So, rather than get mired in details, we’ll just handwave and say that there’s a way to take our above described AST for var a = 2 and turn it into a set of machine instructions to actually create a variable called a (including reserving memory, etc.), and then store a value into a. This part varies greatly depending on the language, the platform it’s targeting, etc. The tree for var a = 2 might start with a top-level node called VariableDeclaration, with a child node called Identifier (whose value is a), and another child called AssignmentExpression which itself has a child called NumericLiteral (whose value is 2).Ĭode-Generation: the process of taking an AST and turning it into executable code. This tree is called an “AST” ( Abstract Syntax Tree). Parsing: taking a stream (array) of tokens and turning it into a tree of nested elements, which collectively represent the grammatical structure of the program. Put simply, if the tokenizer were to invoke stateful parsing rules to figure out whether a should be considered a distinct token or just part of another token, that would be lexing. Note: The difference between tokenizing and lexing is subtle and academic, but it centers on whether or not these tokens are identified in a stateless or stateful way. Whitespace may or may not be persisted as a token, depending on whether it’s meaningful or not. This program would likely be broken up into the following tokens: var, a, =, 2, and. For instance, consider the program: var a = 2. Tokenizing/Lexing: breaking up a string of characters into meaningful (to the language) chunks, called tokens. In a traditional compiled-language process, a chunk of source code, your program, will undergo typically three steps before it is executed, roughly called “compilation”: It is not compiled well in advance, as are many traditionally-compiled languages, nor are the results of compilation portable among various distributed systems.īut, nevertheless, the JavaScript engine performs many of the same steps, albeit in more sophisticated ways than we may commonly be aware, of any traditional language-compiler. It may be self-evident, or it may be surprising, depending on your level of interaction with various languages, but despite the fact that JavaScript falls under the general category of “dynamic” or “interpreted” languages, it is in fact a compiled language. We’ll call that set of rules: Scope.īut, where and how do these Scope rules get set? Compiler Theory These questions speak to the need for a well-defined set of rules for storing variables in some location, and for finding those variables at a later time. Without such a concept, a program could perform some tasks, but they would be extremely limited and not terribly interesting.īut the inclusion of variables into our program begets the most interesting questions we will now address: where do those variables live? In other words, where are they stored? And, most importantly, how does our program find them when it needs them? In fact, the ability to store values and pull values out of variables is what gives a program state. One of the most fundamental paradigms of nearly all programming languages is the ability to store values in variables, and later retrieve or modify those values. View on GitHub You Don’t Know JS: Scope & Closures Chapter 1: What is Scope? You Don’t Know JS: Scope & Closures | You-Dont-Know-JS You-Dont-Know-JS A fork of book series on JavaScript.
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This app is really good but I generally find it a fiddly faff to be editing videos on my phone and my phone often can’t cope with the huge video files taken on my camera. They have lots of old landscape video footage from previous holidays and travels and now they’d like to edit this footage to make fun little videos for social media.Īnother platform you can do this on is InShot, an app for your phone or tablet. This is something I’m seeing lots of people doing for TikTok or Instagram Reels. This feature is amazing if you’ve filmed your footage in landscape and then decide to make a Reel out of it for Instagram as it will crop and frame your landscape footage for you! This might sound a bit complicated but it isn’t at all. If you’re making it for YouTube then you’ll film in landscape and your aspect ratio is 16:9. If you’re making it for Instagram then you’ll want to film in portrait mode and use an aspect ratio of 9:16 which means it will be a long, thin rectangle. You can change the aspect ratio (the shape) of the video to suit whichever platform you’re going to upload it to. I chop out any wobbles, any footage that is out of focus and any clips that are long and boring. I get all of my clips into a line and shorten all of my clips to about 2-3 seconds. If you’re new to video making then all you really need to focus on is cutting your clips, chopping the bad bits and stitching them together into a cohesive line.Īnd thankfully, this is what Wondershare Filmora makes so simple. Here are some things I like about Wondershare Filmora If you have a long flight and you’re travelling with your laptop then this is the best time to play around! The best way to learn is simply to play around with it as much as possible. I have hard drives full of video footage that I never edited because I had no idea how to use my software! So opt for something simple and learn to use it properly. If you don’t own a camera then have a look on Facebook Marketplace or down to your local CEX and get yourself a second hand one.Įditing software can be a complicated beast that often stops people ever stitching their clips together. I mostly use a Canon M50 and it’s a great little camera. I know smartphones are incredible these days but they still don’t compare to the footage you’ll get on a ‘proper camera’. Even if it’s just a few 2-3 second clips of your face, it’s worth getting it in there. It’s boring seeing lots of shots of scenery. Get your face in the footage for added interest. Obviously, there will be some clips that will need to be longer but keep as much of it as short as possible. It’ll make editing much easier if the majority of your clips are around 3-5 seconds long. It’s really tempting to move the camera around but you’ll quickly realise that this looks terrible when you watch it back. Hit record on your camera but then hold it still like you’re taking a photo. Once you get a bit more experienced then you’ll get better at adding camera movement but when you’re first starting out I recommend just keeping the camera still. If you’re thinking it’s really hard to make simple videos then I’d love to show you how easy it is.
