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How do I split a string on a delimiter in Bash?
...ax preserve special chars, newlines and empty fields!
If you don't want to include empty fields, you could do the following:
mapfile -td \; fields <<<"$IN"
fields=("${fields[@]%$'\n'}") # drop '\n' added by '<<<'
With mapfile, you can also skip declaring an array and implicitly ...
Extracting text from HTML file using Python
...s charrefs (e.g., &#39;) and HTML entities (e.g., &amp;).
It also includes a trivial plain-text-to-html inverse converter.
"""
HTML <-> text conversions.
"""
from HTMLParser import HTMLParser, HTMLParseError
from htmlentitydefs import name2codepoint
import re
class _HTMLToText(HTMLP...
Best way to add “current” class to nav in Rails 3
...:
In application_helper.rb
def controller?(*controller)
controller.include?(params[:controller])
end
def action?(*action)
action.include?(params[:action])
end
Then you can use if controller?("homepage") && action?("index", "show") in your views or other helper methods…...
How to remove a single, specific object from a ConcurrentBag?
...rated and thrown away with its whole content when it's done. Any attempts -including mine- to remove an item will result in a dirty hack. At least I tried to provide a answer, although the best is to use a better concurrent collection class, like the ConcurrentDictionary.
– Lar...
How to stop a PowerShell script on the first error?
...
Accepted because it includes info on how to make it work with external programs.
– Andres Riofrio
Apr 22 '12 at 22:23
4
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ActionController::InvalidAuthenticityToken
...JAX calls if using form_for helper with remote: true option.If not you can include the line <%= hidden_field_tag :authenticity_token, form_authenticity_token %> withing the form block.
3. If request is being sent from cached page, use fragment caching to exclude part of page that sends request...
Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
... (ironically).
or by using
require_relative 'filename'
or adding an "include" directory
ruby -I . ...
or the same, using irb;
$irb -I .
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C++ where to initialize static const
...d here (*)...
static const int j; // ... OR in cpp.
};
foo.cpp
#include "foo.h"
const string foo::s = "foo string";
const char* foo::cs = "foo C string";
// No definition for i. (*)
const int foo::j = 4;
(*) According to the standards you must define i outside of the class definition (l...
How to use permission_required decorators on django class-based views
...e: I posted this in way back in 2011, starting with version 1.9 Django now includes this and other useful mixins (AccessMixin, PermissionRequiredMixin, UserPassesTestMixin) as standard!
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impr...
CSS 100% height with padding/margin
...0% height = 1024 pixels.
min-height refers to the total height of the page including content so on a page where the content is bigger than 1024px min-height:100% will stretch to include all of the content.
The other problem then is that padding and border are added to the height and width in most mo...