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How can I programmatically get the MAC address of an iphone

...dresses(); GetHWAddresses(); int i; NSString *deviceIP = nil; for (i=0; i<MAXADDRS; ++i) { static unsigned long localHost = 0x7F000001; // 127.0.0.1 unsigned long theAddr; theAddr = ip_addrs[i]; if (theAddr == 0) break; if (theAddr == localHost) continue; NSLog(...
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Mutex example / tutorial? [closed]

I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work. ...
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How do I get java logging output to appear on a single line?

At the moment a default entry looks something like this: 10 Answers 10 ...
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How do I read an entire file into a std::string in C++?

...ring slurp(std::ifstream& in) { std::ostringstream sstr; sstr << in.rdbuf(); return sstr.str(); } This is nicely concise. However, as noted in the question this performs a redundant copy and unfortunately there is fundamentally no way of eliding this copy. The only real solu...
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Named placeholders in string formatting

...ng/javadocs/api-3.1/org/apache/commons/lang3/text/StrSubstitutor.html Map<String, String> values = new HashMap<String, String>(); values.put("value", x); values.put("column", y); StrSubstitutor sub = new StrSubstitutor(values, "%(", ")"); String result = sub.replace("There's an incorrec...
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How to determine if a point is in a 2D triangle? [closed]

... d2 = sign(pt, v2, v3); d3 = sign(pt, v3, v1); has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0); has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0); return !(has_neg && has_pos); } share ...
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Equivalent to 'app.config' for a library (DLL)

...ll add App.config to the project folder, put your settings in there under <appSettings> section. In case you're not using Visual Studio and adding the file manually, make sure to give it such name: DllName.dll.config, otherwise the below code won't work properly. Now to read from this file ha...
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Find a pair of elements from an array whose sum equals a given number

...it is very large ? So, the hash solution will be less practical then. Any alternate and optimal method for the same ? – Prashant Singh Oct 22 '12 at 15:14 15 ...
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How can I find the last element in a List?

...f count is zero. The CleanCode™ approach would be to use Last/LastOrDefault as mentioned below. – chillitom Dec 4 '13 at 18:04 ...
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Populating a ListView using an ArrayList?

...r that manages a ListView backed by an array of arbitrary objects. By default this class expects that the provided resource id references a single TextView. If you want to use a more complex layout, use the constructors that also takes a field id. That field id should reference a TextView in the lar...