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Invalid argument supplied for foreach()
It often happens to me to handle data that can be either an array or a null variable and to feed some foreach with these data.
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How can I check if a URL exists via PHP?
... edited Sep 21 at 16:58
Theodore R. Smith
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answered Feb 17 '10 at 12:10
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In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
11 Answers
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When to use an interface instead of an abstract class and vice versa?
... answered Jan 26 '09 at 9:01
Jorge CórdobaJorge Córdoba
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How to check if an object is a generator object in python?
In python, how do I check if an object is a generator object?
9 Answers
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What is the correct way to check for string equality in JavaScript?
What is the correct way to check for equality between Strings in JavaScript?
9 Answers
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Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
I have a small MVC app that I use for practice reasons, but now I am encountering an error every time I try to debug:
18 An...
Relative imports in Python 2.7
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Script vs. Module
Here's an explanation. The short version is that there is a big difference between directly running a Python file, and importing that file from somewhere else. Just knowing what directory a file is in does not determine what package Python thinks it is ...
Was PreferenceFragment intentionally excluded from the compatibility package?
...If so, can I easily target a range of devices (i.e. < 3.0 and >=3.0) or will I have to jump through hoops?
I consider it to be done "easily". Have two separate PreferenceActivity implementations, one using preference headers and PreferenceFragments, the other using the original approach. Cho...
Why is semicolon allowed in this python snippet?
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It's useful for things like timeit a = 5; a*a
– endolith
May 23 '13 at 19:00
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