How to repeat a command with substitution in Vim?
Specifically for subsitutions: use & to repeat your last substitution on the current line from normal mode. To repeat for all lines, type :%&
repeat
How to repeat tensor in a specific new dimension in PyTorch
tensor.repeat should suit your needs but you need to insert a unitary dimension first. For this we could use either tensor.unsqueeze or tensor.reshape. Since unsqueeze is specifically defined to insert a unitary dimension we will use that. B = A.unsqueeze(1).repeat(1, K, 1) Code Description A.unsqueeze(1) turns A from an [M, N] to [M, 1, N] … Read more
Initializing a vector of vectors having a fixed size with boost assign
This doesn’t use boost::assign but does what you need: vector<vector<int>> v(10, vector<int>(10,1)); This creates a vector containing 10 vectors of int, each containing 10 ints.
AngularJS checkbox ng-repeat and selected objects?
I have to override the categories each time the list is populated since it will be pull out form server. So i quess i need to have arrays and the second one will hold the selected objects? Yes, since it is a list you can/should use arrays. The information about the selected items/objects should be … Read more
Repeating each element of a numpy array 5 times
In [1]: data = np.arange(-50,50,10) To repeat each element 5 times use np.repeat: In [3]: np.repeat(data, 5) Out[3]: array([-50, -50, -50, -50, -50, -40, -40, -40, -40, -40, -30, -30, -30, -30, -30, -20, -20, -20, -20, -20, -10, -10, -10, -10, -10, 0, 0, 0, 0, 0, 10, 10, 10, 10, 10, 20, 20, … Read more
CABasicAnimation unlimited repeat without HUGE_VALF?
No, this is the way you’re supposed to do it according to the documentation. Setting this property to HUGE_VALF will cause the animation to repeat forever. Update for Swift: HUGE_VALF is not exposed to Swift. However, my understanding from this page is that HUGE_VALF is intended to be infinity (in fact, INFINITY is defined as … Read more
How do I repeat the last n changes in Vim?
Don’t think you can, see :help . However, what you can do is to record a macro for your edits, you have a lot of registers to choose from {0-9a-zA-Z”} (uppercase to append). Then use e.g. @u for edit 1, @t for edit 2 and so on. Great tips about recording from Best of VIM … Read more
Fastest way to count number of occurrences in a Python list
a = [‘1’, ‘1’, ‘1’, ‘1’, ‘1’, ‘1’, ‘2’, ‘2’, ‘2’, ‘2’, ‘7’, ‘7’, ‘7’, ’10’, ’10’] print a.count(“1”) It’s probably optimized heavily at the C level. Edit: I randomly generated a large list. In [8]: len(a) Out[8]: 6339347 In [9]: %timeit a.count(“1”) 10 loops, best of 3: 86.4 ms per loop Edit edit: This … Read more
Repeating background image in native iPhone app
Apparently a UIColor is not necessarily a single color, but can be a pattern as well. Confusingly, this is not supported in Interface Builder. Instead you set the backgroundColor of the view (say, in -viewDidLoad) with the convenience method +colorWithPatternImage: and pass it a UI Image. For Instance: – (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = … Read more
How can I replicate rows of a Pandas DataFrame?
Solutions: Use np.repeat: Version 1: Try using np.repeat: newdf = pd.DataFrame(np.repeat(df.values, 3, axis=0)) newdf.columns = df.columns print(newdf) The above code will output: Person ID ZipCode Gender 0 12345 882 38182 Female 1 12345 882 38182 Female 2 12345 882 38182 Female 3 32917 271 88172 Male 4 32917 271 88172 Male 5 32917 271 88172 … Read more