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Well, the most common application of telnet/SSH is remote management. For example, if you're on the road and you need to say, read log files, or install new software, you would telnet in. There...

I'm writing a server in Java and I'm wondering whether I can duplicate this effect.

Some of the servers I work with lets me autocomplete particular commands.

For example, when I type:


ch[space]

it autocompletes it for me as:

Here is a definition of HashSet vs HashMap:

A HashMap provides fast access to a mapping from a unique key to a value. Keys are unordered, which makes it faster than the TreeMap, where the keys...

I'm going to have to read up on the difference between a HashSet and a HashMap ... thanks!

I guess in essence, I'm trying to log a transaction system. They don't have to be 100% real time accurate (ie. if two people request for a resource at the same time, it's not important down to the...

Hi everyone,

Back in the "old" days, people always told me, manipulate files as little as possible! It is expensive and will slow down the application! Is this still true?

One of the things...

Hi everyone,

I have a bit of a problem that I've been trying to figure out for a while now, so any new input would be helpful and greatly appreciated.

One of the things I'm working on is to...