![]() ![]() ![]() Some of these systems can even reproduce the original page's format, including images, columns, and other non-textual components. You can also simply drag-and-drop it into the box. However, more advanced systems are now widely available that can achieve high levels of accuracy in recognizing most fonts, and can accept a variety of digital image file formats as input. Upload a TXT file from your computer, or through a cloud storage service such as Google Drive or Dropbox. PDF converter for text files On this page you can easily convert text files into PDFs. Then save the result as a PDF on your computer. Click the Convert to PDF button to start the conversion. What is PDF to text converter This converter is an OCR online tool that extracts text from PDF files. Click on start over for another conversion. In the past, early versions of OCR required individual training with images of each character and could only recognize one font at a time. Select your text files to be converted to PDF or drag and drop them into the file box and start the conversion. How to Convert TXT to PDF Click the Choose Files button to select your TXT files. To extract text from PDF, you will have to: Browse or Drop the file. OCR is a subject of research in the fields of artificial intelligence, pattern recognition, and computer vision. ONLYOFFICE provides one API to convert all kinds of Office documents: texts, sheets, slides, forms, PDFs, eBooks and more within. OCR is widely used for data entry and machine processes such as text-to-speech, machine translation, cognitive computing, and text and data mining. It converts images of typed, printed, or handwritten text into machine-encoded text, making it easier to edit, search, store, and display electronically. It boasts a powerful built-in OCR feature. OCR, or optical character recognition, is a popular technology used for digitizing printed text records, such as invoices, bank statements, passport documents, business cards, and mail. Google Docs works hand in hand with Google Drive to help you convert PDF to Text online for free. This can be done by scanning a document, taking a photo of it, capturing text from a scene-photo (such as a picture of a sign or billboard), or extracting text from subtitle overlays on images (such as those used in television broadcasts). Optical character recognition (OCR) refers to the process of electronically or mechanically converting images of printed, handwritten, or typed text into machine-encoded text. Use OCR online to extract text and characters from scanned PDF documents (including multipage files), photos and digital camera captured images Image to text Any JPG, BMP or PNG images can be converted into text output formats with the same layout as original file Convert PDF to DOC Convert PDF to WORD or EXCEL online. ![]()
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![]() ![]() Visit iconic Downtown Manhattan attractions, including One World Observatory, 9/11 Memorial Museum, the Statue of Liberty, and Ellis Island on one combined ticket. Come see why One World Observatory is truly An Experience Above.īring the city to your home through One World Explorer, a Digital Skyline Guide that offers helicopter tours of New York City’s most iconic sites for you to virtually visit. Don’t leave without stopping by the ONE Mix bar for a glass of celebratory prosecco and one last look toward the horizon. Take an interactive guided tour of the city with the help of a tour ambassador, available to answer questions about New York’s long and storied history. The most common ethnicity at Resorts World New York is White (49). 39 of Resorts World New York employees are women, while 61 are men. But the one in the Catskills hands over 37 of its revenue in taxes while the one in the city pays 66. ![]() ![]() Step onto the Sky Portal and stroll high above the crowded streets. After extensive research and analysis, Zippias data science team found that: Resorts World New York has 3,000 employees. A slot machine at Resorts World Catskills in upstate New York and a slot machine at Resorts World New York City appear identical to players. Drop into the café and grab a bite to eat. WPXO-LDs transmitter is located at the Empire State Building. GFNY NYC serves as the GFNY World Championship and every May, cyclists descend onto New York City and the starting line on the world’s busiest bridge, George. WLIW is owned by the New York City-based (formerly the Educational Broadcasting Corporation), and is a sister station to both New York Citys primary. The station is owned by Caribevision Holdings, Inc. Today, GFNY is the largest global cycling marathon brand, offering events, cycling apparel, casual apparel, gear, sunglasses and coffee to passionate cyclists around the world. There, 102 stories up, there are undisrupted views of New York’s iconic skyline.