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how do i remove a comma off the end of a string?

I want to remove the comma off the end of a string. As it is now i am using 10 Answers ...
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How to delete migration files in Rails 3

... I usually: Perform a rake db:migrate VERSION=XXX on all environments, to the version before the one I want to delete. Delete the migration file manually. If there are pending migrations (i.e., the migration I removed was not the...
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How to export table as CSV with headings on Postgresql?

...'m trying to export a PostgreSQL table with headings to a CSV file via command line, however I get it to export to CSV file, but without headings. ...
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How to find a text inside SQL Server procedures / triggers?

I have a linkedserver that will change. Some procedures call the linked server like this: [10.10.100.50].dbo.SPROCEDURE_EXAMPLE . We have triggers also doing this kind of work. We need to find all places that uses [10.10.100.50] to change it. ...
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Add column with constant value to pandas dataframe [duplicate]

...ods to gain some intuition for alignment works with objects that have partially, totally, and not-aligned-all aligned indices. For example here's how DataFrame.align() works with partially aligned indices: In [7]: from pandas import DataFrame In [8]: from numpy.random import randint In [9]: df = ...
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Delete first character of a string in Javascript

I want to delete the first character of a string, if the first character is a 0. The 0 can be there more than once. 14 Ans...
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Regular expression for floating point numbers

...al numbers, such as hex and octal, see my answer to How do I identify if a string is a number?. If you want to validate that an input is a number (rather than finding a number within the input), then you should surround the pattern with ^ and $, like so: ^[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)$ Irr...
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How to capitalize the first letter of a String in Java?

I am using Java to get a String input from the user. I am trying to make the first letter of this input capitalized. 55 ...
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What is a raw type and why shouldn't we use it?

...ass Inner { } static class Nested { } public static void main(String[] args) { MyType mt; // warning: MyType is a raw type MyType.Inner inn; // warning: MyType.Inner is a raw type MyType.Nested nest; // no warning: not parameterized type MyTyp...
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What is the difference between SessionState and ViewState?

... saved on the server, ViewState is saved in the page. Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies). The view state is posted on subsequent post back in a hidden field. ...