04/08/15 Public, Git
$ git checkout HEAD -- my-file.txt
For example:
$ git checkout HEAD -- README.md
http://stackoverflow.com/questions/7147270/hard-reset-of-a-single-file
1 vote - harrylevine
V2P Imaging w/VMware, Acronis, and Sysprep
07/23/15 Public, Other Languages
The process in which we need to sysprep VM's to make a V2P image dump. This is process will work for all versions of Windows (except XP).
Required Software:
VMware http://www.vmware.com/
Acronis TrueImage http://www.acronis.com/en-us/...
1 vote - colinrubbert
04/02/15 Public, Testing / TDD
RSpec list of available Expectation Matchers. From the Lynda.com course RSpec Testing Framework with Ruby
1 vote - harrylevine
Command line keyboard shortcuts
04/02/15 Public, Shortcuts
control + a
= Move to the start of the line
control + e
= Move to the end of the line
esc + f
= Move forward a word
esc + b
= Move backward a word
control + b
= Move back one character
control + f
= Move forward one character
`co...
1 vote - harrylevine
Command to access your Rails sqlite3 database from the command line
03/28/15 Public, Databases
$ sqlite3 db/development.sqlite3
Run .tables
to get a list of database tables, to confirm you are in the right place
Then run .help
for list of available commands
Reference site: https://www.sqlite.org/cli.html
1 vote - harrylevine
02/18/19 Public, Other Languages
From the rbenv GitHub site
rbenv versions
lists all Ruby versions known to rbenv, and shows an asterisk next to the currently active version.
$ rbenv versions
1.8.7-p352
1.9.2-p290
*...
1 vote - harrylevine
03/14/15 Public, Ruby General
In most cases, our idea of ideal code is simple, readable, maintainable, and modular.
1 vote - harrylevine
03/05/15 Public, Testing / TDD
describe 'composing matchers' do
# some matchers accept matchers as arguments. (new in rspec3)
it 'will match all collection elements using a matcher' do
array = [1,2,3]
expect(array).to all( be < 5 )
end
it ...
1 vote - harrylevine
03/05/15 Public, Testing / TDD
describe 'compound expectations' do
it 'will match using: and, or, &, |' do
expect([1,2,3,4]).to start_with(1).and end_with(4)
expect([1,2,3,4]).to start_with(1) & include(2)
expect(10 * 10).to be_odd.or be >...
1 vote - harrylevine
03/05/15 Public, Testing / TDD
describe 'observation matchers' do
# Note that all of these use "expect {}", not "expect()".
# It is a special block format that allows a
# process to take place inside of the expectation.
it 'will match when events chang...
1 vote - harrylevine