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How to get the IP address of the docker host from inside a docker container
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On Phusion basimage (based on ubuntu), I had to change your command a little: ifconfig eth0 | grep -oP 'inet \K\S+'
– Meuoi
Jan 26 at 14:56
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SQL query return data from multiple tables
...CategoryName = 'Comedy' AND
b.CategoryName = 'Romance'
SQLFiddle Demo
which is definitely very wrong because it produces no result. The explanation of this is that there is only one valid value of CategoryName on each row. For instance, the first condition returns true, the second conditi...
Margin-Top not working for span element?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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When NOT to use yield (return) [duplicate]
...d). In release mode at least, Invoking and iterating over the yield result based method is faster.
– Melvyn
Oct 3 '18 at 16:09
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Counter increment in Bash loop not working
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count=0
base=1
(( count += base ))
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Image fingerprint to compare similarity of many images
...://redaktor.me/phasher/demo_js/index.html
Unfortunately this is "bitcount"-based but will recognize rotated images.
Another approach in javascript was to build a luminosity histogram from the image by the help of canvas. You can visualize a polygon histogram on the canvas and compare that polygon in...
What is the type of lambda when deduced with “auto” in C++11?
...unction pointer. When I performed following test, I found it to be wrong ( demo ).
6 Answers
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What is the most efficient way of finding all the factors of a number in Python?
...But it's not really much faster than the reduce version, roughly 4% faster based on my measurements.
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What are naming conventions for MongoDB?
...asz NurkiewiczTomasz Nurkiewicz
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Clearing purchases from iOS in-app purchase sandbox for a test user
...box testing. Depends on the app obviously, but I'm testing a subscription based app that only purchases during sign up at the moment so it's been the easiest solution.
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