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What should be in my .gitignore for an Android Studio project?
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How to Remove Array Element and Then Re-Index Array?
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How to add a margin to a table row [duplicate]
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To be more precise, <tr> cannot have margin values since CSS 2.1 but it could until CSS 2. I have never found the reason behind the change.
– Futal
Jun 4 '14 at 16:10
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Create an index on a huge MySQL production table without table locking
...ETE statement on the table.
and:
In MySQL 5.6, this feature becomes more general: you can read and write to tables while an index is being created, and many more kinds of ALTER TABLE operations can be performed without copying the table, without blocking DML operations, or both. Thus in MySQL...
What is the difference between NaN and None?
...ary entry should be None but instead nan is assigned. Surely None is more descriptive of an empty cell as it has a null value, whereas nan just says that the value read is not a number.
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Apache shows PHP code instead of executing it
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Laravel stylesheets and javascript don't load for non-base routes
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...latest version of nokogiri, the awesome feature you used with 1.4.4 is not more available, etc..
To prevent this kind of problem Gemfile.lock is used. In Gemfile.lock only the exact versions are written and thus only these will be installed. That means if you distribute your app with a Gemfile.lock,...
How do I delete a local repository in git? [duplicate]
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