Viewing profile — buddydvd

The part of regex [\w\.-_] should really be [\w\.\-_] instead. But not that's not what caused the problem mentioned in this post. (edited for clairifcation)

I tried out your command and got different line count compared to the output of the commands mentioned in the post. The man page for comm says it assumes inputs to be pre-sorted. T…

Clicking the link below creates a new imgur URL: http://imgur.com/upload?url=https%3A%2F%2Fnews.ycombinator.c... Perhaps someone had included a URL like the one above in some wordp…

Get a copy of Merriam Webster's Visual Dictionary and just go through its approx. 1000 pages of high-quality illustrations. It efficiently introduces you to countless tip-of-the-ic…

Thanks for the link. Awhile back, I had implemented an n-bit cipher (where 1 <= n <=64) with an unbalanced Feistel network and used hash function as the basis of the round function…

+1 for skip32.c since it's O(1) space and O(1) time. With the prime approach, you may need to call it multiple times to reject numbers greater than 2^32-1. Also, a generalized Feis…

It's actually more of a hack to deal with malformed GIFs and goes directly against spec. To address GIFs where each frame has a 0 frame delay, most GIF decoders implement a minimum…

Non-consumable in-app purchases are restorable on any iOS device you can sign in with your iTunes account. When you buy a new iOS device and use StoreKit's restore transaction feat…

The UDID embedded in receipts prevents/deters people from sharing them with others using MITM techniques. Sharing does happen and Apple's article helps address that issue.

Apparently, with the lipo tool, you can still support iOS below version 4.3 and Apple won't reject it. See: http://stackoverflow.com/a/12678077

One use of UDID is verifying in-app purchase receipts. It's demonstrated in the sample code associated with Apple's article titled "In-App Purchase Receipt Validation on iOS". See:…

Lowercasing the first character--by itself alone--does not address inverted case scenario (e.g. "PaSsWoRd" and "pAsSwOrD" evaluate to "paSsWoRd" and "pAsSwOrD" respectively). One w…

There's a bug in the first optimization example. Specifically, class "point"'s "up" and "down" methods still reference the "move" method as "move" instead of "b". It can be fixed b…

I'm not sure what you mean -- Facebook disabled the iframe approach long ago.

For the many-small-repo scenario, I use this technique to host multiple projects under one Github private repository: http://stackoverflow.com/questions/1384325/in-git-is-there-a..…

I agree. I recall when Facebook Connect was first introduced, it provided websites the ability to let non-logged-in users to login to Facebook via an inline iframe. (the experience…

What's broken is this: when you make a POST request to a server that omits the Cache-Control header, iOS 6 caches that response by default. That behavior violates the HTTP spec.

RFC 2616 Section 14.9.1 states: 14.9.1 What is Cacheable By default, a response is cacheable if the requirements of the request method, request header fields, and the response stat…

Another connection related issue is that iOS 6 cache responses of ajax POST requests. http://news.ycombinator.com/item?id=4550441

Two of our iOS apps broke because of this bug. This is a huge breaking issue. Two known workaround: 1.) appending random query value to the request URL and 2.) update the web servi…

Okay, I was able to confirm sergeo's statement. Here's what I did: 1.) I compiled my app with a 4-inch default image using XCode 4.4.1 with iOS 5.1 as the base SDK and ran the app …

Do you know how to run Xcode 4.4-compiled binary in Xcode 4.5's iPhone simulator?

They're all down for me.

Can't tell if this is serious. Is this feature designed for hipsters? What is the percentage of the population that knows Morse code?