大约有 22,000 项符合查询结果(耗时:0.0180秒) [XML]

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Store boolean value in SQLite

... Which is better in term of performance! true/false as strings or 0/1 integer? – Muhammad Babar Aug 9 '15 at 13:38 ...
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Method Overloading for null argument

... Does this mean that if compiler were to choose in between doSomething(String str) and doSomething(Object obj) during runtime with doSomething(null), doSomething(String str) will be called. – Sameer Nov 10 '16 at 9:22 ...
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How to remove illegal characters from path and filenames?

...st and simple way to remove illegal path and file characters from a simple string. I've used the below code but it doesn't seem to do anything, what am I missing? ...
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Is there a way to get rid of accents and convert a whole string to regular letters?

... getting rid of accents and making those letters regular apart from using String.replaceAll() method and replacing letters one by one? Example: ...
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What's the difference between VARCHAR and CHAR?

... CHAR Used to store character string value of fixed length. The maximum no. of characters the data type can hold is 255 characters. It's 50% faster than VARCHAR. Uses static memory allocation. VARCHAR Used to store variable length alphanumeric data. T...
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How to convert integer to string in C? [duplicate]

...afer in that you specify how much input you're taking. Otherwise, If your string has multi-byte characters, or ends up longer than you expected due to large numbers, you can overflow your buffer and crash your program (etc). – gone Apr 23 '14 at 9:06 ...
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Custom HTTP headers : naming conventions

...orwarded-For" on the one hand, vs. (B) app developers passing app-specific strings to/from client and server. The spec only concerns itself with the former, (A). The question here is whether there are conventions for (B). There are. They involve grouping the parameters together alphabetically, and s...
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Check if a string has white space

I'm trying to check if a string has white space . I found this function but it doesn't seem to be working: 7 Answers ...
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How do I count the number of occurrences of a char in a String?

I have the string 45 Answers 45 ...
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How to convert a number to string and vice versa in C++

... Update for C++11 As of the C++11 standard, string-to-number conversion and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5). string to numeric float stof(const string&am...