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CRC32 calculation in Python without using libraries. 1. CRC checksum calculation from Python. 0. Trying to Calculating CRC-16 in Python. 7. Python CRC8 calculation. 2.

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Presentation on theme: "Python Crash Course Numpy"— Presentation transcript: 1 Python Crash Course Numpy 2 Extra features required:Scientific Python? Extra features required: fast, multidimensional arrays libraries of reliable, tested scientific functions plotting tools NumPy is at the core of nearly every scientific Python application or module since it provides a fast N-d array datatype that can be manipulated in a vectorized form. 2 3 What is NumPy? NumPy is the fundamental package needed for scientific computing with Python. It contains: a powerful N-dimensional array object basic linear algebra functions basic Fourier transforms sophisticated random number capabilities tools for integrating Fortran code tools for integrating C/C++ code 4 Official documentation The NumPy book Example listNumPy documentation Official documentation The NumPy book Example list 5 Arrays – Numerical Python (Numpy)Lists ok for storing small amounts of one-dimensional data >>> a = [1,3,5,7,9] >>> print(a[2:4]) [5, 7] >>> b = [[1, 3, 5, 7, 9], [2, 4, 6, 8, 10]] >>> print(b[0]) [1, 3, 5, 7, 9] >>> print(b[1][2:4]) [6, 8] >>> a = [1,3,5,7,9] >>> b = [3,5,6,7,9] >>> c = a + b >>> print c [1, 3, 5, 7, 9, 3, 5, 6, 7, 9] But, can’t use directly with arithmetical operators (+, -, *, /, …) Need efficient arrays with arithmetic and better multidimensional tools Numpy Similar to lists, but much more capable, except fixed size >>> import numpy 6 Numpy – N-dimensional Array manpulationsThe fundamental library needed for scientific computing with Python is called NumPy. This Open Source library contains: a powerful N-dimensional array object advanced array slicing methods (to select array elements) convenient array reshaping methods and it even contains 3 libraries with numerical routines: basic linear algebra functions basic Fourier transforms sophisticated random number capabilities NumPy can be extended with C-code for functions where performance is Note: I'm a newbie to working on githubqBittorrent version and Operating System:qBittorrent v3.3.12 Portable (from PortableApps.com)WinXP SP3Python 2.7 (=2.7.0)What is the problem:QBT says "Undeterminded Python version" (stating it found the string "2.7").The problem isin file mainwindow.cppin line 1605 pp.in function "void MainWindow::on_actionSearchWidget_triggered()".The code doesn't detect Python versions with only two reported components correctly. Python 2.7.0 reports it's version (at least on my command line) with "2.7" and function "QString Utils::Misc::pythonVersionComplete()" from misc.cpp does the right job and returns it this way. But the errorneous code assumes that Python version strings always consist of 3 components, gets the 2-component string wrong and jumps to the else-clause beneath to report an "Undeterminded Python version".What is the expected behavior:Although it's clear that a Python version of 2.7 isn't suitable for the QBT search engine, it's bad to report an "Undeterminded Python version", rather than the correct version 2.7 (or 2.7.0) with a "Old Python Interpreter" message as it is intended in the already present code for unsuitable Python versions.Steps to reproduce:Have an Python version of 2.7 (=2.7.0) and QBT installed on your system and try to start the search engine (e.g. via main menu ).Extra info(if any):I don't know how to edit code on GitHub, but I suggest the following code modification:-- old code (starting at line 1605, see above) -- 2) { int middleVer = splitted.at(1).toInt(); int lowerVer = splitted.at(2).toInt(); if (((pythonVersion == 2) && (middleVer actionSearchWidget->setChecked(false); Preferences::instance()->setSearchEnabled(false); return; } else { res = true; } } else { QMessageBox::information(this, tr("Undetermined Python version"), tr("Couldn't determine your Python version (%1). Search engine disabled.").arg(version)); m_ui->actionSearchWidget->setChecked(false); Preferences::instance()->setSearchEnabled(false); return; }"> if (splitted.size() > 2) { int middleVer = splitted.at(1).toInt(); int lowerVer = splitted.at(2).toInt(); if (((pythonVersion == 2) && (middleVer 7)) || ((pythonVersion == 2) && (middleVer == 7) && (lowerVer 9)) || ((pythonVersion == 3) &&

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30 December 2011Open Source 3D Software Blender 2.61ManoSivaNo commentsBlender 2.61 is latest release from the Blender Foundation. To download it, please select your platform and location. Blender is Free & Open Source Software.Blender 2.61 was released on December 14th 2011Windows 32 bitsBlender 2.61 Installer (27 MB)Requires Windows XP/Vista/7, built with Python 3.2USA | Germany | NL 1 | NL 2Blender 2.61 Zip Archive (37 MB)Requires Windows XP/Vista/7, built with Python 3.2USA | Germany | NL 1 | NL 2Windows 64 bitsBlender 2.61 Installer (31 MB)Requires Windows XP/Vista/7 64bitUSA | Germany | NL 1 | NL 2Blender 2.61 Zip Archive (42 MB)Requires Windows XP/Vista/7 64bitUSA | Germany | NL 1 | NL 2Linux x86-32Blender 2.61 (40 MB)Requires glibc 2.7, includes Python 3.2, FFmpegSuits most recent Linux distributionsUSA | Germany | NL 1 | NL 2Linux x86-64Blender 2.61 (41 MB)Requires glibc 2.7, includes Python 3.2, FFmpegSuits most recent Linux distributionsUSA | Germany | NL 1 | NL 2 Posted in: 3D, Downloads, Latest Technology updates, SoftwaresNewer PostOlder PostHome0comments: Post a CommentPost your comments Here...Contact me at manosiva@yahoo.co.in. CRC32 calculation in Python without using libraries. 1. CRC checksum calculation from Python. 0. Trying to Calculating CRC-16 in Python. 7. Python CRC8 calculation. 2. Python 2.7 and Sublime Text 2 Setup Guide. 1 How to get Sublime 2 to work with Python 2.7. 3 Sublime2 and SublimeREPL. 0 getting Python set up in Sublime 2 with Windows 7-64bit. 0 execute python in sublime text. 1 ImportError: No module named 'selenium' in

