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matplotlib does not show my drawings although I call pyplot.show()
... in directory ~/.matplotlib/. In this case, the following code shows where it is:
>>> import matplotlib
>>> matplotlib.matplotlib_fname()
In [1]: import matplotlib.pyplot as p
In [2]: p.plot(range(20),range(20))
Out[2]: [<matplotlib.lines.Line2D object at 0xa64932c>]
I...
How does Java handle integer underflows and overflows and how would you check for it?
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If it overflows, it goes back to the minimum value and continues from there. If it underflows, it goes back to the maximum value and continues from there.
You can check that beforehand as follows:
public static boolean willAdd...
Save image from URL by paperclip
...insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though.
– David Tuite
Oct 11 '13 at 9:16
1
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GetType() can lie?
...etType() not be virtual really ensured that an object could not lie about its Type .
8 Answers
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Optimal number of threads per core
...unt of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
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Passing additional variables from command line to make
...nment - each environment variable is transformed into a makefile variable with the same name and value.
You may also want to set -e option (aka --environments-override) on, and your environment variables will override assignments made into makefile (unless these assignments themselves use the overr...
How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
How do search engines deal with AngularJS applications?
I see two issues with AngularJS application regarding search engines and SEO:
15 Answers
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Parsing CSV files in C#, with header
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Let a library handle all the nitty-gritty details for you! :-)
Check out FileHelpers and stay DRY - Don't Repeat Yourself - no need to re-invent the wheel a gazillionth time....
You basically just need to define that shape of your data - the fields in y...
“static const” vs “#define” vs “enum”
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It depends on what you need the value for. You (and everyone else so far) omitted the third alternative:
static const int var = 5;
#define var 5
enum { var = 5 };
Ignoring issues about the choice of name, then:
If you ...