A Bash comment starts with which character? a) " b) ! c) # d) --
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A Bash comment starts with which character?
a) "
b) !
c) #
d) --
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- Question 25 Match the following statements regarding comments. begin with semicolon (;) begin with COMMENT directive and a programmer-chosen character and end with the same programmer-chosen character 4 Previous [Choose ] [Choose ] block comments Single-line comments%23 Write the purpose of given command line statements. #gpasswd-M a2,a3,a4 MAXUM #grep MAXUM /etc/groupMatch the following statements regarding comments. begin with semicolon (;) [Choose ] [Choose ] begin with COMMENT directive and a programmer-chosen character and end with the same Single-line comments programmer-chosen character block comments <
- Private variables; choose the best answer(s) A.) Protection level for all variables. regardless of where they're defined B.) Not mandatory but useful C.) Used to prevent other external scripts from changing the values of the variable D.) All of the aboveHomework Instructions: For each Exercise below, write your code in an IDE and run your code within the IDE as well. Once you have satisfied the Exercise requirements, paste your code below under the corresponding Exercise. Exercise 1: Create a temperature conversion program! To convert from Fahrenheit to Celsius or Celsius to Fahrenheit. ● ● ● Convert C to F (Formula): temp = (1.8* temp) + 32.0; Convert F to C (Formula): temp = (temp-32) / 1.8; HINT: what does every temperature have? (number and unit right?)Use Visual studio- C# Windows Form to develop the Application: In every program data must be validated before the program can proceed with further processing and storage of the input data. As a Windows developer for a data analysis company, you are tasked to develop an application using Windows form / Windows Presentation Foundation (WPF) named mileage efficiency. Your interface should look as shown below.You should include the following in your program1. Exception handling should be used to prevent users from entering invalid input (text, character...) (try, catch and final)2. All exception messages should be display using a message box and save in a text file called Exceptionfile.txt3. All result (miles divided by gallon) should be save in a file called MilesperGallon.txt. The result should be saved once the calculate button is pressed 4. Meaning your program will have two separate text files one to record all exception thrown – message and the other to record all calculation and the…
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- PYTHON PROGRAMMING!! EXTRA CONSTRAINT: MAKE SURE THAT THE CODE ACCEPTS THE INPUT ON THE IMAGE AND OUTPUTS THE RESULT ON THE IMAGE AS WELLYou find yourself in a top-secret mission to infiltrate and disable the nuclear missile silos of a terrorist organization threatening to destroy any country that refuses to surrender. Fortunately, an ally double agent was able to successfully hijack the launch system used by the terrorists. However, in order to not get found out, they could not disable the system outright but they were able to infect the system with an undetectable virus that stops all processes of the system was activated. Through a secure line, the double agent gives you the instructions in order to activate the virus and stop all missiles from firing: In the trash can nearest the main computer, you should be able to get a crumpled piece of paper with a grid of random numbers printed onto it. You will know that it is the right piece of paper if there are the same number of rows and…???????? 2: Take the username and password from a user and check the validity of the password using the following rules: 1. Password must contain at least 2 digits, at least one uppercase letter, at least one lowercase letter, and at least one of the special characters (*,_,%,$,#,@) in it. If one or more of these are missing, show which ones are missing. 2. The password must not contain the username in it. If it does, the password will be invalid. 3. The password must have a length of 8 or more. Sample Input 1: Username: IzukuMidoriya Password: izukuMidoriya24# Output1: Invalid Password: Password cannot contain username Sample Input 2: Username: IzukuMidoriya Password: Iamhere@12 Output2: Valid password Sample Input 3: Username: IzukuMidoriya Password: Ia4%Lp Output3: Invalid Password: Password too short Sample Input 4: Username: IzukuMidoriya Password: izuku@Midoriya24# Output4: Valid Password Sample Input 5: Username: IzukuMidoriya Password: Ia4%sahdvckgjp…Q2) Answer true or false and correet the answer for the following question, 1- If age >= 13 And < 20 Then ttOutput. Text - You are a teenager." 2- The Caption property is used to enter or edit text during program execution.. 3- OLE is used to join VB with database application. 4- The command button is the most important button used to execute code. 5- The methods are used to change the behavior of tool.