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How to return smart pointers (shared_ptr), by reference or by value?
...void
needless copies:
get_names(std::vector<std::string>& out_param );
...
std::vector<std::string> names;
get_names( names );
Unfortunately, this approach is far from ideal.
The code grew by 150%
We’ve had to drop const-ness because we’re mutating names.
As ...
How to display unique records from a has_many through relationship?
...uite useful. Here's the code
OrdersController#show
@order = Order.find(params[:id])
@order_items_by_photo = @order.order_items.group_by(&:photo)
@order_items_by_photo then looks something like this:
=> {#<Photo id: 128>=>[#<OrderItem id: 2, photo_id: 128>, #<OrderIt...
When do you use map vs flatMap in RxJava?
...vable and emits it.
Say for example we've a method titleCase(String inputParam) that returns Titled Cased String object of the input param. The return type of this method can be String or Observable<String>.
If the return type of titleCase(..) were to be mere String, then you'd use map(s -...
Automapper - how to map to constructor parameters instead of property setters
...s a treat for me; AutoMapper currently doesn't like constructors where all parameters are optional, so I just use .ConstructUsing(x => new MyClass());
– David Keaveny
Apr 11 '11 at 23:56
...
Could not locate Gemfile
I'm certainly no Ruby developer but I have an application on my server using Ruby, Gems, and Bundler. I am trying to install another Ruby on under a different user account but on the same VPS. When I go to run
...
Asynctask vs Thread in android
...Invoked on the UI thread before the task is executed
doInbackground(Params..)
Invoked on the background thread immediately after onPreExecute()
finishes executing.
onProgressUpdate(Progress..)
Invoked on the UI thread after a call to publishProgress(Progress...).
onPos...
IntelliJ: Never use wildcard imports
... Code Style > Imports', I can see that you can specify the 'class count' prior to IntelliJ using wildcard imports. However, if I never want to use wildcard imports can I turn this functionality off?
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Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed
...e delete button, it'd delete two characters. For me, the following suggestion worked: stackoverflow.com/questions/388237/… Basically, drag'n'drop from the UITextField into your code (to create a function), then right-click on your TextField, and drag'n'drop from the circle for the "Editing Cha...
Generate fixed length Strings filled with whitespaces
I need to produce fixed length string to generate a character position based file. The missing characters must be filled with space character.
...
What steps should I take to protect my Google Maps API Key?
...ould seem normal that it compared it, in some kind of way, with an information included in the key -- still, I did not try. ;;; @Brabster : :-)
– Pascal MARTIN
Sep 1 '09 at 22:50
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