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Comparing Java enum members: == or equals()?
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I do this when .equals()ing string values, but I still think that it's a crappy way to write null-safe code. I'd much rather have an operator (or a method, but I know that [null object].equals won't ever be null-safe in Java because of how the dot opera...
Max length for client ip address [duplicate]
...er for details about IPv4-mapped IPv6 addresses. (The correct maximum IPv6 string length is 45 characters.)
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How do I setup a SSL certificate for an express.js server?
...ect.createServer() and therefore so is express() (which probably does some extra initialization, but the result is still a function appropriate for use as a request handler).
– ebohlman
Aug 6 '12 at 1:08
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Why is an int in OCaml only 31 bits?
... like true, false, nil, the 127 ASCII characters, some commonly used short strings, the empty list, the empty object, the empty array and so on near the 0 address.
For example, in the MRI, YARV and Rubinius Ruby interpreters, integers are encoded the way I described above, false is encoded as addre...
How do I delete from multiple tables using INNER JOIN in SQL server
... from next table instead of using inner join and going through all of this extra text?? Basically, skipping the inner join I just need 2 simple queries.... Or is this method any more efficient?
– Colandus
Mar 10 '13 at 13:16
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Find index of last occurrence of a sub-string using T-SQL
...ere a straightforward way of finding the index of the last occurrence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index - bu...
Calling the base constructor in C#
...:
public class MyExceptionClass : Exception
{
public MyExceptionClass(string message, string extrainfo) : base(message)
{
//other stuff here
}
}
Note that a constructor is not something that you can call anytime within a method. That's the reason you're getting errors in your ...
How much is the overhead of smart pointers compared to normal pointers in C++?
... the iteration is done you'll know you have to erase it. So you could gain extra memory from not using a smart_ptr...
But do you really want to do that?
A single memory leak could make your product have a point of failure in time (let's say your program leaks 4 megabytes each hour, it would take mon...
Command not found error in Bash variable assignment
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STR = "foo"
bash tries to run a command named STR with 2 arguments (the strings '=' and 'foo')
When you write:
STR =foo
bash tries to run a command named STR with 1 argument (the string '=foo')
When you write:
STR= foo
bash tries to run the command foo with STR set to the empty string in ...
How can I explode and trim whitespace?
For example, I would like to create an array from the elements in this string:
11 Answers
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