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What is “rvalue reference for *this”?

... within this heterogeneous set, a member function is considered to have an extra parameter, called the implicit object parameter, which represents the object for which the member function has been called. [...] p3 Similarly, when appropriate, the context can construct an argument list that contains ...
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Can I multiply strings in Java to repeat sequences? [duplicate]

...st way in plain Java with no dependencies is the following one-liner: new String(new char[generation]).replace("\0", "-") Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated. All this does is create an empty string containing n number of 0x00 ch...
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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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Fast permutation -> number -> permutation mapping algorithms

...algorithm is awesome, but I just found several cases to be wrong. Take the string "123"; the 4th permutation should be 231, but according to this algorithm, it will be 312. say 1234, the 4th permutation should be 1342, but it will be mistaken to be "1423". Correct me if I observed wrong. Thanks. ...
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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 use the same C++ code for Android and iOS?

...ves the desired text: #include <iostream> const char *concatenateMyStringWithCppString(const char *myString); And the CPP implementation: #include <string.h> #include "Core.h" const char *CPP_BASE_STRING = "cpp says hello to %s"; const char *concatenateMyStringWithCppString(const ...
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vs vs for inline and block code snippets

...dd the class. Doing it any other way will still be asking the user to type extra. This way the user can think of it as adding a special tag rather than using a completely different structure. – slebetman Jan 9 '11 at 0:19 ...
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How to get the position of a character in Python?

How can I get the position of a character inside a string in python? 9 Answers 9 ...
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How to create a file in Android?

...ing a file... try { // catches IOException below final String TESTSTRING = new String("Hello Android"); /* We have to use the openFileOutput()-method * the ActivityContext provides, to * protect your file from others and * This is done for security-re...
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Code for decoding/encoding a modified base64 URL

... @Kirk: If it adds 3 characters then the base64 string is already corrupt. I guess it would be a good idea to validate the string, it should only contain the characters expected and Length % 4 != 3. – AnthonyWJones Aug 4 '09 at 17:36...