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How to execute a Python script from the Django shell?

...es, it's a good idea to set it up as a custom command ie $ ./manage.py my_command to do this create a file in a subdir of management and commands of your app, ie my_app/ __init__.py models.py management/ __init__.py commands/ __init__.py my_co...
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Parse JSON in C#

...lizeObject(object o); This are already part of Json.NET so you can just call them on the JsonConvert class. Link: Serializing and Deserializing JSON with Json.NET Now, the reason you're getting a StackOverflow is because of your Properties. Take for example this one : [DataMember] public st...
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Converting SVG to PNG using C# [closed]

... You can call the command-line version of inkscape to do this: http://harriyott.com/2008/05/converting-svg-images-to-png-in-c.aspx Also there is a C# SVG rendering engine, primarily designed to allow SVG files to be used on the web o...
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addEventListener not working in IE8

... Try: if (_checkbox.addEventListener) { _checkbox.addEventListener("click", setCheckedValues, false); } else { _checkbox.attachEvent("onclick", setCheckedValues); } Update:: For Internet Explorer versions prior to IE9, attach...
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How do you create nested dict in Python?

...he following: d = {} # can use defaultdict(dict) instead for row in file_map: # derive row key from something # when using defaultdict, we can skip the next step creating a dictionary on row_key d[row_key] = {} for idx, col in enumerate(row): d[row_key][idx] = col Ac...
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Difference between single and double quotes in Bash

... Enclosing characters in double quotes (") preserves the literal value of all characters within the quotes, with the exception of $, `, \, and, when history expansion is enabled, !. The characters $ and ` retain their special meaning within double quotes (see Shell Expansions). The backslash retain...
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How to determine SSL cert expiration date from a PEM encoded certificate?

...an I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files. ...
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Find unique rows in numpy.array

...e((np.void, a.dtype.itemsize * a.shape[1]))) ? – Akavall Jun 7 '13 at 0:28 3 @Akavall It is creat...
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What's the difference between eval, exec, and compile?

... The short answer, or TL;DR Basically, eval is used to evaluate a single dynamically generated Python expression, and exec is used to execute dynamically generated Python code only for its side effects. eval and exec have these two differences: eval accep...
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How does “cat

... This is called heredoc format to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details. From man bash: Here Documents This type of redirection instructs the shell to read...