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Tropical Fish Keeping - Aquarium fish care and resources
Tropical Fish Keeping - Aquarium fish care and resources (
- Beginner Freshwater Aquarium (
- - what would happen if... (
blacksheep 03-02-2010 12:02 AM
what would happen if...
I put 7 neon tetras into a 3 gallon?
would it be okay if i did 10% W/C everyd... | web |
Lost Libraries of Timbuktu
mapafricanorthUntil recently, many commentators on Africa claimed that African societies had no tradition of writing. With the rediscovery of ancient manuscript collections, some dating back to the 8th century AD, this perception is changing.
Approximately 250,000 old manuscripts still surv... | web |
Top Definition
A cross between a Nerd and a Geek.
Jon from big brother is a neek.
by Jay June 06, 2003
45 more definitions
A word used predominantly by Chavs to describe anyone with an ounce of brain or generally anyone who doesn’t listen to shitty monotonous R&B, wear a huge hoody and txt the guy standing nearest to h... | web |
Explosive Hand-darted Harpoons
When whalemen refused to use poison harpoons, they sought another way to fasten to and kill the whale simultaneously. This remained a desired improvement, especially whaling in the ice fields of the northern fisheries. In place of poison, development of the harpoon turned to explosives.
... | web |
Wednesday, Jul. 29
Weather Condition 81 ° Fair
Cover Letter Tips
Job Search Letters
Your job search requires many types of correspondence. With each letter you send, an employer is evaluating you as a prospective candidate for his or her organization. For this reason, you will want to make your letters as effecti... | web |
What is Nose Cartilage?
The tough,flexible connective tissue at the tip of the nose is cartilage.
Severe nosebleeds may require medical attention, especially if they occur after trauma to the face.
Hyaline cartilage in the nose can also be found in the trachea.
An individual who chooses to have a "nose job" may elect ... | web |
Aim higher, reach further.
Where Expertise Blooms
Despite the evocative name of this column, I'm not much of a gardener, urban or otherwise. The exception is orchids. Strictly speaking, I don't grow them. I buy them and see how long I can keep them from perishing. I've also been known to rescue orchids from the trash... | web |
World Time Map
Find a location on the World Map or search our World Time Directory using the searchbar.
About World Time Map
• Over 200 cities are included on our interactive World Time Map, each represented on the map by a marker.
• Hover over the marker to see the name and current local time of that location, ... | web |
Prosocial (or altruistic) behaviors are actions that provide a benefit to others while not having any obvious benefits to oneself.
Texas Tower some people took care of ill people, some attempted to kill Whitman, some did nothing.
Kitty Genovese was killed in the sight of witnesses, because no one was willing to help.
... | web |
Waist (clothing)
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Waist was a common term for the bodice of a dress or for a blouse or woman's shirt from the early 19th century through the Edwardian period.
A shirtwaist was originally a separate blouse constructed like a shirt; i.e., of shirting fab... | web |
Category:German nouns with multiple genders
Definition from Wiktionary, the free dictionary
Jump to: navigation, search
German has three genders: masculine, m; feminine, f; and neuter, n. Most nouns have one gender or the other but a small number have two or all three. Sometimes they are two different words which hav... | web |
Shareholder value
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Shareholder value is a business term, sometimes phrased as shareholder value maximization or as the shareholder value model, which implies that the ultimate measure of a company's success is the extent to which it enriches shareholder... | web |
Tourism in Scotland
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Edinburgh Castle, one of Scotland's most visited attractions
A Scottish Great Highland Bagpipe player, a symbol of Scotland's heritage, playing in front of Bidean nam Bian on the southern side of Glen Coe.
Scotland is a well-develop... | web |
From Wikipedia, the free encyclopedia
Jump to: navigation, search
The word poppet is an older spelling of puppet, from the Middle English popet, meaning a small child or doll. In British English it continues to hold this meaning. Poppet is also a chiefly British term of endearment, especially for a young woman or girl... | web |
Definition from Wiktionary, the free dictionary
Jump to: navigation, search
Gene (n) definition[edit]
Current: "(genetics) An entity passed down from parents to offspring in reproduction that encodes information essential for the construction and regulation of proteins (such as enzymes) and other molecules that deter... | web |
Is Password Policy Checked
Security is very important when it comes to keeping data, databases, and servers secure. Where I work there is a group dedicated to scanning all servers for vulnerabilities from the operating system to the applications and everywhere in between.
