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How to return multiple objects from a Java method?
I want to return two objects from a Java method and was wondering what could be a good way of doing so?
25 Answers
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What exactly is a Context in Java? [duplicate]
I Googled this and read the Java documentation, but I'm a bit confused. Can somebody please explain what a Context is in plain English?
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
... properly).
Use the second option if you need to ensure data consistency, and each thread needs to have an up-to-date view of the map. Use the first if performance is critical, and each thread only inserts data to the map, with reads happening less frequently.
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Format string, integer with leading zeros
... the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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Sorting dropdown alphabetically in AngularJS
...t in turn is calling a service. Unfortunately the data coming in is a mess and I need to be able to sort it alphabetically.
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How do you add a Dictionary of items into another Dictionary
...for this, I tried everything except this. But you can drop the @assignment and return, you're already mutating left. Edit: actually, even though I get no errors, I think @assignment should stay.
– Roland
Jun 9 '14 at 12:02
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Remove IE10's “clear field” X button on certain inputs?
... any way to disable it?
For instance, if the form is a single text field and already has a "clear" button beside it, it's superfluous to also have the X. In this situation, it would be better to remove it.
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How to create nonexistent subdirectories recursively using Bash?
... script that will dump some databases into a nice/neat directory structure and I realized that I need to test to make sure that the directories exist before I create them. The code I have works, but it seems that there is a better way to do it. Any suggestions?
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delegate keyword vs. lambda notation
...delegates (such as System.Func) uses System.Linq.Enumerable. Linq to SQL (and anything else) with expressions uses System.Linq.Queryable. Check out the parameters on those methods.
An Explanation from ScottGu. In a nutshell, Linq in-memory will produce some anonymous methods to resolve your query...
Cross Domain Form POSTing
I've seen articles and posts all over (including SO) on this topic, and the prevailing commentary is that same-origin policy prevents a form POST across domains. The only place I've seen someone suggest that same-origin policy does not apply to form posts, is here .
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