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Big-O Notation Explained with Examples

Asymptotic notation is a set of languages which allow us to express the performance of our algorithms in relation to their input. Big O notation is used in Computer Science to describe the performance or complexity of an algorithm. Big O specifically describes the worst-case scenario, and can be used

Vault 7: CIA iOS Developer Guide, Hacks, Notes and Tips & Tricks

1. Disable not charging Popups sudo defaults write NoIPadNotifications \-bool YES sudo defaults write NoIPhoneNotifications \-bool YES 2. Creating a read only .dmg from a folder hdiutil create ~/Desktop/newimage.dmg -volname "MyVolume" -srcfolder ~/Desktop/myfolder 3. Pairing Records Pairing records are the crypto

Why does the indexing of Array start with Zero in C?

Martin Richards, creator of the BCPL language (a precursor of C), designed arrays initiating at 0 as the natural position to start accessing the array contents in the language, since the value of a pointer p used as an address accesses the position p+0 in memory. The name of

Basic Program - Python Programming Language

Program 1: print("For print a massage") print("Hello Python!") Output: For print a massage Hello Python! Program 2: print("For addition of two number") a = 10 b = 20 sum = a+b print("Sum of two number is ",+sum) Output: For addition of two number Sum of two number is

Decision Making & Loops - Python Programming Language

Decision Making Decision making is anticipation of conditions occurring while execution of the program and specifying actions taken according to the conditions. Decision structures evaluate multiple expressions which produce TRUE or FALSE as outcome. You need to determine which action to take and which statements to execute if outcome is

Operators - Python Programming Language

Operators are the constructs which can manipulate the value of operands. Consider the expression 4 + 5 = 9. Here, 4 and 5 are called operands and + is called operator. Types of Operator: Python language supports the following types of operators. Arithmetic Operators Comparison (Relational) Operators Assignment Operators Logical Operators Bitwise Operators

User Input - Python Programming Language

There are hardly any programs without any input. Input can come in various ways, for example from a database, another computer, mouse clicks and movements or from the internet. Yet, in most cases the input stems from the keyboard. For this purpose, Python provides the function input(). input has an

Mathematics and number based challenges

The programming ideas/challenges featured here can be programmed in popular programming languages like C, C++, C#, Java, Go, Python, Ruby, JavaScript and PHP for either the Web, MacOS, Windows PC, Android, Windows Phone or iOS. Just fire up your favourite IDE, begin work on any of the program/projects
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