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How do you match only valid roman numerals with a regular expression?
... numeral letter). Should work in PCRE, Perl, Python and Ruby.
Online Ruby demo: http://rubular.com/r/KLPR1zq3Hj
Online Conversion: http://www.onlineconversion.com/roman_numerals_advanced.htm
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int to hex string
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to get terminal's Character Encoding
...is is what worked for me on a CentOS system. It showed the system encoding based upon current language settings. The terminal settings used to get to that machine are a different story and a function of the client being used.
– Phil DD
Apr 6 '18 at 17:15
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Most efficient way to store thousand telephone numbers
...wer would prefer the answer "a trie" instead of "a complex custom made database". If you want to show of your 133t hacking skills, you can add - "it would be possible to make a specific tree algorithm for this special case, if neccesary."
– KarlP
Oct 21 '11 at ...
Do I have to Close() a SQLConnection before it gets disposed?
...oup = null;
this.Close();
}
this.DisposeMe(disposing);
base.Dispose(disposing);
}
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How to get a specific “commit” of a gem from github?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to interpret API documentation function parameters?
...rmat link is dead -- anyone have a replacement link? @PenguinCoder Update: Based on [unix.stackexchange.com/questions/17833/… (Unix Stack Exchange), It is loosely based on [en.wikipedia.org/wiki/Extended_Backus%E2%80%93Naur_Form( EBNF)
– steviejay
Jun 4 '16 ...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...d with the shared secret. This salt value should be stored in a local database of pending queries, and should have a timestamp associated with it so that it can "expire" after perhaps one minute.
The flash game combines the salt value with the shared secret and calculates a hash to verify that this...
List of encodings that Node.js supports
...The list of encodings that node supports natively is rather short:
ascii
base64
hex
ucs2/ucs-2/utf16le/utf-16le
utf8/utf-8
binary/latin1 (ISO8859-1, latin1 only in node 6.4.0+)
If you are using an older version than 6.4.0, or don't want to deal with non-Unicode encodings, you can recode the stri...
Is effective C++ still effective?
...contain different examples, e.g., ones making use of auto variables, range-based for loops, in-class default initializers, as well as the occasional variadic template. To the extent that this book falls short in its support for C++0x, the errors are those of omission, not commission.
UPDATE: the n...