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How does a Breadth-First Search work when looking for Shortest Path?
...'ve done some research, and I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain ...
How does the Java 'for each' loop work?
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for (Iterator<String> i = someIterable.iterator(); i.hasNext();) {
String item = i.next();
System.out.println(item);
}
Note that if you need to use i.remove(); in your loop, or access the actual iterator in som...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
I'm looking for the full list of ADB shell dumpsys commands with a full explanation of all of the commands.
4 Answers
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CruiseControl [.Net] vs TeamCity for continuous integration?
...me .Net and some Java development, so I would like to have a tool that supports both these platforms.
11 Answers
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Android ListView Divider
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Folks, here's why you should use 1px instead of 1dp or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugl...
How to get the start time of a long-running Linux process?
...o get the start time of an old running process? It seems that ps will report the date (not the time) if it wasn't started today, and only the year if it wasn't started this year. Is the precision lost forever for old processes?
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How to efficiently count the number of keys/properties of an object in JavaScript?
...n any ES5-compatible environment, such as Node, Chrome, IE 9+, Firefox 4+, or Safari 5+:
Object.keys(obj).length
Browser compatibility
Object.keys documentation (includes a method you can add to non-ES5 browsers)
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Why does `True == False is False` evaluate to False? [duplicate]
I get some rather unexpected behavior on an expression that works with == but not with is :
4 Answers
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An “and” operator for an “if” statement in Bash
...trying to create a simple Bash script to check if the website is down and for some reason the "and" operator doesn't work:
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Difference between addSubview and insertSubview in UIView class
... where the view is added: whether it is the frontmost view (addSubview:), or it is before the 5th subview, (insertSubview:atIndex:) or if it is immediately behind another subview (insertSubview:aboveSubview:).
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