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Shell script - remove first and last quote (") from a variable
...pet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
...
Getting hold of the outer class object from the inner class object
... class Outer {
public class Inner {
}
public static void main(String[] args) throws Exception {
// Create the inner instance
Inner inner = new Outer().new Inner();
// Get the implicit reference from the inner to the outer instance
// ... make it accessi...
Inno Setup for Windows service?
...ection;
using System.ServiceProcess;
using System.Text;
static void Main(string[] args)
{
if (System.Environment.UserInteractive)
{
string parameter = string.Concat(args);
switch (parameter)
{
case "--install":
ManagedInstallerClass.Insta...
What is memory fragmentation?
...uld be nice if true, but implementations of standard C++ templates such as string & vector can have some highly undesirable behaviours when they resize. For example in older versions of visual studio the std::string basically resizes by realloc 1.5 * current_size (to the nearest 8 bytes). So if ...
Prevent multiple instances of a given app in .NET?
...eturn;
}
Application.Run(new Form1());
}
}
private static string appGuid = "c0a76b5a-12ab-45c5-b9d9-d693faa6e7b9";
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Java dynamic array sizes?
...
import java.util.Random;
public class A {
public static void main( String [] args ) {
// dynamically hold the instances
List<xClass> list = new ArrayList<xClass>();
// fill it with a random number between 0 and 100
int elements = new Random().next...
How to create a DataTable in C# and how to add rows?
...yTable.Columns.Add("Id", typeof(int));
MyTable.Columns.Add("Name", typeof(string));
Add row to DataTable method 1:
DataRow row = MyTable.NewRow();
row["Id"] = 1;
row["Name"] = "John";
MyTable.Rows.Add(row);
Add row to DataTable method 2:
MyTable.Rows.Add(2, "Ivan");
Add row to DataTable met...
How do I use the CONCAT function in SQL Server 2008 R2?
...eference (Database Engine)
Built-in Functions (Transact-SQL)
String Functions (Transact-SQL)
EDIT Martin Smith helpfully points out that SQL Server provides an implementation of ODBC's CONCAT function.
shar...
Compare two dates with JavaScript
...
Why not simply use the toString() method on both dates and then compare with the == operator? Seems much easier than resetting the time and comparing afterwards, are there any drawbacks for this?
– user2019515
M...
How to get a reversed list view on a list in Java?
...
Guava provides this: Lists.reverse(List)
List<String> letters = ImmutableList.of("a", "b", "c");
List<String> reverseView = Lists.reverse(letters);
System.out.println(reverseView); // [c, b, a]
Unlike Collections.reverse, this is purely a view... it doesn't a...