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Python : List of dict, if exists increment a dict value, if not append a new dict

...urls) If you really need to do it the way you showed, the easiest and fastest way would be to use any one of these three examples, and then build the one you need. from collections import defaultdict # available in Python 2.5 and newer urls_d = defaultdict(int) for url in list_of_urls: urls...
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What are dictionary view objects?

...ike", in that they don't support indexing, so what you can do with them is test for membership and iterate over them (because keys are hashable and unique, the keys and items views are more "set-like" in that they don't contain duplicates). You can store them and use them multiple times, like the li...
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How can I make git accept a self signed certificate?

...ts/ directory and it'd efficiently sort out everything you need. I haven't tested this, mind you, but it might allow you go use a --global with a whole bunch of certs. Worth testing, however. – Christopher Dec 16 '14 at 1:27 ...
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Why maven? What are the benefits? [closed]

...r. First, why do you use Maven like this? I don't. I use my IDE to write tests, code until they pass, refactor, deploy, hot deploy and run a local Maven build when I'm done, before to commit, to make sure I will not break the continuous build. Second, I'm not sure using Ant would make things much...
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What are the security risks of setting Access-Control-Allow-Origin?

... It can even use your router directly as a DDoS node. (Most routers have test pages which allow for pings or simple HTTP server checks. These can be abused en masse.) – Brad Oct 31 '16 at 0:12 ...
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What is the difference between Python's list methods append and extend?

...t thing is doing things the Right Way™. It's conceivable that you might test timings on two comparable operations and get an ambiguous or inverse result. Just focus on doing the semantically correct thing. Conclusion We see that extend is semantically clearer, and that it can run much faster th...
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Is there a performance difference between i++ and ++i in C?

... So the "No" is true for the one compiler you tested with. – Andreas Jan 25 '11 at 8:59 174 ...
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Which is best way to define constants in android, either static class, interface or xml resource?

...r that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it as configurable, so that application can get appropriate URL based on me build type confi...
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Add Bootstrap Glyphicon to Input Box

... sizes, different icon sets, and different label visibilities, I created a test page that shows the correct set of HTML for each permutation along with a live demo. Here's a demo in Plunker P.S. frizi's suggestion of adding pointer-events: none; has been added to bootstrap Didn't find what ...
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What is the difference between Pan and Swipe in iOS?

...ding state of the gesture. Code that handles tap gestures should therefore test for the state of the gesture. Swift 3 UITapGestureRecognizer Demo Example Resource Link override func viewDidLoad() { super.viewDidLoad() let tap = UITapGestureRecognizer(target: self, action: #selector(doubleTa...