Recently, I stood up 7 new database servers a... | web |
Check it Out: CannedWater4Kids
The amount of water charities around the world seem to grow exponentially every year. Many of these organizations are both headquartered and focused on serving foreign countries, making seeing the effect of your donation difficult. However, Wisconsin based CannedWater4Kids is changing a... | web |
ICRC databases on international humanitarian law
• Print page
Attack or bombardment of undefended towns - Art. 2.
Art. 2. The bombardment by whatever means of towns, ports, villages or buildings which are undefended is prohibited in all circumstances. A town, port, village or isolated building shall be considered... | web |
A common mistake
A simple yet fundamental concept in astronomy is angular measure. It addresses a common error made by non-astronomers. To illustrate this error, try describing the size of the Sun from your point of view.
Image Credit: Brit CruiseIt’s tempting to say it’s about an inch wide, or the size of a quarter.... | web |
Application Denial of Service
Saltar a: navegación, buscar
Web applications are particularly susceptible to denial of service attacks. Note that network denial of service attacks, such as SYN floods, are a separate problem that is outside the scope of this document.
A web application can’t easily tell the differenc... | web |
Curriculum Grades K-4, Teacher Materials for Lesson 3:
Many Good Ideas, but Only One Vote
Engaging students in discussions about voting is an excellent way to help them move from shallow to deep thinking, and to demonstrate the higher order thinking skills of analysis, synthesis and evaluation. The exercises below a... | web |
Presidents: Bible-Cutters, Mystics, Masons
As Presidents' Day of 2003 arrives, many in the United States are either pleased or upset that President Bush continues to lean heavily on religious symbolism in speaking about the anti-terror war and many other matters.
But if George Washington or Abraham Lincoln were alive... | web |
The Missing Link
Answer: Collegiate; Colgate
Winner: Joseph Young of St. Cloud, Minn.
Next week's challenge: This week's challenge comes from Steve Baggish of Arlington, Mass., the father of the 11-year-old boy who created the challenge two weeks ago. Name a boy's name and a girl's name, each in four letters. The ... | web |
Stanford students to compete with solar car
July 9, 2013 7:56:42 PM PDT
Every day more hybrid and electric cars are on the roads, but what about a car you never need to plug in or fill up? Well, they're building one at Stanford and they are about to drive all the way across Australia, powered by nothing but the sun.
... | web |
Cocoa Shortage! Whither Cakes, Cookies?
PHOTO: Chocolate production is experiencing the most dramatic shortfall in five decades.
The world is facing its worst cocoa deficit in 50 years, experts say. Will Aunt Sally still be able to bake her famous chocolate cake for New Year's? And if so, at what exorbitant cost?
Co... | web |
Congress can't restrain itself
The supercommittee's apparently fruitless meetings often took place in this underground room in the Capitol.
The supercommittee's apparently fruitless meetings often took place in this underground room in the Capitol. (J. SCOTT APPLEWHITE/ Associated Press)
Posted: November 22, 2011
By ... | web |
Take the 2-minute tour ×
I believe a "mechanistic study" means a study where a medicinal product is being used but the purpose of the study is to investigate the patient or disease, not the medicinal product.
How does this differ from any other type of study? What is the purpose of this study? Why would we not be int... | web |
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I read the answers to "When or how often should I replace my bike helmet?", but unfortunately none of the answers there cites any references.
Have there been any studies quantifying the claim of reduced protection after single impact, e.g. in terms of increased risk of injury?
It's easy to s... | web |
What the US can learn from New Zealand
It is a near-universal rule of time management that the urgent but not necessarily terribly important takes precedence over the important but not terribly urgent. Economic policy making is no exception to this rule. I was therefore pleasantly surprised to read in the papers tha... | web |
Supreme Court Justices are Behaving Badly
Contrary to the notion that Supreme Court Justices are appointed for Life, the truth is that the Constitution indicates that they shall hold office during times of good behavior.
