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How do you use the ellipsis slicing syntax in Python?
...shape(2,2,2,2)
Now, you have a 4-dimensional matrix of order 2x2x2x2. To select all first elements in the 4th dimension, you can use the ellipsis notation
>>> a[..., 0].flatten()
array([ 0, 2, 4, 6, 8, 10, 12, 14])
which is equivalent to
>>> a[:,:,:,0].flatten()
array([ 0...
Is there any way to prevent input type=“number” getting negative values?
...tive number from keyboard.
Solution is to prevent with key code:
// Select your input element.
var number = document.getElementById('number');
// Listen for input event on numInput.
number.onkeydown = function(e) {
if(!((e.keyCode > 95 && e.keyCode < 106)
|| (e....
Deleting multiple elements from a list
...; del a[0:3:2]
>>> a
[1, 3, 4]
This doesn't cover any arbitrary selection, of course, but it can certainly work for deleting any two items.
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Should we @Override an interface's method implementation?
...o do that right click on ur project-> properties-> Java compiler and select one that is higher than 1.5.
– Rose
Nov 14 '12 at 19:18
1
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What does “for” attribute do in HTML tag?
...Chrome and Safari, for example, clicking a label that is associated with a select only puts focus on the select rather than expanding the options.
– Emile Pels
Feb 8 '16 at 13:30
2...
Where does R store packages?
...rature. Once you find it, go to the /etc subdirectory.
C:\R\R-2.10.1\etc
Select the file in this folder named Rprofile.site. I open it with VIM. You will find this is a bare-bones file with less than 20 lines of code. I inserted the following inside the code:
# my custom library path
.libPaths("C...
How can I scroll a web page using selenium webdriver in python?
...break
last_height = new_height
another method (thanks to Juanse) is, select an object and
label.sendKeys(Keys.PAGE_DOWN);
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iOS Simulator failed to install the application
...had to remove folder ~/Library/Application Support/iPhone Simulator/6.0 (I selectively removed for 6.0 - other iOS versions were unaffected in my case).
– mklement0
Aug 2 '13 at 13:53
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How to change the default GCC compiler in Ubuntu?
... @thang also called cc: root@host:/root# update-alternatives --get-selections | grep '/usr/bin/gcc' cc auto /usr/bin/gcc
– jopasserat
Aug 13 '16 at 15:26
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Auto-indent in Notepad++
...t plugin from Plugins > Plugin Manager > Show Plugin Manager.
Then I selected the Smart Indent option in Plugin > NppAutoIndent. Hope this helps.
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