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Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i

...east works for me). Below is a screenshot for it: EDIT: As far as I know (please point it out if there's something wrong, thanks), if you set ONLY_ACTIVE_ARCH to YES, it means the Xcode will only build for the active architecture (which refers to the device that's active in Xcode currently). S...
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I can’t find the Android keytool

...r your certificate's MD5 fingerprint. Wtf is that, you might say. I don't know, but just do what I say and your Android app doesn't get hurt. Go to Start>Run and type cmd to open up a command prompt. You need to navigate to the directory with the keytool.exe file, which might be in a slightly di...
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Why do people say there is modulo bias when using a random number generator?

...t defined in cstdlib (see this article for a general overview on rand()). Now what happens if you want to generate a random number between say 0 and 2? For the sake of explanation, let's say RAND_MAX is 10 and I decide to generate a random number between 0 and 2 by calling rand()%3. However, rand()...
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Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;

...any jar library there, so I have unchecked Android Private Libraries item. Now my project is running. share | improve this answer | follow | ...
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How to use filter, map, and reduce in Python 3

...s from the documentation. Views And Iterators Instead Of Lists Some well-known APIs no longer return lists: [...] map() and filter() return iterators. If you really need a list, a quick fix is e.g. list(map(...)), but a better fix is often to use a list comprehension (especially when the original ...
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Why use apparently meaningless do-while and if-else statements in macros?

...say you had something like your second macro. #define BAR(X) f(x); g(x) Now if you were to use BAR(X); in an if ... else statement, where the bodies of the if statement were not wrapped in curly brackets, you'd get a bad surprise. if (corge) BAR(corge); else gralt(); The above code would e...
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How do I set a variable to the output of a command in Bash?

...myDate '2000-01-01' 946681200 myDate "$(ps ho lstart 1)" boottime myDate now now ; read utm idl </proc/uptime myBc "$now-$boottime" uptime printf "%s\n" ${utm%%.*} $uptime 42134906 42134906 ps --tty pts/20 fw PID TTY STAT TIME COMMAND 29019 pts/20 Ss 0:00 bash 30944 pt...
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Flattening a shallow list in Python [duplicate]

...s is the only answer I've seen that's made the ordering explicit... Maybe now I can remember it! – Izkata Mar 20 '12 at 15:47 10 ...
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In Python, how do I read the exif data for an image?

... For Python3.x and starting Pillow==6.0.0, Image objects now provide a getexif() method that returns <class 'PIL.Image.Exif'> or None if the image has no EXIF data. From Pillow 6.0.0 release notes: getexif() has been added, which returns an Exif instance. Values can be retri...
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What is an example of the simplest possible Socket.io example?

... <script src="cdn.socket.io/socket.io-1.2.1.js"></script> and now it works – Alexander Mills Dec 31 '14 at 7:12 ...