Step 1: Install Python3 Use brew install python to install python3 on the mac, current version is Python 3.6.5. If your mac has a python2 already, brew will ask for an upgrade, which is fine. # Going to install python3 brew install python # Going to upgrade brew upgrade python Step 2: Install Python2 Homebrew
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Install numpy pip3 install numpy Some basic examples: import numpy as np # Create rank 1 array #[1,2,3] a = np.array([1, 2, 3]) # Create rank 2 array #[[ 1, 2, 3], # [ 4, 5, 6]] b = np.array([(1,2,3), (4,5,6)]) # matrix with diff data types b = np.array([(1,2,3), (4,5,"a")]) a and b are
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RabbitMQ is an open source & enterprise level messsage broker using AMQP protocal. The AMQP protocol is designed for asychronization and message dispatch. RabbitMQ can be used in time-consuming backend jobs such as sending emails to client, generating file for user to download, and so on. Install on Mac brew update brew install rabbitmq Then
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Jinja2 is a flexible HTML Template along with with Flask, another commonly used Flask template is Mako. Install Jinja2 Install with PIP pip install jinja2 Basic Operation 1. Determine whether a variable is set or not {# user is a variable, and none is not None #} {% if user is not none %} in
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This articles presents all the formatted string in JS, Python, Swift and Objective-C. JavaScript Example: variable a can be any type using “ instead of “” or ”. “ can be also used for multiline, see following example // template string let a = 100; let b = `${a}`; // multiple lines let a =
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When I went to office this morning, I was told one of company’s website is not running properly. To be more specific, the whole web will be frozen every time 10 mins after a restart. The web was developed by myself and it was using Flask, with a SSL certificate in it. As a first
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What is @property A normal class with class variable num: class Item(object): def __init__(self, value = 0): self._num = value Be aware: _num has no difference with num, the _ just let the variable num to be internal only. We can call this by: create new object item = Item() # set num item.num =
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There are a couple of ways of creating Singleton in Python: use module use __new__ use metaclass use decorator [gist https://gist.github.com/arkilis/67c72117ed76802bd5525e8ccb33c563/] Reference http://python.jobbole.com/87514/ http://www.needone.app
In Python, there are three methods: Instance method Static method Class method Look at the following code, have a test for yourself, what are the output: [gist https://gist.github.com/arkilis/341bf667a577b04b8b3a58bce78809a6 /] Results: 1: foo.method(“instance method”) — OK 2: Foo.method("instance method again") is wrong, as method is the instance method. To run an instance method, you have to
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telstra-sms-sdk A fully tested Python SDK allow you to send sms in a more easy way! Current version: 0.0.7 Support Python version: >=python 2.6 (not python3) If you have any questions or issue, please create an issue or pull request. Prerequisite Before you are using this lib, please register an App on Telstra at https://dev.telstra.com/.
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