Įxplore the three sprawling levels of the Observatory. WPXO-LD, virtual channel 34 (VHF digital channel 4), is a low-powered América TeVé-affiliated television station licensed to East Orange, New Jersey, United States and serving the New York City television market. Live news, investigations, opinion, photos and video by the journalists of The New York Times from more than 150 countries around the world. Start by hopping in a Sky Pod to the top of the tallest building in the Western Hemisphere. There are a million things to experience in New York City, but there’s only one way to see them all at once. ![]() ![]() But for the time being, using this Pi as an official itty bitty computer, the Flirc case is superb.įollow Arcane Science Lab on WordPress. The Flirc Raspberry Pi 4 case comes in two halves: the bottom is a soft-touch plastic shell, and the top half is milled aluminium coated with more soft-touch. If I need cooling beyond what Flirc currently offers then I’m going to have to use an active cooling solution, i.e. Cases Flirc Raspberry Pi 3 Case IXIA Edition The Kodi Edition Raspberry Pi Case (Gen 1) CanaKit Raspberry Pi4 Silver case CanaKit Raspberry Pi4 White case Cryptomaan Flirc Raspberry Pi Case Flirc Raspberry Pi 4 Case Flirc Raspberry Pi Case Flirc Raspberry Pi Zero Case PiHole Raspberry Pi4 Case Techaide Raspberry Pi4 Case The Kodi. The Flirc case is not the one case to rule them all. This item: Flirc Raspberry Pi 4 Case (Kodi Edition) 22.00 Raspberry Pi 4 Model B Official PSU, USB-C, 5.1V, 3A, US Plug, Black SC0218 Pi Accessory (KSA-15E-051300HU) 19.95 Raspberry Pi 4 Model B Quad Core 64 Bit WiFi Bluetooth (8GB) 339. Even with heat sinks attached, the official enclosure has no venting the system will just cook itself inside the official case unless you remove the top like I wound up eventually doing. But I still say, considering how much heat the Raspberry Pi 4 dumps out, that you’re better off with a Flirc case than the official enclosure. I know that the official red-and-white Raspberry Pi 4 case is $5. I’m in the process of looking for a special flat cable with a header to use with the Flirc case. ![]() ![]() I’m sure if you’re using a subset of the GPIO pins and using individual wires bundled together you won’t have a problem. The problem with the GPIO flat cable connector is with a continuous flat cable. If you want to buy one for yourself then here’s the link: The processor runs about 10☌ cooler than allowing it to run opened up. CPU temperature is not as low as I had hoped.The distance between the posts used to hold the Pi on that side match the holes, but are too thick and as a consequence too close together. Flirc Raspberry Pi 4 Case (No reviews yet) Write a Review 16.95 Brand FLIRC SKU: 2105 Quantity: IN STOCK Add to Wish List Description Show Reviews The perfect home for your new Raspberry Pi 4. Can’t use a flat cable with a standard header to plug into the the GPIO port.As far as I’m concerned the official Raspberry Pi 4 case is a waste of your money. Processor temperature in this case is a good 30☌ less than running it in the official Raspberry Pi 4 case.Insertion and removal of the SDXC card through the case is the best I’ve ever seen and experienced in a case.Extremely easy to insert the Raspberry Pi 4 and fasten case and Pi together.Conducts heat away from the processor and into the entire aluminum case. Excellent quality plastic top and bottom finishing.Every exit hole was clean and properly centered over every port. Solid aluminum case with excellent finishing. ![]() Flirc case with Raspberry Pi 4, 2GB, installed Pros ![]() ![]() ![]() Malicious users, this meant that malware needed to be coded with a payload Although not an impossibly large hurdle to Power PC processors, which use different instruction sets and assembly language As a result, most malicious code writersĬhoose to target Windows so that they can have a much wider impact.Īnother factor is that until recently Mac OS X was designed to run only on Reasons for this chief among them the fact that there are far fewer Macs in the Malware that have been created to exploit flaws in Mac OS X. Secure operating system is that there are very few viruses or other forms of What really makes this example seem like evidence of Mac OS X as a perfectly This is what most people point to as proof that Mac OS X must Using a Mac without changing any of the default install settings for months Some adware, or a virus on it pretty quickly. If you boot up and surf the Web using a Windows PC without installing orĬonfiguring any security tools, it will likely pick up some piece of spyware, It is important to give certificates the protection they need so they can’t be used maliciously.101 Reasons