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RabbitMQ / AMQP: single queue, multiple consumers for same message?
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Can I have each consumer receive the same messages? Ie, both consumers get message 1, 2, 3, 4, 5, 6? What is this called in AMQP/RabbitMQ speak? How is it normally configured?
No, not if the consumers are on the same queue. From RabbitMQ's AMQP ...
How to get the current directory in a C program?
... , but telldir() returns a off_t (long int) , so it really doesn't help me.
6 Answers
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Providing a default value for an Optional in Swift?
... case .None:
return defaultValue
case .Some(let value):
return value
}
}
}
Then you can just do:
optionalValue.or(defaultValue)
However, I recommend sticking to the ternary operator as other developers will understand that much more ...
Detect whether there is an Internet connection available on Android [duplicate]
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The getActiveNetworkInfo() method of ConnectivityManager returns a NetworkInfo instance representing the first connected network interface it can find or null if none of the interfaces are connected. Checking if this method returns null should be enoug...
When to use IComparable Vs. IComparer
I'm trying to figure out which of these interfaces I need to implement. They both essentially do the same thing. When would I use one over the other?
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How can I read SMS messages from the device programmatically in Android?
I want to retrieve the SMS messages from the device and display them?
11 Answers
11
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Is asynchronous jdbc call possible?
...rap JDBC calls in Actors, executors or anything else can help here - can someone clarify.
Surely the basic problem is that the JDBC operations block on socket IO. When it does this it blocks the Thread its running on - end of story. Whatever wrapping framework you choose to use its going to end up ...
Decorators with parameters?
...ance_mode' by the decorator. I would do it by the following decorator statement:
13 Answers
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SQL- Ignore case while searching for a string
... table. While searching for a string it should ignore case. For the below mentioned SQL query
4 Answers
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How do I convert an array object to a string in PowerShell?
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For the un-initiated (like me) $ofs is documented here
– Liam
Oct 4 '16 at 16:27
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