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How to quickly and conveniently create a one element arraylist [duplicate]
...in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new ArrayList<>(Arrays.asList(s));
Single Element List
Collections can return a list wit...
jQuery UI Sortable Position
...
$("#sortable").sortable({
stop: function(event, ui) {
alert("New position: " + ui.item.index());
}
});
You can see a working demo here, remember the .index() value is zero-based, so you may want to +1 for display purposes.
...
public friend swap member function
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f5695548%2fpublic-friend-swap-member-function%23new-answer', 'question_page');
}
);
...
“A project with an Output type of Class Library cannot be started directly”
...classes with implemented functionality.
You should add to your solution a new project with Output Type of either Console Application or Windows Application (VS Add Project wizard will offer you different templates of Projects).
In the newly added project, you can implement logic to test your Class...
Why does appending “” to a String save memory?
...
Doing the following:
data.substring(x, y) + ""
creates a new (smaller) String object, and throws away the reference to the String created by substring(), thus enabling garbage collection of this.
The important thing to realise is that substring() gives a window onto an existing S...
Google Sheets API Setup · App Inventor 2 中文网
...lready have a Project, you
will be on a Project’s Dashboard. To create a new Project, click on the drop
down menu at the top of the webpage.
At the top of the pop-up menu, select NEW PROJECT.
On the Creation page, give the project a name. For this tutorial, we will name
it “App Inventor.” ...
Bash/sh - difference between && and ;
...ersion is more portable, e.g. will be supported by a bash-subset like Android's shell or so?
7 Answers
...
How do I display an alert dialog on Android?
...a specific theme resource as the second parameter if you desire to do so.
new AlertDialog.Builder(context)
.setTitle("Delete entry")
.setMessage("Are you sure you want to delete this entry?")
// Specifying a listener allows you to take an action before dismissing the dialog.
// The...
Redirect From Action Filter Attribute
...
Set filterContext.Result
With the route name:
filterContext.Result = new RedirectToRouteResult("SystemLogin", routeValues);
You can also do something like:
filterContext.Result = new ViewResult
{
ViewName = SharedViews.SessionLost,
ViewData = filterContext.Controller.ViewData
};
...
How to use putExtra() and getExtra() for string data
...
Use this to "put" the file...
Intent i = new Intent(FirstScreen.this, SecondScreen.class);
String strName = null;
i.putExtra("STRING_I_NEED", strName);
Then, to retrieve the value try something like:
String newString;
if (savedInstanceState == null) {
Bund...