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MySql: Tinyint (2) vs tinyint(1) - what is the difference?

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What's a redirect URI? how does it apply to iOS app for OAuth2.0?

Beginner programmer here, please pardon ignorance & explanations will be really nice :) 4 Answers ...
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How to do a less than or equal to filter in Django queryset?

I am attempting to filter users by a custom field in each users profile called profile. This field is called level and is an integer between 0-3. ...
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Unittest setUp/tearDown for several tests

Is there a function that is fired at the beginning/end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test. ...
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Get all git commits since last tag

When I'm going to tag a commit, I need to know what changed since the last tagged commit. Eg: 2 Answers ...
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Subscripts in plots in R

I can't find a way how to write subscripts in the title or the subtitle in R. How can I write v 1,2 with 1,2 as subscripts? ...
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dplyr: “Error in n(): function should not be called directly”

I am attempting to reproduce one of the examples in the dplyr package but am getting this error message. I am expecting to see a new column n produced with the frequency of each combination. What am I missing? I triple checked that the package is loaded. ...
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How to get min/max of two integers in Postgres/SQL?

...(or minimum) of two integers in Postgres/SQL? One of the integers is not a column value. 2 Answers ...
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Does Qt support virtual pure slots?

My GUI project in Qt has a lot of "configuration pages" classes which all inherit directly from QWidget . 2 Answers ...
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Where do gems install?

I'm trying to edit one of the gem's config files and I can't find it. I'm not sure how I did this in the past. 4 Answers ...