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Python 2.7 is a version of the Python programming language released in 2010. Use this tag for questions about using Python 2.7 in Ubuntu. Learn more… Top users Synonyms 2 votes 1 answer 3k views Python 2 installation on Ubuntu 24.04 Ubuntu 24.04 comes only with Python 3 but I need to work also with programs that only use Python 2. I know that the best way is via venv, yet I have to have an installation of Python 2 which I'm ... 301 asked Feb 10 at 7:58 5 votes 1 answer 14k views python 2.7.12 install on Ubuntu 22.04 I have an application running on Python 2.7.12 which was running on Ubuntu 16.04. I installed the new Ubuntu 22.04 on a new system, but having issue with installing python 2.7 which I need to run my ... 51 asked Sep 23, 2024 at 21:42 0 votes 0 answers 534 views how to install library dlib==19.16.0 on ubuntu 24.04 for the python version 2.7.18 I receive the below error while installing dlib, Kindly help me to install dlib==19.16.0 on ubuntu 24.04 for the python version 2.7.18.pip install dlibDEPRECATION: Python 2.7 reached the end of its ... 1 asked Jun 20, 2024 at 13:46 0 votes 0 answers 658 views I have problems with python2.7-minimal when intalling anything (sudo apt install) I think I have a serious dependency error with python2.7-minimal as every time i want to install anything, this appear. Does someone knows how to correct this or uninstall python2 (if possible) ?(... 1 asked Sep 5, 2023 at 22:22 0 votes 0 answers 1k views How to install pip for python2 and pip3 for python3 in Ubuntu? How can I install pip for python2 and pip3 for python3. So that when I run pip --version it should show pip 18.1 from /usr/lib/python2.7/dist-packages/pip (python 2.7) and when I run pip3 --version, ... 21 asked Jul 16, 2023 at 19:31 0 votes 0 answers 129 views Installing Cantera 1.8.0 on Ubuntu 18.04 I am trying a lot to install cantera 1.8.0. It is an older version but i need to install it on my Ubuntu 18.04. I amCodeline of the error is/usr/include/numpy/npy_1_7_deprecated_api.h:15:2: warning:... 1 asked May 12, 2023 at 6:36 0 votes 1 answer 2k views Installing Azure Linux Agent gives python related issues When I got this server assigned, it has two versions of python (2.7 and 3.6), then I had to install 3.10 manually because the version of Netbox I want to use needed 3.8 minimum.Everything looked fine,... 316 asked Feb 1, 2023 at 16:44 1 vote 0 answers 1k views FSL 6.0.6 installation on ubuntu 20.04 takes too much time Why does FSL 6.0.6 installation on Ubuntu. CRC32 calculation in Python without using libraries. 1. CRC checksum calculation from Python. 0. Trying to Calculating CRC-16 in Python. 7. Python CRC8 calculation. 2.

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Copy an Object in PythonIn Python, we use = operator to create a copy of an object. You may think that this creates a new object; it doesn't. It only creates a new variable that shares the reference of the original object.Let's take an example where we create a list named old_list and pass an object reference to new_list using = operator.Example 1: Copy using = operatorold_list = [[1, 2, 3], [4, 5, 6], [7, 8, 'a']]new_list = old_listnew_list[2][2] = 9print('Old List:', old_list)print('ID of Old List:', id(old_list))print('New List:', new_list)print('ID of New List:', id(new_list))When we run above program, the output will be:Old List: [[1, 2, 3], [4, 5, 6], [7, 8, 9]]ID of Old List: 140673303268168New List: [[1, 2, 3], [4, 5, 6], [7, 8, 9]]ID of New List: 140673303268168As you can see from the output both variables old_list and new_list shares the same id i.e 140673303268168.So, if you want to modify any values in new_list or old_list, the change is visible in both.Essentially, sometimes you may want to have the original values unchanged and only modify the new values or vice versa. In Python, there are two ways to create copies: Shallow Copy Deep CopyTo make these copy work, we use the copy module.Copy ModuleWe use the copy module of Python for shallow and deep copy operations. Suppose, you need to copy the compound list say x. For example:import copycopy.copy(x)copy.deepcopy(x)Here, the copy() return a shallow copy of x. Similarly, deepcopy() return a deep copy of x.Shallow CopyA shallow copy creates a new object which stores the reference of the original elements.So, a shallow copy doesn't create a copy of nested objects, instead it just copies the reference of nested objects. This means, a copy process does not recurse or create copies of nested objects itself.Example 2: Create a copy using shallow copyimport copyold_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]new_list = copy.copy(old_list)print("Old list:", old_list)print("New list:", new_list)When we run the program , the output will be:Old list: [[1, 2, 3], [4, 5, 6], [7, 8, 9]]New list: [[1, 2, 3], [4, 5, 6], [7, 8, 9]]In above program,