![]() ![]() Give your comments.Ī compiler translates a source program written in some high-level programming language into a target program in another low-level programming language. IDE isn't essential for developing Java programs but it makes the process easier and efficient.Ī compiler is specific to a language. JDK is essential for developing Java programs. JDK includes tools like Compiler, Interpreter, Java libraries, etc.īlueJ provides tools like Code Editor, Debugger, Syntax Highlighting, etc. JDK or Java Development Kit is the set of tools required to compile and run Java programsīlueJ is an IDE or Integrated Development Environment for developing Java programs. It translates the source program into target program one line at a time.Īll the errors found during compilation are displayed together at once.Įrrors are displayed line by line as each line is translated and executed. It translates the whole source program into target program at once. It is a set of statements in Machine Language. It is a set of statements in a High-Level programming language. (a) Source code and Object code Source code Five commonly used Java reserved words are: Reserved words are also known as keywords. Due to this, reserved words can’t be used as names for variables, methods, classes or any other identifier. In Java, a reserved word is a word that has a predefined meaning in the language. What are Java reserved words? Name any five. Three packages of Java Class Library are: Name three packages of Java Class Library. JVM is platform specific, each platform has its own JVM. Java Virtual Machine (JVM) is a software that takes Bytecode as input, converts it into Machine code of the specific platform it is running on and executes it. It needs to be converted into Machine Code first. Bytecode can't be executed directly on the processor. Java compiler converts Java source code into an intermediate binary code called Bytecode. As it reads the program line by line so the errors are reported one by one. The compiler processes the complete source program at once and if there are compilation errors, they are all reported together at once.Īn interpreter is a program that reads a source program line by line, converts each line into its equivalent machine code and executes it. It uses a compiler as well as an interpreter.Ī compiler is a program that translates a source program written in some high-level programming language into a target program in another low-level programming language without changing the meaning of the program.It provides us Write Once, Run Anywhere (WORA) feature. It is an Object Oriented Programming Language.Oak was renamed to Java and on 23rd of May 1995, Sun microsystems made its first public release. By 1994 the team refocussed their efforts towards internet programming with Oak as it didn't find much traction in consumer electronics space. ![]() Over the next 18 months, in 1992 the team created a new programming language which they called “Oak”. In 1991, at Sun Microsystems, Green team led by James Gosling started working on a new technology for consumer electronic devices. Give a brief historical development of Java. James Gosling developed Java programming language. Who developed Java? What was it initially called? Answer the following questions Question 1 Question 5īlueJ is a window based platform to operate Java program. Question 4Ī single line comment is represented by the symbol // in Java programming. The words which are preserved with the system are called keywords/reserved words, that can not be used as variable names in Java programming. It should not be confused with java.math package which contains BigDecimal, BigInteger and MathContext classes. The official documentation is provided here. In Java, the package used to find power raised to any base is java.lang.Ĭlarification: Math class inside java.lang package contains Math.pow that is used to find power raised to any base. Machine codes are expressed using alphanumeric characters.įalse Fill in the blanks with appropriate words Question 1 Java application is a Java program which is developed by users. Chapter 1 - Unit 2 Introduction to Java Class 9 - APC Understanding Computer Applications with BlueJ ![]()
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![]() The last four numbers express, in pixels, the position of the left, top, right, and bottom edges of the remote session window. Ignore the initial ":s:0,1," and focus on the last four comma-delimited numbers. ![]() The most important parameters are the numbers after winposstr. rdp file contents will look like this: screen mode id:i:2 There is some detailed additional in depth analysis of the interrelationship between these settings in this article on the Ohman Automation Corp website. The Remote Desktop Blog has an article on this that you can find here. If you are opting for a Windowed mode then the Window size you choose must be larger than the remote desktop size by some number of pixels that will vary depending on the dpi of your desktop but traditionally this would have been about 6 extra pixels in width and 27 or so in height (for the title bar). Obviously if this is larger than the window size you choose you will have scroll bars to