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Is there a way to check which CSS styles are being used or not used on a web page?
...of a user experience on the page.
Shows all used and unused CSS/JS in the files
- see image below.
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Authenticate with GitHub using a token
...ing to authenticate with GitHub using a personal access token. In the help files at github, it states to use the cURL method to authenticate ( https://help.github.com/articles/creating-an-access-token-for-command-line-use ). I have tried this, but I still cannot push to GitHub. Please note, I am try...
Nested using statements in C#
I am working on a project. I have to compare the contents of two files and see if they match each other precisely.
17 Answe...
Passing arguments to an interactive program non-interactively
...ays
pipe your input
echo "yes
no
maybe" | your_program
redirect from a file
your_program < answers.txt
use a here document (this can be very readable)
your_program << ANSWERS
yes
no
maybe
ANSWERS
use a here string
your_program <<< $'yes\nno\nmaybe\n'
...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
..., :old_table_name
end
end
I had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change...
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
...), but can be cumbersome to the user. Git has a unique concept of tracking file contents, even as those contents move between files, and views files as first-level objects, but does not track directories. Another issue with git is that has many operations (such as rebase) which make it easy to modif...
How to reduce iOS AVPlayer start delay
...thout any discernible negative effects. We mostly play 20-60 minute audio files to listeners in the US where mobile data coverage is generally fast. Your use case could be different though.
– grizzb
Aug 4 at 14:17
...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
... library to use UUID with example in rails 3.X and 4.X
create usesguid.rb file in your lib/usesguid.rb and paste below code in that -
require 'securerandom'
module ActiveRecord
module Usesguid #:nodoc:
def self.append_features(base)
super
base.extend(ClassMethods)
end
...
How can I install pip on Windows?
...ed-to-install-pip:
Download get-pip.py, being careful to save it as a .py file rather than .txt. Then, run it from the command prompt:
python get-pip.py
You possibly need an administrator command prompt to do this. Follow Start a Command Prompt as an Administrator (Microsoft TechNet).
This inst...
Searching subversion history (full text)
...but this command lists the whole change including revision number, changed files and comment. How is it not full-text?
– Bernhard Döbler
Aug 23 '17 at 10:50
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