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Does “\d” in regex mean a digit?
...found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
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How to iterate a loop with index and element in Swift
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Yes. As of Swift 3.0, if you need the index for each element along with its value, you can use the enumerated() method to iterate over the array. It returns a sequence of pairs composed of the index and the value for each item in the arra...
How to initialize a vector in C++ [duplicate]
... give you the beginning and end of an array:
template <typename T, size_t N>
T* begin(T(&arr)[N]) { return &arr[0]; }
template <typename T, size_t N>
T* end(T(&arr)[N]) { return &arr[0]+N; }
And then you can do this without having to repeat the size all over:
int vv[]...
How to uninstall a Windows Service when there is no executable for it left on the system?
...rvice via Registry
Its very easy to remove a service from registry if you know the right path. Here is how I did that:
Run Regedit or Regedt32
Go to the registry entry "HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services"
Look for the service that you want delete and delete it. You can look at t...
Animate a custom Dialog
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To start with, the most important thing — I probably had it working 5 different ways today but couldn't tell because... If your devices animation settings are set to "No Animations" (Settings → Display → Animation) then the dialogs won't be animated no matter what you do!
The following is a...
Use Mockito to mock some methods but not others
...mock.getSomething();
when(mock.getSomething()).thenReturn(fakeValue);
// now fakeValue is returned
value = mock.getSomething();
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How do I get the row count of a pandas DataFrame?
...erty or just len(DataFrame.index). However, there are notable performance differences ( len(DataFrame.index) is fastest).
Code to reproduce the plot:
import numpy as np
import pandas as pd
import perfplot
perfplot.save(
"out.png",
setup=lambda n: pd.DataFrame(np.arange(n * 3).reshape(n, ...
Disable a Button
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The boolean value for NO in Swift is false.
button.isEnabled = false
should do it.
Here is the Swift documentation for UIControl's isEnabled property.
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Get the (last part of) current directory name in C#
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You're looking for Path.GetFileName.
Note that this won't work if the path ends in a \.
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How do I rename the extension for a bunch of files?
...is does not work for filenames with spaces in them without proper quoting (now added above). When working purely on your own files that you know do not have spaces in the filenames this will work but whenever you write something that may be reused at a later time, do not skip proper quoting.
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