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C++ templates that accept only certain types
...le parenthesis is necessary is that BOOST_STATIC_ASSERT is a macro and the extra parenthesis prevent the preprocessor from interpreting the comma within the is_base_of function arguments as a 2nd macro argument.
– jfritz42
Aug 13 '15 at 19:29
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Haskell: Lists, Arrays, Vectors, Sequences
... up performance tends to come from [Char] which the prelude has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there are other sequence oriented libraries I'm not t...
Reserved keywords in JavaScript
...s a browser and language version agnostic way to determine if a particular string is treated as a keyword by the JavaScript engine. Credits to this answer which provides the core of the solution.
function isReservedKeyword(wordToCheck) {
var reservedWord = false;
if (/^[a-z]+$/.test(wordToC...
URL encoding in Android
...ode the entire URL, only parts of it that come from "unreliable sources".
String query = URLEncoder.encode("apples oranges", "utf-8");
String url = "http://stackoverflow.com/search?q=" + query;
Alternatively, you can use Strings.urlEncode(String str) of DroidParts that doesn't throw checked excep...
mfc110d.dll!ATL::CSimpleStringT::~CSimpleStringT() 行 291 - 更多技术 -...
...ATL::CStringData::Release() 行 118 C++
mfc110d.dll!ATL::CSimpleStringT<char,1>::~CSimpleStringT<char,1>() 行 291 C++
mfc110d.dll!ATL::CStringT<char,StrTraitMFC_DLL<char,ATL::ChTraitsCRT<char> > >::~CStringT<char,StrTraitMFC_DLL<char,ATL::ChTraitsCRT<char> > >() 行 1241 C++
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
What is meant by String Pool ? And what is the difference between the following declarations:
5 Answers
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Listing all permutations of a string/integer
...ming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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Converting String to “Character” array in Java
I want to convert a String to an array of objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of C...
How can I check if a single character appears in a string?
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You can use string.indexOf('a').
If the char a is present in string :
it returns the the index of the first occurrence of the character in
the character sequence represented by this object, or -1 if the
character does not occur...
Convert character to ASCII numeric value in java
I have String name = "admin";
then I do String charValue = name.substring(0,1); //charValue="a"
22 Answers
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