enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Null (SQL) - Wikipedia

    en.wikipedia.org/wiki/Null_(SQL)

    These mistakes are usually the result of confusion between Null and either 0 (zero) or an empty string (a string value with a length of zero, represented in SQL as ''). Null is defined by the SQL standard as different from both an empty string and the numerical value 0, however. While Null indicates the absence of any value, the empty string ...

  3. NaN - Wikipedia

    en.wikipedia.org/wiki/NaN

    Using a limited amount of NaN representations allows the system to use other possible NaN values for non-arithmetic purposes, the most important being "NaN-boxing", i.e. using the payload for arbitrary data. [23] (This concept of "canonical NaN" is not the same as the concept of a "canonical encoding" in IEEE 754.)

  4. A Killer Paradox - Wikipedia

    en.wikipedia.org/wiki/A_Killer_Paradox

    Nan-gam's father and a former detective at Daejeon Northern Police Station. Yang Mal-bok as Nan-gam's mother [4] Oh Hye-won as Lee Yoo-jeong [12] A profiler at the Daejeon Metropolitan Police Department who is known for her sharp analytical skills and beauty. Park Kyung-geun as Chief of the Criminal Division at Daejeon Northern Police Station [4]

  5. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.