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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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What does .class mean in Java?

.... object.getClass() returns the class of the given object. For example: String string = "hello"; System.out.println(string.getClass().toString()); This will output: class java.lang.String This is the class of the string object :) ...
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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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When would anyone use a union? Is it a remnant from the C-only days?

...tions in the world now use just this technique for implementing the "small string optimization," a great optimization alternative that reuses the storage inside a string object itself: for large strings, space inside the string object stores the usual pointer to the dynamically allocated buffer and ...
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How do I URL encode a string

I have a URL string ( NSString ) with spaces and & characters. How do I url encode the entire string (including the & ampersand character and spaces)? ...
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Is this a “good enough” random algorithm; why isn't it used if it's faster?

...import java.util.Arrays; public class Test { public static void main(String[] args) throws Exception { QuickRandom qr = new QuickRandom(); int[] frequencies = new int[10]; for (int i = 0; i < 100000; i++) { frequencies[(int) (qr.random() * 10)]++; ...
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What is the best way to test for an empty string in Go?

Which method is best (more idomatic) for testing non-empty strings (in Go)? 10 Answers ...
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What does the explicit keyword mean?

...cidental construction that can hide bugs. Contrived example: You have a MyString(int size) class with a constructor that constructs a string of the given size. You have a function print(const MyString&), and you call print(3) (when you actually intended to call print("3")). You expect it to p...
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Remove non-utf8 characters from string

Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation) ...
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Generating random strings with T-SQL

If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it? ...