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eval command in Bash and its typical uses
... The 2nd eval is pointless too, because, although there is a parsing step converting $a to its literal string equivalent, there is no indirection (e.g. no referencing via string value of an actual bash noun or bash-held script variable), so it would behave identically as a line of code without the ...
Best practice for instantiating a new Android Fragment
...ndle to the setArguments method.
So, for example, if we wanted to pass an integer to the fragment we would use something like:
public static MyFragment newInstance(int someInt) {
MyFragment myFragment = new MyFragment();
Bundle args = new Bundle();
args.putInt("someInt", someInt);
...
How many characters can a Java String have?
...em from Sphere Online Judge (SPOJ) where I need to find a palindrome for a integer of up to a million digits. I thought about using Java's functions for reversing Strings, but would they allow for a String to be this long?
...
What is the best workaround for the WCF client `using` block issue?
...void, the easiest way to handle return values is via a captured variable:
int newOrderId = 0; // need a value for definite assignment
Service<IOrderService>.Use(orderService=>
{
newOrderId = orderService.PlaceOrder(request);
});
Console.WriteLine(newOrderId); // should be updated
...
Start an Activity with a parameter
...
Put an int which is your id into the new Intent.
Intent intent = new Intent(FirstActivity.this, SecondActivity.class);
Bundle b = new Bundle();
b.putInt("key", 1); //Your id
intent.putExtras(b); //Put your id to your next Intent
st...
PostgreSQL: Difference between text and varchar (character varying)
...ternate ways on constraining the length when needed. Function based constraints or domains provide the advantage of instant increase of the length constraint, and on the basis that decreasing a string length constraint is rare, depesz concludes that one of them is usually the best choice for a lengt...
How can I catch a 404?
...ts without making my own lookup list? I would like to have something like: int httpresponsecode = HttpStatusCode.ToInt() or similar so I get 404
– BerggreenDK
Apr 12 '11 at 14:42
2...
New to unit testing, how to write great tests? [closed]
...should not look inside the method to see what it is doing, so changing the internals should not cause the test to fail. You should not directly test that private methods are being called. If you are interested in finding out whether your private code is being tested then use a code coverage tool. Bu...
Select statement to find duplicates on certain fields
...s with null values in the columns examined.
create table Table1 (
Field1 int,
Field2 int,
Field3 int,
Field4 int
)
insert Table1
values (1,1,1,1)
, (1,1,1,2)
, (1,1,1,3)
, (2,2,2,1)
, (3,3,3,1)
, (3,3,3,2)
, (null, null, 2, 1)
, (nu...
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
...e using GMail.
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class Main {
private static String USER_NAME = "*****"; // GMail user name (just the part before "@gmail.com")
private static String PASSWORD = "********"; // GMail password
private static St...