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Android Drawing Separator/Divider Line in Layout?
I would like to draw a line right in the middle of a layout and use it as a separator of other items like TextView. Is there a good widget for this. I don't really want to use an image as it would be hard to match the other components to it. And I want it to be relatively positioned as well. Than...
Extract a dplyr tbl column as a vector
... to get one column of a dplyr tbl as a vector, from a tbl with database back-end (i.e. the data frame/table can't be subset directly)?
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jQuery - setting the selected value of a select control via its text description
...;/option>
</select>
Note that while this approach will work in versions that are above 1.6 but less than 1.9, it has been deprecated since 1.6. It will not work in jQuery 1.9+.
Previous versions
val() should handle both cases.
$('select').val('1'); // selects "Two"
$('sele...
Android SDK on a 64-bit linux machine
Is it possible to develop using the Android SDK on a 64-bit linux machine. The available SDK downloads seem to be just for 32-bit versions of Linux.
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How to distinguish mouse “click” and “drag”
I use jQuery.click to handle the mouse click event on Raphael graph, meanwhile, I need to handle mouse drag event, mouse drag consists of mousedown , mouseup and mousemove in Raphael.
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Difference Between Schema / Database in MySQL
...physically, a schema is synonymous with a database. You can substitute the keyword SCHEMA instead of DATABASE in MySQL SQL syntax, for example using CREATE SCHEMA instead of CREATE DATABASE.
Some other database products draw a distinction. For example, in the Oracle Database product, a schema r...
Is System.nanoTime() completely useless?
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This answer was written in 2011 from the point of view of what the Sun JDK of the time running on operating systems of the time actually did. That was a long time ago! leventov's answer offers a more up-to-date perspective.
That post is wrong, and nanoTime is safe. There's a comment on the post w...
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
...tuff from one mysql server to a sql server but i can't figure out how to make this code work:
11 Answers
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Prevent browser from loading a drag-and-dropped file
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How do I URL encode a string
...Unfortunately, stringByAddingPercentEscapesUsingEncoding doesn't always work 100%. It encodes non-URL characters but leaves the reserved characters (like slash / and ampersand &) alone. Apparently this is a bug that Apple is aware of, but since they have not fixed it yet, I have been using thi...