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getting the screen density programmatically in android?
... screen size. So the metrics.densityDpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi).
If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical dens...
How to change the docker image installation directory?
...
Yes, change this line to DOCKER_OPTS="-dns 8.8.8.8 -dns 8.8.4.4 -g /mnt"
– mbarthelemy
Jun 23 '14 at 17:05
6
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How do you implement a private setter when using an interface?
...Foo { get; private set; } // private
public int Foo
{
get { return _foo; } // no setter
}
public void Poop(); // this member also not part of interface
Setter is not part of interface, so it cannot be called via your interface:
IBar bar = new Bar();
bar.Foo = 42; // will not work thu...
Rails Observer Alternatives for 4.0
With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...
NPM global install “cannot find module”
...
For anyone else running into this, I had this problem due to my npm installing into a location that's not on my NODE_PATH.
[root@uberneek ~]# which npm
/opt/bin/npm
[root@uberneek ~]# which node
/opt/bin/node
[root@uberneek ~]# echo $NODE_PATH
My NODE_PATH was empty, and running npm install --...
How to convert byte array to Bitmap
...itmap bmp = Bitmap.createBitmap(imageWidth, imageHeight, Bitmap.Config.ARGB_8888);
ByteBuffer buffer = ByteBuffer.wrap(bitmapdata);
bmp.copyPixelsFromBuffer(buffer);
Check https://developer.android.com/reference/android/graphics/Bitmap.Config.html for different color options
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Using Kafka as a (CQRS) Eventstore. Good idea?
...an event store however to quote their intro:
The Kafka cluster retains all published messages—whether or not they
have been consumed—for a configurable period of time. For example if
the retention is set for two days, then for the two days after a
message is published it is available f...
How are msys, msys2, and msysgit related to each other?
...though it does that very well). It has a software building infrastructure called makepkg that allows the creation of recipes (PKGBUILD and patch files) for building software.
IMHO, the adoption of Pacman changes things significantly for open source development on Windows. Instead of everyone hackin...
Display image as grayscale using matplotlib
...If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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read.csv warning 'EOF within quoted string' prevents complete reading of file
...ce and Inductive Confirmation\t" "Sound and Sense in Cath Almaine\t" "Oak Galls Preserved by the Eruption of Mount Vesuvius in A.D. 79_ and Their Probable Use\t" "The Arts Four Thousand Years Ago\t" ...
## $ title : chr "Bruce D. Smith\t" "Tomás Ó Cathasaigh\t" "Hiram G. Larew\t" "\t" ......