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Overriding == operator. How to compare to null? [duplicate]
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I've always done it this way (for the == and != operators) and I reuse this code for every object I create:
public static bool operator ==(Person lhs, Person rhs)
{
// If left hand side is null...
if (System.Object.ReferenceEquals(lhs, null))
{
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What is the simplest SQL Query to find the second largest value?
... produce the correct second largest value while if you used the top 2 desc and min approach, you may get the largest value instead.
– Pankaj Sharma
Apr 1 '13 at 19:22
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Change Volley timeout duration
I use the new Volley framework for Android to do a request to my server. But it timeouts before getting the response, although it does respond.
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Selecting only first-level elements in jquery
...discovered my problem was with using jquery 1.2. I've replaced it with 1.3 and these kind of selectors are working fine now. Thanks very much for your reply and everyone who replied.
– aston
Jun 10 '09 at 20:33
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Declare variable in table valued function
...two flavors of table valued functions. One that is just a select statement and one that can have more rows than just a select statement.
This can not have a variable:
create function Func() returns table
as
return
select 10 as ColName
You have to do like this instead:
create function Func()
ret...
How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
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How do I turn a String into a InputStreamReader in java?
.... That wrong version number is especially weird as Java 1.4 introduced NIO and it makes little sense to introduce an API and its conceptional successor within the same version.
– Holger
Mar 31 '15 at 11:00
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Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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How do I check if a number is a palindrome?
...this on an interview because the point would be to determine if you understand modulo.
– Robert Noack
Oct 29 '13 at 4:39
7
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how to pass an integer as ConverterParameter?
...ton>
The trick is to include the namespace for the basic system types and then to write at least the ConverterParameter binding in element form.
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