deal with and if it's smaller then you will have unused space around the desktop. Where x and y are the dimensions of the desktop you want in pixels. The remote desktop size is set by the following two rdp file settings. The TS client will choose the best monitor in the latter mode depending on which physical monitor has the best overlap with the t,l,r,b requirements in the winposstr setting. Set x to 1 for Window mode and 2 for the RDP "Full Screen" mode. The Screen Mode option tells the TS Client to open in either Windowed or Full Screen mode screen mode id:i:x Opens up a 800圆00 window 100 pixels in from the left edge of your leftmost monitor and 100 pixels down from the upper edge. ![]() The l,t coordinates are relative to the standard Windows origin where (0,0) is the upper left of the virtual desktop and the r,b values are absolute width and height so: winposstr:s:0,1,100,100,800,600 M = mode ( 1 = use coords for window position, 3 = open as a maximized window ) The key settings are winposstr:s:0,m,l,t,r,b You can also independently set the remote desktop width and height within the window area you define. There are screen position and mode options in the RDP file which control this by setting the RDP Client window position and size but there aren't explicit options that specify which monitor, you will have to work with the settings and choose ones that deliver the results you want on your combination of monitors. ![]() ![]() ![]() Additionally, at each step, we check whether there could be a point on the other side of the splitting plane that is closer to the search point than the current best.Ĭonceptually, we are checking if a hypersphere around the query point with a radius equal to the current nearest distance intersects the splitting hyperplane of the node. During each unwinding of the recursion, we keep track of the distance and update the current best. ![]() Once we reach a leaf node, we compute the distance between the query point and that leaf node, and save it as the “current best”. At each level, we decide whether to go down the left or right subtree based on which side of the splitting hyperplane the query point lies. Starting at the root node, we recursively move down the tree until we reach a leaf node, following a similar process as when inserting a node. To accomplish this, we traverse the tree and compare the distance between the query point and the points in each leaf node. K-D trees are widely used for nearest-neighbor searches, where the objective is to find the point in the tree that is closest to a given query point. This alternative practice can be less computationally expensive than sorting the entire array of points. To address the added complexity, we can sort a fixed number of randomly selected points and use the median of those points as the splitting plane. One approach to finding the median is to use a sorting algorithm, sort the points along the selected axis and take the middle point. ![]() If the median point is not selected, there is no guarantee that the tree will be balanced. It is also worth noting that finding the median can add some complexity, as it requires the usage of another algorithm. To achieve this, it’s essential to select the median point every time. If the above algorithm is executed correctly, the resulting tree will be balanced, with each leaf node being approximately equidistant from the root. This process is repeated recursively for each child node, selecting a new axis and splitting the points based on their position relative to the new hyperplane. The left child of the root node is then created with the points in the subset that lie to the left of the hyperplane, while the right child is created with the points that lie to the right. ![]() ![]() ![]() Anyone who’s spent a lot of time in an RV knows that every inch of the vehicle becomes an integral part of your home. In a way, that makes sense: they are utilities, meant to do a job, not look nice. Power converters are usually, not to put too fine a point on it, ugly. The first thing I noticed about the Arterra WF-8955 wasn’t the specs or the safety features, but the way it looks. The Arterra WF-8955 also monitors the currents’ condition flowing through your RV, shutting off power automatically in dangerous situations. Only sending the amount of power your battery needs at that moment will extend its life. 2 VDC in “float” mode, which maintains a full charge.6 VDC while your battery is almost charged.4 VDC in “bulk charge mode” for when your battery is low and needs a lot of charging.The converter/charger only passes through the amount of power the battery needs: One feature is the different modes the device goes into while charging your battery from shore power. So, if we know we need a power converter, the question becomes: why this power converter/charger? What’s unique about the Arterra WF-8955 Converter/Charger? ![]() WFCO Electronics, a company specializing in RV electronics, manufactures the Arterra WF-8955 in Indiana. How Much Money Do You Need to Live in an RV Full Time? (Complete Breakdown) The Arterra WF-8955 is a dual-use device, so it can also perform this function. Likewise, you can’t charge your battery directly from a shore power