to Switch to the Mac (Digital Shortcut) ![]() “The implications of this study shows that certificate owners need to keep a careful eye on them to prevent them from falling into the wrong hands. “Our investigation shines a light on an often unknown and seedier secret life of code-signing certificates, which is completely unknown to their owners,” DiMaggio concluded. The file the exploit delivered was a self-extracting executable that ultimately installed malware Symantec dubs Nidiran. One of the group’s booby-trapped webpages, for example, was able to exploit a 2014 vulnerability in a Microsoft Windows component known as Object Linking and Embedding when it was viewed with Internet Explorer. This means that untrusted software may not be allowed to run unless it is signed.”ĭigitally signed certificates allow Suckfly exploits to work seamlessly without calling attention to themselves. Attempts to sign malware with code-signing certificates have become more common as the Internet and security systems have moved towards a more trust and reputation oriented model. “Attackers are taking the time and effort to steal certificates because it is becoming necessary to gain a foothold on a targeted computer. “Signing malware with code-signing certificates is becoming more common, as seen in this investigation and the other attacks we have discussed,” Symantec researcher Jon DiMaggio wrote in Tuesday’s blog post. The certificate-theft attacks come as operating systems increasingly make code signing a requirement for installing apps. Sometimes, software developers inadvertently publish their signing keys, as was the case in September with modem manufacturer D-Link. Black Vine, a separate APT group responsible for the devastating 2014 breach of health insurer Anthem, is yet another example. Malware dubbed Winnti that came to light in 2013 targeting more than 30 online video game companies also used stolen certificates, as did an advanced persistent threat group known as Hidden Lynx that was exposed the same year. The Stuxnet worm that disrupted Iran’s nuclear program six years ago was signed with legitimate certificates from companies located in Taiwan. It’s by no means the first time advanced malware outfits have used stolen certificates. While the physical proximity is suspicious, the researchers ultimately speculated the certificate thefts weren’t the result of any physical attack and were most likely the result of the owners being infected with malware that had the ability to search for and extract signing certificates. Curiously, all nine of the compromised companies are located within a few miles of each other in Seoul. When the researchers searched for other executable files that used the same credential, they eventually uncovered three more custom tools from the same group of black-hat hackers.Īfter tracing the hacking group’s traffic to IP addresses in Chengdu, China, Symantec researchers ultimately identified a much larger collection of custom-developed backdoors and hacking tools that were signed by nine different certificates from nine different companies. ![]() Company researchers first came upon the group last year when they identified a brute-force server message-block scanner that was signed with a certificate belonging to a South Korean mobile software developer. Since 2014, the group has used no fewer than nine separate signing certificates from nine separate companies to digitally sign its hacking wares, according to a blog post published Tuesday by security firm Symantec. For a gang called Suckfly, one of the keys is having plenty of stolen code-signing certificates on hand to give its custom malware the appearance of legitimacy. There are lots of ways to ensure the success of an advanced hacking operation. Enlarge / By default, Mac OS X allows applications to run only if they are signed with a valid certificate. ![]() ![]() ![]() If you're asking for help learning/understanding something mathematical, post in the Quick Questions thread or /r/learnmath. ![]() Requests for calculation or estimation of real-world problems and values are best suited for the Quick Questions thread, /r/askmath or /r/theydidthemath. For example, if you think your question can be answered quickly, you should instead post it in the Quick Questions thread. Questions on /r/math should spark discussion. Rule 2: Questions should spark discussion Please avoid derailing such discussions into general political discussion, and report any comments that do so. In particular, any political discussion on /r/math should be directly related to mathematics - all threads and comments should be about concrete events and how they affect mathematics. Similarly, the Banach–Tarski paradox fails because a volume cannot be taken apart into points.All posts and comments should