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What is the purpose of a plus symbol before a variable?
...er or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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How to read a CSV file into a .NET Datatable
...ders specified in the first line. What you have appears to be more generic comma-delimited, discriminated data, requiring more sophisticated "ETL" to parse from the file into object instances of varying types (which could include DataRows of different DataTables).
– KeithS
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Can I use jQuery with Node.js?
...n't install on Windows (without significant work), in which case I would recommend the Cheerio module: matthewmueller.github.com/cheerio
– Simon East
Mar 31 '13 at 7:02
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Matplotlib: draw grid lines behind other graph elements
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According to this - http://matplotlib.1069221.n5.nabble.com/axis-elements-and-zorder-td5346.html - you can use Axis.set_axisbelow(True)
(I am currently installing matplotlib for the first time, so have no idea if that's correct - I just found it by googling "matplotlib z order gr...
Managing Sessions in Node.js? [closed]
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You can do that very easily using:
Connect: http://senchalabs.github.com/connect/
Connects is like Rack in Ruby. It gives you an extra layer where you can "play" with authentication, sessions, cookies, among others.
Other option is to use frameworks:
Express.js: http://expressjs.com/
It see...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
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To use unsafe code blocks, the project has to be compiled with the /unsafe switch on.
Open the properties for the project, go to the Build tab and check the Allow unsafe code checkbox.
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How do I add multiple arguments to my custom template filter in a django template?
...'s no reason you can't put all your arguments into a single string using a comma to separate them.
So for example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can create your templ...
Comprehensive beginner's virtualenv tutorial? [closed]
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This is very good: http://simononsoftware.com/virtualenv-tutorial-part-2/
And this is a slightly more practical one: https://web.archive.org/web/20160404222648/https://iamzed.com/2009/05/07/a-primer-on-virtualenv/
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