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When do I use fabs and when is it sufficient to use std::abs?
.... But when I use just cmath and std::abs , do I have to use std::fabs or fabs ? Or isn't this defined?
4 Answers
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Proper practice for subclassing UIView?
I'm working on some custom UIView-based input controls, and I'm trying to ascertain proper practice for setting up the view. When working with a UIViewController, it's fairly simple to use the loadView and related viewWill , viewDid methods, but when subclassing a UIView, the closest methosds I...
Assembly code vs Machine code vs Object code?
...directly by the CPU. If you were to open a machine code file in a text editor you would see garbage, including unprintable characters (no, not those unprintable characters ;) ).
Object code is a portion of machine code not yet linked into a complete program. It's the machine code for one particular ...
Set line spacing
How can I set line spacing with CSS, like we can set it in MS Word?
9 Answers
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How I can I lazily read multiple JSON values from a file/stream in Python?
...read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects.
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PHP parse/syntax errors; and how to solve them
Everyone runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the learning process. However, it's often easy to interpret error messages such as:
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Mod in Java produces negative numbers [duplicate]
... 1 as the result of -1 % 2 .
What do I have to do to get the same behavior in Java with the modulo function?
5 Answers
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Validate phone number with JavaScript
I found this code in some website, and it works perfectly. It validates that the phone number is in one of these formats:
(123) 456-7890 or 123-456-7890
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Moving average or running mean
Is there a SciPy function or NumPy function or module for Python that calculates the running mean of a 1D array given a specific window?
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