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Installing Java 7 on Ubuntu
...ind a paywall. Also, OpenJDK has grown up and is a more viable alternative nowadays.
In Ubuntu 16.04 and higher, Java 7 is no longer available. Usually you're best off installing Java 8 (or 9) instead.
sudo apt-get install openjdk-8-jre
or, f you also want the compiler, get the jdk:
sudo apt-...
What algorithm gives suggestions in a spell checker?
...n distance is not exactly the right edit distance for a spell checker. It knows only insertion, deletion and substitution. Transposition is missing and produces 2 for a transposition of 1 character (it's 1 delete and 1 insertion). Damerau–Levenshtein distance is the right edit distance.
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Two versions of python on linux. how to make 2.7 the default
..., or put it in your ~/.bashrc if you want the change to be persistent, and now when you type python it runs your chosen 2.7, but when some program on your system tries to run a script with /usr/bin/env python it runs the standard 2.6.
Alternatively, just create a virtual environment out of your 2...
MySQL root access from all hosts
...oot:
netstat -tupan | grep mysql
Update For Ubuntu 16:
Config file is (now)
/etc/mysql/mysql.conf.d/mysqld.cnf
(at least on standard Ubuntu 16)
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How does a Breadth-First Search work when looking for Shortest Path?
... @Shashank If we are not maintaining distance then how would we know the shortest distance,please explain more.
– Gaurav Sehgal
Apr 12 '15 at 19:17
12
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How to determine if an NSDate is today?
...suggestion. I had to look up what era was, so for anyone else who doesn't know, it distinguishes between BC and AD. This is probably unnecessary for most people, but it's easy to check and adds some certainty, so I've included it. If you're going for speed, this probably isn't a good method anyway.
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Rails ActiveRecord date between
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Day.where(:reference_date => 6.months.ago..Time.now) works, thanks
– boulder_ruby
Nov 5 '12 at 1:41
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...s 256-bit AES encryption which is not supported by Java out of the box. I know to get this to function correctly I install the JCE unlimited strength jars in the security folder. This is fine for me being the developer, I can install them.
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How to move a model between two Django apps (Django 1.7)
...ll new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure.
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Printing a variable memory address in swift
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Swift 2
This is now part of the standard library: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much you can do with this other than use it to identify the
/// object
Swift 3
For Swift ...