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How to merge 2 JSON objects from 2 files using jq?
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Since 1.4 this is now possible with the * operator. When given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get y...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
... Ah, why selecting a single row returns a Series, I don't really know.
– joris
Dec 4 '13 at 19:24
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How to forward declare a C++ template class?
...);
}
And we can use it with std::vector, eg.:
#include <vector>
// Now the compiler understands how to handle
// std::vector with one argument
// (making use of its default argument)
int main()
{
Foo(std::vector<int>(3));
}
I haven't checked the standards, but this works on clang...
Semaphore vs. Monitors - what's the difference?
... and bike rental place. I will never forget the difference between the two now.
– Drupad Panchal
Sep 7 '11 at 15:40
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Explain the “setUp” and “tearDown” Python methods used in test cases
... initializing db, preparing rules and so on) into the setUp.
Also as you know each test should stop in the place where it was started - this means that we have to restore app state to it's initial state - e.g close files, connections, removing newly created items, calling transactions callback and ...
iPhone Simulator - Simulate a slow connection?
... You can download "Hardware IO Tools" from Apple's developer tools site now. They update it for new releases of Xcode (and thus OSX): In Xcode, click Xcode -> Open Developer Tool -> More Developer Tools..., login, find the latest archive, download, copy the files somewhere, double click th...
Preserving order with LINQ
...hile
Take
TakeWhile
Where
Zip (new in .net 4)
Destroys Order - we don't know what order to expect results in.
ToDictionary
ToLookup
Redefines Order Explicitly - use these to change the order of the result
OrderBy
OrderByDescending
Reverse
ThenBy
ThenByDescending
Redefines Order according t...
Spring AOP vs AspectJ
... the pointcut captures only public methods that aren't declared as final.
Now, while in Spring AOP the weaving of Aspects will be performed by the container at container start-up, in AspectJ you have to perform this with a post compilation of your code through bytecode modification. For this reason...
How to get the IP address of the docker host from inside a docker container
... wanted to connect to a remote xdebug server:
telnet 192.168.46.49 9000
Now when traffic comes into your Mac addressed for 192.168.46.49 (and all the traffic leaving your container does go through your Mac) your Mac will assume that IP is itself. When you are finish using this IP, you can remove ...
Argparse: Required argument 'y' if 'x' is present
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How about using parser.parse_known_args() method and then adding the --lport and --rport args as required args if --prox is present.
# just add --prox arg now
non_int = argparse.ArgumentParser(description="stackoverflow question",
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