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Ruby combining an array into one string
...123?
– stevenspiel
Dec 9 '13 at 19:08
3
@mr.musicman join works with enumerables of anything that...
Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
...ew BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options);
selected_photo.setImageBitmap(bitmap);
or
http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html
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How to use ADB to send touch events to device using sendevent command?
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answered Mar 22 '11 at 14:08
user643154user643154
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instanceof Vs getClass( )
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Stephen CStephen C
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How to pass argument to Makefile from command line?
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lesmana
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answered Jun 8 '11 at 3:13
BetaBeta
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What does the arrow operator, '->', do in Java?
...part of the syntax of the new lambda expressions, to be introduced in Java 8. There are a couple of online tutorials to get the hang of it, here's a link to one. Basically, the -> separates the parameters (left-side) from the implementation (right side).
The general syntax for using lambda expres...
URL encode sees “&” (ampersand) as “&” HTML entity
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Nick Craver♦Nick Craver
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Redirect to Action in another controller
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answered May 28 '12 at 13:13
Rory McCrossanRory McCrossan
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Small Haskell program compiled with GHC into huge binary
... try
$ du -hs A
13M A
$ file A
A: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.27, not stripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fb21...
How do I sort an array of hashes by a value in the hash?
...or in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
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