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PostgreSQL array_agg order
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If you are on a PostgreSQL version < 9.0 then:
From: http://www.postgresql.org/docs/8.4/static/functions-aggregate.html
In the current implementation, the order of the input is in principle unspecified. Supplying the input values from a sorted subquery will usually work, however. ...
How to scale Docker containers in production
...ng container clusters.
Update 20
Docker recently bought Tutum:
https://www.docker.com/tutum
Update 21
Package manager for applications deployed on Kubernetes.
http://helm.sh/
Update 22
Vamp is an open source and self-hosted platform for managing (micro)service oriented architectures that re...
MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Subqueries vs joins
http://www.scribd.com/doc/2546837/New-Subquery-Optimizations-In-MySQL-6
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How can I get clickable hyperlinks in AlertDialog from a string resource?
... .setIcon(R.drawable.icon)
.setMessage(Html.fromHtml("<a href=\"http://www.google.com\">Check this link out</a>"))
.create();
d.show();
// Make the textview clickable. Must be called after show()
((TextView)d.findViewById(android.R.id.message)).setMovementMethod(LinkMovementMeth...
make: Nothing to be done for `all'
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Please see the GNU make manual for the rule syntax description: https://www.gnu.org/software/make/manual/make.html#Rule-Syntax
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An algorithm for inflating/deflating (offsetting, buffering) polygons
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In the GIS world one uses negative buffering for this task:
http://www-users.cs.umn.edu/~npramod/enc_pdf.pdf
The JTS library should do this for you. See the documentation for the buffer operation: http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/operation/buffer/package-summary...
Java Desktop application: SWT vs. Swing [closed]
...ke Swing and AWT) but here's the comparison done on SWT/Swing/AWT.
http://www.developer.com/java/other/article.php/10936_2179061_2/Swing-and-SWT-A-Tale-of-Two-Java-GUI-Libraries.htm
And here's the site where you can get tutorial on basically anything on SWT (http://www.java2s.com/Tutorial/Java/028...
Django fix Admin plural
...on (whithout admin sites and admin models) you could just do this;
http://www.the-dig.com/blog/post/customize-plural-name-django-admin/
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Add Text on Image using PIL
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First, you have to download a font type...for example: https://www.wfonts.com/font/microsoft-sans-serif.
After that, use this code to draw the text:
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
img = Image.open("filename.jpg")
draw = ImageDraw.Draw(img)
fo...
Get bitcoin historical data [closed]
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You can find a lot of historical data here: https://www.quandl.com/data/BCHARTS-Bitcoin-Charts-Exchange-Rate-Data
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