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Obtaining a powerset of a set in Java
...the entire power set is never stored at once... So you can iterate over it one-by-one without needing it to be stored in memory. I'd like to think it's a better option... Note the complexity is the same, O(2^n), but the memory requirements are reduced (assuming the garbage collector behaves! ;) )
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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
...lent of that. Of course you will have to make sure that the invocation is done, when the session is still available, so annotate your controller method with @Transactional. An alternative is to create an intermediate Service layer between the Controller and the Repository that could expose methods w...
How to encode the filename parameter of Content-Disposition header in HTTP?
...mple where it fails?
@Dave Van den Eynde: Combining the two file names on one line as according to RFC6266 works except for Android and IE7+8 and I have updated the code to reflect this. Thank you for the suggestion.
@Thilo: No idea about GoodReader or any other non-browser. You might have some lu...
Is there an online name demangler for C++? [closed]
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This one worked for me, but not the one in the more popular answer: _ZN9cdnalizer11rewriteHTMLINS_6apache8IteratorEcEET_RKSsRKNS_6ConfigES3_S3_St8functionIFS3_RKS3_SB_EES9_IFvSsEE
– matiu
Dec...
What is the proper way to test if a parameter is empty in a batch file?
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And using "%~1" is really a better approach, as I mentioned in my answer.
– jamesdlin
May 31 '15 at 21:08
8
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What are copy elision and return value optimization?
...y 1 is from the return to a temp, and copy 2 from temp to obj; 2nd is when one of the above is optimezed, probably the reutnr copy is elided; the thris both are elided
– victor
Nov 7 '14 at 16:06
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Output first 100 characters in a string
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Not disparaging your answer, but there one only 24 letters in Greek, ς and σ are the same letter :-)
– paxdiablo
Aug 15 '10 at 14:07
4
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Custom thread pool in Java 8 parallel stream
... as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
// Parallel task here, f...
How to get share counts using graph API
...?source=6&url=%%URL%%
Edit:
Removed the Twitter endpoint, since that one has been deprecated.
Edit:
Facebook REST API is deprecated
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Tuples( or arrays ) as Dictionary keys in C#
...a Dictionary lookup table in C#. I need to resolve a 3-tuple of values to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pret...