be directly related to mathematics, including topics related to the practice, profession and community of mathematics. We can imagine the intermediate value theorem's failure as resulting from the ability of an infinitesimal segment to straddle a line. The construction of discontinuous functions fails because a function is identified with a curve, and the curve cannot be constructed pointwise. These segments can be thought of as being long enough to have a definite direction, but not long enough to be curved. Intuitively, smooth infinitesimal analysis can be interpreted as describing a world in which lines are made out of infinitesimally small segments, not out of points. ![]() Statements in nonstandard analysis can be translated into statements about limits, but the same is not always true in smooth infinitesimal analysis. Some theorems of standard and nonstandard analysis are false in smooth infinitesimal analysis, including the intermediate value theorem and the Banach–Tarski paradox. However, smooth infinitesimal analysis differs from nonstandard analysis in its use of nonclassical logic, and in lacking the transfer principle. Smooth infinitesimal analysis is like nonstandard analysis in that (1) it is meant to serve as a foundation for analysis, and (2) the infinitesimal quantities do not have concrete sizes (as opposed to the surreals, in which a typical infinitesimal is 1/ω, where ω is a von Neumann ordinal). Other mathematical systems exist which include infinitesimals, including nonstandard analysis and the surreal numbers. However, there are also models that include invertible infinitesimals. In typical models of smooth infinitesimal analysis, the infinitesimals are not invertible, and therefore the theory does not contain infinite numbers. However, there are plenty of x, namely the infinitesimals, such that neither x = 0 nor x ≠ 0 holds, so the function is not defined on the real numbers. If the law of the excluded middle held, then this would be a fully defined, discontinuous function. One can see that the law of excluded middle cannot hold from the following basic theorem (again, understood in the context of a theory of smooth infinitesimal analysis):Įvery function whose domain is R, the real numbers, is continuous and infinitely differentiable.ĭespite this fact, one could attempt to define a discontinuous function f( x) by specifying that f( x) = 1 for x = 0, and f( x) = 0 for x ≠ 0. In particular, in a theory of smooth infinitesimal analysis one can prove for all infinitesimals ε, NOT ( ε ≠ 0) yet it is provably false that all infinitesimals are equal to zero. This approach departs from the classical logic used in conventional mathematics by denying the law of the excluded middle, e.g., NOT ( a ≠ b) does not imply a = b. The nilsquare or nilpotent infinitesimals are numbers ε where ε² = 0 is true, but ε = 0 need not be true at the same time. As a theory, it is a subset of synthetic differential geometry. Lawvere and employing the methods of category theory, it views all functions as being continuous and incapable of being expressed in terms of discrete entities. Smooth infinitesimal analysis is a modern reformulation of the calculus in terms of infinitesimals. Modern reformulation of the calculus in terms of infinitesimals ![]() ![]() We show some of the basics steps here, for more details follow the tutorial online. The interface of an earlier version of BlueJ but the steps are the same as the There isĪ tutorial online, available at, showing how to record and run test cases in BlueJ. As they become familiar with JUnit's terminology, they can write their own test cases in the source code editor window, much like they write plain Java code. The recording of the test methods allows the beginning student to capture testing expressions without having to know the syntax of JUnit. In BlueJ, you first create a test class, record your test cases (methods), and then execute either all of your test cases or individual test methods. If you have a recent version of BlueJ, you already have all you need to use JUnit. The current version of BlueJ (version 3.0.7), avialable at, includes support for testing directly integrated in the IDE. The JUnit home on SourceForge ( ) has several good sources for learning JUnit, including release notes, a Cookbook, Javadoc, and frequently asked questions.