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Mod of negative number is melting my brain
...don't think this is accurate and I don't see why a modulo is any different from remainder. That's what it also says on the Modulo Operation Wikipedia page. It's just that programming languages treat negative numbers differently. The modulo operator in C# obviously counts remainders "from" zero (-9%4...
Apache shows PHP code instead of executing it
...php$>
SetHandler application/x-httpd-php
</FilesMatch>
Run this from the terminal:
sudo a2dismod mpm_event && sudo a2enmod mpm_prefork && sudo a2enmod php7
Then don't forget to restart Apache so it knows you changed stuff:
sudo service apache2 restart
This is a summa...
Reset the database (purge all), then seed a database
...verything and recreate database + seeds with both:
rake db:reset: loads from schema.rb
rake db:drop db:create db:migrate db:seed: loads from migrations
Make sure you have no connections to db (rails server, sql client..) or the db won't drop.
schema.rb is a snapshot of the current state of you...
How do I delete a local repository in git? [duplicate]
...e .gitignore and .gitmodules if any (via @aragaer):
$ rm -rf .git*
Then from the same ex-repository folder, to see if hidden folder .git is still there:
$ ls -lah
If it's not, then congratulations, you've deleted your local git repo, but not a remote one if you had it. You can delete GitHub re...
How many spaces will Java String.trim() remove?
...is string if it has no leading or trailing white space.
~ Quoted from Java 1.5.0 docs
(But why didn't you just try it and see for yourself?)
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Get the client's IP address in socket.io
...way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast.
...
Different font size of strings in the same TextView
...or start and end of span. in the above Hello length is 5 so i applied span from index 0 to 5
– Raghunandan
May 2 '13 at 11:12
...
Compile, Build or Archive problems with Xcode 4 (and dependencies)
...NB: The steps below will solve 90% of your Xcode archive issues
however, from the comments it is suggested you try quitting Xcode
first. This may save you hours of setting tweaking.
Check the "user header paths" are correct (Add "" to paths for spaces, both in your project and dependencies)
S...
How do I break out of a loop in Scala?
....control.Breaks using syntax that looks a lot like your familiar old break from C/Java:
import scala.util.control.Breaks._
var sum = 0
breakable { for (i <- 0 to 1000) {
sum += i
if (sum >= 1000) break
} }
(3) Put the code into a method and use return.
var sum = 0
def findSum { for (i ...
Unable to show a Git tree in terminal
...-abbrev-commit | tig // Masi needed this
The article text-based graph from Git-ready contains other options:
git log --graph --pretty=oneline --abbrev-commit
Regarding the article you mention, I would go with Pod's answer: ad-hoc hand-made output.
Jakub Narębski mentions in the comment...