In python there are only two boolean value : True or False. And all Python object can be expressed as Boolean value, regardless of their own value. For example all python variable which value is 0’s boolean value is False, all python variable which value is not 0’s boolean value is True. Similarly, empty container […]
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sys.argv[] is used to get python command line arguments. sys.argv[0] ‘s value is the file path of the python source code file that is running. For example, if you run python test_sys_arg.pyin a terminal, then sys.argv[0]‘s value is test_sys_arg.py. This article will give you two example about how to use sys.argv[] to get command line
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When I run my python script code, I meet an error like this IndentationError: unindent does not match any outer indentation level. This error is so strange and hard to find the reason. After some investigation, I finally find the solution.
Django has provided a feature that can help you to avoid csrf attacks on your Django application. But sometimes especially in your development environment, you do not want this feature when sending post requests to your web server use curl in the command line, if this feature is enabled, you will get errors. This article
How To Enable Or Disable CSRF Validation In Django Web Application Read More »
When I develop my Django app example, I meet an error with TemplateSyntaxError: Could Not Parse The Remainder error message like below. This error is so strange but so simple to fix, but it cost me a lot of time. So I want to write down the solution here for the reader to fix it
This article will tell you how to add static CSS or js files in your Django project, and how to reference the static js or CSS files in Django template HTML files.
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Morden web application are all designed with MVC( Model, View, Controller ) pattern. But in django, the pattern name is MTV( Model, Template, View Function ). So in django, template html is the view, and view function plays the role of controller. This article will tell you how to create template and view function in
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Hard coded url in your Django template html files or views.py file is a bad practice. Because it is difficult to maintain url changes. If you change one url, you may need to change that url in a lot of pages. So Django provide template url tag and reverse function for you to avoid hard
How To Use Django url Tag And reverse() Function To Avoid Url Hard Coded Read More »
IPython provides a lot of magic commands, with the %%writefile command, you can create a text file and write text in jupyter notebook to the file in the IPython interface easily. This article will show you two examples to demo how to open a file in jupyter notebook and how to write text in jupyter
How To Write Text In Jupyter Notebook And IPython To File Read More »
This example will tell you how to add HTTP response headers in Django source code. This example is based on Django Bootstrap3 Example, but you can also create a new Django project to run this example.
How To Add Http Headers In Django Response Read More »