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Lost my schema.rb! Can it be regenerated?
...them is db:schema:dump which will recreate the schema.rb for the Rails app from the database.
bundle exec rake db:schema:dump
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Ukkonen's suffix tree algorithm in plain English
...single
characters. Instead, each edge is labeled using a pair of integers
[from,to]. These are pointers into the text. In this sense, each
edge carries a string label of arbitrary length, but takes only O(1)
space (two pointers).
Basic principle
I would like to first demonstrate how to create the...
How can I convert string date to NSDate?
...teFormatter()
dateFormatter.dateFormat = /* find out and place date format from
* http://userguide.icu-project.org/formatparse/datetime
*/
let date = dateFormatter.dateFromString(/* your_date_string */)
For further query, check NSDateFormatt...
Installing Google Protocol Buffers on mac
...sion 2.5.0 has been installed. Is it possible to install the older version from terminal.
14 Answers
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Python - Get path of root project structure
...
You can do this how Django does it: define a variable to the Project Root from a file that is in the top-level of the project. For example, if this is what your project structure looks like:
project/
configuration.conf
definitions.py
main.py
utils.py
In definitions.py you can def...
Remove Object from Array using JavaScript
How can I remove an object from an array?
I wish to remove the object that includes name Kristian from someArray . For example:
...
Should I use a class or dictionary?
...lass. You could also use a namedtuple for a hybrid approach:
>>> from collections import namedtuple
>>> request = namedtuple("Request", "environ request_method url_scheme")
>>> request
<class '__main__.Request'>
>>> request.environ = "foo"
>>> requ...
findViewById in Fragment
...
Use getView() or the View parameter from implementing the onViewCreated method. It returns the root view for the fragment (the one returned by onCreateView() method). With this you can call findViewById().
@Override
public void onViewCreated(View view, @Nulla...
Retrieving parameters from a URL
...parse_qs(parsed.query)['def']
Python 3:
import urllib.parse as urlparse
from urllib.parse import parse_qs
url = 'http://foo.appspot.com/abc?def=ghi'
parsed = urlparse.urlparse(url)
print(parse_qs(parsed.query)['def'])
parse_qs returns a list of values, so the above code will print ['ghi'].
Her...
How can I implement an Access Control List in my Web MVC application?
...ibility:
- Domain Business Logic
(read more: here and here):
Instances from this group of classes deal with computation of values, check for different conditions, implement sales rules and do all the rest what you would call "business logic". They have no clue how data is stored, where it is sto...