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Rajendra Dharmkar has Published 452 Articles
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
628 Views
The datetime in Javascript and in Python have 2 major differences. First one being the meaning of the month argument.The month in Javascript is expected between 0-11 while in Python it is expected to be between 1-12. So the following tuple actually represents 2 different dates in Python and in ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
362 Views
To measure time time of a program's execution, either use time.clock() or time.time() functions. The python docs state that this function should be used for benchmarking purposes. Exampleimport time t0= time.clock() print("Hello") t1 = time.clock() - t0 print("Time elapsed: ", t1 - t0) # CPU seconds elapsed (floating point)OutputThis will give ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
4K+ Views
To measure time with high precision, either use time.clock() or time.time() functions. The python docs state that this function should be used for benchmarking purposes.Exampleimport time t0= time.clock() print("Hello") t1 = time.clock() - t0 print("Time elapsed: ", t1 - t0) # CPU seconds elapsed (floating point)OutputThis will give the output ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
1K+ Views
You can use the pymongo library in Python to connect to a MongoDB database and use it to insert, update, delete, etc objects in Python. The library supports Python datetime objects out of the box and you dont need to do anything special to insert dates in Mongo using PyMongo.Examplefrom ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
7K+ Views
IOError ExceptionIt is an error raised when an input/output operation fails, such as the print statement or the open() function when trying to open a file that does not exist. It is also raised for operating system-related errors.If the given code is written in a try block, it raises an ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
853 Views
ArithmeticError Exception is the base class for all errors that occur for numeric calculations. It is the base class for those built-in exceptions like: OverflowError, ZeroDivisionError, FloatingPointErrorWe can catch the exception in given code as followsExampleimport sys try: 7/0 except ArithmeticError as e: print e print sys.exc_type print 'This is ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
3K+ Views
ImportError is raised when a module, or member of a module, cannot be imported. There are a two conditions where an ImportError might be raised.If a module does not exist.Exampleimport sys try: from exception import myexception except Exception as e: print e print sys.exc_typeOutputNo ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
2K+ Views
Range in Regular ExpressionsRanges of characters can be indicated by giving two characters and separating them by a '-', for example [a-z] will match any lowercase ASCII letter, [0-5][0-9] will match all the two-digits numbers from 00 to 59.If - is escaped (e.g. [a\-z]) or if it’s placed as the ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
738 Views
All python exceptions are not runtime errors, some are syntax errors as well.If you run the given code, you get the following output.File "C:/Users/TutorialsPoint1/~.py", line 4 else: ^ SyntaxError: invalid syntaxWe see that it is syntax error and not a runtime error.Errors or inaccuracies in a program are often called ... Read More
![Rajendra Dharmkar](https://www.tutorialspoint.com/assets/profiles/9963/profile/60_124173-1512724240.jpg)
Rajendra Dharmkar
2K+ Views
To get the timer ticks at a given time, use the clock. The python docs state that this function should be used for benchmarking purposes. Exampleimport time t0= time.clock() print("Hello") t1 = time.clock() - t0 print("Time elapsed: ", t1 - t0) # CPU seconds elapsed (floating point)OutputThis will give the output ... Read More