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Convert decimal to hexadecimal in UNIX shell script
...echo "obase=16; 34" | bc
If you want to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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follo...
How do I autoindent in Netbeans?
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Tried it with a minified file (all code on one line) and won't indent anything: the whole file stays on one line.
– Marco Marsala
May 12 '16 at 6:27
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Proper usage of Optional.ifPresent()
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Which code? The one you should use is the second one, which calls the instance (i.e. non-static) method doSomethingWithUser(). I don't see how it's cluttered. The last code is there to explain you the equivalent of the lambda in a pre-lambda...
How can I open several files at once in Vim?
...nswered Dec 2 '13 at 4:37
rogue-onerogue-one
9,51766 gold badges4141 silver badges5656 bronze badges
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What's the best way to inverse sort in scala?
...ome numeric value
list.sortBy(- _.size)
More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below)
You can do
list.sorted(theOrdering.reverse)
If the ordering you want to reverse is the i...
How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
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Same issue as @Elliot here. Can be fixed by setting the (one-sided) ylim/xlim after ploting the values.
– fabianfuchs
Mar 30 '15 at 16:13
6
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Populating spinner directly in the layout xml
...xml define:
<string-array name="array_name">
<item>Array Item One</item>
<item>Array Item Two</item>
<item>Array Item Three</item>
</string-array>
In your layout:
<Spinner
android:id="@+id/spinner"
android:layout_width="fill_par...
Get element from within an iFrame
...at more than ternary operators. They seem to not know that the first valid one is returned.
– geowa4
Jul 6 '09 at 18:44
5
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A cron job for rails: best practices?
...puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and answer! Some new info:
t...
How Scalable is SQLite? [closed]
...uite slowly. This is because the entire database was locked every time someone viewed the page because it contained updates/inserts. I soon switched to MySQL and while I haven't had much time to test it out, it seems much more scaleable than SQLite. I just remember slow page loads and occasionally g...