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Difference between Mutable objects and Immutable objects [duplicate]
Any one please give the diff between Mutable objects and Immutable objects with example.
5 Answers
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Convert timestamp to readable date/time PHP
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Use PHP's date() function.
Example:
echo date('m/d/Y', 1299446702);
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Exclude .svn directories from grep [duplicate]
When I grep my Subversion working copy directory, the results include a lot of files from the .svn directories. Is it possible to recursively grep a directory, but exclude all results from .svn directories?
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How to prevent a dialog from closing when a button is clicked
I have a dialog with EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I clic...
Nested defaultdict of defaultdict
...ke a defaultdict also be the default for the defaultdict? (i.e. infinite-level recursive defaultdict?)
7 Answers
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Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
I am working with a fresh postgresql install, with 'postgres' super user. Logged in via:
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How can I preview a merge in git?
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I've found that the solution the works best for me is to just perform the merge and abort it if there are conflicts. This particular syntax feels clean and simple to me. This is Strategy 2 below.
However, if you want to ensure you d...
Setting environment variables on OS X
What is the proper way to modify environment variables like PATH in OS X?
31 Answers
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Position of least significant bit that is set
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