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:: (double colon) operator in Java 8
I was exploring the Java 8 source and found this particular part of code very surprising:
17 Answers
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How do I use a compound drawable instead of a LinearLayout that contains an ImageView and a TextView
.... It came up with a lot of good suggestions, but this one I cannot understand.
4 Answers
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Undo scaffolding in Rails
Is there any way to 'undo' the effects of a scaffold command in Rails?
24 Answers
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Undock Chrome Developer Tools
...the red circle around it, is undock)
For older version of Chrome, press and hold the corner button
You can also undock/dock-to-left/dock-to-right/dock-to-bottom from the Command Menu. Press Cmd+Shift+P (Mac) or Cmd+Shift+P (Windows, Linux, Chrome OS) to open the Command Menu, then start typing...
Delete all rows in an HTML table
...lete all rows of an HTML table except the <th> 's using Javascript, and without looping through all the rows in the table? I have a very huge table and I don't want to freeze the UI while I'm looping through the rows to delete them
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How and where are Annotations used in Java?
...n be used to describe other meta-objects. Meta-objects are classes, fields and methods. Asking an object for its meta-object (e.g. anObj.getClass() ) is called introspection. The introspection can go further and we can ask a meta-object what are its annotations (e.g. aClass.getAnnotations). Introspe...
Add up a column of numbers at the Unix shell
..... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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Adding header for HttpURLConnection
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I have used the following code in the past and it had worked with basic authentication enabled in TomCat:
URL myURL = new URL(serviceURL);
HttpURLConnection myURLConnection = (HttpURLConnection)myURL.openConnection();
String userCredentials = "username:password";
St...
Modify alpha opacity of LESS variable
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I was looking for the darken and lighten .. Docs got me there. Thanks
– user1752532
Apr 8 '14 at 13:05
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Why does Math.Floor(Double) return a value of type Double?
I need to get the left hand side integer value from a decimal or double. For Ex: I need to get the value 4 from 4.6. I tried using Math.Floor function but it's returning a double value, for ex: It's returning 4.0 from 4.6. The MSDN documentation says that it returns an integer value. Am I missing so...