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How to pass the values from one activity to previous activity
...the entered text value in its extras bundle. To pass it back to the parent call setResult before calling finish to close the secondary Activity.
Intent resultIntent = new Intent();
resultIntent.putExtra(PUBLIC_STATIC_STRING_IDENTIFIER, enteredTextValue);
setResult(Activity.RESULT_OK, resultIntent);...
Jackson serialization: ignore empty values (or null)
...TY
The other option is to configure the ObjectMapper directly, simply by calling
mapper.setSerializationInclusion(Include.NON_NULL);
(for the record, I think the popularity of this answer is an indication that this annotation should be applicable on a field-by-field basis, @fasterxml)
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When to use symbols instead of strings in Ruby?
...fiers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks.
Full answer
The only reason not to use them for identifiers that are generated dynamically is because of memory concerns.
This question is very common because many programming languages don't ...
PowerMockito mock single static method and return object
... supplies a default strategy for what Mockito/PowerMock should do when you call a method you haven't explicitly stubbed on the mock instance.
From the javadoc:
Creates class mock with a specified strategy for its answers to
interactions. It's quite advanced feature and typically you don't nee...
Order discrete x scale by frequency/value
...nd reorder changes characteristics of the data, albeit within the ggplot() call, and so does more than it need do for the problem at hand.
– mjandrews
Nov 22 '18 at 17:38
2
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Why is list initialization (using curly braces) better than the alternatives?
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Basically copying and pasting from Bjarne Stroustrup's "The C++ Programming Language 4th Edition":
List initialization does not allow narrowing (§iso.8.5.4). That is:
An integer cannot be converted to another integer that can...
How to getText on an input in protractor
...k we have kept it in a common function like -
getText : function(element, callback) {
element.getText().then (function(text){
callback(text);
});
},
By this you can have the text of an element.
Let me know if it is still unclear.
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Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
4 Answers
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Python: fastest way to create a list of n lists
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@Paul: That would be way slower again due to the function call overhead of the lambda expression.
– Sven Marnach
Apr 1 '11 at 22:06
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android TextView: setting the background color dynamically doesn't work
Setting the background color programatically of an android TextView doesn't seem to work.
I'm I missing something!
14 Ans...