The question that needs to be asked is what constitutes bad behavior and who determines if the Ju... | web |
Robert Murray: Harper government shouldn’t try to rewrite Canadian history
robertmurray2 Robert Murray: Harper government shouldn’t try to rewrite Canadian history
EDMONTON — Is there a Canadian, or a significant group of Canadians, unaware of Canada’s historical connection with Great Britain?
I ask the question bec... | web |
Unconventional Oil: Implications for the Environment and Greenhouse Gas Emissions
Call it unconventional oil, tight oil, shale oil, continuous oil, you name it, but the end result is the same: the bottom of the barrel. Recent technological developments are changing the oil extraction industry dramatically and opening ... | web |
วันจันทร์ที่ 17 ตุลาคม พ.ศ. 2554
Origin of the Universe theory.
Theory of the origin of the universe, it's important major formula one time I said something that binds the camp with many eccentric. Are not mentioned here. It is concluded that the Cap has a great destruction of the first times since the universe or th... | web |
Here Come the Neurothugs! Run!
One of Francis Bacon's self portraits
In this New Atlantis essay about art and science, Roger Scruton coins a word: neurothugs.
Neurothugs are researchers who believe that, when it comes to beauty, there is “such a thing as the fMRI of the beholder, and this does contain the secret of ... | web |
Why Lee Kuan Yew, Modern Singapore's Founding Father, Stepped Down
• Share
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Munshi Ahmed / Bloomberg / Getty Images
Lee Kuan Yew speaks during the Government of Singapore Investment Corp.'s (GIC) 30th anniversary dinner in Singapore on May 9, 2011
From the epochal to the mundane, the decisions of Sin... | web |
What you didn’t know about Syria
Assyria was the world’s first empire.
Around the year 2371, as related by Peter BetBasoo, the Assyrian Empire under Sargon of Akkad absorbed the original Sumerian civilization of the Mesopotamian Valley.
The oldest piece of literature on Earth was written in the original Assyrian lan... | web |
You can easily follow the developments of the Islamic State of Iraq and Syria (ISIS) and other terrorist groups on every major news outlet, but few Americans realize how social media savvy terrorists are. Recently, ISIS has even deployed kittens and guns to gain followers on Twitter.
Over the past 15 years, terrorists... | web |
Type Facing text to exact dimensions
I am having a problem trying to get text to fit to exact dimensions. Here is a link to a graphic representation of the problem I will explain below: http://i.imgur.com/9R68V.jpg
This is an example of a plaque I'm working on. The red box Q will be a photograph while the black bo... | web |
U.S. producers wonder how much Brazil can expand ethanol production and how much it could eventually export. The answer is that there is a long way to go before Brazil hits any physical limits to expansion. Exports might double in five years or less. In both aspects the question is whether it will be profitable for the... | web |
Is irregardless a word?
[trik] /trɪk/
a crafty or underhanded device, maneuver, stratagem, or the like, intended to deceive or cheat; artifice; ruse; wile.
an optical illusion:
It must have been some visual trick caused by the flickering candlelight.
a roguish or mischievous act; practical joke; prank:
She likes to p... | web |
Why Do Dogs Chew on Their Paws?
by Naomi Millburn
Don't ignore paw chewing behavior in your cutie.
Don't ignore paw chewing behavior in your cutie.
BananaStock/BananaStock/Getty Images
If your cute pooch is nibbling on her paws to the point of redness and swelling, don't dismiss her habit as merely ... | web |
Music Notation
In this section, a brief overview of music notation is reported. This overview is mainly focused on highlighting the structure of music from the point of view of its meanings for the executor, and the visual representation and syntax of the notation. In this context, only classical music is considered (... | web |
My Photo
Recent Comments
« Going Faster Has a Price | Main | The Energy Zarr Redux - Is Energy Efficiency Dead? »
September 14, 2011
Will Binary Communications Survive?
Bookmark and Share
IStock_000000123354XSmall In my last post "Going Faster Has a Price" I discussed the issues with transmitting bits represented... | web |
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The following sentences use more than one adjective for a single noun.
She has a black and white cat.