Īt the time of this writing, there are three main unit test frameworks for Java. Instructions for git are available on this page. You can download it in zip or tar format or even just clone the project using git. You can download JUnit from its home on the web ( ). Nevertheless, it is good to familiarize yourself with the online repository where JUnit lives and with the options for downloading JUnit directly. ![]() Since most IDEs include support for JUnit, the jar files for JUnit are already included in your setup. For more professional treatment of testing,Ĭheck the Reference section to see other material. Testing support that you can use in lectures, assignments or that your students To show you how to use testing in the classroom, and as such, we will focus on On how to run tests from the command line (shell), just in case you prefer the However, provides very different support for creating tests,Įxecuting tests, and managing your testing process. Versions of these systems come preconfigured with JUnit. for Windows 64 bit, download the jGrasp Bundled exe. Bundled with OpenJDK 13.0.1, Checkstyle 8.23, and JUnit 4.12. You how to setup JUnit in Eclipse, BlueJ, NetBeans, and JGrasp. We recommend jGRASP as it provides data visualization which helps you understand better how the program works. With your IDE of choice to have JUnit ready for use. Import static preparation for the workshop, we strongly recommend you configure your laptop Implement the test condition and check the condition using assertEquals API of JUnit.Ĭreate a java class file named TestJunit.java in C:\>JUNIT_WORKSPACE. * This class prints the given message on console.Ĭreate a java test class, say, TestJunit.java.Īdd a test method testPrintMessage() to your test class.Īdd an Annotaion to the method testPrintMessage(). Create a ClassĬreate a java class to be tested, say, MessageUtil.java, in C:\>JUNIT_WORKSPACE. Here we will see how to execute the tests with the help of JUnitCore. ![]() For one-shot test runs, use the static method runClasses(Class).įollowing is the declaration for class: To run tests from the command line, run java. It supports running JUnit 4 tests, JUnit 3.8.x tests, and mixtures. ![]() The test cases are executed using JUnitCore class. ![]() ![]() ![]() The interactions between large carnivores and scavengers should be considered in future studies of food webs and ecological communities.Ĭitation: Allen ML, Elbroch LM, Wilmers CC, Wittmer HU (2014) Trophic Facilitation or Limitation? Comparative Effects of Pumas and Black Bears on the Scavenger Community. Our results suggest that scavengers have species-specific adaptions to exploit carrion despite large carnivores, and that large carnivores influence the structure and composition of scavenger communities. In addition, we found that pumas and black bears both increased the nestedness (a higher level of order among species present) of the scavenger community. ![]() Black bears also had large negative effects on scavenger sum feeding times (88.5 min☑9.8 SE at carcasses where bears were present, 372.3 min±50.0 SE at carcasses where bears were absent). In contrast, black bears, as the dominant scavenger in the system, limited consumption of carrion by scavengers as evidenced by the observed reduction of scavenger species richness recorded at carcasses where they were present (mean = 2.33☐.28 SE), compared to where they were absent (mean = 3.28☐.23 SE). Pumas, as a top-level predator, facilitated the consumption of carrion by scavengers, despite significantly reducing their observed sum feeding times (165.7 min☒1.2 SE at puma kills 264.3 min☓0.1 SE at control carcasses). We found that pumas ( Puma concolor) and black bears ( Ursus americanus) had different effects on their ecological communities. We used an experimental approach based on motion-triggered video cameras at black-tailed deer ( Odocoileus hemionus columbianus) carcasses to measure the comparative influences of two large carnivores in the facilitation and limitation of carrion acquisition by scavengers. Large carnivores facilitate the movement of energy across trophic levels through the scavenging and decomposition of their killed prey, but competition with large carnivores is also likely to constrain acquisition of carrion by scavengers. The genetic analysis showed the South American giant bear was more closely related to the modern bear, even though it looked more like the North American giant bear, indicating the two extinct species evolved independently as an adaptation to exploit a similar ecological niche.Scavenging is a widespread behaviour and an important process influencing food webs and ecological communities. This included DNA extracted from a femur of a giant bear found in a cave in Chile and DNA from the largest species of North American giant bear Arctodus simus. ![]() To shed light on the evolution of the giant bears, Dr Mitchell and colleagues compared the mitochondrial DNA of Arctotherium and Arctodus bears with the DNA of the living spectacled bear. The giant bears in North America belonged to the genus Arctodus while in the South America it was the genus Arctotherium.