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How to dynamically update a ListView on Android [closed]
...R.layout.filterable_listview);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1,
getStringArrayList());
}
Running the app now should show your previous ListView, with a nice box above. In order to ma...
Why seal a class?
...
Performance is an important factor for example, the string class in java is final(<- sealed) and reason for this is performance only.
I think another important point is to avoid the brittle base class problem described in detail here:
http://blogs.msdn.com/ericlippert/archi...
How to call a JavaScript function from PHP?
...eb server in general), an HTML page is nothing more complicated than a big string.
All the fancy work you can do with language like PHP - reading from databases and web services and all that - the ultimate end goal is the exact same basic principle: generate a string of HTML*.
Your big HTML string...
What is the equivalent of the C# 'var' keyword in Java?
.... variables are still 100% statically typed. This will not compile:
var myString = "foo";
myString = 3;
var is also useful when the type is obvious from context. For example:
var currentUser = User.GetCurrent();
I can say that in any code that I am responsible for, currentUser has a User or der...
in a “using” block is a SqlConnection closed on return or exception?
...t it later:
using (SqlConnection connection = new SqlConnection(connectionString))
{
int employeeID = findEmployeeID();
try
{
connection.Open();
SqlCommand command = new SqlCommand("UpdateEmployeeTable", connection);
command.CommandType = CommandType...
Node.js vs .Net performance
...gt;
/// main entry point
/// </summary>
static void Main(string[] args)
{
Program p = new Program();
p.Run(args);
}
/// <summary>
/// actual execution
/// </summary>
private void Run(string[] args)
{
// check command ...
Using SQL Server 2008 and SQL Server 2005 and date time
...space SetEdmxSqlVersion
{
class Program
{
static void Main(string[] args)
{
if (2 != args.Length)
{
Console.WriteLine("usage: SetEdmxSqlVersion <edmxFile> <sqlVer>");
return;
}
string ...
Is it possible to use global variables in Rust?
...:
static SOME_INT: i32 = 5;
static SOME_STR: &'static str = "A static string";
static SOME_STRUCT: MyStruct = MyStruct {
number: 10,
string: "Some string",
};
static mut db: Option<sqlite::Connection> = None;
fn main() {
println!("{}", SOME_INT);
println!("{}", SOME_STR);...
Using try vs if in python
...bility.
In your example (say that instead of returning a list or an empty string, the function were to return a list or None), if you expect that 99 % of the time result will actually contain something iterable, I'd use the try/except approach. It will be faster if exceptions really are exceptional...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
... consistently by all browsers. It should be a function reference and not a string (as the original answer stated) but that will work in older browsers because the check for most of them appears to be whether anything is assigned to onbeforeunload (including a function that returns null).
You set wi...