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Using NSPredicate to filter an NSArray based on NSDictionary keys

I have an array of dictionaries. 6 Answers 6 ...
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How to show SQL queries run in the Rails console?

When I run queries (e.g. MyModel.where(...) or record.associated_things ) in the console, how can I see the actual database queries being run so I can gain more understanding of what is happening? ...
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Javascript split regex question

hello I am trying what I thought would be a rather easy regex in Javascript but is giving me lots of trouble. I want the ability to split a date via javascript splitting either by a '-','.','/' and ' '. ...
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Split an NSString to access one particular piece

I have a string like this: @"10/04/2011" and I want to save only the "10" in another string. How can I do that? 7 Answers...
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Android: how to draw a border to a LinearLayout

I have three files. The XML, the draw function and the main Activity. I have some LinearLayout in my XML file. 2 Answers ...
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ggplot2 keep unused levels barplot

I want to plot unused levels (that is, levels where the count is 0) in my bar-plot, however, unused levels are dropped and I cannot figure out how to keep them ...
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sqlite alter table add MULTIPLE columns in a single statement

Is it possible to alter table add MULTIPLE columns in a single statement in sqlite? The following would not work. 4 Answers...
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How do I change the color of radio buttons?

I mean, a radio button itself consists of a round shape and a dot at the center (when the button is selected). What I want to change is the color of both. Can this be done using CSS? ...
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How to pass an ArrayList to a varargs method parameter?

Basically I have an ArrayList of locations: 5 Answers 5 ...
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How can I generate a diff for a single file between two branches in github

I need to generate a diff for a single file that will show the differences between two versions, which are actually tags in github. I then want to send this diff to someone via email so a github URL for the diff would be ideal. The github compare view will allow me to do this for all changed files, ...