It implies that the person involved here has only one cat which is black and white coloured.
The following sentence is however different from the preceding one.
She has a black and a white... | web |
Rebooting Civilization
Rebooting Civilization
Event Date: [ 9.10.01 ]
United States
One aspect of our culture that is no longer open to question is that the most signigicant developments in the sciences today (i.e. those that affect the lives of everybody on the planet) are about, informed by, or implemented throug... | web |
Tuesday, 27 December 2011
How many species of Hobbits?
Tolkien, having coined the name, then (as was his wont) invented a mock-etymology for it. But this is widely misunderstood -- as for instance does Wikipedia: 'He set out a fictional etymology for the name in an appendix to Lord of the Rings, to the effect that it... | web |
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In American English (perhaps British as well), "housework" and "homework" have different meanings. "Housework" refers to working around the house, such as dusting, vacuuming, etc., whereas "homework" refers to doing some school assignments at home, after school is out.
Homework can be complet... | web |
Food Groups Activities for Kids
Grade Levels: K-3
In this set of activities adaptable for grades K-3, parents and educators will find ideas for teaching about food groups. These activities are designed to complement the BrainPOP Jr. Food Groups topic page, which includes a movie, quizzes, online games, printable acti... | web |
In the United States, anyone who is under the age of 18 years. A minor has basically no rights.
Minor also can mean your minor area of study, as opposed to your major. You usually take a few classes a semester in your minor.
Mi"nor (?), a. [L., a comparative with no positive; akin to AS. min small, G. minder less, OHG... | web |
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Topic: What knowledge of electronics, physics and program, would need to use ARDUINO (Read 2295 times) previous topic - next topic
Hello everyone
What knowledge of electronics or physics of computation, programming, ... are needed to learn to use ARDUINO?
Any book reference to learn.
Thanks in advance.
Fr... | web |
An Online Introduction
to Advanced Biology
Terms and Concepts
Cells and Energy
Most of what a cell does involves endergonic reactions, requiring constant energy input; these reactions are coupled to just a few exergonic reactions which supply that energy.
The key fuel source in cell reactions is Adenosin... | web |
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Animating Layout Changes
This lesson teaches you to:
1. Create the Layout
2. Add, Update, or Remove Items from the Layout
Try it out
Download the sample app
A layout animation is a pre-loaded animation that the system runs each time you make a change to the layout configuration... | web |
Obsessive-Compulsive Disorder | Complications
Are other illnesses associated with OCD?
People who have OCD often have other kinds of anxiety, like phobias (such as fear of spiders or fear of flying) or panic attacks.
People who have OCD also may have depression, attention deficit hyperactivity disorder (ADHD), an e... | web |
There was a time, a hundred years ago, that Garnet was a thriving town, filled with gold miners and their families. Working hard to carve out a community in the heart of the Garnet Mountains. In 1898, somewhere around 1,000 people called Garnet their home.
If you listen closely, when the sun goes down, in Garnet, you ... | web |
Giz Explains: Every Video Format You Need to Know
Once upon time, video codecs and formats were really only the concern of AV nerds, anime freaks and hardcore not-so-legal movie downloaders. Now, even the most part-time of geeks has to deal with them, whether they're trying to stream a flick across their house with an... | web |
This Mega-Password Cracker Laughs at Your Puny Old Algorithms
It doesn't matter what your super-unguessable password is. The arms race between the security and hacker communities has produced a devastating new device capable of tearing through lesser password encryption protocols in as little as six minutes.
In the d... | web |
Cancer and diet
Originally Published: April 10, 1995 - Last Updated / Reviewed On: December 14, 2012
Share this
Dear Alice,
Are there any health hazards associated with Chinese food? Of course a lot of Chinese foods are high in fat and cholesterol, but what I am worried about is the cooking methods. Generally, they h... | web |
This post was written by Chris Beardsley of Strength and Conditioning Research. The views expressed herein are his.
