大约有 43,000 项符合查询结果(耗时:0.0630秒) [XML]
How to pattern match using regular expression in Scala?
I would like to be able to find a match between the first letter of a word, and one of the letters in a group such as "ABC". In pseudocode, this might look something like:
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Repeat Character N Times
In Perl I can repeat a character multiple times using the syntax:
23 Answers
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
I have seen many types of image extensions but have never understood the real differences between them. Are there any links out there that clearly explain their differences?
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How to get a key in a JavaScript object by its value?
I have a quite simple JavaScript object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually?
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An example of how to use getopts in bash
I want to call myscript file in this way:
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How to declare a structure in a header that is to be used by multiple files in c?
If I have a source.c file with a struct:
3 Answers
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Why does Ruby have both private and protected methods?
Before I read this article , I thought access control in Ruby worked like this:
7 Answers
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
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Dependency Injection vs Factory Pattern
Most of the examples quoted for usage of Dependency Injection, we can solve using the factory pattern as well. Looks like when it comes to usage/design the difference between dependency injection and factory is blurred or thin.
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
I am new to Core Data. I have noticed that collection types are not available as attribute types and would like to know what the most efficient way is of storing array/dictionary type data as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate ...
