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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
I understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? ...
What is the concept of erasure in generics in Java?
...ava.lang.Object wherever you talk about T (or some other type parameter) - and there's some metadata to tell the compiler that it really is a generic type.
When you compile some code against a generic type or method, the compiler works out what you really mean (i.e. what the type argument for T is)...
Create two blank lines in Markdown
... I needed to add a space between two tables in a markdown file in TFS/VSTS and this did the trick. Thanks!
– AspiringDevOpsGuru
Jul 24 '17 at 14:30
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How to check Oracle database for long running queries
...
from v$sqltext_with_newlines t,V$SESSION s
where t.address =s.sql_address
and t.hash_value = s.sql_hash_value
and s.status = 'ACTIVE'
and s.username <> 'SYSTEM'
order by s.sid,t.piece
/
This shows locks. Sometimes things are going slow, but it's because it is blocked waiting for a lock:
s...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
Is there any way to disable the "Press ENTER or type command to continue" prompt that appears after executing an external command?
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How do I fix "The expression of type List needs unchecked conversion…'?
... Thanks -- that's an interesting insight about the "warranty" and the invisible cast done by the compiler versus a cast done explicitly in my own code.
– user46277
Dec 16 '08 at 5:30
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Best way to implement Enums with Core Data
... kPaymentFrequencyWeekly = 3
} PaymentFrequency;
Then, declare getters and setters for your property. It's a bad idea to override the existing ones, since the standard accessors expect an NSNumber object rather than a scalar type, and you'll run into trouble if anything in the bindings or KVO sy...
What is the meaning of single and double underscore before an object name?
...t meaning of having leading underscores before an object's name in Python, and the difference between both?
15 Answers
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How can I have ruby logger log output to stdout as well as file?
...ime Logger calls puts on your MultiIO object, it will write to both STDOUT and your log file.
Edit: I went ahead and figured out the rest of the interface. A log device must respond to write and close (not puts). As long as MultiIO responds to those and proxies them to the real IO objects, this s...
How to parse a string into a nullable int
...eturn null;
}
Edit @Glenn int.TryParse is "built into the framework". It and int.Parse are the way to parse strings to ints.
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