Off-Road Cyclist
We're entering a genuinely new phase in fitness, where personal trainers and athletes are reaching for science to help them identify the best methods for getting fitter, losing weight, ... | web |
Friday, July 04, 2008
The Downside of Affluence
According to research by Daniel Kahneman, the Nobel Prize-winning behavioral economist, quoted in an article in the Washington Post, "being wealthy is often a powerful predictor that people spend less time doing pleasurable things and more time doing compulsory things a... | web |
chp-plus-1.0.1: A set of high-level concurrency utilities built on Communicating Haskell Processes
Contains a process for easily using stdin, stdout and stderr as channels.
data ConsoleChans Source
A set of channels to be given to the process to run, containing channels for stdin, stdout and stderr.
consoleProc... | web |
Forgot your password?
The Military
Submission + - The military's medal for cyber-combat is a disservice to actual combat vets-> 2 2
Curseyoukhan writes: "The Distinguished Warfare Medal will be awarded to members of the military engaged in computer security and flying drones. It is the first new "combat-related" a... | web |
rain barrel
Green Living Image Gallery
A very crude rain barrel catching the rainwater from the spout. See more green living pictures.
Photo courtesy of Martin Bowker/istockphoto.com
We have evidence that collecting rainwater in cisterns was a common practice in the Middle East more than 4,000 years ago, and its o... | web |
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Seeing the Light
A Close Look at Eighteenth-Century Optics
by James Breig
Interpreter Merrit Capossela with a period imaging lens, an antique telescope, and an old microscope.
Interpreter Merrit Capossela with a period imaging lens, an antique telescope, and an ... | web |
Take the 2-minute tour ×
In this SciFi SE answer to "Can we date the technology in the Lord of the Rings movies?" , I made a statement that I wasn't able to research as fully as I'd have liked, and therefore would like a confirmation of whether historical research supports it.
Gunpowder used to blow up the wall at He... | web |
Why free energy perpetual motion devices don't work
The following appeared on my blog Mapawatt and is in response to the "free energy plans" that have infiltrated Google and Facebook advertisements. I'm afraid a large number of people get suckered into buying these and are left with junk.
It still amazes me that with... | web |
How does an LCD TV monitor work?
Photo by Manuel_Pa
Question: How does an LCD television monitor work?
Answer: An LCD color screen is a combination of inventions. You need to use light guides to take a bright light at the edge of the screen and distribute it so it looks even over the entire surface of the screen. Yo... | web |
News Release Archive:
News Release 25 of 224
July 11, 2013 09:40 AM (EDT)
News Release Number: STScI-2013-26
NASA's Hubble Finds a True Blue Planet
The full news release story:
NASA's Hubble Finds a True Blue PlanetView this image
Astronomers using NASA's Hubble Space Telescope have deduced the actual visible-li... | web |
« IELTS Reading: gap-fill summary | Main | IELTS Writing Task 1: articles »
Wednesday, November 28, 2012
I got writing task 2 question related to video game, it was like :
Now a days a large number of people play video games . Is it a good change or not .
disscuss and give your opnion about it .
it would be abou... | web |
Another word whose etymology I had always vaguely wondered about but never investigated beyond the immediate source is meltemi, borrowed from Modern Greek and meaning ‘etesian (annual) summer wind in the Mediterranean’ (or “Etesian,” as Merriam-Webster would have it for some unknowable reason—it’s not from a proper nou... | web |
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Statistically Speaking: Building a Better Mousetrap: Adjusted Pythagorean Winning Percentage
Thursday, July 05, 2007
Building a Better Mousetrap: Adjusted Pythagorean Winning Percentage
Time and again I've espoused on this blog the virtues of using a team's Pythagorean winning percentage to projec... | web |
Feeding The World Gets Short Shrift In Climate Change Debate
Jan 20, 2012
Food is getting elbowed out of the discussion on climate change, which could spell disaster for the 1 billion people who will be added to the world's population in the next 15 years. That's the word today from scientists wondering why food and ... | web |
Many writers have an opinion on which of our country's past leader President Obama most embodies -- for better or worse. Apparently, spirits of presidents past haunt many minds as Obama's second term begins.
