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Uncatchable ChuckNorrisException
...le the byte code verifier! (-Xverify:none)
UPDATE 3:
For those following from home, here is the full script:
Create the following classes:
public class ChuckNorrisException
extends RuntimeException // <- Comment out this line on second compilation
{
public ChuckNorrisException() { }
}...
Elegant way to invert a map in Scala
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Mathematically, the mapping might not be invertible (injective), e.g., from Map[A,B], you can't get Map[B,A], but rather you get Map[B,Set[A]], because there might be different keys associated with same values. So, if you are interested in knowing all the keys, here's the code:
scala> val m...
Android -Starting Service at Boot Time
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Does this work if app is force closed from settings? Will the app still wakeup?
– Srihari Karanth
May 17 '17 at 8:21
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How to redirect output of an entire shell script within the script itself?
...utput everything in the code block can then be redirected (See Example 3-2 from that link). Also note that curly braces do not launch a subshell, but similar I/O redirects can be done with subshells using parentheses.
– chris
May 16 '16 at 21:54
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Any reason to write the “private” keyword in C#?
...ng the question. But, some people write VB, some C++, some even F# (coming from other functional languages such as Haskell perhaps?), better than they do on C#. So, for them (and for us if we forget about it after 2 years of no c#ing) it's better if accessors are explicit. Don't undervalue the impac...
What is a loop invariant?
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Thanks very much for this answer! The biggest take from it is the purpose of having this loop invariant is to help prove the correctness of the algorithm. The other answers only focus on what is a loop invariant!
– Neekey
Dec 5 '18 at 12...
Subdomain on different host [closed]
...s a stupid question, but important for me. Will all the traffic have to go from main server connected to mydomain.com like a proxy or is it used only to redirect?
– Marek
Oct 24 '15 at 11:29
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Android. Fragment getActivity() sometimes returns null
...agment manager already has this fragment's instance and you need to get it from fragment manager and pass it to the adapter.
UPDATE
Also, it is a good practice when using fragments to check isAdded before getActivity() is called. This helps avoid a null pointer exception when the fragment is detac...
Is there a way to iterate over a range of integers?
...on version of the for loop (i.e. you can do a lot more with it, the syntax from the OP is only good for that more restricted case of a number range, so in any language you're going to want this extended version) and it sufficiently accomplishes the same task, and isn't remarkably different anyway, s...
Why .NET String is immutable? [duplicate]
...estion). With mutable objects that can't be done.
No side-effects can come from passing an immutable type as a method to a parameter unless it is out or ref (since that changes the reference, not the object). A programmer therefore knows that if string x = "abc" at the start of a method, and that do...