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Multiple Inheritance in PHP
...tMessage class, and sending algorithm is delegated to dispatcher. This is called Strategy Pattern, you can read more on it here.
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How should I store GUID in MySQL tables?
... I could do the same thing in 4 bytes with an Integer. Since he put that challenge out there to me I thought now was a good time to mention it. That being said...
You can store a guid as a CHAR(16) binary if you want to make the most optimal use of storage space.
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Insert text with single quotes in PostgreSQL
...rsions or if you still run with standard_conforming_strings = off or, generally, if you prepend your string with E to declare Posix escape string syntax, you can also escape with the backslash \:
E'user\'s log'
Backslash itself is escaped with another backslash. But that's generally not preferabl...
Unable to access JSON property with “-” dash
...s answer, note that in Node.js if you access JSON with the array syntax [] all nested JSON keys should follow that syntax
This is the wrong way
json.first.second.third['comment']
and will will give you the 'undefined' error.
This is the correct way
json['first']['second']['third']['comment']
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Does IMDB provide an API? [closed]
...lo.json (alternate)
Format: JSON-P
Caveat: It's in JSON-P format, and the callback parameter can not customised. To use it cross-domain you'll have to use the function name they choose (which is in the imdb${searchphrase} format). Alternatively, one could strip or replace the padding via a local pro...
Using headers with the Python requests library's get method
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According to the api, the headers can all be passed in using requests.get:
r=requests.get("http://www.example.com/", headers={"content-type":"text"})
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UITextField text change event
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From proper way to do uitextfield text change call back:
I catch the characters sent to a UITextField control something like this:
// Add a "textFieldDidChange" notification method to the text field control.
In Objective-C:
[textField addTarget:self
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
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@wim Actually the question never mentions a python versions, let alone the fact that it should be python2. 7. Also note that in python2 u'true' == 'true' so the function behaves correctly indipendently from the input type [between str...
How do I sort a dictionary by value?
...(x.items(), key=operator.itemgetter(0))
In Python3 since unpacking is not allowed [1] we can use
x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
sorted_x = sorted(x.items(), key=lambda kv: kv[1])
If you want the output as a dict, you can use collections.OrderedDict:
import collections
sorted_dict = collection...
What is the difference between concurrent programming and parallel programming?
What is the difference between concurrent programming and parallel programing? I asked google but didn't find anything that helped me to understand that difference. Could you give me an example for both?
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