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How to remove the lines which appear on file B from another file A?
...-to-remove> <all-lines>
works on non-sorted files
maintains the order
is POSIX
Example:
cat <<EOF > A
b
1
a
0
01
b
1
EOF
cat <<EOF > B
0
1
EOF
grep -Fvxf B A
Output:
b
a
01
b
Explanation:
-F: use literal strings instead of the default BRE
-x: only consider ma...
Check whether user has a Chrome extension installed
.... Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension.
– Lounge9
Jan 6 '14 at 20:42
...
How can I find out what FOREIGN KEY constraint references a table in SQL Server?
...MN_USAGE kcu
ON kcu.CONSTRAINT_NAME = rc.UNIQUE_CONSTRAINT_NAME
ORDER BY ccu.table_name
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How to unmount a busy device
...One nuance, if you are logged in through FTP client, you have to logout in order to successfully unmount folder.
– Alexander Kim
Oct 22 '14 at 16:47
...
Mockito: Trying to spy on method is calling the original method
...ing Mockito 2.0, I had to change all the any() parameters to nullable() in order to stub the real call.
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How do I make Vim do normal (Bash-like) tab completion for file names?
...ide a list with the same elements, and they may just appear in a different order.
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C/C++ check if one bit is set in, i.e. int variable
...:
However, bit members in structs have practical drawbacks. First, the ordering of bits in memory is architecture dependent and memory padding rules varies from compiler to compiler. In addition, many popular compilers generate inefficient code for reading and writing bit members, and there are ...
What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
...ppy:
I'm a noob to android coding, and I'm not the greatest java fan.
In order to avoid the deprecated warning and to force Eclipse to allow me to compile I had to resort to annotations, but these seem to affect only classes or methods, so I had to move the code onto two new methods to take advant...
How to show particular image as thumbnail while implementing share on Facebook?
... that facebook does do some caching with regard to this information, so in order for changes to take effect your page will have t be scraped as stated in the documentation :
Editing Meta Tags
You can update the attributes of your page by updating your page's
tags. Note that og:title an...
What does java.lang.Thread.interrupt() do?
...ava is not pre-emptive. Put another way both threads have to cooperate in order to process the interrupt properly. If the target thread does not poll the interrupted status the interrupt is effectively ignored.
Polling occurs via the Thread.interrupted() method which returns the current thread's ...