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How can I combine two HashMap objects containing the same types?
... edited Aug 2 '16 at 20:51
Andrew Tobilko
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answered Nov 28 '10 at 23:26
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Meaning of $? (dollar question mark) in shell scripts
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This is the exit status of the last executed command.
For example the command true always returns a status of 0 and false always returns a status of 1:
true
echo $? # echoes 0
false
echo $? # echoes 1
From the manual: (acessible by calling man bash in your shell)
$?...
find: missing argument to -exec
I was helped out today with a command, but it doesn't seem to be working. This is the command:
10 Answers
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Is there a limit to the length of HTML attributes?
... So the answer should be "unlimited" then?
– Anders Lindén
Aug 11 '15 at 14:41
2
Thank y...
Conveniently map between enum and int / String
...t(byte num) {
return map.get(num);
}
}
This solution is nice and doesn't require 'fiddling with reflection' because it's based on the fact that all enum types implicitly inherit the Enum interface.
share
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File I/O in Every Programming Language [closed]
...the file.
Therefore, the invokation of readlines() results in reading each and every line of the file.
In that particular case it's fine to use readlines() because we have to read the entire file anyway (we want its last line).
But if our file contains many lines and we just want to print its nth li...
How to loop through a directory recursively to delete files with certain extensions
I need to loop through a directory recursively and remove all files with extension .pdf and .doc . I'm managing to loop through a directory recursively but not managing to filter the files with the above mentioned file extensions.
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iphone/ipad: How exactly use NSAttributedString?
Yes, many people are saying about Rich Text in iPhone/iPad and many knows about NSAttributedString .
9 Answers
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SQL Server: Difference between PARTITION BY and GROUP BY
...A group by normally reduces the number of rows returned by rolling them up and calculating averages or sums for each row. partition by does not affect the number of rows returned, but it changes how a window function's result is calculated.
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Import file size limit in PHPMyAdmin
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Hehe - I checked php.ini in use via and I restarted the server. I changed the settings via Zend Server - checked the phpinfo again, and the changes are there - but no effect on the phpMyAdmin form - when trying to import data/structure with a SQL file, I'm stil...