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Extract every nth element of a vector
... niconico
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Create unique constraint with null columns
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An interesting idea. It makes inserting a bit more complicated. I would need to check if a row already exists in FavoriteWithoutMenu first. If so, I just add a menu link - otherwise I create the FavoriteWithoutMenu row first and then link it to a menu if necessary....
How to colorize diff on the command line?
... set, at least in my xterm. It does make tab vs space changes stand out a bit though.
Run command on the Ansible host
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I've found a couple other ways you can write these which are a bit more readable IMHO.
- name: check out a git repository
local_action:
module: git
repo: git://foosball.example.org/path/to/repo.git
dest: /local/path
OR
- name: check out a git repository
local_action:...
ASP.NET MVC Relative Paths
...dea of littering my app with server tags just to resolve paths, so I did a bit more research and opted to use something I'd tried before for rewriting links - a response filter. In this way, I can prefix all absolute paths with a known prefix and replace it at runtime using the Response.Filter objec...
What does the filter parameter to createScaledBitmap do?
The declaration of android.graphics.Bitmap.createScaledBitmap is
4 Answers
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What would cause an algorithm to have O(log log n) complexity?
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answered May 10 '13 at 13:22
Saeed AmiriSaeed Amiri
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
...zation switch and threadpool shuffle. There could be a significant overall win with WhenAll() in that kind of scenario, so... it really depends.
– Chris Moschini
Jan 29 '15 at 23:00
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What is a plain English explanation of “Big O” notation?
...one else's hand. In that example, #handshakes ∈ Ɵ(N²). Why?
Back up a bit: the number of handshakes is exactly n-choose-2 or N*(N-1)/2 (each of N people shakes the hands of N-1 other people, but this double-counts handshakes so divide by 2):
However, for very large numbers of people, the li...
iOS 5 Best Practice (Release/retain?)
...Quote from Apple engineer: "For iOS 4 and Mac OS 10.6, the compiler adds a bit of runtime compatibility glue code to your app. This works for everything except __weak variables, which require more support than the compatibility code can provide. ARC on iOS 4 is simpler than non-ARC code, but it's n...