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How do I find out which DOM element has the focus?
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@Rudie, @Stewart: I've built on your fiddle to create a more elaborate playground: jsfiddle.net/mklement/72rTF. You'll find that the only major browser (as of late 2012) that can actually focus such a div is Firefox 17, and only by tabbing to it. The types of elements that ALL maj...
How do you cast a List of supertypes to a List of subtypes?
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That is true, but it was more illustrative than factually correct
– Salandur
Dec 3 '13 at 21:13
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Removing multiple files from a Git repo that have already been deleted from disk
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How to set initial value and auto increment in MySQL?
...at some samples that used these statements in a similar way, and they make more sense now. Thank you.
– Michael Hoffmann
Oct 21 '16 at 0:50
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Execute a terminal command from a Cocoa app
...d NSFileHandle are used to redirect the standard output of the task.
For more detailed information on interacting with the operating system from within your Objective-C application, you can see this document on Apple's Development Center: Interacting with the Operating System.
Edit: Included fix...
Where does Java's String constant pool live, the heap or the stack?
...h the other objects created by the application. This change will result in more data residing in the main Java heap, and less data in the permanent generation, and thus may require heap sizes to be adjusted. Most applications will see only relatively small differences in heap usage due to this chang...
What is the difference between Bower and npm?
...so a tree. It is just a special case. From WikiPedia: "In mathematics, and more specifically in graph theory, a tree is an undirected graph in which any two vertices are connected by exactly one path."
– Jørgen Fogh
Dec 25 '14 at 17:20
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Using GCC to produce readable assembly?
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If you compile with debug symbols, you can use objdump to produce a more readable disassembly.
>objdump --help
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-S, --source Intermix source code with disassembly
-l, --line-numbers Include line numbers and filenames in output
objdump -drwC -Mintel is nice:
-r s...
Algorithm to implement a word cloud like Wordle
...boxes, and a quadtree spatial index (all of which are things you can learn more about with some diligent googling).
Edit: As Reto Aebersold pointed out, there's now a book chapter, freely available, that covers this same territory: Beautiful Visualization, Chapter 3: Wordle
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[ :Unexpected operator in shell programming [duplicate]
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