* * *
Be like Ike: cunning, complex, cheerful
By Evan Thomas, Los Angeles Times
As Obama contemplates his se... | web |
Take the 2-minute tour ×
I have here a complex equation:
$$z^2 - (7+j)z + 24 +j7 = 0$$
How do we get the roots of this equation? I started using the quadratic formula $-b \pm \sqrt{ b^2-4ac}\over 2$, but it yielded too much complexity on it. Is there any way to directly attack this? Thanks.
share|improve this quest... | web |
Design News has an article and slide show piece on electric dragsters. The car pictured here is Mike Willmon’s electric Pinto, the Crazyhorse. The infamous Pinto gas tank (and the back seat) has been replaced with 848 lbs of lead-acid battery. The car is powered by two nine-inch diameter brush DC motors, coupled back-t... | web |
Provided by: manpages-dev_2.77-1_all bug
mprotect - set protection on a region of memory
#include <sys/mman.h>
int mprotect(const void *addr, size_t *len, int prot);
mprotect() changes protection for the calling process’s memory page(s)
containing any part of the addres... | web |
'Brain Window' Implant May Help Doctors Treat Disorders With Lasers
A new science fiction-sounding implant could give doctors "a window to the brain" of a patient, and open the door to breakthrough laser treatments to fight neurological disorders.
The translucent "window to the brain" implant would let doctors use em... | web |
Take the 2-minute tour ×
I was taken to the legacy code. Calculations performed procedure called "dynamic expansion", which essentially organizes the rows of Hesse matrix. Ordering algorithm is not clear to me
Row ordering gives a significant boost in speed solutions of equations. Tell me, please, which is why is thi... | web |
Synoptic Situation at 0600 13/02/1963 next day
Marked cyclonic development has taken place in mid Atlantic and low, 964 mb, has
moved ENE to 55 N 28W, with troughs approaching Ireland. Weak ridge coves the
Br.Isles and there is still high pressure over N Greenland linked to small high
over Scandinavia and to ... | web |
Rein Walker in the US
1. #76,583,350 Rein Vogel
2. #76,583,351 Rein Von
3. #76,583,352 Rein Vorp
4. #76,583,353 Rein Vosari
5. #76,583,354 Rein Walker
6. #76,583,355 Rein Wallnoefer
7. #76,583,356 Rein Wedderburn
8. #76,583,357 Rein Weil
9. #76,583,358 Rein Werner
person in the U.S. has this name Vie... | web |
* * Search the Gazette
Harvard shieldHarvard University Gazette Harvard University Gazette
Current Issue:
September 15, 2005
News, events, features
Latest scientific findings
The people behind the university
Harvard and neighbor communities
Scores, highlights, upcoming games
On Campus
Newsmakers, notes, students,... | web |
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benefits of sea vegetables
With their long and legendary medicinal history in several traditions, it’s not surprising that modern scientists are continuing to produce impressive results with the medicinal use of sea vegetables.
Rich in Bioavailable Minerals
Sea vegetables, more commonly called ‘seawe... | web |
Basic error puts anonymous bloggers at risk
In a recent experiment writer Andy Baio was able to uncover the identities of seven anonymous bloggers from a random sample of 50 in under 30 minutes; all thanks to a simple mistake they'd made in setting up their websites.
"One blog about Anonymous' hacking operations coul... | web |
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The Almighty Buck Math Science
The Formula That Killed Wall Street 561 561
We recently discussed the perspective that the harrowing of Wall Street was caused by over-reliance on computer models that produced a single number to char... | web |
Ken THAIDAY SNR. | Hammerhead shark mask
THAIDAY SNR., Ken, artist
Australia 1950
Hammerhead shark mask
[Shark mask]
A shark mask constructed from natural and synthetic material in two parts.The top section depicts a shark made from black bamboo and the bottom section depicts only the jaws of the shark with attached... | web |
Tuesday, July 01, 2008
Asterisk or pizza?
At the basis of weighting there's the convolution theorem.
FT( f ⋅ g ) ∝ FT(f) * FT(g)
which can also be written as:
FT( f ⋅ g ) ∝ FT(f) ⊗ FT(g)
The choice depends, exclusively, on which symbol you use to indicate the convolution operation. If, after reading the linked Wikipe... | web |
Initial testing
As a first measure to analyze the binary, we set aside an unused lab machine and installed VMWare on it. In the virtual machine we then installed tripwire to be able to monitor any changes of system or log files. After the virtual machine was all configured and "the-binary" had been transferred, the ha... | web |
Take the 2-minute tour ×
Just what the title states. An artificial satellite will orbit Earth with some defined angular momentum. An aircraft,on the other hand, relies upon it's engines to provide continuous forward velocity & lift.
