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Functional style of Java 8's Optional.ifPresent and if-not-Present?
...stem.out::println, ()->{System.out.println("Not fit");});
IntStream.range(0, 100).boxed().map(i->Optional.of(i).filter(j->j%2==0)).forEach(c);
In this new code you have 3 things:
can define functionality before existing of object easy.
not creating object refrence for each Optional,...
@try - catch block in Objective-C
...@"Finally condition");
}
Log:
[__NSCFConstantString characterAtIndex:]: Range or index out of bounds
Char at index 5 cannot be found
Max index is: 3
Finally condition
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What is the most effective way to get the index of an iterator of an std::vector?
...pes. If the efficiency with non-random-access iterators is still in usable range, then you should use distance and document the fact that the algorithm works better with random-access iterators.
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Round a double to 2 decimal places [duplicate]
...t may overflow. but if you know that your values will be in an appropriate range then this should work for you.
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Best GWT widget library? [closed]
...f which have accompanying code
Good selection of widgets that cover a wide range of functionality
Cons:
Makes assumptions about your data's format and structure that you may not be able to accommodate
Library is just a JSNI wrapper, which makes it harder to debug and extend
Future support and de...
HTML Form: Select-Option vs Datalist-Option
...ase you've used it with <input type="text" but you can also use it with ranges, colors, dates etc. http://demo.agektmr.com/datalist/
If using it with text input, as a type of autocomplete, then the question really is: Is it better to use a free-form text input, or a predetermined list of options...
Create a git patch from the uncommitted changes in the current working directory
...h readable if you open it with a text editor? it should be clean with no strange characters, for example if the color.diff setting is set your patch will have some 'color characters' that can make 'git apply' fail, in that case try git diff --no-color. Otherwise, it looks like an encoding problem.
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How to add leading zeros?
...for creating manual axis tick labels. It works particularly well for wide ranges of numbers.
The scales package has several functions such as percent, date_format and dollar for specialist format types.
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Python memoising/deferred lookup property decorator
... @lazyprop
def a(self):
print 'generating "a"'
return range(5)
Interactive session:
>>> t = Test()
>>> t.__dict__
{}
>>> t.a
generating "a"
[0, 1, 2, 3, 4]
>>> t.__dict__
{'_lazy_a': [0, 1, 2, 3, 4]}
>>> t.a
[0, 1, 2, 3, 4]
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Possible reasons for timeout when trying to access EC2 instance
... active security
group. In the inbound dialog below, enter 22 in the port range, your local IP/32 in the source field, and leave 'custom tcp rule' in the dropdown.
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