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How do I use extern to share variables between source files?
...ferenced in other source files, such as file2.c.
It is important to understand the difference between defining a
variable and declaring a
variable:
A variable is declared when the compiler is informed that a
variable exists (and this is its type); it does not allocate the
storage for the variable a...
Named colors in matplotlib
...
I constantly forget the names of the colors I want to use and keep coming back to this question =)
The previous answers are great, but I find it a bit difficult to get an overview of the available colors from the posted image. I prefer the colors to be grouped with similar colors, ...
Is there a way to use SVG as content in a pseudo element :before or :after
...
Yes you can! Just tested this and it works great, this is awesome! It still doesn't work with html, but it does with svg.
In my index.html I have:
<div id="test" style="content: url(test.svg); width: 200px; height: 200px;"></div>
And my t...
How can I get the sha1 hash of a string in node.js?
...
See the crypto.createHash() function and the associated hash.update() and hash.digest() functions:
var crypto = require('crypto')
var shasum = crypto.createHash('sha1')
shasum.update('foo')
shasum.digest('hex') // => "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33...
Excel to CSV with UTF8 encoding [closed]
...ters that aren't ASCII characters. It also seems to do this with the left and right quotes and long dashes that appear to be coming from the original user creating the Excel file in Mac.
...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
... which allows to easily switch between environments, even between Python 2 and 3. It is also updated very quickly as soon as a new version of a package is released, and you can just do conda update packagename to update it.
Original answer below:
On Windows, what is complicated is to compile the m...
Bootstrap Modal immediately disappearing
...
bootstrap.min.js (same as above, just minified)
bootstrap-modal.js (the standalone plugin)
a dependency loader, e.g., require('bootstrap')
Debugging Tips
A good place to start is to inspect the registered click event listeners using the developer tools in your browser. Chrome, for instance, wil...
Scatterplot with too many points
...+ geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regular old rectangular binning (image omitted), which is more like your tr...
Change R default library path using .libPaths in Rprofile.site fails to work
...dows, not as an administrator. When I install a package, the following command doesn't work:
15 Answers
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Why does the C++ STL not provide any “tree” containers?
Why does the C++ STL not provide any "tree" containers, and what's the best thing to use instead?
14 Answers
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