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How is OAuth 2 different from OAuth 1?

In very simple terms, can someone explain the difference between OAuth 2 and OAuth 1? 10 Answers ...
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“x not in y” or “not x in y”

... They always give the same result. In fact, not 'ham' in 'spam and eggs' appears to be special cased to perform a single "not in" operation, rather than an "in" operation and then negating the result: >>> import dis >>> def notin(): 'ham' not in 'spam and eggs' &g...
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How to create a numpy array of all True or all False?

...s very easily: e.g. numpy.ones((2, 2)) or numpy.zeros((2, 2)) Since True and False are represented in Python as 1 and 0, respectively, we have only to specify this array should be boolean using the optional dtype parameter and we are done. numpy.ones((2, 2), dtype=bool) returns: array([[ True, ...
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?

... Yes. They are different file formats (and their file extensions). Wikipedia entries for each of the formats will give you quite a bit of information: JPEG (or JPG, for the file extension; Joint Photographic Experts Group) PNG (Portable Network Graphics) BMP (B...
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Difference between Big-O and Little-O Notation

What is the difference between Big-O notation O(n) and Little-O notation o(n) ? 4 Answers ...
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Shards and replicas in Elasticsearch

I am trying to understand what shard and replica is in Elasticsearch, but I didn't manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?). ...
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]

...install Ruby on Mac OS X you might need MacPorts, so just go with MacPorts and you'll be happy. MacPorts is really stable, in 8 years I never had a problem with it, and my entire Unix ecosystem relay on it. If you are a PHP developer you can install the last version of Apache (Mac OS X uses 2.2), PH...
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How do I tell if a regular file does not exist in Bash?

... The test command ([ here) has a "not" logical operator which is the exclamation point (similar to many other languages). Try this: if [ ! -f /tmp/foo.txt ]; then echo "File not found!" fi ...
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Should I use @EJB or @Inject

I have found this question: What is the difference between @Inject and @EJB but I did not get any wiser. I have not done Java EE before nor do I have experience with dependency injection so I do not understand what I should use? ...
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right click context menu for datagridview

... a datagridview in a .NET winform app. I would like to rightclick on a row and have a menu pop up. Then i would like to select things such as copy, validate, etc ...