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Unable to resolve host “” No address associated with hostname
... give your app the permission to use the internet. Try adding this to your android manifest:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
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How does comparison operator works with null int?
I am starting to learn nullable types and ran into following behavior.
4 Answers
4
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Android Studio: how to remove/update the “Created by” comment added to all new classes?
By default Android Studio automatically adds a header comment to all new classes, e.g.
9 Answers
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Output window of IntelliJ IDEA cuts output [duplicate]
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@E-Riz IntelliJ IDEA 15.0.6 on Mac has all of those settings
– Ed Norris
Jun 10 '16 at 16:58
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How to detect a loop in a linked list?
...ou can make use of Floyd's cycle-finding algorithm, also known as tortoise and hare algorithm.
The idea is to have two references to the list and move them at different speeds. Move one forward by 1 node and the other by 2 nodes.
If the linked list has a loop they
will definitely meet.
Else eith...
How to sparsely checkout only one single file from a git repository?
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Originally, I mentioned in 2012 git archive (see Jared Forsyth's answer and Robert Knight's answer), since git1.7.9.5 (March 2012), Paul Brannan's answer:
git archive --format=tar --remote=origin HEAD:path/to/directory -- filename | tar -O -xf -
But: in 2013, that was no longer possible for re...
Multiprocessing: How to use Pool.map on a function defined in a class?
...s: I tried using parmap on some functions that passed around a defaultdict and got the PicklingError again. I did not figure out a solution to this, I just reworked my code to not use the defaultdict.
– sans
Jul 8 '11 at 23:41
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What is Clojure useful for? [closed]
... webservers
HTML Templating
Running parallel tasks (fetching multiple URLs and process in parallel)
Playing around with real time audio
Simulations
That's the practical / fun stuff.
But Clojure has plenty of theoretical depth as well. Ideas that will become increasingly more relevant as the mains...
How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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