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How do I display an alert dialog on Android?
..._demo);
dialog.setTitle(R.string.dialog_title);
dialog.show();
}
Now create Layout XML dialog_demo.xml and create your UI/design. Here is a sample one I created for demo purposes:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com...
Why do we copy then move?
...+03 styles. I'll dub this 2-overload version the "most optimal" version.
Now, we'll examine the take-by-copy version:
struct S2 {
std::string data;
S2( std::string arg ):data(std::move(x)) {}
};
in each of those scenarios:
S2 tmp( "foo" ); // a temporary `std::string` is created, moved int...
How to map and remove nil values in Ruby
...
Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...
Return multiple values to a method caller
...
Now that C# 7 has been released, you can use the new included Tuples syntax
(string, string, string) LookupName(long id) // tuple return type
{
... // retrieve first, middle and last from data storage
return (first, ...
How to automatically crop and center an image
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I've been told that nowdays Google knows about transparent and hidden images, so img's alt ant title attributes will be lost for your SEO.
– Victor Sergienko
Apr 10 '14 at 16:43
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Easy way of running the same junit test over and over?
...
This now seems like the better answer so I accepted this one instead
– Stefan Thyberg
Sep 9 at 8:16
add a...
How to install CocoaPods?
...There are X dependencies from the Podfile
and X total pods installed."
Now close your Xcode project. Then locate and open the .xcworkspace Xcode project file and start coding. (You should no longer open the xcodeproj file)
...
Xml configuration versus Annotation based configuration [closed]
...fect sense, since this is information a programmer would probably wish to know. But that an interface is going to be injected as a SubtypeY instead of a SubtypeX should not be included in the class, because if now you wish to inject SubtypeX, you have to change your code, whereas you had an interfa...
Using Chrome, how to find to which events are bound to an element
..., right click over function and select 'Show function definition'
You will now see the Event binding code
Click on the 'Pretty print' button for a more readable view of the code
share
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improve thi...
django change default runserver port
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I actually started using supervisor for this now, that makes it even easier to manage. :-) But yours is probably the cleanest solution other than writing a dedicated runserver script.
– jonny
May 29 '14 at 16:14
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