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What is %2C in a URL?
...# | 43 | C | 63 | c |
| 04 | EOT | 24 | $ | 44 | D | 64 | d |
| 05 | ENQ | 25 | % | 45 | E | 65 | e |
| 06 | ACK | 26 | & | 46 | F | 66 | f |
| 07 | BEL | 27 | ' | 47 | G | 67 | g |
| 08 | BS | 28 | ( | 48 | H | 68 | h |
| 09 | TAB | 29 | ) | 49 | I | 69 |...
In Bash, how to add “Are you sure [Y/n]” to any command or alias?
...something_else
fi
Note: If $response is an empty string, it will give an error. To fix, simply add quotation marks: "$response". – Always use double quotes in variables containing strings (e.g.: prefer to use "$@" instead $@).
Or, Bash 4.x:
read -r -p "Are you sure? [y/N] " response
response=$...
How to convert a std::string to const char* or char*?
...ntrol'
Con
Requires string copy
Maximum liability / susceptibility for errors
Complex
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Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
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What is 'Pattern Matching' in functional languages?
...
head :: List a -> a
-- An empty list has no first item, so we raise an error.
head Nil = error "empty list"
-- If we are given a `Cons`, we only want the first part; that's the list's head.
head (Cons h _) = h
Since List a values can be of two different kinds, we need to handle each one...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
..., the main table's field values are overriden with the joinedtable values. Error prone, frustrating and a violation of DRY when having to manually specify the table fields with aliases over and over...
Here is a PHP (Wordpress) function to achieve this through code generation together with an examp...
Linux/Unix command to determine if process is running?
...nd non-zero if it isn't. The POSIX spec says that ps must exit >0 if an error has occurred but it is unclear to me what constitutes 'an error'. Therefore I'm not personally using that strategy although I'm pretty sure it will work as well on all Unix/Linux platforms.
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How do I iterate through each element in an n-dimensional matrix in MATLAB?
...ay(:)',
element = element + idx;
end
UPD. tnx @rayryeng for detected error in last answer
Disclaimer
The timing information that this post has referenced is incorrect and inaccurate due to a fundamental typo that was made (see comments stream below as well as the edit history - specificall...
Why no generics in Go?
...mation gets lost. A cast will not help much because you will get a runtime error.
– Ian
Sep 4 '13 at 20:16
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