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What is the difference between String.slice and String.substring?
...If start equals stop: returns an empty string
If stop is omitted: extracts characters to the end of the string
If either argument is greater than the string's length, the string's length will be used instead.
Distinctions of substring():
If start > stop, then substring will swap those 2 argum...
Strip Leading and Trailing Spaces From Java String
... answered Jul 11 '11 at 15:40
Richard HRichard H
32.9k3333 gold badges101101 silver badges130130 bronze badges
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Best implementation for hashCode method for a collection
...he field f is a boolean:
calculate (f ? 0 : 1);
If the field f is a byte, char, short or int: calculate (int)f;
If the field f is a long: calculate (int)(f ^ (f >>> 32));
If the field f is a float: calculate Float.floatToIntBits(f);
If the field f is a double: calculate Double.doubleToLong...
Why does changing the returned variable in a finally block not change the return value?
...le s", you set s to refer to the inlined String, not altering the inherent char buffer of the s object to change to "override variable s".
You put a reference to the s on the stack to return to the calling code. Afterwards (when the finally block runs), altering the reference should not do anything ...
Safe characters for friendly url [closed]
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To quote section 2.3 of RFC 3986:
"Characters that are allowed in a URI but do not have a reserved
purpose are called unreserved. These include uppercase and lowercase
letters, decimal digits, hyphen, period, underscore, and tilde."
ALPHA DIGIT "-" /...
Salting Your Password: Best Practices?
...mantics. Pick a different salt per password, a long salt, and include odd characters in it like symbols and ASCII codes: ©¤¡
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How to get the client IP address in PHP [duplicate]
...the IP to a database as a string, make sure you have space for at least 45 characters. IPv6 is here to stay and those addresses are larger than the older IPv4 addresses.
(Note that IPv6 usually uses 39 characters at most but there is also a special IPv6 notation for IPv4 addresses which in its full...
Using boolean values in C
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Why use int for bool? That's wasteful. Use unsigned char. Or use C's builtin _Bool.
– user12211554
May 19 at 21:30
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Regex Email validation
...he new TLD's that are being issued, as you can have TLD's with more than 3 characters now.
– AaronLS
Jul 22 '13 at 19:04
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Get contentEditable caret index position
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@Richard: Well, keyup is likely to be the wrong event for this but is what was used in the original question. getCaretPosition() itself is fine within its own limitations.
– Tim Down
Aug 20...