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How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
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How to cast an object in Objective-C
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Remember, Objective-C is a superset of C, so typecasting works as it does in C:
myEditController = [[SelectionListViewController alloc] init];
((SelectionListViewController *)myEditController).list = listOfItems;
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Making Maven run all tests, even when some fail
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additionally you could add -e for the cmd to provide some error information.
– despot
Sep 27 '12 at 8:03
12
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How to catch integer(0)?
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That is R's way of printing a zero length vector (an integer one), so you could test for a being of length 0:
R> length(a)
[1] 0
It might be worth rethinking the strategy you are using to identify which elements you want, but without further specific details it is ...
Using isKindOfClass with Swift
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The proper Swift operator is is:
if touch.view is UIPickerView {
// touch.view is of type UIPickerView
}
Of course, if you also need to assign the view to a new constant, then the if let ... as? ... syntax is your boy, as Kevin mentioned. B...
Xcode doesn't show the line that causes a crash
...function as the line that caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the console:
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How to read integer value from the standard input in Java
What class can I use for reading an integer variable in Java?
7 Answers
7
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CSS3 transition events
...y events fired by an element to check wether a css3 transition has started or end?
6 Answers
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RabbitMQ / AMQP: single queue, multiple consumers for same message?
...e 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 Concepts guide:
it is important to understand that, in AMQP 0-9-1, messages are load balanced between consumers.
This seems to im...
Checking if output of a command contains a certain string in a shell script
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This code doesn't work with all POSIX shells: The POSIX standard only requires = to be a comparison operator, not ==; see pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html
– Charles Duffy
Mar 30...