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How do you send a HEAD HTTP request in Python 2?
...a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to download the content. Does anyone know...
Can someone explain the dollar sign in Javascript?
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The $ sign is an identifier for variables and functions.
https://web.archive.org/web/20160529121559/http://www.authenticsociety.com/blog/javascript_dollarsign
That has a clear explanation of what the dollar sign is for.
Here's an alternative explanation: http://www.vcarrer.com/20...
assertEquals vs. assertEqual in python
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I don't find any mention of assertEquals in http://docs.python.org/library/unittest.html. However, when I import TestCase and then do a "help(TestCase)", it's listed. I think it's just a synonym for convenience.
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What is the _snowman param in Ruby on Rails 3 forms for?
...eUploader: {
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How to install PyQt4 on Windows using pip?
...lve your purpose. The .exe windows installers can be downloaded from :
https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/
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Dynamically updating plot in matplotlib
...the terminal remains available for monitoring commands while plotting.
See http://www.github.com/ceyzeriat/joystick/ or https://pypi.python.org/pypi/joystick (use pip install joystick to install)
Just replace np.random.random() by your real data point read from the serial port in the code below:
i...
Is there a way to instantiate objects from a string holding their class name?
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boost::functional has a factory template which is quite flexible: http://www.boost.org/doc/libs/1_54_0/libs/functional/factory/doc/html/index.html
My preference though is to generate wrapper classes which hide the mapping and object creation mechanism. The common scenario I encounter is th...
How do I remove an item from a stl vector with a certain value?
...or.erase to actually remove the elements.
Documentation links
std::remove http://www.cppreference.com/cppalgorithm/remove.html
std::vector.erase http://www.cppreference.com/cppvector/erase.html
std::vector<int> v;
v.push_back(1);
v.push_back(2);
//Vector should contain the elements 1, 2
//...
Getting the docstring from a function
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How to make an HTTP POST web request
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There are several ways to perform HTTP GET and POST requests:
Method A: HttpClient (Preferred)
Available in: .NET Framework 4.5+, .NET Standard 1.1+, .NET Core 1.0+ .
It is currently the preferred approach, and is asynchronous and high performance. Use t...