Regular Expressions: 30 Useful Tools and Resources Regular expression, or often known as regex, is a pattern that consist of rules used to match a certain set of strings. They are extremely powerful, and you’ll need them in most programming languages you come across, especially when there’s a need to scan and match context for further actions. Here’s a simple example of regular expression – to match all string consist of "regular expression", "regular expressions", "regex", and "regexp" in a content, this is your regular expression pattern – reg(ular expression? Computer Science & Engineering for K-12: How the Internet Works - Part IV - DNS [This is the fourth in a 4-part post that describes an activity to demonstrate how the internet works. This part describes how the domain names (like "google.com") are translated into IP addresses.] Some notes on presentation:
Tor - The Onion Router Welcome to the exciting world of Tor! This page will get you up and running, in the fewest steps possible. For now, all you need to know is that Tor is a great tool for anonymity and privacy online. Get Tor Installed The first step is to download Tor. Educational Technology Guy: Prodigy - free math game that helps students learn math while having fun There is no doubt that math is a difficult subject both for students and for teachers. As a student, the idea of math can be daunting, as the subject often requires practice to refine skills and grasp concepts. However, as a teacher, coming up with ways to encourage math practice is difficult.
Conversion Central: 101 Tools to Convert Video, Music, Images, PDF and More Posted by nitzan on Wednesday, September 5th, 2007 Mega Tools There are lots of specialized tools out there, but sometimes you just need one good tool to get the job done. These mega tools are great for general conversions. Zamzar: Zamzar does all sorts of conversions, ranging from documents and images to music and video. In addition to its versatility, this tool boasts the ability to do all of your conversions without downloading software.SUPER: This aptly-named tool offers a simple and efficient way to convert any multimedia file to any format you need. Concordance at daniel shiffman Examples: Note: updated and extended examples on the A2Z CVS! Full example: concordance.zipIndividual source files: Concordance.java, Tree.java, A2ZFileReader.java. Simplified example using TreeMap instead of custom binary search tree: concordanceTreeMap.zip, Concordance.java, Word.java, A2ZFileReader.java Related:
Computer Science & Engineering for K-12: How the Internet Works - Part III - Routing Traffic [This is the third in a 4-part post that describes an activity to demonstrate how the internet works. This part describes how the internet routes traffic using IP addresses.] Some notes on presentation: This document presents the activity as a rough script with "ACTION" breakouts when you need to perform some task. In this activity, you will be presenting information and directing the students as they act out the various parts of the internet.You shouldn't just read from this script verbatim (since that will be rather dull), but you will probably want to have this printed out with you while you're presenting.
Skype makes chats and user data more available to police The changes to online chats, which are written messages conveyed almost instantaneously between users, result in part from technical upgrades to Skype that were instituted to address outages and other stability issues since Microsoft bought the company last year. Officials of the United States and other countries have long pushed to expand their access to newer forms of communications to resolve an issue that the FBI calls the “going dark” problem. Microsoft has approached the issue with “tremendous sensitivity and a canny awareness of what the issues would be,” said an industry official familiar with Microsoft’s plans, who like several people interviewed for this story spoke on the condition of anonymity because they weren’t authorized to discuss the issue publicly. The company has “a long track record of working successfully with law enforcement here and internationally,” he added. “The issue is, to what extent are our communications being purpose-built to make surveillance easy?”
Spotlight on Algebra The Education Week Spotlight on Algebra is a collection of articles hand-picked by our editors for their insights on: Preparing students in middle school for high school algebraImproving students’ algebra performance with practical instructional tipsOffering students the firm foundation in fractions essential to later algebra successIntegrating a “global perspective” into math instruction on a classroom level You get the six articles below in a downloadable PDF. New research suggests that word problems might be easier to grasp and more beneficial at the beginning, rather than the end, of a math lesson. November 19, 2014 - Education Week "Fraction camps" are just one technique researchers are exploring in their efforts to help students get a better grasp of one of the most troublesome topics in basic mathematics.
Sound Types What types of sounds can be found on the Web using FindSounds? Below is a partial list. Click on any link below to perform a search, or enter one or more words in the search box above and then click on the Search button. Animals alligator, baboon, bat, bear, bobcat, buffalo, bullfrog, camel, cat, cheetah, chimpanzee, chinchilla, chipmunk, cougar, cow, coyote, crocodile, deer, dinosaur, dog, dolphin, donkey, elephant, elk, ferret, fox, frog, gibbon, goat, gorilla, grizzly bear, guinea pig, hippo, horse, hyena, jaguar, kitten, lamb, lemur, leopard, lion, llama, marmot, monkey, moose, mouse, orca, panda, panther, pig, polar bear, prairie dog, puppy, rabbit, raccoon, rat, rattlesnake, rhinoceros, rodent, sea lion, seal, sheep, snake, squirrel, sugar glider, tiger, toad, whale, wolf, zebra Insects bee, cicada, cricket, insects, katydid, mosquito, wasp Noisemakers alarm, alert, beeper, bell, buzzer, chime, foghorn, horn, siren, slide whistle, sonar, whistle, wind chimes
Redbook Samples What follows are links to small bits of code and examples submitted by outside parties. Many of these use functionality no longer available in core OpenGL. GPU Skinned Skeletal Animation: Features GLSL GPU matrix palette skinning, normal mapping and LOD for animated OGRE XML files. Based on VC 2010.GPU Geometry Clipmaps: A minimal OpenGL implementation of the 2004 Siggraph paper on terrain rendering. Based on VC 2010.OpenGL 4 Tessellation Shader Tutorial: A simple OpenGL tutorial for using OpenGL 4 Tessellation Shaders. Based on VC 2010.OpenGL Win32 AppWizard: This appwizard creates a basic OpenGL application in MFC.
Computer Science & Engineering for K-12: How the Internet Works - Part II - The Phone System [This is the second in a 4-part post that describes an activity to demonstrate how the internet works. This part contains an introduction and a description of how the (landline) phone system works.] Some notes on presentation: This document presents the activity as a rough script. For this activity, you will be presenting information and directing the students as they act out the various parts of the internet.You shouldn't just read from this script verbatim (since that will be rather dull), but you will probably want to have this printed out with you while you're presenting. Use a highlighter and mark key points so that you can find them easily while presenting.Feel free to include additional information if you feel like it and accept questions and ad lib to follow the class interest.
Destroy Internet Tracking Files With PrivacyScan Editor’s note: The following review is part of Macworld’s GemFest 2012 series. Every weekday from mid June through mid August, the Macworld staff will use the Mac Gems blog to briefly cover a favorite free or low-cost program. Visit the Mac Gems homepage for a list of past Mac Gems. EQAO Guidelines Approve Use of @Desmos Test Mode App New iPad App Compliant With Ontario Grade 9 Math Standardized Test Rules Recently, I came across a post by Carl Hooker explaining how the Eanes Independent School District managed to get Desmos Test Mode approved for students writing the Texas State math tests (also check out Cathy Yenca’s post here). I’ll be honest and say I never really read too deeply into these posts until I heard from Jon Orr that a school district near Toronto was approved by the Educational Quality and Accountability Office (EQAO) to use this brand new app on the upcoming Grade 9 Assessment of Mathematics in June.