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Spring Data JPA find by embedded object property

... According to me, Spring doesn't handle all the cases with ease. In your case the following should do the trick Page<QueuedBook> findByBookIdRegion(Region region, Pageable pageable); or Page<QueuedBook> findByBookId_Region(Region region, Pageable ...
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Javascript Shorthand for getElementById

... @patrick dw I like that. Especially with the wealth of valid variable names out there :) – Fox Wilson Jun 18 '11 at 20:56 4 ...
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What should main() return in C and C++?

...d termination) according to the C++ standard. For C, re-entering main() is allowed, but should be avoided. share | improve this answer | follow | ...
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How do I abort the execution of a Python script? [duplicate]

... Prints "aa! errors!" and exits with a status code of 1. There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit() version doesn't do this. It just ends the program...
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List of tables, db schema, dump etc using the Python sqlite3 API

...te("SELECT name FROM sqlite_master WHERE type='table';") print(cursor.fetchall()) Watch out for my other answer. There is a much faster way using pandas. share | improve this answer | ...
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How to Apply Gradient to background view of iOS Swift App

...ems you may face with this is that when you add a sublayer it may sit over all your other items, labels, image, etc. To overcome this create another view that sits below everything and set its constraints to that of the container you want the gradient in. Then set the gradient to be applied to this ...
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Why do x86-64 systems have only a 48 bit virtual address space?

... Because that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon. So CPU manufacturers took a shortcut. They use an instruction set...
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How to detect total available/free disk space on the iPhone/iPad device?

... Original answer: I found the following solution working for me: -(uint64_t)getFreeDiskspace { uint64_t totalSpace = 0; uint64_t totalFreeSpace = 0; NSError *error = nil; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSDic...
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How to compute the similarity between two text documents?

... If I were to average all of the values outside of the diagonal of 1's, would that be a sound way of getting a single score of how similar the four documents are to each other? If not, is there a better way of determining overall similarity betwe...
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How to see which flags -march=native will activate?

I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using? ...