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Cannot ping AWS EC2 instance

... Thank you, I like this. I just want to allow the ping, not all. – Chu-Siang Lai Nov 25 '16 at 11:29 ...
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iPhone Simulator suddenly started running very slow

...lator for a number of weeks and it has been running well up until now, but all of a sudden has begun running very slow both when loading content and animations. I have not made any changes to my code since I last tested it successfully. ...
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Tools for analyzing performance of a Haskell program

...ith +RTS -s $ time ./A +RTS -s ./A +RTS -s 749700 9,961,432,992 bytes allocated in the heap 2,463,072 bytes copied during GC 29,200 bytes maximum residency (1 sample(s)) 187,336 bytes maximum slop **2 MB** total memory in use (0 MB lost due to fragmentat...
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How to permanently disable region-folding in Visual Studio 2008

... folding in visual studio 2008? Some of my colleagues love it, but I personally always want to see all the code, and never want code folded out of sight. I'd like a setting that means my copy of Visual Studio never folds #regions or function bodies. ...
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Can't connect Nexus 4 to adb: unauthorized

... for me until I disabled Windows AutoPlay by unchecking "Use AutoPlay" for all media and devices." – user1985189 Oct 22 '14 at 17:42 ...
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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
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Trying to fix line-endings with git filter-branch, but having no luck

...r gitattributes now documents another approach for "fixing" or normalizing all the line endings in your project. Here's the gist of it: $ echo "* text=auto" >.gitattributes $ git add --renormalize . $ git status # Show files that will be normalized $ git commit -m "Introduce end-of-line ...
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Cookie blocked/not saved in IFRAME in Internet Explorer

...s.asp . When I open the form (" someform.asp ") in its own browser window, all works well. However, when I load someform.asp as an IFRAME in IE 6 or IE 7, the cookies for example.com are not saved. In Firefox this problem doesn't appear. ...
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“inconsistent use of tabs and spaces in indentation”

I'm trying to create an application in Python 3.2 and I use tabs all the time for indentation, but even the editor changes some of them into spaces and then print out "inconsistent use of tabs and spaces in indentation" when I try to run the program. ...
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh

...bviews whenever you can. You can be more productive, and take advantage of all the OO mechanisms that should things easier to maintain. Use Core Graphics when you can't get the performance you need out of UIKit, or you know trying to hack together drawing effects in UIKit would be more complicated....