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What is the proper REST response code for a valid request but an empty data?

For example you run a GET request for users/9 but there is no user with id #9. Which is the best response code? 23 Answer...
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How to check if a stored procedure exists before creating it

...to be run every time a client executes the "database management" functionality. The script includes creating stored procedures on the client database. Some of these clients might already have the stored procedure upon running the script, and some may not. I need to have the missing stored procedure...
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adb not finding my device / phone (MacOS X)

... Additonal Update : Do not underestimate the value of a good USB cable. Sometimes just swapping cables will help. Update for newer versions of adb, ~/.android/adb_usb.ini has to be removed. Executive summary: Add the Vendor ID ...
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How to “hibernate” a process in Linux by storing its memory to disk and restoring it later?

Is it possible to 'hibernate' a process in linux? Just like 'hibernate' in laptop, I would to write all the memory used by a process to disk, free up the RAM. And then later on, I can 'resume the process', i.e, reading all the data from memory and put it back to RAM and I can continue with my proces...
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Lock-free multi-threading is for real threading experts

...was reading through an answer that Jon Skeet gave to a question and in it he mentioned this: 6 Answers ...
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?

A sensitive operation in my lab today went completely wrong. An actuator on an electron microscope went over its boundary, and after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faulty module to this: ...
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Why should we typedef a struct so often in C?

... As Greg Hewgill said, the typedef means you no longer have to write struct all over the place. That not only saves keystrokes, it also can make the code cleaner since it provides a smidgen more abstraction. Stuff like typedef struct { int x, y; } Point; Point point_new(int x, int y) ...
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How can I install a local gem?

If I download a .gem file to a folder in my computer, can I install it later using gem install ? 9 Answers ...
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Big-oh vs big-theta [duplicate]

It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in. I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...
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Why Java needs Serializable interface?

We work heavily with serialization and having to specify Serializable tag on every object we use is kind of a burden. Especially when it's a 3rd-party class that we can't really change. ...