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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...
ExecutorService that interrupts tasks after a timeout
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edited Feb 13 '17 at 14:43
Reaz Murshed
19.7k1111 gold badges6565 silver badges8080 bronze badges
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How does Angular $q.when work?
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Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it i...
Correct way to pass multiple values for same parameter name in GET request
...b frameworks allow
multiple values to be associated with a single field.[3][4]
Furthermore, when you take a look at the RFC 3986, in section 3.4 Query, there is no definition for parameters with multiple values.
Most applications use the first option you have shown: http://server/action?id=a&a...
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...
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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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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Gradle alternate to mvn install
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edited Jun 23 '18 at 3:50
the_storyteller
1,8551717 silver badges2626 bronze badges
answer...
How can I save an image to the camera roll?
I am new to Xcode (using 4.3) and am not sure how to save an image to the device's camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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