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sed beginner: changing all occurrences in a folder
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149
There is no way to do it using only sed. You'll need to use at least the find utility together...
Get current time in seconds since the Epoch on Linux, Bash
I need something simple like date , but in seconds since 1970 instead of the current date, hours, minutes, and seconds.
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What is the usefulness of PUT and DELETE HTTP request methods?
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For the full specification visit:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
Since current browsers unfortunately do not support any other verbs than POST and GET in HTML forms, you usually cannot utilize HTTP to it's full extent with them (you can still hijack their submission ...
Why is using the rails default_scope often recommend against?
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193
Problem 1
Lets consider the basic example:
class Post < ActiveRecord::Base
default_sco...
What does $(function() {} ); do?
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314
$(function() { ... });
is just jQuery short-hand for
$(document).ready(function() { ... });...
GraphViz - How to connect subgraphs?
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197
The DOT user manual gives the following example of a graph with clusters with edges between cl...
Float vs Decimal in ActiveRecord
...esent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.100000000000000005551115123125...
invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
I'm using Ruby 1.9.1 with Rails 2.3.4 My application is to handle text input
6 Answers
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maximum value of int
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edited Jan 17 '12 at 9:26
Oliver Hanappi
10.8k77 gold badges4747 silver badges6666 bronze badges
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Can I get Memcached running on a Windows (x64) 64bit environment?
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13 Answers
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