Problem Formulation Given a NumPy array consisting of Boolean values. How to convert it to an integer array? Convert each True value to integer 1, and Convet each False value to integer 0. Here’s an example Boolean array: What you want is the following integer array: Let’s examine some methods to accomplish this easily. Method … Read more
Problem Formulation Given some data. How to plot the data in the same 2D plot but using two x-axes instead of only one? You want to have on top axis and one bottom axis. You want to be able to customize the ticks and labels of both the top and bottom axis. We use Matplotlib … Read more
Neural Networks have gained massive popularity in the last years. This is not only a result of the improved algorithms and learning techniques in the field but also of the accelerated hardware performance and the rise of General Processing GPU (GPGPU) technology. In this article, you’ll learn about the Multi-Layer Perceptron (MLP) which is one … Read more
[toc] Introduction Before we get into the detailed comparison between time.clock() vs. time.time(), there are some prerequisites that you need to focus upon. It is important to have knowledge about the various types of time in the computing world. Don’t worry if you don’t have any idea about this; we have got you covered. Execution … Read more
This is in continuation of the first part of Python networking with sockets. In this blog post we will further learn how to use more socket API’s. We will dig deeper into what a networking port is. Then we start implementing a simple port scanner. Finally, we will enhance this port scanner further. For Part … Read more
Python’s bitwise XOR operator x ^ y performs logical XOR on each bit position on the binary representations of integers x and y. Each output bit evaluates to 1 if and only if exactly one of the two input bits at the same position are 1. For example, the integer expression 4 ^ 3 is … Read more
Python’s bitwise OR operator x | y performs logical OR on each bit position on the binary representations of integers x and y. Each output bit evaluates to 1 if and only if at least one of the two input bits at the same position are 1. For example, the integer expression 4 | 3 … Read more
Problem Formulation Given a string s. Create a new string based on s with all control characters such as ‘\n’ and ‘\t’ removed. What is a Control Character? A control character, also called non-printing character (NPC), is a character that doesn’t represent a written symbol. Examples are the newline character ‘\n’ and the tabular character … Read more
Python Delete File To delete a file in Python, import the os module with import os and run os.remove(filename) in your script. The following code removes the file ‘file.dat’ from the current folder assuming the Python script resides in the same directory: Python Delete Files in Folder To delete a folder or directory with all … Read more
[toc] Introduction As a programmer, you need to work on different time-based tasks in your program like logging and saving the records to the database and accessing the documents. In each of those cases, date and time assume a significant part in saving the importance and integrity of the data and information. So, you must … Read more
Это руководство покажет вам, как преобразовать строку Юникода в строку в Питоне. Если вы уже знаете о Юникоде, вы можете пропустить следующий раздел, посвященный справочной информации, и сразу же погрузиться в проблему. Истоки Юникода Немного о Юникоде из Википедии. Юникод — стандарт кодирования символов, включающий в себя знаки почти всех письменных языков мира. В настоящее … Read more
In the previous article, we got acquainted with Unicode and methods of processing input Unicode strings, different ways of processing and converting them into a readable form – string objects in Python. Let’s look at ways of converting to other types of output data and applying different encodings to them. Problem Formulation Suppose we need … Read more