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Best way to track onchange as-you-type in input type=“text”?
...e', inputHandler); // for IE8
// Firefox/Edge18-/IE9+ don’t fire on <select><option>
// source.addEventListener('change', inputHandler);
<input id="source">
<div id="result"></div>
...
Generic type parameter naming convention for Java (with multiple chars)?
...rfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable.
5 Answ...
How to persist a property of type List in JPA?
...<List<String>, String> {
private static final String SPLIT_CHAR = ";";
@Override
public String convertToDatabaseColumn(List<String> stringList) {
return String.join(SPLIT_CHAR, stringList);
}
@Override
public List<String> convertToEntityAttri...
How many characters can UTF-8 encode?
...s 8 bits, does it not mean that there can be only maximum of 256 different characters?
10 Answers
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Regex doesn't work in String.matches()
...wercase letters, you can use .matches(), but you need to match one or more characters: append a + to your character class, as in [a-z]+. Or use ^[a-z]+$ and .find().
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C/C++ check if one bit is set in, i.e. int variable
...
What the selected answer is doing is actually wrong. The below function will return the bit position or 0 depending on if the bit is actually enabled. This is not what the poster was asking for.
#define CHECK_BIT(var,pos) ((var) &...
How do I wrap text in a pre tag?
...de wont get word-wrapped in the middle of a path or something.
Easier to select text range in a text area too if you want to copy to clipboard.
The following is a php excerpt so if your not in php then the way you pack the html special chars will vary.
<textarea style="font-family:monospace;"...
What are allowed characters in cookies?
What are the allowed characters in both cookie name and value? Are they same as URL or some common subset?
13 Answers
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
......
}
}
const_cast :
// *Passwd declared as a const
const unsigned char *Passwd
// on some situation it require to remove its constness
const_cast<unsigned char*>(Passwd)
reinterpret_cast :
typedef unsigned short uint16;
// Read Bytes returns that 2 bytes got read.
bool ByteBu...
How to store arrays in MySQL?
... retrieve a person and all of their fruit you can do something like this:
SELECT p.*, f.*
FROM person p
INNER JOIN person_fruit pf
ON pf.person_id = p.id
INNER JOIN fruits f
ON f.fruit_name = pf.fruit_name
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