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How to add an empty column to a dataframe?
...he easiest way to add an empty column to a pandas DataFrame object? The best I've stumbled upon is something like
11 Ans...
How can i take an UIImage and give it a black border?
...ions of your image, then adding a border to the UIImageView's layer is the best solution AFAIK. Infact, you can simply setFrame your imageView to x,y,image.size.width,image.size.height
In case you have an ImageView of a fixed size with dynamically loaded images which are getting resized (or scaled ...
How do I disable directory browsing?
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The best way to do this is disable it with webserver apache2. In my Ubuntu 14.X - open /etc/apache2/apache2.conf change from
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride None
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...d by the time your code executes?
Also, while I'm not sure if this is the best way to tell if your activity is running, see this answer for one method of doing so:
Check whether activity is active
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MVC 3: How to render a view without its layout page when loaded via ajax?
...as/Dashboard/Views/Shared/_Layout.cshtml";
}}
of course, maybe it is not best solution
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Combine two ActiveRecord::Relation objects
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This is the best answer, IMO. It works flawlessly for OR type queries.
– thekingoftruth
Mar 7 '15 at 1:24
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Clearing all cookies with JavaScript
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this should be the best answer
– Kanan Farzali
Nov 20 '17 at 14:26
3
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Sort objects in ArrayList by date?
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list.sort(Comparator.comparing(o -> o.getDateTime()));
The best answer IMHO from Tunaki using Java 8 lambda
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Overriding a JavaScript function while referencing the original
... into the execution context of the returned function. I think this was the best answer, but personally, I would prefer passing the function 'a' as an argument to IIFE. I think it is more understandable.
var a = (function(original_a) {
if (condition) {
return function() {
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How can I reverse a list in Python?
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I think that the best way to reverse a list in Python is to do:
a = [1,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]
The job is done, and now you have a reversed list.
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