I understand the mass of the satellite, shape of the orbit may be a factor here. As a... | web |
read an environment variable
Major Section: PROGRAMMING
(Getenv$ str), where str is a string, reads the value of environment variable str, returning nil if none is found or if the read fails. The formal story is that getenv$ reads its value from the oracle field of the ACL2 state. The return value is thus a triple of... | web |
Take the 2-minute tour ×
So, I'm on my quest about creating a Java implementation of Huffman's algorithm for compressing/decompressing files (as you might know, ever since Why create a Huffman tree per character instead of a Node?) for a school assignment.
I now have a better understanding of how is this thing suppos... | web |
Take the 2-minute tour ×
This is a bit "one megabyte should be enough for anyone", but...
A 64-bit flat address space allows up to 4.3ish billion times more space than a 32-bit address space. That's 17,179,869,184 GiB.
Obviously, the transition from 8 bits to 16 bits was pretty quick (I'm viewing things in a teen-du... | web |
Acute Communicable Disease Control
Bioterrorism Surveillance, Preparedness and Response
Plague is an infectious disease that affects animals and humans. It is caused by the bacterium Yersinia pestis. This bacterium is found in rodents and their fleas and occurs in many areas of the world, including the United States.... | web |
For five months, Gao Lading and other angry farmers had occupied the walled compound of the Communist Party's village office. They had pitched tents, eaten rice and sweet potatoes, and waited.
It was a sit-in born of desperation. Officials from the nearby city of Yulin had seized land that had been part of the village... | web |
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Wonder-glass from Space
Pin it
Glass from Space
NASA-supported researchers have discovered that glass formed in space has remarkable properties.
see captionApril 14, 2003: It's easy: mix together some materials like sand, limestone and soda. Heat them above 2000o F. Then cool the incandescen... | web |
IRV example where voting for somebody makes him lose, while voting against him makes him win
#voters Their Vote
5 A>C>B
6 C>A>B
4 B>A>C
2 C>B>A
In this 17-voter election, A is both the IRV (Instant Runoff Voting) and the Condorcet winner. (Pairwise victories: A beats B 11-6; A beats C 9-8.)
If the C>B>A voters in th... | web |
Delila Program: rndseq
rndseq program
Documentation for the rndseq program is below, with links to related programs in the "see also" section.
{version = 1.13; (* of rndseq.p 2001 Nov 19}
(* begin module describe.rndseq *)
rndseq: generate random dna sequences
rndseq(sequ: out, rndseqp: in, output: out... | web |
Your Birthday Is a Terrible Password
Qualys Community Logo
This week's major Yahoo password breach exposed well over 400,000 passwords. Analysis of the password data dump reveals that many users are still clueless. A simple census of the stolen password reveals "123456" and "password" as the top two choices.
Qualys r... | web |
What causes the seasons?
What causes the seasons?
What do you think?
Many people believe that Earth is closer to the sun in the summer and that is why it is hotter. And, likewise, they think Earth is farthest from the sun in the winter.
Although this idea makes sense, it is incorrect.
It is true that Earth’s orbit... | web |
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I believe not, but as I read and read about testing in agile approach, separation between developers and QA, and between tests and specification becomes more and more fuzzy.
I read Test-Driven Development (TDD) as writing the tests before development so they guide developers how to implement ... | web |
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Black Hole Sound Waves
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Black Hole Sound Waves
Sound waves 57 octaves lower than middle-C are rumbling away from a supermassive black hole in
the Perseus cluster.
see captionSept. 9, 2003: Astronomers using NASA's Chandra X-ray Observatory have found, for t... | web |
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Can anyone provide me with less than five lines of code that I can save as .hs and run as a haskell program and see the magic happen? The internet is so complicated sometimes.
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echo "main = return ()" | runhaskell, since you asked for the "most simple" program. :-) ... | web |
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