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Decimal separator comma (',') with numberDecimal inputType in EditText
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Even better, use char localizedSeparator = DecimalFormatSymbols.getInstance().getDecimalSeparator(); localizedFloatString = localizedFloatString.replace('.', localizedSeparator);
– southerton
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Best way to specify whitespace in a String.Split operation
...yStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page.
If the separator parameter is null or contains no characters, white-space characters are assume...
How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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Concept behind these four lines of tricky C code
... {
m[0] *= 2;
main();
}
else
{
printf((char*) m);
}
}
It recursively calls main() 771 times.
In the beginning, m[0] = 7709179928849219.0, which stands for C++Suc;C. In every call, m[0] gets doubled, to "repair" last two letters. In the last call, m[0] cont...
How to easily map c++ enums to strings
...mes themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to allow
std::map<MyEnum, const char*&g...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...atures and behaviours specified in this annex have one or more undesirable characteristics and in the absence of legacy usage would be removed from this specification. ...
... Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code....
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stringstream, string, and char* conversion confusion
...am.str().c_str() live in memory, and why can't it be assigned to a const char* ?
5 Answers
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Is there a difference between single and double quotes in Java?
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Use single quotes for literal chars, double quotes for literal Strings, like so:
char c = 'a';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
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You can check the currently running transactions with
SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started`
Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL ...