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Some questions about Automatic Reference Counting in iOS5 SDK
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If I decide to upgrade to iOS 5, do I
need to remove all [myObject retain]
and [myObject release] statements from
my code?
Yes, but XCode 4.2 includes a new "Migrate to Objective-C ARC" tool (in the Edit->Refactor menu), w...
Is it possible to figure out the parameter type and return type of a lambda?
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Heh, I was just writing this. Didn't think about tuple_element though, thanks.
– GManNickG
Oct 30 '11 at 7:30
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How can I use if/else in a dictionary comprehension?
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You've already got it: A if test else B is a valid Python expression. The only problem with your dict comprehension as shown is that the place for an expression in a dict comprehension must have two expressions, separated by a colon:
{ (some_key if condition else default_...
How do I provide custom cast support for my class?
How do I provide support for casting my class to other types? For example, if I have my own implementation of managing a byte[] , and I want to let people cast my class to a byte[] , which will just return the private member, how would I do this?
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are
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Video scalaj: Idiomatic Scala Wrappers for Java Libraries days2010.scala-lang.org/node/138/164
– oluies
Sep 1 '10 at 1:48
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Booleans, conditional operators and autoboxing
...n; since null (type "the special null type") can be implicitly converted (widened) to any type, you can consider the special null type to be a "superclass" of any type (class) for the purposes of lub().
– Bert F
Apr 25 '14 at 13:03
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Why do some C# lambda expressions compile to static methods?
...ghtly):
private class <Main>b__0
{
public int age;
public void withClosure(string s)
{
Console.WriteLine("My name is {0} and I am {1} years old", s, age)
}
}
private static class <Main>b__1
{
public static void withoutClosure(string s)
{
Console....
How to properly overload the
...C++ for matrix operations. However my compiler complains, where before it did not. This code was left on a shelf for 6 months and in between I upgraded my computer from debian etch to lenny (g++ (Debian 4.3.2-1.1) 4.3.2
) however I have the same problem on a Ubuntu system with the same g++.
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Finding the index of elements based on a condition using python list comprehension
...do need an API similar to Matlab's, you would use numpy, a package for multidimensional arrays and numerical math in Python which is heavily inspired by Matlab. You would be using a numpy array instead of a list.
>>> import numpy
>>> a = numpy.array([1, 2, 3, 1, 2, 3])
>>>...
Source code highlighting in LaTeX
... 1.2 …
Presenting minted
minted is a package that uses Pygments to provide top-notch syntax highlighting in LaTeX. For example, it allows the following output.
Here’s a minimal file to reproduce the above code (notice that including Unicode characters might require XeTeX)!
\documentclass[a...