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Why does InetAddress.isReachable return false, when I can ping the IP address?
Why does isReachable return false ? I can ping the IP.
10 Answers
10
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Understanding Python super() with __init__() methods [duplicate]
...ple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is quite a bit nicer. The standard docs also refer to ...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...of TryGetValue, ContainsKey, and this[] call the same FindEntry method and do the same amount of work, only differing in how they answer the question: trygetvalue returns bool and the value, contains key only returns true/false, and this[] returns the value or throws an exception.
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How do I get the resource id of an image if I know its name?
How do I get the resource id of an image if I know its name (in Android)?
5 Answers
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Does setting Java objects to null do anything anymore?
...B->C to null, for example.
Apart from that, most of the time the issue doesn't really arise, because in reality you're dealing with objects in collections. You should generally always be thinking of removing objects from lists, maps etc by calling the appropiate remove() method.
The case where ...
Can you help me understand Moq Callback?
....com/Moq/moq4/wiki/Quickstart
If that's not clear enough, I'd call that a doc bug...
EDIT: In response to your clarification...
For each mocked method Setup you perform, you get to indicate things like:
constraints on inputs
the value for / way in which the return value (if there is one) is to ...
How do I get the “id” after INSERT into MySQL database with Python?
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@xiaohan2012 How do 2 processes use the same connection?
– hienbt88
Aug 13 '14 at 3:47
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How do you rotate a two dimensional array?
... a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff.
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Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
... cant we just install MSBuild tools instead of this? microsoft.com/en-us/download/confirmation.aspx?id=40760
– user20358
Dec 8 '14 at 17:05
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Replace string within file contents
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@katrielalex: There are no downvotes, I simply did not upvote. But giving out answers to homework is not the right way to do this
– BlueRaja - Danny Pflughoeft
Nov 8 '10 at 22:14
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