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NullPointerException in Java with no StackTrace

...bal variable OmitStackTraceInFastThrow. Last time I looked at the code (in 2019), it was in the file graphKit.cpp. share | improve this answer | follow | ...
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How to overcome “datetime.datetime not JSON serializable”?

... Updated for 2018 The original answer accommodated the way MongoDB "date" fields were represented as: {"$date": 1506816000000} If you want a generic Python solution for serializing datetime to json, check out @jjmontes' answer for a qu...
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Checking if a double (or float) is NaN in C++

... answered Feb 20 '09 at 18:17 jalfjalf 223k4545 gold badges319319 silver badges536536 bronze badges ...
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Java HashMap performance optimization / alternative

...nted out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every ...
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?

...fold over that) – Wes Apr 28 '12 at 20:00 3 ...
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Application Loader stuck at “Authenticating with the iTunes store” when uploading an iOS app

... This only started happening to me today (May 2017) and no answers in this thread solved my issue. The resolution for me was from here; https://forums.developer.apple.com/thread/76803 Open Terminal. Change to home directory, cd ~ Move the current transporter direc...
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dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib

... | edited Dec 10 '14 at 20:43 answered Aug 11 '14 at 16:20 ...
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How can I measure the actual memory usage of an application or process?

...ining where the most memory is being allocated. Massif runs programs about 20x slower than normal. As explained in the Valgrind documentation, you need to run the program through Valgrind: valgrind --tool=massif <executable> <arguments> Massif writes a dump of memory usage snapshots (e....
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Iterating through a range of dates in Python

...t_date).days)): yield start_date + timedelta(n) start_date = date(2013, 1, 1) end_date = date(2015, 6, 2) for single_date in daterange(start_date, end_date): print(single_date.strftime("%Y-%m-%d")) NB: For consistency with the built-in range() function this iteration stops before reach...
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Is there a way to reduce the size of the git folder?

... houbysofthoubysoft 28k2020 gold badges9090 silver badges151151 bronze badges ...