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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
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UPDATE: This question was the subject of my blog on May 12th 2011. Thanks for the great question!
Suppose you have an interface as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface's methods optional. Are you su...
How to add multiple files to Git at the same time
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edited Feb 28 '14 at 7:04
answered Oct 24 '13 at 20:39
d...
Creating a blocking Queue in .NET?
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That looks very unsafe (very little synchronization); how about something like:
class SizeQueu...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
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answered Jul 21 '09 at 2:25
kquinnkquinn
9,23133 gold badges3232 silver badges3535 bronze badges
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What does “dereferencing” a pointer mean?
...ocess's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that later - see null pointers below.
For a more accurate definition of what pointers store, and how memory and addresses relate, see "More about memory addresses, and why you probabl...
Superscript in CSS only?
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answered Feb 1 '09 at 22:15
Peter BoughtonPeter Boughton
99.2k2929 gold badges114114 silver badges168168 bronze badges
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rsync copy over only certain types of files using include option
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I think --include is used to include a subset of files that are otherwise excluded by --exclude...
Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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Is there a command like “watch” or “inotifywait” on the Mac?
...at number, place {} anywhere in your command.
The older way for versions 0.x:
fswatch ~/path/to/watch ~/script/to/run/when/files/change.sh
Installation with Homebrew
As of 9/12/13 it was added back in to homebrew - yay! So, update your formula list (brew update) and then all you need to do is:...
What does the git index contain EXACTLY?
... ls-files can show you the contents of the index:
$ git ls-files --stage
100644 63c918c667fa005ff12ad89437f2fdc80926e21c 0 .gitignore
100644 5529b198e8d14decbe4ad99db3f7fb632de0439d 0 .mailmap
The Racy git problem gives some more details on that structure:
The index is one of the most importa...