大约有 26,000 项符合查询结果(耗时:0.0630秒) [XML]

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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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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...
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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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Why doesn't Java Map extend Collection?

I was surprised by the fact that Map<?,?> is not a Collection<?> . 9 Answers ...
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How do ACID and database transactions work?

What is the relationship between ACID and database transaction? 8 Answers 8 ...