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List of lists changes reflected across sublists unexpectedly

...(3)] which will reevaluate [1]*4 each time instead of evaluating it once and making 3 references to 1 list. You might wonder why * can't make independent objects the way the list comprehension does. That's because the multiplication operator * operates on objects, without seeing expressions. Wh...
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Grep characters before and after match?

... 3 characters before and 4 characters after $> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}' 23_string_and share | im...
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How to iterate through two lists in parallel?

I have two iterables in Python, and I want to go over them in pairs: 8 Answers 8 ...
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How can I make an svg scale with its parent container?

...cale when size is non-native. Of course I could have it as a separate file and scale it like that. 7 Answers ...
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Difference between exit(0) and exit(1) in Python

What's the difference between exit(0) and exit(1) in Python? 5 Answers 5 ...
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What Are the Differences Between PSR-0 and PSR-4?

Recently I've read about namespaces and how they are beneficial. I'm currently creating a project in Laravel and trying to move from class map autoloading to namespacing. However, I can't seem to grasp what the actual difference is between PSR-0 and PSR-4. ...
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Why does this go into an infinite loop?

...ew MutableInt(valueBeforeIncrement); } Right? Increment the value passed and return the original value: that's the definition of the postincrement operator. Now, let's see how this behavior plays out in your example code: MutableInt x = new MutableInt(); x = postIncrement(x); postIncrement(x) ...
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Delete topic in Kafka 0.8.1.1

... Thanks for the info. Do you know how to clear the entire Kafka and Zookeeper states as indicated? – EmPak5 Jun 18 '14 at 16:09 ...
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Resizing an image in an HTML5 canvas

I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...
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Similarity String Comparison in Java

I want to compare several strings to each other, and find the ones that are the most similar. I was wondering if there is any library, method or best practice that would return me which strings are more similar to other strings. For example: ...