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Ruby : How to write a gem? [closed]
...esome_gem/ and edit the README.rdoc and awesome_gem.gemspec, write code in lib/awesome_gem/ and adding RSpec tests in specs/.
when you're ready to release, update the ChangeLog.rdoc file, run rake spec and rake rerdoc, open up html/index.html and double-check for any typos.
rake release
(Optional) s...
Difference between rake db:migrate db:reset and db:schema:load
...se have a look at https://github.com/rails/rails/blob/v3.2.12/activerecord/lib/active_record/railties/databases.rake (for Rails 3.2.x) and https://github.com/rails/rails/blob/v4.0.5/activerecord/lib/active_record/railties/databases.rake (for Rails 4.0.x)
...
sort object properties and JSON.stringify
...lphabetical order.
Finally, taking it further for the simplest way, this library will recursively allow you to sort any JSON you pass into it: https://www.npmjs.com/package/json-stable-stringify
var stringify = require('json-stable-stringify');
var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
cons...
Parse rfc3339 date strings in Python? [duplicate]
...raxor probably because it's not actually part of Python, rather a 3rd-part library. git clone http://example.com/module/problemsolver problemsolver && cd problemsolver && python problemsolver.py myspecificproblem
– Jonathan Baldwin
Nov 15 '14 at...
Two versions of python on linux. how to make 2.7 the default
...check current version of pip:
$ pip3 -V
Output Ex:
pip 1.5.4 from /usr/lib/python3/dist-packages (python 3.6)
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Typical AngularJS workflow and project structure (with Python Flask)
...ss
|-- img
|-- js
|-- app.js, controllers.js, etc.
|-- lib
|-- angular
|-- angular.js, etc.
|-- partials
|-- templates
|-- index.html
Make sure your index.html includes AngularJS, as well as any other files:
<script src="static/lib/angular/angula...
Cordova 3.5.0 Install Error- Please Install Android Target 19
...tedly doesn't exist, even it does exist. That means, you haven't installed lib32ncurses5 and lib32stdc++6 yet. (It happened on 64-bit Debian Jessie.)
– Theodor Keinstein
Sep 2 '14 at 16:03
...
Convert Python dictionary to JSON array
...call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/json/__init__.py", line 328, in loads
return _default_decoder.decode(s)
File "/usr/lib/python2.7/json/decoder.py", line 365, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib...
How to configure PostgreSQL to accept all incoming connections
...swers, if you want some range of IPs to be authorized, you could edit /var/lib/pgsql/{VERSION}/data file and put something like
host all all 172.0.0.0/8 trust
It will accept incoming connections from any host of the above range.
Source: http://www.linuxtopia.org/...
How can I make a JPA OneToOne relation lazy
...directory"/><!-- path of the source files -->
<property name="libs" value="/your/libs/directory"/><!-- path of your libraries -->
<property name="destination" value="/your/build/directory"/><!-- path of your build directory -->
<fileset id="applibs" dir="${lib...