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How to avoid null checking in Java?
...ace Parser {
Action findAction(String userInput);
}
where Parser takes raw user input and finds something to do, perhaps if you're implementing a command line interface for something. Now you might make the contract that it returns null if there's no appropriate action. That leads the null che...
Catch checked change event of a checkbox
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Solving “Who owns the Zebra” programmatically?
...f your own creation using a technique such as modus ponens to perform the draw the conclusions.
You will, of course, need to add some rules about zebras, since it isn't mentioned anywhere... I believe the intent is that you can figure out the other 4 pets and thus deduce the last one is the zebra?...
source of historical stock data [closed]
...o uses a different "corporate events" data provider and then just uses the raw CSI data adjusted by the corporate events. This somewhat old article gives some insight: amibroker.org/userkb/2007/09/23/yahoos-data-providers
– lukebuehler
Jul 8 '13 at 2:45
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How to redirect to Index from another controller?
I have been looking through trying to find some way to redirect to an Index view from another controller.
6 Answers
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trying to animate a constraint in swift
...I want to enlarge its width when tapped on. I set up the constraints and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side.
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JavaScript + Unicode regexes
...thanks to @modiX and @Lwangaman for the improvements).
Here's the source (raw, 27.5KB; minified, 24.9KB, not much better...). It might be made smaller by unescaping the unicode characters, but OTOH will run the risk of encoding issues, so I'm leaving as it is. Hopefully with ES6 this kind of thing ...
Removing whitespace between HTML elements when using line breaks
...HTML, I want to put a linebreak in between each img tag, but doing so renders whitespace between the images, which I do not want. Is there anything I can do other than break in the middle of the tags rather than between them?
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Which kind of pointer do I use when?
...ovides a better solution. —end note ]
No ownership:
Use dumb pointers (raw pointers) or references for non-owning references to resources and when you know that the resource will outlive the referencing object / scope. Prefer references and use raw pointers when you need either nullability or re...