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Best implementation for hashCode method for a collection
...has only one multiplier, while non-prime has at least two. That creates an extra combination for multiplication operator to result the same hash, i.e. cause collision.
– dma_k
Feb 15 '13 at 14:08
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
Is use of string.IsNullOrEmpty(string) when checking a string considered as bad practice when there is string.IsNullOrWhiteSpace(string) in .NET 4.0 and above?
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How to insert a value that contains an apostrophe (single quote)?
...ote, is a special character in SQL that specifies the beginning and end of string data. This means that to use it as part of your literal string data you need to escape the special character. With a single quote this is typically accomplished by doubling your quote. (Two single quote characters, not...
Convert HashBytes to VarChar
I want to get the MD5 Hash of a string value in SQL Server 2005. I do this with the following command:
7 Answers
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C++ SFINAE examples?
... a class or not:
int main(void) {
std::cout << IsClassT<std::string>::value << std::endl; // true
std::cout << IsClassT<int>::value << std::endl; // false
return 0;
}
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Getting the closest string match
I need a way to compare multiple strings to a test string and return the string that closely resembles it:
12 Answers
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Is short-circuiting logical operators mandated? And evaluation order?
...nt after the evaluation of the first expression (12).
In C++ there is an extra trap: short-circuiting does NOT apply to types that overload operators || and &&.
Footnote 12: The operators indicated in this paragraph are the built-in operators, as described in clause 5. When one of thes...
Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
14 Answers
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Android: Share plain text using intent (to all messaging apps)
...ION_SEND);
/*This will be the actual content you wish you share.*/
String shareBody = "Here is the share content body";
/*The type of the content is text, obviously.*/
intent.setType("text/plain");
/*Applying information Subject and Body.*/
intent.putExtra(android.content.Int...
How much is too much with C++11 auto keyword?
...se auto everywhere you can". Does this mean I should write auto str = std::string(); instead of std::string str;?
– Calmarius
Mar 23 '19 at 18:42
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