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How to add a footer to a UITableView in Storyboard
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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?
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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...
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...
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?
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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')
=>...
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
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How do I reword the very first git commit message?
... of pointing to a specific commit)
This way, the first commit is also included and you can just reword it like any other commit.
The --root option was introduced in Git v1.7.12 (2012). Before then the only option was to use filter-branch or --amend, which is typically harder to do.
Note: see also...
How to align texts inside of an input?
For all default inputs, the text you fill starts on the left. How do you make it start on the right?
7 Answers
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