大约有 40,000 项符合查询结果(耗时:0.0221秒) [XML]

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How can I convert a std::string to int?

... a few solutions but none of them have worked yet. Looking at converting a string to an int and I don't mean ASCII codes. 1...
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Why is reading lines from stdin much slower in C++ than Python?

I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
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How to check if character is a letter in Javascript?

I am extracting a character in a Javascript string with: 14 Answers 14 ...
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How to convert byte array to string [duplicate]

I created a byte array with two strings. How do I convert a byte array to string? 4 Answers ...
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Regular expression to get a string between two strings in Javascript

... Regular expression to get a string between two strings in JavaScript The most complete solution that will work in the vast majority of cases is using a capturing group with a lazy dot matching pattern. However, a dot . in JavaScript regex does not matc...
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How do you create a random string that's suitable for a session ID in PostgreSQL?

I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this? ...
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How to get enum value by string or int

How can I get the enum value if I have the enum string or enum int value. eg: If i have an enum as follows: 10 Answers ...
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Proper way to declare custom exceptions in modern Python?

...er standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception. ...
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Why do we need C Unions?

... Here is a trivial example: typedef union { struct { unsigned char byte1; unsigned char byte2; unsigned char byte3; unsigned char byte4; } bytes; unsigned int dword; } HW_Register; HW_Register reg; Then you can access the reg as follows: reg.dword = 0x...
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Can I convert a C# string value to an escaped string literal

In C#, can I convert a string value to a string literal, the way I would see it in code? I would like to replace tabs, newlines, etc. with their escape sequences. ...