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Printing the last column of a line in a file
...ile | awk '/A1/ {print $NF}'
or without tail, showing the last column of all lines containing A1
awk '/A1/ {print $NF}' file
Thanks to @MitchellTracy's comment, tail might miss the record containing A1 and thus you get no output at all. This may be solved by switching tail and awk, searching ...
How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
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so if origin has 1000 branches, you'd a remote branch for all of them?
– Gauthier
Jun 8 '10 at 15:41
4
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Should I use Java's String.format() if performance is important?
We have to build Strings all the time for log output and so on. Over the JDK versions we have learned when to use StringBuffer (many appends, thread safe) and StringBuilder (many appends, non-thread-safe).
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Prevent RequireJS from Caching Required Scripts
RequireJS seems to do something internally that caches required javascript files. If I make a change to one of the required files, I have to rename the file in order for the changes to be applied.
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Fragments within Fragments
I'm wondering if this is actually a bug in the Android API:
6 Answers
6
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Why are interface variables static and final by default?
...ariable. As for the part about final, that doesn't offer an explanation at all - it just describes what final means.
– pyrocrasty
May 9 '16 at 6:34
3
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jQuery selectors on custom data attributes using HTML5
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$("ul[data-group='Companies'] li[data-company='Microsoft']") //Get all elements with data-company="Microsoft" below "Companies"
$("ul[data-group='Companies'] li:not([data-company='Microsoft'])") //get all elements with data-company!="Microsoft" below "Companies"
Look in to jQuery Selector...
Search for string and get count in vi editor
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:g/xxxx/d
This will delete all the lines with pattern, and report how many deleted. Undo to get them back after.
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How can I check if a view is visible or not in Android? [duplicate]
...sible.
View.INVISIBLE
The view is invisible, but any spacing it would normally take up will still be used. Its "invisible"
View.GONE
The view is gone, you can't see it and it doesn't take up the "spot".
So to answer your question, you're looking for:
if (myImageView.getVisibility() == View.VISIB...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
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be active processing tasks. If
additional tasks are submitted when
all threads are active, they will wait
in the queue until a thread is
available. If any thread terminates
due to a failure during execution
prior to shutdown, a new one will take
its place if needed to execute
sub...