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Create array of regex matches
In Java, I am trying to return all regex matches to an array but it seems that you can only check whether the pattern matches something or not (boolean).
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PostgreSQL ERROR: canceling statement due to conflict with recovery
...ows. Then secondary has to replay this cleanup, and has to forcibly cancel all queries which can use these rows.
Longer queries will be canceled more often.
You can work around this by starting a repeatable read transaction on primary which does a dummy query and then sits idle while a real query ...
Some built-in to pad a list in python
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a += [''] * (N - len(a))
or if you don't want to change a in place
new_a = a + [''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
return self + [fillvalue] * (n - len(self))
a...
Entity Framework - Start Over - Undo/Rollback All Migrations
...oint where I just want to start over, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one?
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Remove all special characters, punctuation and spaces from string
I need to remove all special characters, punctuation and spaces from a string so that I only have letters and numbers.
16 A...
How do you use the “WITH” clause in MySQL?
I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example:
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Post parameter is always null
Since upgrading to RC for WebAPI I'm having some real odd issue when calling POST on my WebAPI.
I've even gone back to the basic version generated on new project. So:
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Using sed and grep/egrep to search and replace
...ke:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
6 Answers
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How do I check if a string contains a specific word?
... return true because the string contains 'are'. If you are looking specifically for the word ARE then you would need to do more checks like, for example, check if there is a character or a space before the A and after the E.
– jsherk
Nov 14 '12 at 21:35
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How do I compare two strings in Perl?
...rldoc perlop for more information.
( I'm simplifying this a little bit as all but cmp return a value that is both an empty string, and a numerically zero value instead of 0, and a value that is both the string '1' and the numeric value 1. These are the same values you will always get from boolean o...