īoth were members of a group, which today has only one living member - the much smaller and largely vegetarian Andean spectacled bear ( Tremarctos ornatus). This much smaller and mainly vegetarian South American spectacled bear is the only living relative of the group of bears that included the giant bears ( en:User:Cburnett/Wikimedia) Genetic study of living and extinct bears "They could just get anything out of the way that was there originally, and just tuck in," Dr Mitchell said. "This opened up a bit of a gap that looks like the bears took advantage of separately in North and South America."īy turning into giants, the bears could spot vultures circling and quickly get to any newly-killed prey and get a meat meal without the risk and energy of having to do their own hunting. There would also have been specialised predators like wolves, lions and sabre-tooth cats, but there would have been no specialised scavengers, Dr Mitchell said. The animals strode around on their long legs, eating whatever they could find, but the shape of their teeth suggests they were better adapted for eating meat than plants, he said.Īt the time the giant bears lived there would have been lots of large herbivores, such as bison and mammoth in North America, and horses and giant ground sloths in South America. The bears roamed the grasslands and open woodlands of the New World from about 2.5 million years ago to about 12,000 years ago. "We think their large size was a particular advantage that let them exploit carcasses from other predatory species," said evolutionary biologist Dr Kieren Mitchell from the University of Adelaide, who was lead author on the new paper.ĭr Mitchell said giant bears from the Tremarctinae group were among the largest land-based carnivorous mammals that ever lived. The findings, published in the Royal Society journal Biology Letters, found that short-faced bears weighing over a tonne evolved independently in North and South America. ![]() ![]() ![]() Dead zed 2 hacked all weapons unlocked click on the stars to rate. Source: Between levels you must search for survivors and supplies to to maximize your chances of survival. Source: The dead people have risen from their graves and now they are rushing to your city. Use the mouse to navigate the game interfaces and start playing the game. 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For example, birch, holly and spindle are completely unknown here except where they have been introduced by white settlers, and the Garry oak – our only native oak – is a relatively small, shrubby tree found in a few dry prairie areas, not a mighty lord of the forest like the English oak. ![]() The complicated natural history of North America’s northwest coast, shaped by volcanic fire, glacial ice, and the torrential rains of one of the world’s few temperate rain forest environments, has created a unique ecosystem with few parallels in the Old World.Īs a result, some of the traditional Ogham species are not native to this region, and many of those that are native have wholly different roles in the local ecosystem. The Puget Sound area of the Pacific Northwest, where I live and practice Druidry, is nearly a different planet in botanical terms. The tree-Ogham as it has come down to us in modern Druid tradition is a creation of the British Isles, and draws on the trees of that region. ~ Erynn Rowan Laurie, “The Preserving Shrine” (from The Druid Renaissance, ed. Because they are here, now, they speak more clearly to me and with greater power than places half a world away. These things have as much to teach us as the rowan or the Shannon or Mount Snowdon. ![]() I live with the Duwamish river and the mountain called Tahoma. I live with cedars and dog-tooth violets, with banana slugs and stellar jays. But it holds many different things as well. It shares many things with the wild lands of my European ancestors wolf and salmon, oak and eagle. All rights reserved.īecause I live in North America, my wilderness is not that of the Irish Iron Age, or the forests and mountains of modern Wales. ![]() ![]() ![]() Keep in mind that physical sunscreens work by reflecting sunlight. 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Thinkbaby and Thinksport sunscreens are perfect for sensitive skin. The Environmental Working Group and the FDA recommend reapplying sunscreen every two hours. It will maintain its SPF after 80 minutes of water immersion. Thinkbaby and Thinksport sunscreens are a physical sunscreen, meaning it works immediately upon application. Please note that use of sunscreen on children younger than 6 months of age requires a doctor's prescription. Thinkbaby and Thinksport sunscreens are perfect for daily use and for anyone spending time in the sun, including pregnant women, children over 6 months, and for anyone with sensitive skin. How do I apply Thinkbaby and Thinksport Sunscreen? ![]() |