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How can I programmatically get the MAC address of an iphone

How to programmatically get an iPhone's MAC address and IP address? 12 Answers 12 ...
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Does Ruby regular expression have a not match operator like “!~” in Perl?

I just want to know whether ruby regex has a not match operator just like !~ in perl. I feel it's inconvenient to use (?!xxx) or (?<!xxxx) because you cannot use regex patterns in the xxx part. ...
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Practical usage of setjmp and longjmp in C

Can anyone explain me where exactly setjmp() and longjmp() functions can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases. ...
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ViewPager with previous and next page boundaries

I'm designing a view with multiple pages. I want edges of previous and next pages to be show like below and implement a 2 finger swipe to switch between pages. ...
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Date ticks and rotation in matplotlib

I am having an issue trying to get my date ticks rotated in matplotlib. A small sample program is below. If I try to rotate the ticks at the end, the ticks do not get rotated. If I try to rotate the ticks as shown under the comment 'crashes', then matplot lib crashes. ...
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AutoLayout with hidden UIViews?

I feel like it's a fairly common paradigm to show/hide UIViews , most often UILabels , depending on business logic. My question is, what is the best way using AutoLayout to respond to hidden views as if their frame was 0x0. Here is an example of a dynamic list of 1-3 features. ...
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Position Absolute + Scrolling

With the following HTML and CSS 4 Answers 4 ...
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Nested JSON objects - do I have to use arrays for everything?

Is there any way to have nested objects in JSON so I don't have to make arrays out of everything? For my object to be parsed without error I seem to need a structure like this: ...
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How to get the max of two values in MySQL?

I tried but failed: 3 Answers 3 ...
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A semantics for Bash scripts?

More than any other language I know, I've "learned" Bash by Googling every time I need some little thing. Consequently, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programmin...