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What is “2's Complement”?
...ur binary number would really be 00001111or 0 × 27 + 0 × 26 + 0 × 25 + 0 × 24 + 1 × 23 + 1 × 22 + 1 × 21 + 1 × 20
To form the 2's complement negative, we first complement all the (binary) digits to form 11110000and add 1 to form 11110001but how are we to understand that to mea...
std::string formatting like sprintf
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Doug T.Doug T.
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Significant new inventions in computing since 1980
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edited Apr 25 '09 at 22:17
community wiki
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
..., you can see how the word café has been encoded in either "UTF-8" or "Cp1252" encoding depending on the terminal type. In both examples, caf is just regular ascii. In UTF-8, é is encoded using two bytes. In "Cp1252", é is 0xE9 (which is also happens to be the Unicode point value (it's no coincid...
How do I iterate over an NSArray?
...loop operation ... }
– nielsbot
Jan 25 '13 at 6:41
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The case against checked exceptions
...e);
– Esko Luontola
Mar 6 '09 at 11:25
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I disagree. Exceptions, checked or not, are exceptional ...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
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James AndersonJames Anderson
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How does OAuth 2 protect against things like replay attacks using the Security Token?
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Luis PerezLuis Perez
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asynchronous vs non-blocking
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artm
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answered Apr 12 '10 at 21:24
Daniel EarwickerDaniel Earwicker
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How to use concerns in Rails 4
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answered Feb 25 '13 at 22:50
yagooaryagooar
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