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What is use of first and follow in compiler design?

What is use of first and follow in compiler design? Hence the parser applies this rule. So FOLLOW can make a Non-terminal vanish out if needed to generate the string from the parse tree. The conclusions is, we need to find FIRST and FOLLOW sets for a given grammar so that the parser can properly apply the needed rule at the correct position. What is first set in compiler design? FIRST(X) for a grammar symbol X is the set of terminals that begin the strings derivable from X. Rules to compute FIRST set: If x is a terminal, then FIRST(x)...
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What distance is 50 mm?

What distance is 50 mm? A 50mm lens has a minimum focusing distance of 0.45m or 1.45 feet, and you can step back further depending on the desired effect. However, the shooting distance in photography is relative, especially when photographers have varying styles. What is an 18 55 mm lens? The 18mm is a moderate wide-angle lens that is great for landscapes, architecture, and environmental portraiture. The 55mm end makes for a short telephoto lens, ideal for compressing perspective when taking portraits or closing in on small details. How wide is a 50 mm lens? Canon EF 50mm f/1.8 STMLens...
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What are the new tax forms for 2020?

What are the new tax forms for 2020? A new tax form could make filing returns easier on the eyes of older people. The two-page form, known as 1040-SR, uses a bigger font than the standard 1040 form, has more spacing and is better at contrasting colors. Taxpayers who turn 65 on or before Jan. 1, 2020, can use the new form for their 2019 returns. How do I download a return file? It is summed up in the following steps.Step 1: Go to the income tax India website at www.incometax.gov.in and log in.Step 2: Select the 'e-File'>'Income Tax Returns'>'View...
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What decile is Lincoln Heights School?

What decile is Lincoln Heights School? School sector:GovernmentDecile rating:3 Primary school decile rankingWebsite:http://www.lincolnheights.school.nzAddress:Keegan Drive, Massey, AucklandPhone:09-8337480 How do I find my school decile rating? School and college2021 school terms and holidays.2022 school terms and holidays.2023 school terms and holidays.School zones, reviews and decile ratings.School fees and donations.How to enrol your child at school in NZ. What do school deciles mean? School deciles indicate the extent the school draws their students from low socio-economic communities. The lower the school's decile, the more funding it receives. How many deciles are there? A decile rank arranges the data in order from lowest to...
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Where are the nuclear submarines based in Scotland?

Where are the nuclear submarines based in Scotland? HMNB Clyde lies on the eastern shore of Gare Loch in Argyll and Bute, to the north of the Firth of Clyde and 25 mi (40 km) west of Glasgow. The submarine base encompasses a number of separate sites, the primary two being: Faslane, 25 miles from Glasgow; RNAD Coulport, beside Loch Long, 2 mi (3.2 km) west of Faslane. Where is Faslane Scotland? Faslane or Her Majesty's Naval Base Clyde is the Navy's headquarters in Scotland. It is one of three operating bases in the UK alongside HMNB Portsmouth and HMNB...
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How does hypertension cause cerebral vascular accident?

How does hypertension cause cerebral vascular accident? The extra strain that high blood pressure puts on your blood vessels may cause a weakened blood vessel to burst inside the brain, causing bleeding on and into surrounding tissues. This is called a haemorrhagic stroke. What are the signs and symptoms of cerebrovascular disease? StrokeDizziness, nausea, or vomiting.Unusually severe headache.Confusion, disorientation or memory loss.Numbness, weakness in an arm, leg or the face, especially on one side.Abnormal or slurred speech.Difficulty with comprehension.Loss of vision or difficulty seeing.Loss of balance, coordination or the ability to walk. Can high blood pressure cause stroke symptoms? The...
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How do I send a test email in sendmail?

How do I send a test email in sendmail? Once logged in, you can run the following command to send email: [server]$ /usr/sbin/sendmail [email protected] Subject: Test Send Mail Hello World control d (this key combination of control key and d will finish the email.) How do I know if sendmail is working? Type "ps -e | grep sendmail" (without quotes) at the command line. Press the "Enter" key. This command prints a listing that includes all running programs whose name contains the text "sendmail." If sendmail is not running, there will be no results. How do I check mail on...
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How much does an industry pharmacist make UK?

How much does an industry pharmacist make UK? Frequently asked questions about an Industrial Pharmacist salaries. The highest salary for an Industrial Pharmacist in United Kingdom is £58,713 per year. The lowest salary for an Industrial Pharmacist in United Kingdom is £29,424 per year. How much does someone in the pharmaceutical industry make? Salary Range and Outlook Pharmaceutical scientists just starting their careers earn an average salary of $85,000. With experience and increasing responsibility, their compensation can grow significantly. They also can receive bonuses throughout the development of a new drug. Does the pharmaceutical industry pay well? The pharmaceutical industry...
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How much is a 1964 Liberty nickel worth?

How much is a 1964 Liberty nickel worth? 1964 Nickel Value1964 Jefferson Nickel ValueCondition of Coin1964 Jefferson Nickel Value Up-Dated20211964$0.05$0.631964 D$0.05$0.63 What is the rarest 1964 nickel? 1964 SMS: $8,750 in MS65 Its existence was unknown until a 1993 Stack's auction. The 1964 SMS remains one of the rarest Jefferson nickels. What is the misprint on a 1964 nickel? That's why many collectors didn't notice at first when 1964-D Jefferson nickels appeared with PLURIBUS misspelled as PLURIDUS. Heavy polishing of one or more dies had caused the center of the letter "B" to become obliterated, leading to this interesting error....
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How many times can you pack-a-punch Black Ops?

How many times can you pack-a-punch Black Ops? It now allows players to Pack-a-Punch a weapon up to a total of three times (costing 5000, 15000 and 30000 Essence, respectively), alongside applying Ammo Mods in a separate menu for 2000 Essence. Can you get ray gun twice? The gun starts with maximum ammunition, and the player can come back to the statues and get a new Ray Gun an unlimited amount of times. How many times can you pack a punch in blood of the dead? It's 4 times, because it's black ops 4. Does double pack a punch increase...