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Getting started with F# [closed]
...browser (Silverlight). (contains interactive tutorial walkthroughs)
Start by watching videos and presentations (BTW, An Introduction to Microsoft F# by Luca Bolognese is still one of the best presentations on the subject). Then read the following two must-read books:
Programming F#: A comprehensi...
Understanding reference counting with Cocoa and Objective-C
...being referenced (specifically, the NSObject base class implements this). By calling retain on an object, you are telling it that you want to up its reference count by one. By calling release, you tell the object you are letting go of it, and its reference count is decremented. If, after calling ...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...e file that's meant to be interpreted can indicate what interpreter to use by having a #! at the start of the first line, followed by the interpreter (and any flags it may need).
If you're talking about other platforms, of course, this rule does not apply (but that "shebang line" does no harm, and ...
How do I use itertools.groupby()?
...understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
...
Append an object to a list in R in amortized constant time, O(1)?
...h birthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types:
newlist <- list(oldlist, list(someobj))
In general, R types can make it hard to have one and just one idiom for all types and uses.
...
C# Linq Group By on multiple columns [duplicate]
...es above, I would like to use LINQ to create a List from the List, grouped by the School, Friend and FavoriteColor properties. Is this possible with LINQ?
...
Best practice for instantiating a new Android Fragment
... to your Fragment so that they are available after a Fragment is recreated by Android is to pass a bundle to the setArguments method.
So, for example, if we wanted to pass an integer to the fragment we would use something like:
public static MyFragment newInstance(int someInt) {
MyFragment myF...
Greedy vs. Reluctant vs. Possessive Quantifiers
... [xyz]*foo, there's no way that backtracking the x's, y's, and z's matched by the [xyz]* bit will ever allow the following foo bit to match, so you can speed things up by making it possessive.
– Anomie
Nov 23 '16 at 12:29
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...ons within a ".so" file, and some don't have to do that at all? Thank you, by the way!
– Cloud
Mar 13 '12 at 16:47
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Use of 'const' for function parameters
...s nothing to do there but it can be found there in a long function written by more than one programmer over a long period of time. I would strongly suggest to write int getDouble( const int a ){ //... } that will generate a compile error when finding ++a;.
– dom_beau
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