source without conversion the opposite way – from AC to DC. This means that a TV or hairdryer can’t use electricity that comes directly from the battery–it needs to be converted into the proper format first. Converters are essential in modern RVs because household appliances need alternating current (AC) power, while the power stored in batteries is direct current (DC). The Arterra WF-8955 is an electrical converter capable of providing 55 amps of power to the household appliances you need to use in your RV. I’ve taken the time to outline some details about the Arterra WF-8955 so you can choose if this product is the right one for you and continue to enjoy the open road in comfort and security. When we are continuously on the road, we want to have peace of mind knowing that our battery or appliances aren’t going to go out on us. If you’re like me, you know that a reliable converter/charger is a must for your RV kit. Hey! This site is reader-supported and we earn commissions if you purchase products from retailers after clicking on a link from our site. ![]() ![]() ![]() There are also packages for small-scale industries, like the $5.99 package for 40 images per month or only $0.15 per image. The price range goes as low as $0.03 per image for 50,000 images or $1,650 per month. You can use the background remover tool of Removal.AI for free, and a paid subscription is available only if you want higher-resolution images. Clients will enjoy a fast turnaround time with this service, as fast as 24 hours. The team behind Removal.AI is an established photo post-processing company with experienced photo editors and retouchers.Īlternately, if you need results from professionals, Removal.AI also offers manual background removal services where you can upload your photo/s and let our professional editors edit your images manually. Removal.AI is an innovative Artificial Intelligence technology used to remove background from images. Highlighted below are the ten of the best free background removal tools that can remove background from any image. Top 10 Free Online Background Remover Tools Among these providers, only a few can produce professional-quality results. Many photo editing services providers offer to remove background from images free of charge. Photographers, online sellers, and e-commerce portals are the primary industries where a free online background remover is essential. ![]() Background Remover in a NutshellĪ free background remover removes or cuts out any unwanted object or the whole background of an image. ![]() And a free online background remover is a simple yet effective way to do just that. This is why adding a unique touch to photos is extremely important. They often become the foremost tool for clients in differentiating which businesses or products to patronize. From advertising products to marketing skills, photos can define the business. Many industries rely on good-quality photographs to grow and succeed in their business. Photos have become an integral part of today’s digital age. ![]() ![]() There are several bodily conditions & factors that could influence the presence of urine acid in a person. However, if the urine acid reading is below 4.5 or above 8, then it is a cause for concern, since a proper balance of alkalinity-acidity is essential for the proper functioning of the human body. Since the level of acid in urine should neither be too high, nor to low, a normal reading could be anywhere between 4.5 and 8. Therefore, the lower the pH value of urine, the more acidic it is. If the reading is higher than 7, the urine is basic and if the reading is lower, it means that the urine is more acidic. The reading of 7 on the scale shows a neutral pH value. Depending on how acidic the urine being tested is, the reading could range anywhere between 4.5 and 8. In order to measure how acidic the urine is, a Urine pH test needs to be conducted, which measures its basic or the acidic strength. Several people are totally in the dark about how the levels of acid urine should be measured, what the normal level of urine acid should be, if urine should be more acidic or alkaline in nature, whether there are certain factors that reduce or increase the levels of acid in urine and the exact causes of acidic urine. There are several substances that are present in human urine and one of those substances is Uric Acid. Urine should be passed as soon as the urge is felt. This is why one tends to have darker urine in the morning after hours of sleep and urine collection in the bladder. Urine that is not passed tends to lose water content and will gradually become more acidic. This will help the next release of urine to be less acidic.