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how to fire event on file select
...hronously, don't navigate away from the page, then attempt to upload the same file again? This code will only execute once, the second time, selecting the same file will not execute a change event
– Christopher Thomas
Mar 13 '14 at 15:11
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
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Rails has an except/except! method that returns the hash with those keys removed. If you're already using Rails, there's no sense in creating your own version of this.
class Hash
# Returns a hash that includes everything but the given keys.
# ha...
DateTime.Now vs. DateTime.UtcNow
...work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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Why are functions and methods in PHP case-insensitive?
Functions and methods in PHP are case-insensitive as illustrated in the following example.
2 Answers
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Take the content of a list and append it to another list
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Yes, append is for one element, extend is like concat.
– Catalina Chircu
Feb 4 at 6:38
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Python Requests library redirect new url
I've been looking through the Python Requests documentation but I cannot see any functionality for what I am trying to achieve.
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...e Bad
List<Dog> dogs = new ArrayList<Dog>(); // ArrayList implements List
List<Animal> animals = dogs; // Awooga awooga
animals.add(new Cat());
Dog dog = dogs.get(0); // This should be safe, right?
Suddenly you have a very confused cat.
Now, you can't add a Cat to a List<? ex...
How do you clone a BufferedImage
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Something like this?
static BufferedImage deepCopy(BufferedImage bi) {
ColorModel cm = bi.getColorModel();
boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
WritableRaster raster = bi.copyData(null);
return new Buf...
how to add script src inside a View when using Layout
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Depending how you want to implement it (if there was a specific location you wanted the scripts) you could implement a @section within your _Layout which would enable you to add additional scripts from the view itself, while still retaining structure. e.g....
Hide hidden(dot) files in github atom editor
...ree View". This package has a few settings you can toggle, "Hide Ignored Names" is what you're looking for.
It's a really buried setting, not sure why.
You can also add it to your config:
'tree-view':
'hideIgnoredNames': true
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