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Practical usage of setjmp and longjmp in C

...oroutines. Here is a little demo example. I hope it satisfies the request from Sivaprasad Palas for some example code and answers the question of TheBlastOne how setjmp/longjmp supports the implementation of corroutines (as much as I see it doesn't base on any non-standard or new behaviour). EDIT...
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Practical uses for AtomicInteger

...g algorithms. Here is an example of non-blocking random number generator from Brian Göetz's Java Concurrency In Practice: public class AtomicPseudoRandom extends PseudoRandom { private AtomicInteger seed; AtomicPseudoRandom(int seed) { this.seed = new AtomicInteger(seed); } ...
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About catching ANY exception

...? Unless you re-raise the exception right away - see the following example from the docs: try: f = open('myfile.txt') s = f.readline() i = int(s.strip()) except IOError as (errno, strerror): print "I/O error({0}): {1}".format(errno, strerror) except ValueError: print "Could not ...
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How to convert int[] into List in Java?

... There is no shortcut for converting from int[] to List<Integer> as Arrays.asList does not deal with boxing and will just create a List<int[]> which is not what you want. You have to make a utility method. int[] ints = {1, 2, 3}; List<Integer>...
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How do emulators work and how are they written? [closed]

...ction pointer -- also called PC, program counter) and read the instruction from memory. Your code parses this instruction and uses this information to alter processor state as specified by your processor. The core problem with interpretation is that it's very slow; each time you handle a given ins...
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android: move a view on touch move (ACTION_MOVE)

... Its working fine but Is there any way to restrict the move from outside the screen that means should move only inside screen boundary.. – Daud Arfin Oct 19 '13 at 4:34 ...
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Add timestamps to an existing table

...ns, default: DateTime.now change_column_default :campaigns, :created_at, from: DateTime.now, to: nil change_column_default :campaigns, :updated_at, from: DateTime.now, to: nil end share | impro...
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Easiest way to convert a List to a Set in Java

...omeComparator); lSet.addAll(myList); This depends on either compareTo() (from the comparable interface) or compare() (from the comparator) to ensure uniqueness. So, if you just care about uniqueness, use the HashSet. If you're after sorting, then consider the TreeSet. (Remember: Optimize later!) I...
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How do I clear the std::queue efficiently?

...). In one scenario, I want to clear the queue in one shot( delete all jobs from the queue). I don't see any clear method available in std::queue class. ...
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How to count number of files in each directory?

... Its just a slighly different version from the above, so: ( hint: its sorted by name and its in csv) for x in find . -maxdepth 1 -type d | sort; do y=find $x | wc -l; echo $x,$y; done – pcarvalho May 11 '13 at 17:25 ...