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Why java.util.Optional is not Serializable, how to serialize the object with such fields
...t Optional be Serializable?" The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when a return value might be absent. The int...
“Undefined reference to” template class constructor [duplicate]
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3 Answers
3
Active
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Get value from JToken that may not exist (best practices)
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svicksvick
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4
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What does template mean?
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answered Jan 31 '09 at 16:37
maxaposteriorimaxaposteriori
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Why doesn't list have safe “get” method like dictionary?
...ows you to query the value associated with a name, not directly access the 37th item in the dictionary (which would be more like what you're asking of your list).
Of course, you can easily implement this yourself:
def safe_list_get (l, idx, default):
try:
return l[idx]
except IndexError:
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How to get the size of a string in Python?
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Frankline
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answered Feb 11 '11 at 9:53
user225312user225...
Proper way to initialize a C# dictionary with values?
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edited Jan 23 '19 at 15:12
answered Jun 11 '13 at 15:15
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Pry: show me the stack
...on <AbstractController::Base#process_action(method_name, *args)>
#3 [method] process_action <ActionController::Rendering#process_action(*arg1)>
<... clipped ...>
[2] pry(#<PostsController>)> up
Frame number: 1/64
Frame type: method
From: /Users/johnmair/.rvm/gems/ru...
jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
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edited Nov 21 '08 at 7:38
Owen
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answered...
'Java' is not recognized as an internal or external command
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edited Apr 3 '13 at 20:06
answered Apr 3 '13 at 19:59
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