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What is the difference between the add and offer methods in a Queue in Java?
Take the PriorityQueue for example http://java.sun.com/j2se/1.5.0/docs/api/java/util/PriorityQueue.html#offer(E)
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Styling HTML email for Gmail
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The answers here are outdated, as of today Sep 30 2016. Gmail is currently rolling out support ...
Best practices/performance: mixing StringBuilder.append with String.concat
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184
+ operator
String s = s1 + s2
Behind the scenes this is translated to:
String s = new Stri...
Why are functions in Ocaml/F# not recursive by default?
...pler code. However, superceded functions are made to use different names (f1, f2 etc.) which pollutes the scope and makes it possible to accidentally invoke the wrong "version" of a function. And there is now a discrepancy between implicitly-recursive fun-bound functions and non-recursive val-bound ...
How to open a second activity on click of button in android app
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12 Answers
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How to establish a connection pool in JDBC?
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CSS: 100% width or height while keeping aspect ratio?
Currently, with STYLE, I can use width: 100% and auto on the height (or vice versa), but I still can't constrain the image into a specific position, either being too wide or too tall, respectively.
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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
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158
They are quite different!
As stated in the documentation for Class.forName(String),
Retu...
WPF global exception handler [duplicate]
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165
You can handle the AppDomain.UnhandledException event
EDIT: actually, this event is probably ...
Why does the arrow (->) operator in C exist?
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I'll interpret your question as two questions: 1) why -> even exists, and 2) why . does not automatically dereference the pointer. Answers to both questions have historical roots.
Why does -> even exist?
In one of the very first versions of C language (which I wil...