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LINQ Aggregate algorithm explained

...6. Then adds 6 and 4 to make 10. Example 2. create a csv from an array of strings var chars = new []{"a","b","c", "d"}; var csv = chars.Aggregate( (a,b) => a + ',' + b); Console.WriteLine(csv); // Output a,b,c,d This works in much the same way. Concatenate a a comma and b to make a,b. Then co...
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What is the difference between const and readonly in C#?

...nforce this. The runtime also happens not to enforce that you don't change string.Empty to "Hello, world!", but I still wouldn't claim that this makes string.Empty modifiable, or that code shouldn't assume that string.Empty will always be a zero-length string. – user743382 ...
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How to convert an entire MySQL database characterset and collation to UTF-8?

...ytes, so MySQL converts the data type to MEDIUMTEXT, which is the smallest string type for which the length bytes can record a value of 196,605. Similarly, a VARCHAR column might be converted to MEDIUMTEXT." Changing the Character Set – jabbascript Oct 21 '19 a...
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Array or List in Java. Which is faster?

I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ? ...
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Does C have a “foreach” loop construct?

... GNU C99. #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdbool.h> #define FOREACH_COMP(INDEX, ARRAY, ARRAY_TYPE, SIZE) \ __extension__ \ ({ \ bool ret = 0; \ if (__builtin_types_compatible_p (const char*, ARRAY_TYPE)) \ ret = INDEX ...
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Why declare a struct that only contains an array in C?

... You can use struct to make a new type of data like string. you can define : struct String { char Char[MAX]; }; or you can create a List of data that you can use it by argument of functions or return it in your methods. The struct is more flexible than an array, because...
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Adding a newline into a string in C#

I have a string. 12 Answers 12 ...
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Generate a Hash from string in Javascript

I need to convert strings to some form of hash. Is this possible in JavaScript? 22 Answers ...
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How do I iterate over the words of a string?

I'm trying to iterate over the words of a string. 79 Answers 79 ...
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How do I create a URL shortener?

... I would continue your "convert number to string" approach. However, you will realize that your proposed algorithm fails if your ID is a prime and greater than 52. Theoretical background You need a Bijective Function f. This is necessary so that you can find a inve...