Extremely light game capacity, maximum support on Android phones. In addition, Minecraft PE’s map creation system is extremely rich. However, this unique design style of Minecraft has made a mark of its own and attracts many gamers. Many people think that the graphics quality of the game is relatively low. It is estimated that the average game has more than 36 million square blocks with a variety of materials such as soil, water, stone, wood or gold, … Compared to some popular games today, Minecraft’s graphics platform is considered quite classic. In the Minecraft PE adventure world, all images are built by unique 3D blocks. You will experience the game with unprecedented care and thrill. On the contrary, if you excellently overcome the obstacles in this mode, the loot brought back is also very impressive. You will start over exploring and building your building. The player will not be resurrected when dead.Of course, everything will be exactly the same as before. If you are really brave, then you can choose this game mode to experience. True to its name, Hard mode is only suitable for those who love adventure. In particular, the Multiplayer feature of Minecraft PE version supports connecting friends via local wifi network. You will be able to go anywhere in the world without fear of being attacked. In this mode, players can freely hatch eggs to create a variety of useful animals. It is important that you do how to create the most beautiful work. Creative modeĬreative mode in the survival adventure game Minecraft PE allows players to freely build buildings based on their thinking. Once you are safe, you can grow crops, raise livestock, and go looking for minerals. During the gameplay, if you are killed, then choose to respawn immediately. However, players can choose 1 of 4 different levels to experience including: Easy (Easy), Peace (Peace), Normal (Normal) and Hard (Hard). Finding food, finding shelter, finding resources are not easy tasks. Survival ModeĬoming to Minecraft PE, players need to do everything to survive. Each game mode has its own interesting points. Minecraft PE has 3 main game modes: survival, creative and hard. In addition, players also have the opportunity to experience many different professions such as: farmer, woodcutter, animal husbandry, … In general, Minecraft PE game is built in an open world style, without plot andThere is no definite duty. This is the outstanding advantage in the gameplay of the game. You have the right to create and build works in your own style. Minecraft PE becomes even more attractive when players can use tools to collect materials and arrange everything they want. The most dangerous are creepers, they can explode and appear day and night. When night comes, dangerous monsters such as spiders, zombies, and skeletons will appear and attack the player. Each cycle usually lasts about 20 minutes in actual time.During the day, players can encounter living creatures such as villagers or edible animals. Time in Minecraft PE is divided into day and night. You will be immersed in the vast world and randomly build with all kinds of terrain such as plains, hills, swamps, deserts, forests or rivers,… However, to survive persistently in the lands full of traps, you need to learn everything, from how to eat to how to make. Therefore, players can do whatever they like in this world. GameplayĮntering the world of Minecraft PE, players will be impersonating a character and have no specific goals. No need to use a computer, you just need to download Minecraft PE to your phone and experience it anytime, anywhere. Players can unleash creativity, explore and explore the world in the game. This is a mobile platform-specific version, specifically Android. Minecraft PE (or MCPE) is fully known as Minecraft Pocket Edition. However, Minecraft PE is still the version that attracts the most downloads worldwide. Up to now, publisher Mojang has released 9 different game versions. It can be said that Minecraft is a rhythmic combination of games like Dwarf Fortress, Infiniminer and Roller Coaster Tycoon. Finally, the game was renamed to simply Minecraft. Later, Mojang decided to change to Minecraft Order The Stone. When it was just released, this game was called Cave Game. The game was produced by NPH Mojang in 2011. Minecraft is known as one of the most famous adventure games in the world. WebEx Recorder and Player has not been rated by our users yet. WebEx Recorder and Player runs on the following operating systems: Windows. It was initially added to our database on. The latest version of WebEx Recorder and Player is 2.8.44, released on. It was checked for updates 157 times by the users of our client application UpdateStar during the last month. 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This firm bound and published a small number of copies in 1844 – the same edition that Emily Dickinson used as a tool for her poetic composition. When Webster died, his heirs sold unbound sheets of his 1841 revision American Dictionary of the English Language to the firm of J. Hamlen of New Haven, Connecticut, prepared the 1841 printing of the second edition. Again in two volumes, the title page proclaimed that the Dictionary contained "the whole vocabulary of the quarto, with corrections, improvements and several thousand additional words: to which is prefixed an introductory dissertation on the origin, history and connection of the languages of western Asia and Europe, with an explanation of the principles on which languages are formed. Its title page does not claim the status of second edition, merely noting that this new edition was the "first edition in octavo" in contrast to the quarto format of the first edition of 1828. In 1841, 82-year-old Noah Webster published a second edition of his lexicographical masterpiece with the help of his son, William G. Not all copies were bound at the same time the book also appeared in publisher's boards other original bindings of a later date are not unknown. When he lowered the price to $15 (adjusted for inflation: $404.82), its sales improved, and by 1836 that edition was exhausted. There were 2,500 copies printed, at $20 (adjusted for inflation: $539.77) for the two volumes. Converse in two quarto volumes containing 70,000 entries, as against the 58,000 of any previous dictionary. In 1828, when Noah Webster was 70, his American Dictionary of the English Language was published by S. He spent the next two decades working to expand his dictionary.Įxtract from the Orthography section of the first edition, which popularized the American standard spellings of -er (6) -or (7) dropped -e (8) -or (10) -se (11) doubling consonants with suffix (15) In William Shakespeare's first folios, for example, spellings such as center and color are the most common. Rather he chose already existing options such as center, color and check on such grounds as simplicity, analogy or etymology". He was very influential in popularizing certain spellings in America, but he did not originate them. In A Companion to the American Revolution (2008), John Algeo notes: "it is often assumed that characteristically American spellings were invented by Noah Webster. Webster was a proponent of English spelling reform for reasons both philological and nationalistic. In it, he popularized features which would become a hallmark of American English spelling ( center rather than centre, honor rather than honour, program rather than programme, etc.) and included technical terms from the arts and sciences rather than confining his dictionary to literary words. His first dictionary, A Compendious Dictionary of the English Language, appeared in 1806. Noah Webster (1758–1843), the author of the readers and spelling books which dominated the American market at the time, spent decades of research in compiling his dictionaries. Noah Webster's American Dictionary of the English Language
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