Īnother cause for acidic urine is when a person holds back on their urination. If acidic urine has been passed, the individual should immediately consume as much water as possible. In such conditions, more water should be consumed so that the urine acidity is maintained at an acceptable level. Acidic urine is common in hot and humid weather where the body loses a lot of its hydration through sweating. Water helps to dilute the urine and will provide nearly immediate relief to the body. In this situation, the most obvious acidic urine remedy is the consumption of water. It is also responsible for urine smelling stronger than it would normally do. This causes the urine to be darker in color. When the body does not have enough water, it will pass urine that has a higher concentration of waste materials and a lower concentration of water. ![]() The most common cause of acidic urine is a lack of hydration. The problem is one that compounds itself as the acidity causes more and more damage. This is why there is the sensation of burning. The lining of the urinary bladder and the urethra are damaged when acidic urine is passed. This discomfort is felt in the form of burning as urine is passed. When the acidity of the urine increases, it causes discomfort during urination.Īmong acidic urine symptoms, discomfort while passing urine is the most common problem. However, the degree of acidity is low enough for urine to be passed without any discomfort or pain. ![]() ![]() Acidic urine is a problem that affects many people. Urine collects throughout the day and is often passed when the bladder becomes full and signals its need to be evacuated. These impurities and surplus materials are passed into the urinary bladder along with some water. The kidneys filter the blood and remove the impurities and other materials that are considered to be surplus to the requirements of the body. It is a result of the filtration process that takes place in the kidneys. ![]() Urine is a waste product of the human body. Subscribe to our Newsletter: Healthy Diet Plans > ![]() ![]() Step 2: The Word Document Recovery will start scanning the disk to searching your deleted and unsaved Word document files. Step 1: Select the location where your Word document files lost, and then click "Start" to next. It is easy to use the tool and comes with a preview feature that enables you to crosscheck scanned files before actual recovery.ĭownload and install Recoverit Data Recovery on your computer, follow the next steps to perform Word document recovery on Windows computer. It can restore data as a result of deletion, partitioning, formatting, and virus or malware manifestation. Recoverit is an easy to use tool that you can use to recover various file types including documents, emails, videos, audios and images from computer's hard drive, memory cards, digital cameras, and external media storage. Video Tutorial on How to Recover Deleted Files on Windows 10/8/7 Easily? There are many free file recovery tools available, the best file recovery tool we recommend is Recoverit Data Recovery, and it can easily help you recover deleted or lost OpenOffice document files back. ![]() In such cases, documents can be recovered by using professional data recovery software. OpenOffice crashed and haven't saved the document or accidentally deleted or lost the document. How to Recover OpenOffice Unsaved and No Backup Document? Step 10: Save it to your desired location and continue editing the document. Step 9: Double-click the appropriate file to open it. Opening any folder opens Windows Explorer. Step 8: Open Windows Explorer and navigate to the backup directory. The default path is "C:\Users\Username\AppData\Roaming\\Version number\user\backup." Step 7: Choose "Paths." Note the location beside "Backups." All backups are stored in this directory. Step 6: Select "" at the top of the Options list. If it is, a backup may exist if not, check the box now to ensure that backups will be created in the future. Step 5: Look to see if the "Save AutoRecovery information every" box is checked. Step 4: Select "Load/Save" and choose "General." Step 3: Open the "Tools" menu and choose "Options." Step 2: Follow the on-screen directives to open the last saved backup if prompted otherwise, go on to the next step Click "Start," select "All Programs," choose "" and select the correct program. ![]() Upon restarting the application OpenOffice may prompt you to open the last saved document from backup or you can open the file directly from the backup directory.įollowing are the steps to recover the unsaved OpenOffice document from backup: However, if AutoRecovery is enabled in OpenOffice, your work may be safely stored in a backup folder. OpenOffice may close before you can save your work due to computer crashes, application freezes, and restart from system updates. ![]() Recover OpenOffice Unsaved Document from Backup It can be downloaded and used entirely free of any license fees. If you are already using another office software package, you'll take to OpenOffice straight away. OpenOffice is great software, easy to use and it's free. It stores all data in an international open standard format and can also read and write files from other common office software packages. The software is compatible with all major operating systems including Microsoft Windows, Apple macOS, and Linux. It is available in many languages and works on all common computers. ![]() OpenOffice or (OOo) is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases, and more. Bonus Tip: How to Enable Auto Recovery Option on Open Office.How to Recover OpenOffice Unsaved and No Backup Document?.Recover Open Office Unsaved Document from Backup. ![]() ![]() ![]() Enhance audio quality by reducing noise, speed change and amplifying.