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Malware, as you know is a class of malicious software such as spyware, adware, or viruses that compromise with the system's performance and security. And in majority of cases they infiltrate through general Internet activities --- browsing, surfing, and downloading, or executing programs or files. Hence, most of the virus or malware defense methods are based on encouraging secure Internet access. Though, virus or malware authors are using astute development techniques, keeping a keen eye on the behavior of your machine, can be helpful in winning the battle of computer security. Following are a few notable symptoms, which can be perceived as an indication of virus or malware attack:

If you're setting up a worksheet only for yourself, you can simply leave an empty cell for this purpose. To check it, just type in an x or any other character. Then use a formula with the =isblank() function to make the contents of that cell affect the rest of the spreadsheet. But you might want something more mouse-friendly--especially if you're designing a spreadsheet for other people. I've tested the technique below on Excel 2007, 2010, and 2013. I'm not sure about earlier versions. You can insert checkboxes on Excel's Developer tab. Unfortunately, that tab is hidden by default. To make it visible in Excel 2010 or 2013, click the File tab and select Options. ClickCustomize Ribbon. You'll see two lists. Make sure that the one on the right is titled Main Tabs. Check Developer.

"Teaching critical thinking and creativity in writing can be a difficult task, but it is crucial in preparing students to meet the standards of the Common Core. Digital storytelling is a highly effective technique for doing so, as it requires a clear organization of thought, discipline, and problem solving skills - all of which can translate directly into more traditional essay writing. What's more, digital storytelling has the added benefit of meeting other Common Core standards relating to proficiency in technical skills. In this article, we'll take a deeper look at why digital storytelling is an effective approach for teaching writing, and how to do it best."

"Museums and galleries may be our first port of call when visiting a new city or planning a class field trip, but they are often overlooked when it comes to their digital offerings. What tends to happen when searching for digital resources is that we focus on digital search techniques, meaning we easily miss some of the best resources created by real world institutions. These days many great galleries, museums, memorials and world famous locations want to share their mystery and wonder beyond their physical walls, and with that comes a world of free teaching resources. For students, this connection between the real word and their study not only helps cement knowledge, it can also help foster the lifelong learning we all hope to encourage in our students"

"Having taught PE using iPad since it first came out in 2010 I have seen it grow rapidly as a tool to support teaching and learning. Having purchased one for personal use I could straight away see the opportunities it lent for me as a teacher with no fixed classroom.  All of a sudden I had access to information wherever I was round the school.  iPad 1 had its limitations though, namely the lack of a camera, but even without this it allowed me to make notes on learning, share videos with students about model technique and numerous other things to support my teaching, even simply planning and evaluating lessons on the go. Then came iPad 2 and the camera.  This changed everything and I knew straight away that this was the way forward for the whole of the department."

"The one thing that every teacher wants more of, besides salary, is time. I can't give you more time in the day. What I can do is point you to some tools and techniques for completing routine tasks more efficiently."

"In today's blog we share 10 of our favourite TED talks for and by educators. They're a great way to keep up with the latest teaching techniques, as well as be inspired by other passionate members of the profession."

"What strategy can double student learning gains? According to 250 empirical studies, the answer is formative assessment, defined by Bill Younglove as "the frequent, interactive checking of student progress and understanding in order to identify learning needs and adjust teaching appropriately." Unlike summative assessment, which evaluates student learning according to a benchmark, formative assessment monitors student understanding so that kids are always aware of their academic strengths and learning gaps. Meanwhile, teachers can improve the effectiveness of their instruction, re-teaching if necessary. "When the cook tastes the soup," writes Robert E. Stake, "that's formative; when the guests taste the soup, that's summative." Formative assessment can be administered as an exam. But if the assessment is not a traditional quiz, it falls within the category of alternative assessment. Alternative formative assessment (AFA) strategies can be as simple (and important) as checking the oil in your car -- hence the name "dipsticks." They're especially effective when students are given tactical feedback, immediately followed by time to practice the skill. My favorite techniques are those with simple directions, like The 60 Second Paper, which asks students to describe the most important thing they learned and identify any areas of confusion in under a minute. You can find another 53 ways to check for understanding toward the end of this post, also available as a downloadable document."

"The adoption of active learning techniques means discarding the traditional notion of what a "classroom" is and developing a new type of contemporary learning space: one that is more flexible, agile adaptive and equipped with technology to both personalize and expand conditions for learning. The comprehensive research, real-world examples, insights and exercises contained within the pages of Get Active: Reimagining Learning Spaces for Student Success provide that crucial first step for any educator or administrator looking to support today's learners with active learning concepts that will best prepare them for tomorrow's world."

"Teaching compassion, empathy, or knowing how to help someone is best learned through direct experience. Autism Discovery Tool, by Spectrum Idea Lab Inc. is one such app that promotes not only understanding, but also ways to help address an individual's needs, and gives kids and adults a chance to "walk a mile in someone's shoes". It was intended as a tool to help kids on the spectrum, their families and caretakers identify both sensory styles and compensatory techniques so that they could open up a dialogue to communicate and share experiences. This little app however, has a much more powerful impact and reach. I consider it an essential app for all classrooms and families who deal with sensory issues, and not limited to those on the autistic spectrum alone."

