Answer:
Correct answer is D
Explanation:
open is a function in c++ programming language used to interact with files.The function takes two parameters as input
- File name
- mode
File Name
File name is a string name of file to be opened.This is a compulsory parameter for open method.
Mode
Mode is an optional parameter in open function.Following are the accepted values of mode parameter
Prefix ios:: is added to start of each
- in (Open file in input mode for writing data to file)
- out (Open file in output / read-only mode to read data from file)
- binary (Open file in binary format)
- ate (Set the starting point of file to the end of file. Default starting point of file is start of file)
- "trunc" (If file is opened multiple times all previous data is replaced with new data)
- app (All operations of output are performed the end of file)
Use | operator to use multiple modes at a time.
A server shouldn't use a glass to scoop ice as the glass may break. This is due to the potential temperature difference between the glass (which may be room temperature or hotter if it is taken from a dishwasher), and the cold ice. Any existent hairline fractures in the glass may then expand and crack, whereby the smashed pieces of glass could then land in the client's food, table or lap, potentially causing injury to the person.
Answer:
The common reason to invest in cryptocurrency is the desire for a reliable, long-term store of value.
Explanation:
Answer:
Two advantages of the agile methods are:
- The agile method require less documentation process as compared to waterfall model and saves maximum time and money. It basically reduces the efforts and the amount of work.
- In agile method, there is always high customer satisfaction present. In agile method, it is easy to modify in the data as compared to the waterfall model. The customers and developers always interact with each other as the interaction is very important for the good results in the project.
Two disadvantages of the agile methods are:
- For the large and complex projects, sometimes it is difficult to determine the requirements in the software development as projects are easily go off track.
- There is less predictability and the projects are easily messed up if the projects requirement are not clear by the customer end.
Answer:
The answer to this question is true.
Explanation:
Google Analytics is the method of free tracking device which is offered by Google. Google Analytics shows how User visits website. It helps you exactly see the number of visitors that you store in the database.
It offers information about user behavior that can be critical for your business. The google Analytics refers a reference number which cannot be modified .So the given statement is true.