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Best way to serialize an NSData into a hexadeximal string
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Nice, but two suggestions: (1) I think appendFormat is more efficient for large data since it avoids creating an intermediate NSString and (2) %x represents an unsigned int rather than unsigned long, although the difference is harmless.
– svachalek
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How to convert Strings to and from UTF8 byte arrays in Java
...wadays. Windows-1252 and ISO-8859-1 (which are supersets of ASCII) are far more widespread.
– Michael Borgwardt
Oct 9 '09 at 13:26
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]
... Anyone looking for the most up to date version, documentation and more extensive examples of this amazing plugin should go here and fork away: github.com/aehlke/tag-it
– Crisman
Feb 21 '12 at 21:15
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How to output numbers with leading zeros in JavaScript [duplicate]
...; size) s = "0" + s;
return s;
}
Or if you know you'd never be using more than X number of zeros this might be better. This assumes you'd never want more than 10 digits.
function pad(num, size) {
var s = "000000000" + num;
return s.substr(s.length-size);
}
If you care about negative...
How do I tokenize a string in C++?
... std::string::npos, and extract the contents using std::string::substr.
A more fluid (and idiomatic, but basic) version for splitting on whitespace would use a std::istringstream:
auto iss = std::istringstream{"The quick brown fox"};
auto str = std::string{};
while (iss >> str) {
proces...
Test if characters are in a string
...unction
grepl(value, chars, fixed = TRUE)
# TRUE
Use ?grepl to find out more.
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Calculate the median of a billion numbers
...low that value, and (b) resume sending their sorted data from that point.
More generally, there's probably a clever challenge-response guessing game that the control machine can play with the 99 sorting machines.
This involves round-trips between the machines, though, which my simpler first versio...
LINQ - Full Outer Join
...oes. If this is not the route you want to go, I'm not sure I can be of any more help than that.
– Jeff Mercado
Mar 27 '12 at 16:51
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How to get users to read error messages?
...ral error message and to include a checkbox indicating 'Do you wish to see more of these error messages in the future?', the last thing an end-user wants, is to be working in the middle of the software to be bombarded with popup messages, they will get frustrated and will be turned off by the applic...
Fastest way(s) to move the cursor on a terminal command line?
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Since this hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e to open the current line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a reverse history search and ...