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Prevent segue in prepareForSegue method?
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It's possible in iOS 6 and later:
You have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's...
How to make completely transparent navigation bar in iOS 7
I want the UINavigationBar in my app to be completely transparent and flush with the viewcontroller directly under it. However, the only code I could find makes it translucent but not transparent. I know this can be done in iOS 7 because it is used in the notes app. My question is, what is the code ...
How do you sort a dictionary by value?
...consisting of keys & values, by value. For example, I have a hash of words and respective frequencies, that I want to order by frequency.
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Use of var keyword in C#
...eadable in some cases. If I have a Customer class with an Orders property, and I want to assign that to a variable, I will just do this:
var orders = cust.Orders;
I don't care if Customer.Orders is IEnumerable<Order>, ObservableCollection<Order> or BindingList<Order> - all I wan...
Style bottom Line in Android
I need to create an android shape so that only the bottom has stroke (a dashed line). When I try the following, the stroke bisects the shape right through the center. Does anyone know how to get it right? the stroke needs to be the bottom line/border. I am using the shape as a background to a TextVi...
Turn off textarea resizing
...ture won't be bothered to click a link for an answer. Add some detail here and I'll +1 your answer.
– Jon Egeland
Jul 9 '12 at 19:22
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How do I wrap link_to around some html ruby code?
... link_to method. The result I am looking for is that you click the column and get the show page:
5 Answers
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$watch'ing for data changes in an Angular directive
...ntroduced $watchCollection
Shallow watches the properties of an object and fires whenever any of the properties change (for arrays, this implies watching the array items; for object maps, this implies watching the properties)
scope.$watchCollection('val.children', function(newValue, oldValue) ...
rails simple_form - hidden field - create?
...html => { :value => "some value" }
– Linus Oleander
Mar 20 '11 at 21:14
5
This is the simp...
Add a prefix string to beginning of each line
...can use any other character not in prefix, or
escape the /, so the sed command becomes
's#^#/opt/workdir#'
# or
's/^/\/opt\/workdir/'
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