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Why would one omit the close tag?

...hp closing tag (?>) is so that the programmer doesn't accidentally send extra newline chars. The reason you shouldn't leave off the php closing tag is because it causes an imbalance in the php tags and any programmer with half a mind can remember to not add extra white-space. So for your questi...
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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 can I convert tabs to spaces in every file of a directory?

... DO NOT USE SED! If there's an embedded tab in a string, you may end up mangling your code. This is what expand command was meant to handle. Use expand. – David W. Nov 12 '13 at 17:11 ...
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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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Variable declaration placement in C

...ation and initialization of a C++ local object then you pay the cost of an extra constructor for nothing. If the no-arg constructor does not exist then again you are not even allowed to separate both! C99 starts to move C in this same direction. If you are worried of not finding where local varia...
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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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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 ...