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Read a variable in bash with a default value
... answered Apr 15 '10 at 3:45
ghostdog74ghostdog74
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how to use sed, awk, or gawk to print only what is matched?
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My sed (Mac OS X) didn't work with +. I tried * instead and I added p tag for printing match:
sed -n 's/^.*abc\([0-9]*\)xyz.*$/\1/p' example.txt
For matching at least one numeric character without +, I would use:
sed -n 's/^.*abc\([0...
Gridview height gets cut
...int.
// View.MEASURED_SIZE_MASK represents the largest height possible.
int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK,
MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
ViewGroup.LayoutParams pa...
Playing .mp3 and .wav in Java?
...de:
String bip = "bip.mp3";
Media hit = new Media(new File(bip).toURI().toString());
MediaPlayer mediaPlayer = new MediaPlayer(hit);
mediaPlayer.play();
You will need the following import statements:
import java.io.File;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
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Adding a simple UIAlertView
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Other answers already provide information for iOS 7 and older, however UIAlertView is deprecated in iOS 8.
In iOS 8+ you should use UIAlertController. It is a replacement for both UIAlertView and UIActionSheet. Documentation: UIAlertController Class Reference. And a nice...
demystify Flask app.secret_key
...entations will be a bit more involved. Also, keep in mind that Flask does most of this for you in the background. So, besides setting values to your cookie (via the session API) and providing a SECRET_KEY, it's not only ill-advised to reimplement this yourself, but there's no need to do so:
A poor ...
Load image from url
...n a separate thread, When bitmap has been loaded, you could use ImageView.post() or Handler.post()
– Volodymyr Shalashenko
Jun 6 '17 at 11:43
add a comment
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How can I check if an ip is in a network in Python?
...7.1.1', '172.3.0.0/16') -> True (I converted 'L' to '<L' in my 64bit os)
– Taha Jahangir
Feb 10 '12 at 5:01
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UltiSnips and YouCompleteMe
...hould be the best answer, simple and straight, although in my macvim on macOS 10.12, <c-j> doesn't work, I change it to <c-k>, then everything works just fine. <tab> forward, <s-tab> backward, <c-k> expand the snippet. Thanks
– gpanda
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How to unzip a list of tuples into individual lists? [duplicate]
... function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen to correspond nicely with the columns, or the transposition of l.
zip() produces tuples; if you must have mutable list objects, just map() the tuples to lists or use a list comprehension to produce a list of lists...