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How do I ignore the initial load when watching model changes in AngularJS?
... and new value approach suggested by @MW. is both simpler and more Angular idiomatic. Can you update the accepted answer?
– gerryster
Nov 18 '14 at 19:56
2
...
Convert a row of a data frame to vector
... been changed in the meantime, but today unlist allows dropping names: identical(unlist(df[1,], use.names = FALSE), as.numeric(df[1,])) (and btw df still is not a sensible name for a data.frame... ;-))
– Andri Signorell
Sep 25 '19 at 13:51
...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...just changing the elements that need to be changed. That's important to avoid for large data, and why := and set() were introduced to data.table.
Now, with our copied newDT we can modify it by reference :
newDT
# a b
# [1,] 1 11
# [2,] 2 200
newDT[2, b := 400]
# a b # See FA...
How can I obtain the element-wise logical NOT of a pandas Series?
...ctually tested the tilde as it was mentioned in the documentation, but it didn't perform the same as np.invert :S
– root
Apr 14 '13 at 13:11
...
what exactly is device pixel ratio?
...any different device pixel ratios, you should use CSS Media Queries to provide different sets of resources for different groups of devices. Combine this with nice tricks like background-size: cover or explicitly set the background-size to percentage values.
Example
#element { background-image: url...
How can I make Bootstrap columns all the same height?
...-4" style="background-color: yellow">
catz
<img width="100" height="100" src="https://placekitten.com/100/100/">
</div>
<div class="col-md-4" style="background-color: green">
some more content
</div>
</div>
&l...
'typeid' versus 'typeof' in C++
I am wondering what the difference is between typeid and typeof in C++. Here's what I know:
6 Answers
...
Are C# events synchronous?
...ng is done by simply invoking the final combined delegate
Here's what I did. The program I used:
public class Foo
{
// cool, it can return a value! which value it returns if there're multiple
// subscribers? answer (by trying): the last subscriber.
public event Func<int, string>...
How to get datetime in JavaScript?
...ething (I've messed this up royally in the past).
– sidewinderguy
Apr 11 '16 at 21:07
1
I don't u...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...ugh to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
...