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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
... Post.all
end
#app/view/posts/index.html.erb
<%= debug(@posts) %>
#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published_at: '2015-10-19 23:00:43.469520'
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How to set Meld as git mergetool
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sometimes you may to restart your git gui after you git config (to take a change)
– Yohanes AI
Sep 1 at 10:24
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How can I increment a date by one day in Java?
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Something like this should do the trick:
String dt = "2008-01-01"; // Start date
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(sdf.parse(dt));
c.add(Calendar.DATE, 1); // number of days to add
dt = sdf.format(c.getTime()); // dt is n...
Why is inserting in the middle of a linked list O(1)?
... "given node at X, what is the code to insert after this node?" You get to start at the insert point.
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Redis command to get all available keys?
...atterns
-redis 127.0.0.1:6379> keys d??
This will produce keys which start by 'd' with three characters.
-redis 127.0.0.1:6379> keys *t*
This wil get keys with matches 't' character in key
-->Count keys from command line by
-redis-cli keys * |wc -l
-->Or you can use dbsize
-re...
Java Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable
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You need to specify the -Djava.awt.headless=true parameter at startup time.
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Xcode iOS 8 Keyboard types not supported
...s line:
[self.enhancedNumpadToolbar sizeToFit];
I added it, and the sun started shining, the birds resumed chirping, and all was well with the world.
PS You would also get such an error for other mischief, such as forgetting to alloc/init.
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Where can I find the error logs of nginx, using FastCGI and Django?
...h "*/nginx/*" -type f -name '*.log', where /usr/ is the folder you wish to start searching from.
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How can I do time/hours arithmetic in Google Spreadsheet?
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Example of calculating time:
work-start work-stop lunchbreak effective time
07:30:00 17:00:00 1.5 8 [=((A2-A1)*24)-A3]
If you subtract one time value from another the result you get will represent the fraction of 24 ho...
Lightweight Java Object cache API [closed]
... I don't think this method has TTL capacity. It would be a good start towards rolling your own, though.
– Chase Seibert
Oct 23 '08 at 17:59
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