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How to output only captured groups with sed?
...z" | sed 's/^foo\(.*\)baz$/\1/'
will output "bar". If you use -r (-E for OS X) for extended regex, you don't need to escape the parentheses:
echo "foobarbaz" | sed -r 's/^foo(.*)baz$/\1/'
There can be up to 9 capture groups and their back references. The back references are numbered in the orde...
Download the Android SDK components for offline install
Is it possible to download the Android SDK components for offline install without using the SDK Manager?
The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception)
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Are there any smart cases of runtime code modification?
...ardware Software Tradeoffs for Bitmap Graphics on the Blit (1984) or this posting (2006) by Chris Lattner on Apple's use of LLVM for runtime code specialization in their OpenGL stack.
In some cases software resorts to a technique known as trampoline which involves the dynamic creation of code on the...
Developing GUIs in Python: Tkinter vs PyQt [closed]
... apps like that.
– Bryan Oakley
May 27 '11 at 12:51
2
Thanks Bryan for feedback. This answer was ...
C# - How to get Program Files (x86) on Windows 64 bit
...4BitOperatingSystem or Environment.Is64BitProcess?
– osvein
Dec 28 '13 at 19:49
8
@anustart This ...
Copy paste text into iOS simulator
...Strange but works...
– brigadir
Nov 27 '15 at 16:13
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Using a piano keyboard as a computer keyboard [closed]
...sound (no pun).
MIDI is a stream of "events" (or "messages"), two of the most fundamental being "note on" and "note off" which carry with them the note number (0 = C five octaves below middle C, through 127 = G five octaves above the G above middle C, in semi-tones). These events carry a "velocity"...
How do I get the directory that a program is running from?
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answered Sep 27 '08 at 7:23
Thorsten79Thorsten79
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Proper use of beginBackgroundTaskWithExpirationHandler
...nd.
– Ashley Mills
Apr 25 '12 at 16:27
1
do we need to do anything in applicationDidEnterBackgrou...
asynchronous vs non-blocking
...l Earwicker
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