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Listen for key press in .NET console app
... stop your app, but do your work in a background thread:
static void Main(string[] args)
{
var myWorker = new MyWorker();
myWorker.DoStuff();
Console.WriteLine("Press any key to stop...");
Console.ReadKey();
}
In the myWorker.DoStuff() function you would then invoke another functi...
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 configure slf4j-simple
...ting the system property:
public class App {
public static void main(String[] args) {
System.setProperty(org.slf4j.impl.SimpleLogger.DEFAULT_LOG_LEVEL_KEY, "TRACE");
final org.slf4j.Logger log = LoggerFactory.getLogger(App.class);
log.trace("trace");
log.debu...
Can I have an onclick effect in CSS?
...he style when the mouse button is held down. The only way to apply a style and keep it applied onclick is to use a bit of JavaScript.
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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...
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...
How can one see the structure of a table in SQLite? [duplicate]
...
Invoke the sqlite3 utility on the database file, and use its special dot commands:
.tables will list tables
.schema [tablename] will show the CREATE statement(s) for a table or tables
There are many other useful builtin dot commands -- see the documentation at http://ww...
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 Pivot data using LINQ?
...r column ordering
var r = s.Pivot3(e => e.custID, e => e.OrderDate.ToString("MMM-yyyy")
, lst => lst.Sum(e => e.Qty));
// order r(esult) by CustID
(+) generic implementation
(-) definitely slower than Amy B's
Can anyone improve my implementation (i.e. the method does the orderin...