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add a string prefix to each value in a string column using Pandas

I would like to append a string to the start of each value in a said column of a pandas dataframe (elegantly). I already figured out how to kind-of do this and I am currently using: ...
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How can I download HTML source in C#

...; using (WebClient client = new WebClient ()) // WebClient class inherits IDisposable { client.DownloadFile("http://yoursite.com/page.html", @"C:\localfile.html"); // Or you can get the file content without saving it string htmlCode = client.DownloadString("http://yoursite.com/page.htm...
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Is Java RegEx case-insensitive?

...tern to enable case-insensitivity. In this particular case, it is not overridden later in the pattern, so in effect the whole pattern is case-insensitive. It is worth noting that in fact you can limit case-insensitivity to only parts of the whole pattern. Thus, the question of where to put it reall...
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How to secure RESTful web services?

I have to implement secure RESTful web services . I already did some research using Google but I'm stuck. 3 Answers ...
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How to use a different version of python during NPM install?

... This is a bad idea when its necessary that there is a certain python3 environment loaded. python2.7 is only used for npm in this case, so only set it for npm and not for your whole shell environment without knowing what you are doing. ...
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git: switch branch without detaching head

...al: git checkout: updating paths is incompatible with switching branches. Did you intend to checkout 'upstream/topic/fetch' which can not be resolved as commit? – ulu Jan 24 '12 at 13:27 ...
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Difference between Python datetime vs time modules

...och. the datetime module can support many of the same operations, but provides a more object oriented set of types, and also has some limited support for time zones. share | improve this answer ...
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Maven: how to do parallel builds?

...nswered Jul 23 '10 at 11:58 hallidavehallidave 7,24944 gold badges2929 silver badges2626 bronze badges ...
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Bash script to receive and repass quoted parameters

... parameters of a bash script to safely be received by a nested script. Any ideas? 2 Answers ...
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How does IPython's magic %paste work?

...e for another useful IPython magic function. First to restate what @EOL said, one way to solve OP's problem is to turn off auto-indentation by first running %autoindent and doing the paste (not needed if you are using %paste, of course). Now to add more information to what is already there here, o...