Mindblown: a blog about philosophy.

Progress Dialog is dialog showing a progress indicator and an optional text message or view. The methods of Progress Dialog being used in this tutorial are: ProgressDialog.setTitle() – Used to set title of dialog box ProgressDialog.setMessage() – Used to set dialog message being displayed ProgressDialog.setProgressStyle() – Choose the style of indicator ProgressDialog.dismiss() – Dismiss the…

SeekBar is an extension of ProgressBar that adds a draggable thumb. The user can touch thumb and drag left or right to set the current progress level or various other task. In this example, the seekbar will be used to display a percentage. As the user moves the SeekBar left to right the percentage value…

This tutorial will show how to interact with the Ethereum blockchain using Python. To start, the Python library Web3 will need to be installed. The Web3 library allows you to interact with a local or remote Ethereum node, using a HTTP or IPC connection. Using Web3 you will be able to create smart contracts on…

The chr() function returns a character that represents the specified unicode. Syntax chr(i) The chr() method takes only one integer as argument. The range may vary from 0 to 1,1141,111(0x10FFFF in base 16). The chr() method returns a character whose unicode point is num, an integer. If an integer is passed that is outside the range then…

The callable() method checks if a object is callable. Callable objects are True if object is callable and False if object is not callable. Syntax & Parameters callable(object)  The callable() method takes one argument, an object and returns one of the two values: returns True, if the object appears to be callable. returns False, if…

bytes() returns an immutable bytes object, made up of a sequence of integers in the range 0 <=x < 256. The returned bytes sequence is immutable. A mutable bytes sequence can be used instead by calling is bytearry() . Syntax bytes(]]) bytes() takes three optional parameters: source – initialize the array of bytes. Can be String…

The bytearray() method returns an array of bytes. Syntax bytearray(]]) source – source to initialize the array of bytes string – Converts the string to bytes using str.encode() integer – Creates an array of provided size, all initialized to null iterable – Creates an array of size equal to the iterable count . Iterable integers…

The breakpoint() function is a debugging function that is built into Python 3.7 . Use this built in function by adding breakpoint() where you suspect the error or are wanting to check for bugs. The pdb (Python Debugger) is a interactive source code debugger for Python programs. Python Debugger Commands : Ex. Output Once code…

The bool() function converts a value to a Boolean expression, True or False . If no parameter is given, by default the Boolean returns False. Boolean returns True if the parameter or value is True. Syntax bool([x]) x – is the value being evaluated by standard truth testing procedures. Example Output

The bin() function converts an integer , both positive and negative, into binary form. Syntax bin(n) n – integer being converted Example Output