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How to add a footer to a UITableView in Storyboard

... You can just drag a view to the bottom area of the tableView. You'll see in the hierarchy that it will be a subview of the tableview. You can then drag subviews such as labels and buttons there, adjust the height, etc. ...
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What is the difference between pluck and collect in Rails?

... pluck is on the db level. It will only query the particular field. See this. When you do: User.first.gifts.collect(&:id) You have objects with all fields loaded and you simply get the id thanks to the method based on E...
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COUNT DISTINCT with CONDITIONS

I want to count the number of distinct items in a column subject to a certain condition, for example if the table is like this: ...
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What exactly does the Access-Control-Allow-Credentials header do?

I'm trying to understand how to use CORS and am confused about what the Access-Control-Allow-Credentials header does. 1 A...
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When applying a patch is there any way to resolve conflicts?

... To generate your patch do the following: git format-patch --stdout first_commit^..last_commit > changes.patch Now when you are ready to apply the patches: git am -3 < changes.patch the -3 will do a three-way merge if there are ...
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Mysql adding user for remote access

I created user user@'%' with password 'password . But I can not connect with: 3 Answers ...
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Differences between git pull origin master & git pull origin/master

What is the difference between git pull origin master and git pull origin/master ? 3 Answers ...
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What is the easiest way to push an element to the beginning of the array?

... What about using the unshift method? ary.unshift(obj, ...) → ary Prepends objects to the front of self, moving other elements upwards. And in use: irb>> a = [ 0, 1, 2] => [0, 1, 2] irb>> a.unshift('x') =>...
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Using :after to clear floating elements

...have a list and the li's have a float:left; . The contents after the <ul> should be aligned correctly. Therefore i can build the following: ...
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Disable file preview in VS2012

In VS2012 when you select a file in solution explorer it automatically opens file in a special "preview" tab. 5 Answers ...