Ģ. Over 30 native signal and effects like compression, EQ, fade in/out, delay, chorus, reverb, etc.ġ. Input: MP3, WMA, WAV, AAC, FLAC, OGG, APE, AC3, AIFF, MP2, MPC, MPGA, M4A, CDA, VOX, RA, RAM, ARW, AIF, AIFC, TTA, G721, G723, G726 and moreĬut, copy, paste, trim, mute, copy, paste, delete, add Non-destructive, non-linear editing with unlimited undo/redo, even across editing sessions It mixes audio by panning, automation, mix groups.Ģ. ![]() The Flanger, Phaser, MultiChorus, Vintage Delay, etc.ġ. ![]() Trim, cut, merge, buse, plugin, insert, or send Output: WAV, AIFF, CAF, BWF, FLAC, OGG and more Input: WAV, AIFF, CAF, BWF, FLAC, OGG and more New waveforms show more detail and zoom and scroll smoothly. warping system allows you to analyze your audio and generate markers.Ģ. Over 3000 sounds that combine sampling, effects, and synthesis, including vintage synthesizers, etc.ġ. Split, merge, freeze, add, delete, audio and MIDI track Show various view window as waveform editor, spectral pitch display, etc. Invert, silence, delay, echo, and more about 20 effectsĢ. Output: AIFF, FLAC, AAC, MP2, MP3, WAV, OGG, WAV Input: AAC, AC3, AIFF, AU, FLAC, OGG, WAV, MP3, MP2S Generate audio silence, tone, noise, etc.Ģ. Trim, split, merge, mute, remove, sync, addĪmplify/fade-in/echo, and more about 50 effectsġ. Output: WAV, AIFF, MP3, OGG, FLAC, MP2, M4A, AC3, WMA Input: WAV, AIFF, OGG, FLAC, MP3, FFmpeg-compatible formats ![]() ![]() ![]() YouCam Perfect is a camera and photo editing app that offers a wide selection of photo effects, camera filters, collage options, stickers, frames, and animated effects. YouCam Perfect - Best for Beauty Touch-ups On your PC or laptop? Click the button below to download PhotoDirector for Windows/Mac. AI-powered tools to remove people from photos.Advanced layer editing options to create complex, multi-layered images. ![]() Includes a wide range of photo editing tools and photo animation effects.Perfect for a profile pic or a snap of your kids.īesides just features to remove people from photos, PhotoDirector has all you'll need to put any other finishing touches on your images. Select from blur styles to soften backgrounds, draw focus and add depth. Rather than remove a person from a photo, why not blur them out instead? Blur effects can add an artistic touch to drab or distracting backgrounds. With so many features at your fingertips, there are tons of creative ways to retouch your pictures. It offers a wide selection of editing features, including animated decorations, sky replacement, background replacement, overlays, and light effects. PhotoDirector is more than an app used to remove people from photos. Unlike other apps, PhotoDirector's Removal tool will enable you to remove unwanted objects against complicated backgrounds, such as steps and architectural lines. The app allows you to zoom in and adjust the brush size for greater precision. Thankfully, you can easily remove people from photos using PhotoDirector's advanced Removal tool. There's nothing worse than going through your vacation camera roll only to find a litany of tourists and photo bombers. PhotoDirector - Best Choice Overall To Remove People from Photos 10 Best Apps to Remove People from Photos 1. ![]() ![]() ![]() The reason we ranked it on top is that it features dual blade operation, which means the twin-blade can simultaneously draw in or exhaust out air as each of its blades can operate independently. ![]() If you are on a budget and are looking for a twin window fan, Holmes is probably the best deal for you. Starting our list with the best-overall window fan, which is none other than Holmes. Automatic Cooling and Remote Controlīest Window Fan Reviews 1. Bionaire Window Fan with Twin 8.5-Inch Reversible Blades Lotus Analin Dual Blade 9-Inch Twin Window Fan Comfort Zone CZ310R 3-Speed Reversible Window Fan But the noise shouldn’t be too loud to wake you up from your sleep. ![]() Low noise operation: Almost all window fans make some noise.They need to be manually removed, then turn it around if you wish to ventilate the house. Electrically reversible: Manually reversible fan means they operate as either intake or exhaust.Having an expandable window screen means the fan width can be adjusted to fit the window. Window fans with expandable screens: Whenever you buy a window fan make sure it comes with adjustable window screens.Before going to the review section, here is a list of a few things you may want to check before you buy a window fan: ![]() Willing to buy a window fan? Good! We have compiled a list of the 10 best window fans popular in the market right now. It makes them a convenient cooling device for high-temperature areas, larger living rooms, bedrooms and even kitchens. They are equipped with a reversible motor that can intake and exhaust simultaneously. Today, most of the window fans double as an exhaust fan. These are practical home appliances that are not only energy-efficient but are also effective at cooling down larger areas much faster compared to your average tower fan or table fan. It’s a smart thing to invest in, which will keep both the temperature and the utility bills low. 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