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Custom numeric format string to always display the sign

... 301 Yes, you can. There is conditional formatting. See Conditional formatting in MSDN eg: strin...
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Operation on every pair of element in a list

... | edited Jun 3 '09 at 18:12 answered Jun 3 '09 at 0:24 ...
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Standardize data columns in R

...have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages. 15 An...
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Iterate a list with indexes in Python

...e this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of: 6 An...
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Round to at most 2 decimal places (only if necessary)

... Use Math.round(num * 100) / 100 Edit: to ensure things like 1.005 round correctly, we use Math.round((num + Number.EPSILON) * 100) / 100 share | ...
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Removing trailing newline character from fgets() input

... ugly way: char *pos; if ((pos=strchr(Name, '\n')) != NULL) *pos = '\0'; else /* input too long for buffer, flag error */ The slightly strange way: strtok(Name, "\n"); Note that the strtok function doesn't work as expected if the user enters an empty string (i.e. presses only Enter). ...
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How to deal with SettingWithCopyWarning in Pandas?

I just upgraded my Pandas from 0.11 to 0.13.0rc1. Now, the application is popping out many new warnings. One of them like this: ...
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Add single element to array in numpy

...mal to use the proper method for adding an element: a = numpy.append(a, a[0]) share | improve this answer | follow | ...
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surface plots in matplotlib

...t.figure() ax = fig.add_subplot(111, projection='3d') x = y = np.arange(-3.0, 3.0, 0.05) X, Y = np.meshgrid(x, y) zs = np.array(fun(np.ravel(X), np.ravel(Y))) Z = zs.reshape(X.shape) ax.plot_surface(X, Y, Z) ax.set_xlabel('X Label') ax.set_ylabel('Y Label') ax.set_zlabel('Z Label') plt.show() ...
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Full Page

...ks for everyone responding. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Test Layout</title> <style type="text/...