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Why does Python code use len() function instead of a length method?
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len, str, etc. can be used with higher-order functions like map, reduce, and filter without the need to define a function or lambda just to call a method. Not everything revolves around OOP, even in Python.
– Evicatos
Nov 7 '...
Working Soap client example
...}
}
@See list of some WebServices at http://sofa.uqam.ca/soda/webservices.php
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Facebook access token server-side validation for iPhone app
...KEN is your app's token that you got from step 1.
The debug endpoint basically dumps all information about a token, so it'll respond with something like this:
{
data: {
app_id: YOUR_APP_ID,
is_valid: true,
metadata: {
sso: "iphone-safari"
},
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What do all of Scala's symbolic operators mean?
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Every Scala code has three automatic imports:
// Not necessarily in this order
import _root_.java.lang._ // _root_ denotes an absolute path
import _root_.scala._
import _root_.scala.Predef._
The first two only make classes and singleton objects available. The third one contains all implicit...
Polymorphism in C++
...conversion sequence is a sequence of standard conversions in the following order:
Zero or one conversion from the following set: lvalue-to-rvalue conversion, array-to-pointer conversion, and function-to-pointer conversion.
Zero or one conversion from the following set: integral promotions, floa...
Python argparse: How to insert newline in the help text?
... the right direction above. But that solution needs slight modification in order to format description section.
Anyway, custom formatter is needed. I extended existing HelpFormatter class and overrode _fill_text method like this:
import textwrap as _textwrap
class MultilineFormatter(argparse.HelpF...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...mp__ method, it is called. This function must return an int indicating the order of the two object (-1 if self < other, 0 if self == other, +1 if self > other).
Otherwise, the object are compared for identity (ie. they are reference to the same object, as can be tested by the is operator).
T...
Pretty-print C++ STL containers
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If I'm reading this right, in order to have a pair print as <i, j> in one function and as [i j] in another, you have to define a whole new type, with a handful of static members in order to pass that type to print_container_helper? That seems overl...
How do you run your own code alongside Tkinter's event loop?
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undefined reference to `WinMain@16'
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