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Java concurrency: Countdown latch vs Cyclic barrier
...s starting etc... a CountdownLatch is fine. A CyclicBarrier is useful for more complex co-ordination tasks. An example of such a thing would be parallel computation - where multiple subtasks are involved in the computation - kind of like MapReduce.
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How to list only the file names that changed between two commits?
...tty=format: --name-status. Just doing git show --name-status gives a bit more info, but still nice and dense... that will be my new goto command ;)
– travc
Jun 14 '17 at 22:52
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Is there a list of Pytz Timezones?
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How accurately should I store latitude and longitude?
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and open as many "cloned" ByteA...
How to zip a whole folder using PHP
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How do I sort a list by different parameters at different timed
... enum approach is basically sound, but the switch statements really need a more object oriented approach. Consider:
enum PersonComparator implements Comparator<Person> {
ID_SORT {
public int compare(Person o1, Person o2) {
return Integer.valueOf(o1.getId()).compareTo(o...
Is there a version of JavaScript's String.indexOf() that allows for regular expressions?
... me an example that would make mine fail? I appreciate being able to learn more, but your response doesn't help someone as ignorant as I am. :)
– Jason Bunting
Nov 8 '08 at 4:40
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log4net hierarchy and logging levels
...erable to specify a minimum logging level to log that level and any others more severe than it. It seems like you are just thinking about the logging levels backwards.
However, if you want more fine-grained control over logging individual levels, you can tell log4net to log only one or more specifi...
How do I call the default deserializer from a custom deserializer in Jackson
... solved this in another way but I will look into your solution when i have more time.
– Pablo Jomer
Aug 24 '13 at 8:39
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