman suffrage, but she had sense enough not to pass a resolution about it ..." A majority of 53 to 41 delegates approved the resolution, an action which was seen as a censure of Stanton, and one which was never repealed. Avery's opening report of January 23 was adopted with the part about The Woman's Bible expunged. -- Legacy: Stanton wished for a greater degree of scholarship in The Woman's Bible, but was unable to convince Bible scholars of her day to take part in what was expected to be a controversial project. Scholars continued to avoid addressing the subject of sexism in the Bible until 1964 when Margaret Brackenbury Crook published Women and Religion, a study of the status of women in Judaism and Christianity. Subsequent works by Letty Russell and Phyllis Trible furthered the connection between feminism and the Bible. Today, biblical scholarship by women has come into maturity, with women posing new questions about the Bible, and challenging the very basis of biblical studies. Stanton herself was marginalized in the women's suffrage movement after publication of The Woman's Bible. From that time forward, Susan B. Anthony took the place of honor among the majority of suffragettes. Stanton was never again invited to sit in a place of honor on stage at the NAWSA convention.

Pope Leo X - Giovanni de'Medici, 1475 - 1513 - 1521: Giovanni de'Medici, second son of Lorenzo and younger brother of the fatuous Piero, became the first of the Medici Popes (Leo X - Leone Decimo) at the age of 38 on 11 March 1513. Prior to this his life had been a complete roller coaster. Brought up in Medici luxury alongside Michelangelo (who was included in the Medici household by Lorenzo), older brother Piero and cousin Giulio (who was adopted by Lorenzo after his father (who was Lorenzo's brother) was killed in the Pazzi Conspiracy in 1478), he had access to the incomes of several wealthy monasteries, including Badia a Passignano, and was made a Cardinal at the age of 13. All this came to an abrupt end in 1494 when, in the wake of Lorenzo's death, the incompetent surrender of his brother Piero the Fatuous to the French, and the ensuing Savanorola stirred turbulence, he had to sneak out of Florence dressed as a Franciscan Friar, and then live in hiding with his cousin for the next decade, latterly being protected by the Habsburg Emperor Maximilian (who ironically was to be a major cause of the collapse of the Bruges branch of the Medici Bank) and then by the dreadful Cesare Borgia and his father Pope Alessandro VI (1431 - 1492 - 1503 (72)) in Rome. ... Pope Clement VII Giulio de'Medici, 1478 - 1523 - 1534 (56) Illegitimate son of Lorenzo's (Pazzi murdered) brother Giuliano, adopted son of Lorenzo, and companion in exile to Lorenzo's son Giovanni (Leo X), who was three years his senior, Giulio de'Medici became Pope Clement VII (Clemente Settimo). He was good looking, intellectually sophisticated, a talented musician and a political disaster. In reality he also faced the legacy of the corrupt practices of his cousin Leo X, and the impossible task of operating in the emergent nation state Europe dominated by Charles V, Francis I, and Henry VIII (whom he excommunicated), and threatened by Suleiman the Magnificent, plus Martin Luther dealing the protestants into the game as well - see Insight Page. He lost England, and was humiliated by having to flee in disguise from Rome when it was barbarically sacked by Charles V's rabble army after Clement mistakenly got too close to flashy Francis I of France.

Do you feel as though you're in a rut? Does nothing feel engaging or entertaining? When you want to make sure you're still in the right direction and you don't want to settle for a mundane life, you'll discover that you need to start challenging yourself. When you take on a challenge head first, you're forcing yourself to grow. When your self-esteem needs a boost, challenging yourself can help you see yourself in a new light.

Hamburg. German developer 4Players has launched ODIN Rooms, a secure, browser-based, decentralized video conferencing platform designed to challenge industry leaders like Microsoft Teams and Zoom. Aimed at corporations, educational institutions, and non-profits, ODIN Rooms offers easy access through a simple URL, with no need for accounts or app installations, and enhances social messaging with enhanced privacy and crystal-clear audio quality.

The turkey has been carved, the gifts have been purchased and business owners are ready to celebrate the holiday season reflecting on a successful 2014. While small business owners may be thinking about holiday traditions, they are also beginning to focus on priorities and potential challenges ahead. Changes in technology, growing cybersecurity concerns, and shifts in the political landscape are all top of mind as small business owners enter 2015.

As the clock strikes midnight and the champagne bottles pop to ring in the New Year, three topics will be top of mind for entrepreneurs in 2015.

New Year, New Tools

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The future can look bleak when starting a small business. According to the U.K. Office for National Statistics, six out of ten businesses starting in the U.K. today will not make it to 2020. In the United States things are only marginally better with Small Business Administration research showing two-thirds of new businesses close their doors within the first two years and only about half survive the first five years. This may sound like a depressing number for a small business owner, but you can avoid becoming just another statistic by being aware of the most common small business challenges—and how to handle them.

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There is a convenient narrative about small business that we have all heard a million times.  Small business represents a huge, underserved, and highly lucrative market for finance-oriented entrepreneurs and large organizations alike. The prevailing wisdom is that these businesses run on Intuits QuickBooks, which enables them to have organized, accurate, and timely financial information at their fingertips. By all accounts, the small business market should be an easy one to serve. Unfortunately, this is not the case. Organizations big and small have struggled to serve the small business market in an efficient and effective matter, and it is all due to what we call the 90% challenge.

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A healthy economy means many small businesses are thriving -- but they're also having a hard time hanging onto employees. A good 24% of small businesses lost at least one employee in 2018, while 11% of small businesses lost 10% of their workforce, according to Bank of America. Not only that, but 58% of businesses had trouble finding qualified candidates for open roles, and 25% said it took more time to fill open positions in 2018 than it did in 2017.

