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How to sleep for five seconds in a batch file/cmd [duplicate]
...rgument to hide the list of valid choices and only have 1 character in the set of choices so it will be less likely that the user will type a valid choice before the timeout expires.
Below is the help text on Windows Vista. I think it is the same on XP, but look at the help text on an XP computer ...
Circular gradient in android
...rent, that is, a percentage of the narrowest dimension of whatever view we set our drawable on. The images above were generated by changing the gradientRadius in this code
my_gradient_drawable
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...e a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
...
Differences between Agda and Idris
.... Agda has universe polymorphism, Idris has cumulativity (and you can have Set : Set in both if you find this too restrictive and don't mind that your proofs might be unsound).
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Delete newline in Vim
...trailing newline character in the last line, you need to do this in Vim:
:set noendofline binary
:w
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How can I calculate an md5 checksum of a directory?
...duces a single md5sum that should be unique to your file and sub-directory setup. No files are created on disk.
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How do I draw a grid onto a plot in Python?
...ge(0, 1, 0.05)
y = numpy.power(x, 2)
fig = plt.figure()
ax = fig.gca()
ax.set_xticks(numpy.arange(0, 1, 0.1))
ax.set_yticks(numpy.arange(0, 1., 0.1))
plt.scatter(x, y)
plt.grid()
plt.show()
ax.xaxis.grid and ax.yaxis.grid can control grid lines properties.
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How do I replace the *first instance* of a string in .NET?
... 1);
// result = "bar1 foo2 foo3 foo4"
The third parameter, set to 1 in this case, is the number of occurrences of the regex pattern that you want to replace in the input string from the beginning of the string.
I was hoping this could be done with a static Regex.Replace overload but...
How is __eq__ handled in Python and in what order?
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Advantages of stateless programming?
I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...