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Why does pthread_cond_wait have spurious wakeups?
...ous wakeup' could mean:
A thread blocked in pthread_cond_wait can return from the call even though no call to pthread_call_signal or pthread_cond_broadcast on the condition occurred.
A thread blocked in pthread_cond_wait returns because of a call to pthread_cond_signal or pthread_cond_broadcast, h...
How do I include negative decimal numbers in this regular expression?
...
I have some experiments about regex in django url, which required from negative to positive numbers
^(?P<pid>(\-\d+|\d+))$
Let's we focused on this (\-\d+|\d+) part and ignoring others, this semicolon | means OR in regex, then the negative value will match with this \-\d+ part, and...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...rally contains) the connection (information). This is exactly the opposite from the OO/model world.
This may help to understand:
public class Customer {
// This field doesn't exist in the database
// It is simulated with a SQL query
// "OO speak": Customer owns the orders
priva...
Why doesn't Java support unsigned ints?
...
This is from an interview with Gosling and others, about simplicity:
Gosling: For me as a language designer, which I don't really count myself as these days, what "simple" really ended up meaning was could I expect J. Random Deve...
Difference between HBase and Hadoop/HDFS
... as column families).
Provides low latency access to small amounts of data from within a large data set.
Provides flexible data model.
Hadoop is most suited for offline batch-processing kinda stuff while HBase is used when you have real-time needs.
An analogous comparison would be between MySQL a...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
... @rusio Here is my example. It supports monolithic build (all modules from the root folder) or autonomous builds (each module separately, requires install).
– Dimitrios Menounos
Apr 28 '15 at 0:14
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How to Git stash pop specific stash in 1.8.3?
...known revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git <command> [<revision>...] -- [<file>...]'
– Dave Doga Oz
Apr 17 at 17:52
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When to use IMG vs. CSS background-image?
...mage is more a question of content than style then you're still editing it from the HTML side of things.
– Jimbo Jonny
Oct 19 '15 at 14:22
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What is the difference between integration and unit tests?
... collection classes, etc.) which don't make sense to be mocked or isolated from; we simply regard them as stable and reliable dependencies which are outside the testing scope.
– Rogério
Apr 22 '15 at 21:58
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Double negation (!!) in javascript - what is the purpose? [duplicate]
...I came across a good case for it after I posted that. When doing a return from a function and needing a boolean type to be returned and not the object itself, such as: return !!guess; I can see why the earlier usage is not totally necessary. (guess = !!option.guess)
– JoePC
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