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Why is null an object and what's the difference between null and undefined?
Why is null considered an object in JavaScript?
21 Answers
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SortedList, SortedDictionary and Dictionary
I find that SortedList<TKey, TValue> SortedDictionary<TKey, TValue> and Dictionary<TKey, TValue> implement the same interfaces.
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Going from a framework to no-framework [closed]
I've been developing in PHP for about 8 years as a hobby. In 2009, I picked up codeigniter and since then I've not managed to get a single project developed.
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Polymorphism with gson
I have a problem deserializing a json string with Gson.
I receive an array of commands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
What's a quick-and-dirty way to make sure that only one instance of a shell script is running at a given time?
40 Answers
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like
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Limitations of Intel Assembly Syntax Compared to AT&T [closed]
To me, Intel syntax is much easier to read. If I go traipsing through assembly forest concentrating only on Intel syntax, will I miss anything? Is there any reason I would want to switch to AT&T (outside of being able to read others' AT&T assembly)? My first clue is that gdb uses AT&T by default.
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Why exactly is eval evil?
I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potentia...
Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms .
12 Answers
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Override intranet compatibility mode IE8
By default IE8 forces intranet websites into compatibility mode. I tried changing the meta header to IE8, but it doesn't acknowledge the meta header and just uses the browser setting. Does anyone know how to disable this?
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