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What is the difference between square brackets and parentheses in a regex?

.../^[789]\d{9}$/ /^[7-9]\d{9}$/ The explanation: (a|b|c) is a regex "OR" and means "a or b or c", although the presence of brackets, necessary for the OR, also captures the digit. To be strictly equivalent, you would code (?:7|8|9) to make it a non capturing group. [abc] is a "character class" th...
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Python nonlocal statement

What does the Python nonlocal statement do (in Python 3.0 and later)? 9 Answers 9 ...
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Matching a space in regex

... space). If you're looking for one or more, it's " *" (that's two spaces and an asterisk) or " +" (one space and a plus). If you're looking for common spacing, use "[ X]" or "[ X][ X]*" or "[ X]+" where X is the physical tab character (and each is preceded by a single space in all those examples)...
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Are PostgreSQL column names case-sensitive?

I have a db table say, persons in Postgres handed down by another team that has a column name say, "first_Name" . Now am trying to use PG commander to query this table on this column-name. ...
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Location of parenthesis for auto-executing anonymous JavaScript functions?

...ing the current version of json2.js with the version I had in my project and noticed a difference in how the function expression was created and self executed. ...
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How to access parameters in a RESTful POST method

...a JSON object instead of a string. Jersey uses JAXB to support marshaling and unmarshaling JSON objects (see the jersey docs for details). Create a class like: @XmlRootElement public class MyJaxBean { @XmlElement public String param1; @XmlElement public String param2; } Then your @POST ...
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Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]

I am creating an App with AngularJS and Bootstrap 3. I want to show a table/grid with thousands of rows. What is the best available control for AngularJS & Bootstrap with features like Sorting, Searching, Pagination etc. ...
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How to get number of rows using SqlDataReader in C#

...defined except for one that states to do a while loop with Read() method and increment a counter. 6 Answers ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

I cannot find find FragmentPagerAdapter within Android.App. 5 Answers 5 ...
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Animate scroll to ID on page load

...e the scroll to a particular ID on page load. I have done lots of research and came across this: 6 Answers ...