" If student engagement equals deeper learning, then making school fun might just be the key to improved learning.  Imagine the looks on students' faces when you tell them that today, right there at school, their job is to become toymakers. Once they get over the shock, they'll be thrilled to create their own toys and channel their creative energy with an added bonus of fun. It may be the best head-fake technique ever for embedding the problem-solving and creative thinking skills that students will need for digital age jobs. Thanks to 3D printing and other maker tools, students can gain valuable STEM and technology skills while engaging their brains instantly and in new ways. And this will help them as they get older, according to Glen Bull, co-director of the Center for Technology & Teacher Education at the University of Virginia."

""The best camera, is the one you have with you." Chase Jarvis It's a classic photographic mantra, a call to action for image-makers everywhere. And these days, the camera you are most likely to have with you is the one embedded in your smart phone. But do you know how to use it? What about your students? There are many great features built into our mobile devices for photography, and a myriad of apps to produce exciting visual imagery. While some teachers and students are experienced users creating highly original work using complex workflows and inventive techniques, in my workshops I am constantly amazed that it's some of the most basic tips and tricks that get the most cheers, the practical solutions that are big wins for our classroom context. So, here are six foundational tools built into the iPhone and iPad camera that all teachers and students should know."

"Throughout my 13 years of teaching, I heard this common theme time and time again from parents: How can I help? The troubles they professed were varied and numerous (e.g., concern, frustration, bewilderment). They often included the following: I don't remember algebra. I don't like math. The way math is taught now differs from when I was in school. All of these are certainly legitimate. Although people use math every day, even when they don't realize it, they are not necessarily using all the same concepts they learned in school. And as the saying goes, if you don't use it, you lose it. I'm sure some parents don't know how to solve quadratic equations or remember what it means for a relation to be a function. And yes, math teaching today may differ from when parents were in school. But the idea behind new techniques is to encourage students to become better problem-solvers, not to confuse parents or change the concepts. So, believe it or not, despite your fears and feelings of uncertainty, you can still help. Here are a few tips to get you started. "

"Paper, one of the most familiar, inexpensive, and abundant materials around, is great for arts and crafts. With the right techniques, however, you can also use it for anything from prototyping small models to constructing furniture or even boats and buildings. Here's how to push the limits of its potential."

"Like many kids of my generation growing up in India, I was an avid reader of Enid Blyton's novels. Many of her books were written as a series ("The Famous Five," "The Secret Seven" and "Five Find-Outers") and I recall wondering if the lives of characters overlapped in any way. Did a character from one series ever run into one from another, for example? I recall wondering the same thing in later years about P.G. Wodehouse's Blandings Castle and Jeeves series. Today, in a world where communities real and imagined are digitally connected via platforms like Facebook, Instagram and Tumblr, we can reframe that question in terms of those common nodes (or friends) in those characters' social networks. As it turns out, network theory as an analytic technique, or what I'd call computational literary analysis, is not just a bona fide research endeavor. It's also a great example of how computational thinking (CT) is truly a cross-disciplinary skill that can be weaved to enrich learning in any subject (not just math and science, as is sometimes the assumption). In an earlier article on computational thinking, I offered teasers of how CT could be integrated into language arts and social studies, in addition to math and science. Here's a detailed treatment of one of those examples, drawn from the work of Franco Moretti's group on "Computational Criticism," which is part of the broader Digital Humanities initiative at Stanford. (See this New York Times profile for more on the work of this group)."

"Easy, straightforward techniques to jumpstart innovative thinking and surface new, brilliant ideas."

"STEM (science, technology, engineering, and math) is more than just an acronym or a collection of letters. Rather, it is an instructional movement that embodies cross-curricular concepts from four fundamental disciplines, as well as a research-based strategy that addresses the future needs of a technology-driven work force and sustaining a global economy. The importance of STEM is further validated by its prominence in the Next Generation Science Standards (NGSS). One of the most effective instructional approaches toward the implementation of STEM in grade-level courses is through project-based learning (PBL). In this approach, instruction occurs through student-centered investigations focused on a specific topic driven by a set of objectives, culminating in a broadly-defined product or technique. Projects foster an environment of discussion, creativity, problem-solving, inquiry, modeling, and testing, and are applicable to students in all grade levels and subjects, but particularly within the STEM arena."

"A recent MindShift article highlighted some things teachers should be aware of if they're bringing mindfulness into their classrooms. Students may have experienced trauma that makes sitting silently with their eyes closed feel threatening, and teachers can't assume it will be an easy practice for every child. That awareness is important to create an inclusive environment, but it doesn't mean that teachers shouldn't cultivate their own mindfulness practice or use some techniques with students. Often mindfulness is used as a way to help students build self-regulation skills and learn to calm down when they become frustrated or angry. Cultivating those skills can be powerful for students, but many teachers say mindfulness is crucial for themselves, helping them take an extra moment before reacting to students. "The best way to practice trauma-informed mindfulness is [for teachers] to have their own practice and interpret the behavior of the youth through a trauma-informed lens, even if they never do mindfulness training with the kids," said Sam Himelstein, a clinical psychologist, trainer and author who has spent most of his career working with incarcerated youth. He's received a lot of questions about how to be trauma-informed while still using mindfulness in classrooms since the first article. He suggest nine guidelines for teachers that he uses to make sure mindfulness practice with youth is helping, not hurting."

"Since its humble beginnings as a crank newspaper put out by college students in 1988, satirical news source The Onion has been cracking Americans up with headlines like "Kitten Thinks of Nothing but Murder All Day" and "Black Man Given Nation's Worst Job" (to mark the inauguration of President Obama). How has it managed to come up with so many hilarious headlines for so many years? According to fascinating recent TED Ideas post by ex-Onion staffer Brian Janosch, the answer is a really, really good brainstorming technique -- one you can totally steal."