And there lies the problem with a strong job market: When employment is plentiful, workers have more options to choose from, so getting them to join or stay with your team becomes more challenging for companies across the board, but particularly for small businesses with limited resources.

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The Python Challenge is a nifty site that presents you with a series of puzzles that it asks you to solve using python; getting each answer allows you to move on to the next puzzle.

Python is a cool language and it's a good tool for this job¹ However, I'm learning clojure right now, so I thought it would be fun to try and solve a few of them in clojure. Here's my answers for challenges 0 thru 4 (warning: if you want to do these puzzles yourself, reading further now might ruin the fun)

Challenge #0 (the "Warmup")

Asks you to solve 2 to the 38th power:

(clojure.contrib.math/expt 2 38)

i.e. just use the exponent function in clojure contrib.

Challenge #1

This one throws some scrambled text at you and a clue on what the key is (ROT 2):

(defn translate [text]
  (let [lookup (vec (map char (range 97 123)))]
    (letfn [(letter? [c] (and (>= (int c) 97) (<= (int c) 122)))
            (shift-2 [c] (mod (+ 2 (- (int c) 97)) 26))]
      (apply str (map #(if (letter? %) (get lookup (shift-2 %)) %) text)))))

Create a lookup table of the chars, a predicate to test if a char is a letter. & a function to get the index of 2nd to next letter (the index loops, essentially making lookup as a ring buffer), then map across the given text, shifting by 2 if its a letter or just returning the char if its not.

Challenge #2

This one throws a big hunk of random data at you and suggests you pick out the 'rare' characters:

(defn filter-file [path]
  (let [fs (line-seq (clojure.contrib.io/reader path))
        lookup (set (map char (range 97 123)))]
    (apply str (mapcat #(filter lookup %) fs))))

A quick visual scan of the text led me to a strong hunch the "rare"² characters were lowercase alpha, so:

Re-use our lookup table from the last challenge; this time make it a set, then use the set to filter each line of the file denoted by 'path' (I first saved the text to a file to make it easier to work with); use mapcat to flatten the lines out (this has the effect of stripping empty lines altogether); apply str to the resulting sequence to get the answer.

Challenge #3

This one's a big hunk of text too, so a quick refactoring of our last solution results in a more abstract (and higher-order) function that takes a filter function as an additional parameter:

(defn filter-file [filter-fn path]
    (apply str (mapcat filter-fn (line-seq (io/reader path)))))

the filter from challenge #2 thus becomes an argument; partial works nicely here:

(filter-file (partial filter (set (map char (range 97 123)))) "path/to/file")

Now we can make a new filter for challenge #3. This one will need to find character patterns that look like this: ABCxDEF. We'll need grab x. This one just screamed regex at me, so here's a filter that gives us the answer:

#(second (re-find #"[^A-Z][A-Z]{3}([a-z])[A-Z]{3}[^A-Z]" %)))

An anonymous function³ that uses re-find to match: "not-cap followed by 3 CAPS followed by not-cap followed by 3 CAPS followed by not-cap"; the second element of the resulting vector (because we use parens to create a group) produces x; mapcat et al do the rest.

Two big assumptions/limitations here: assumes each target is on its own line, and that the target pattern wasn't on the beginning or end of the line (which was good enough to get the answer).

Challenge #4

This challenge requires one to follow a url call chain, passing a different number as the argument to a 'nothing' parameter each time. The resulting page text provides the next number to follow (and/or some noise to keep you on your toes) until eventually we get the answer.

This one gets kinda ugly.

This is the kind of problem scripting languages are made for (e.g. perl, python & ruby coders would all make short work of this problem). Still, it's possible to write procedural code in clojure, and it's still reasonably straightforward.

One decision I had to make is how to GET the url's - my weapon of choice for this sort of thing is clj-http:

(require '[clj-http.client :as client])
(require '[clojure.contrib.string :as string]

(defn follow-chain [base-url number]
  (let [result (:body (client/get (str base-url number)))
        idx (.indexOf result "and the next")]
    (cond
      (re-find #"^Yes" result) (do
                                 (println result)
                                 (follow-chain base-url (/ (Integer/parseInt number) 2)))
      (= -1 idx)               result
      :else                    (let [result-vec (string/split (subs result idx) #" ")
                                     next-number (last result-vec)]
                                 (println result)
                                 (recur base-url next-number)))))

Take the url as a base & the first number to follow; use client-http/get to grab the page; extract the body of the page; get the index of the phrase "and the next" using the java "indexOf" method - we'll use the index later to parse out the end of the text and get the next number...

...unless of course, we get text that tells us something else (like a message saying "Yes" and then instructing us to divide the last number by two and continue on as before) so...

...we set up a switch using the cond macro: If the result starts with "Yes" make a recursive call dividing the last number by two; if indexOf otherwise came up empty, that's our answer, so return it; else pick the next number out of the result by splitting the end of the string into a vector (using clojure.contrib.string/split) and recur (tail recursively call the function again).

The println's could be removed, although they were essential when figuring out what the code needed to do.

Conclusion

This was a fun exercise; clojure's holding up pretty well so far, though clojure would not be my weapon of choice for that last one; if I choose to do the next five, I'll post them in a future article.

Footnotes

Back in 2010, when I was SVP of Social Media at the Advertising Research Foundation, a member in the mobile industry was interested in learning whether the opportunities in digital signage were right for the company to explore. I ended...