Assuming that MySQL database named as test is present on server and a table named employee is also created. The table has five fields fname, lname, age, gender, and salary.A tuple object containing data of a record is defined ast1=('Mac', 'Mohan', 20, 'M', 2000)To establish interface between MySQL  and Python ... Read More

Unlike while loop, for loop in Python doesn't need a counting variable to keep count of number of iterations. Hence, to convert a for loop into equivalent while loop, this fact must be taken into consideration.Following is a simple for loop that traverses over a rangefor x in range(5):   ... Read More

Having entered following command from linux terminal −$ g++ helloworld.cppThe a.out file should be created in the current working directory if the compilation is successful. Check if a.out is created.To execute enter following from command line −$ ./a.outIn most cases, output of your source program is displayed. However, as in ... Read More

First extract characters from left bracket '(' using strchr() function.char *name="The Matrix(1999)"; char *ps; ps=strchr(name,'(');Then add each character within brackets () to an char arraychar y[5]=""; int  p; for (p=1;p

An identifier in a Python program is name given to various elements in it, such as keyword, variable, function, class, module, package etc. An identifier should start with either an alphabet (lower or upper case) or underscore (_). More than one alpha-numeric characters or underscore may follow.Keywords are predefined. They ... Read More

The example works correctly. The compareTo() method is called by a string object and takes another string object as argument. The return value is integer and is difference in Unicode values of characters of respective strings when they are not equal. The value can be -ve, 0 or +ve.

the main() method in Java code is itself inside a class. The static keyword lets the main() method which is the entry point of execution without making an object but you need to write a class. In C++, main() is outside the class and writing class it self is not ... Read More

1) take a string from the user and check contains atleast one digit or not:Extract character array from string using toCharArray() method. Run a for loop over each character in array and test if it is a digit by static method isDigit() of character classpublic static boolean chkdigit(String str) { ... Read More

In Python 2.x as well as != symbols are defined as 'not equal to' operators. In Python 3, operator is deprecated.

Infinite loop is the one that doesn't stop on its own. It happens when the looping condition continues to remain true forever. In such a case, the loop must be forcibly stopped by pressing ctrl-C to generate keyboard interrupt