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Regular expression for floating point numbers

I have a task to match floating point numbers. I have written the following regular expression for it: 12 Answers ...
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What is the difference between Polymer elements and AngularJS directives?

...n an import. Nothing "links" <x-foo> to x-foo.html. In your example, it's assumed the Custom Element definition of <x-foo> (e.g. <element name="x-foo">) is defined in x-foo.html. When the browser sees that definition, it's registered as a new element. On to questions! What is th...
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What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]

... I used a graph database in a previous job. We weren't using neo4j, it was an in-house thing built on top of Berkeley DB, but it was similar. It was used in production (it still is). The reason we used a graph database was that the data being stored by the system and the operations the syste...
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SQL JOIN - WHERE clause vs. ON clause

After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins . The answer may be related (or even the same) but the question is different. ...
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Can two applications listen to the same port?

...lications on the same machine bind to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP? I know I can have one application that starts off two threads (or forks) to have similar behavior, but can two ap...
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Create a pointer to two-dimensional array

...o the first element of the array uint8_t (*matrix_ptr)[20] = l_matrix; With typedef, this looks cleaner typedef uint8_t array_of_20_uint8_t[20]; array_of_20_uint8_t *matrix_ptr = l_matrix; Then you can enjoy life again :) matrix_ptr[0][1] = ...; Beware of the pointer/array world in C, much ...
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Understanding the Event Loop

I am thinking about it and this is what I came up with: 3 Answers 3 ...
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window.onload vs

...d the onload event of the body tag? when do I use which and how should it be done correctly? 13 Answers ...
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Can I position an element fixed relative to parent? [duplicate]

I find that when I position an element fixed, it doesn't matter if the parent is positioned relative or not, it will position fixed, relative to the window? ...
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How to run a shell script in OS X by double-clicking?

...ipt that has user execution permission on OS X, but when I double click on it, it opens in a text editor. How can I get it to run by double-clicking it? ...