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Express.js - app.listen vs server.listen
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The second form (creating an HTTP server yourself, instead of having Express create one for you) is useful if you want to reuse the HTTP server, for example to run socket.io within the same HTTP server instance:
var express = require('express');
var app...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
I'm just starting out with Ruby (and rails). I did the setup according to http://ruby.railstutorial.org/ruby-on-rails-tutorial-book#sec:ruby gems, using rvm . I have everything working well with sqlite.
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C# Convert List to Dictionary
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How do you use the “WITH” clause in MySQL?
...ollowed the link shared by lisachenko and found another link to this blog:
http://guilhembichot.blogspot.co.uk/2013/11/with-recursive-and-mysql.html
The post lays out ways of emulating the 2 uses of SQL WITH. Really good explanation on how these work to do a similar query as SQL WITH.
1) Use WITH...
Elegant Python function to convert CamelCase to snake_case?
...nake('camel2_camel2_case')) # camel2_camel2_case
print(camel_to_snake('getHTTPResponseCode')) # get_http_response_code
print(camel_to_snake('HTTPResponseCodeXYZ')) # http_response_code_xyz
Snake case to camel case
name = 'snake_case_name'
name = ''.join(word.title() for word in name.split('_'))
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How to list npm user-installed packages?
...m-gui which gives you list of local and global packages
The package is at https://www.npmjs.com/package/npm-gui and https://github.com/q-nick/npm-gui
//Once
npm install -g npm-gui
cd c:\your-prject-folder
npm-gui localhost:9000
At your browser http:\\localhost:9000
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How to output loop.counter in python jinja template?
...t;>> Template(s).render(elements=["a", "b", "c", "d"])
1 2 3 4
See http://jinja.pocoo.org/docs/templates/ for more.
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How to get JSON from webpage into Python script
...ython3 example:
import urllib.request, json
with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url:
data = json.loads(url.read().decode())
print(data)
Python2 example:
import urllib, json
url = "http://maps.googleapis.com/maps/api/geocode/j...
How to check if field is null or empty in MySQL?
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How to check if type of a variable is string?
...e type module also exists if you are checking more than ints and strings.
http://docs.python.org/library/types.html
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