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CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
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But what if there's more than one domain?
– aroth
Oct 8 '14 at 0:57
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How do I terminate a thread in C++11?
...exception when it is to be forcefully terminated. The tricky part on this one is getting the target thread to throw this exception.
Options 1 and 2 don't leak intra-process resources, but they terminate every thread.
Option 3 will probably leak resources, but is partially cooperative in that the...
Regex group capture in R with multiple capture-groups
...act group capture from a regular expression match? As far as I can tell, none of grep , grepl , regexpr , gregexpr , sub , or gsub return the group captures.
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To switch from vertical split to horizontal split fast in Vim
... it seems like you can drop the Ctrl-w t part because if you're already in one of only two windows, what's the point of making it current?
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Convert Set to List without creating new List
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We can use following one liner in Java 8:
List<String> list = set.stream().collect(Collectors.toList());
Here is one small example:
public static void main(String[] args) {
Set<String> set = new TreeSet<>();
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Python hashable dicts
... of the __key method (in practice either approach should work, though this one might be slowed down by making an unneeded itermediate list -- fixable by s/items/iteritems/ -- assuming Python 2.* as you don't say;-).
– Alex Martelli
Jul 20 '09 at 4:48
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JPA getSingleResult() or null
... a primary key lookup technically there could be multiple results (even if one, both or the combination of your foreign keys or constraints makes this impossible in practice) so this is probably the more appropriate solution.
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Python serialization - Why pickle?
...er python script.
As for where the pickled information is stored, usually one would do:
with open('filename', 'wb') as f:
var = {1 : 'a' , 2 : 'b'}
pickle.dump(var, f)
That would store the pickled version of our var dict in the 'filename' file. Then, in another script, you could load fro...
Best XML parser for Java [closed]
... Woodstox is the right way, but you have to write more code to get things done and you have to get used to process XML in streams.
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Naming threads and thread-pools of ExecutorService
...n thread factory, which will create thread with appropriate names. Here's one example:
class YourThreadFactory implements ThreadFactory {
public Thread newThread(Runnable r) {
return new Thread(r, "Your name");
}
}
Executors.newSingleThreadExecutor(new YourThreadFactory()).submit(some...