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GBlog
Three 90 Challenge: Bigger and Better
As we transit into the new phase, it's essential to fuel our inner drive for success. On popular demand, GeeksforGeeks is happy to announce that we are back with the Thre...
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Python - Pairwise Addition in Tuples
Sometimes, while working with data, we can have a problem in which we need to find cumulative result. This can be of any type, product or summation. Here we are gonna disc...
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Python
Python Programs
Python tuple-programs
Perl | eof - End of File Function
The eof() function is used to check if the End Of File (EOF) is reached. It returns 1 if EOF is reached or if the FileHandle is not open and undef in all other cases.Synta...
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Perl
Picked
Get Yesterday's date using Python
Prerequisite: datetime moduleIn Python, date and time are not a data type of its own, but a module named datetime can be imported to work with the date as well as time. Da...
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Python
Picked
Python-datetime
Python datetime-program
Python String Interpolation
String Interpolation is the process of substituting values of variables into placeholders in a string. Let's consider an example to understand it better, suppose you want ...
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Technical Scripter
Python
python-string
Picked
Technical Scripter 2019
Python | Count of Matching i, j index elements
Sometimes, while programming, we can have a problem in which we need to check for ith and jth character of each string. We may require to extract count of all strings with...
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Python
Python Programs
Python list-programs
Puzzle | Rope Escape
Puzzle: Raghav is trapped on top of a building and wishes to reach the ground safely. He has with him a piece of rope running to 150 meters of length, a sharp knife. The b...
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Misc
Puzzles
Aptitude-Puzzles
Puzzles
Logical Puzzles
Check if given string contains all the digits
Given a string str consisting of alphanumeric characters, the task is to check whether the string contains all the digits from 1 to 9. The string can contain other charact...
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Arrays
Strings
Searching
Hash
frequency-counting
DSA
Find the value of N XOR'ed to itself K times
Given two integer N and K, the task is to find the value of N XOR N XOR N XOR N ... XOR N (K times).Examples:Input: N = 123, K = 3Output: 123(123 ^ 123 ^ 123) = 123Input: ...
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Bit Magic
Mathematical
DSA
Python - Combinations of sum with tuples in tuple list
Sometimes, while working with data, we can have a problem in which we need to perform tuple addition among all the tuples in list. This can have applications in many domai...
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Python
Python Programs
Python list-programs
Python tuple-programs
Python - Test if Tuple contains K
Sometimes, while working with Python, we can have a problem in which we have a record and we need to check if it contains K. This kind of problem is common in data preproc...
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Python
Python Programs
Python tuple-programs
Python - Find the Maximum of Similar Indices in two list of Tuples
Sometimes, while working with Python records, we can have a problem in which we need to perform cross maximization of list of tuples. This kind of application is popular i...
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Python
Python Programs
Python tuple-programs
Instance Variables in Ruby
There are four different types of variables in Ruby- Local variables, Instance variables, Class variables and Global variables. An instance variable in ruby has a name sta...
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Ruby
Picked
Ruby-Basics
Ruby-OOP
Check if a symmetric plus is possible from the elements of the given array
Given an array arr[] of N elements, the task is to check whether asymmetric plus is possible with the elements of the given array.A square symmetric plus is of the form: ...
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Searching
Sorting
frequency-counting
DSA
Significant Importance of GIS in Driving Analytics
There is an immense surge of information we gather every day. Also, one of the prime spaces that are involved is by the geospatial information. Because of the GPS satellit...
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Misc
Python
Difference between 4G and 5G
4G Mobile Phones: 4G is a mobile phone network technology, and like its predecessor 3G, it can be used for downloading data and accessing internet, but the difference is t...
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Computer Networks
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