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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...percent application time and 10 percent garbage collection time
Apart from setting heap memory with -Xms1g -Xmx2g , try
-XX:+UseG1GC -XX:G1HeapRegionSize=n -XX:MaxGCPauseMillis=m
-XX:ParallelGCThreads=n -XX:ConcGCThreads=n
Have a look at some more related questions regarding G1GC
Java 7 (JDK...
How to get the Power of some Integer in Swift language?
...I expected because the precedence was off. For an exponentiative operator, set precedence to 160 (see developer.apple.com/library/ios/documentation/Swift/Conceptual/… and developer.apple.com/library/ios/documentation/Swift/Conceptual/…) like so: infix operator ^^ { precedence 160 } func ^^... an...
What is the standard Python docstring format? [closed]
...say where you can change default docstring format in PyCharm (JetBrains): Settings --> Tools --> Python Integrated Tools --> Docstring format. Good luck!
– Jackssn
Mar 30 '17 at 11:08
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What are metaclasses in Python?
...anything that subclasses or uses it.
Metaclasses in Python 3
The syntax to set the metaclass has been changed in Python 3:
class Foo(object, metaclass=something):
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i.e. the __metaclass__ attribute is no longer used, in favor of a keyword argument in the list of base classes.
The behavior of ...
How to suppress “unused parameter” warnings in C?
... course this effects the whole file (and maybe project depending where you set the switch) but you don't have to change any code.
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How do I get the currently displayed fragment?
I am playing with fragments in Android.
50 Answers
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Comparison of C++ unit test frameworks [closed]
I know there are already a few questions regarding recommendations for C++ unit test frameworks, but all the answers did not help as they just recommend one of the frameworks but do not provide any information about a (feature) comparison.
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How to check if an NSDictionary or NSMutableDictionary contains a key?
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Checking a dictionary(or set) for the existence of a key is expected O(1) with a worst case of O(n). Not O(log(n)). Apple's documentation clearly explains this.
– Andrew Hoos
Aug 12 '14 at 15:58
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Make var_dump look pretty
I have a simple $_GET[] query var set for showing testing data when pulling down queries from the DB.
13 Answers
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Detecting an undefined object property
... Any non-default context can also overwrite, say, Math, or Object, or setTimeout, or literally anything that you expect to find in the global scope by default.
– CherryDT
Mar 17 at 21:21
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