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From inside of a Docker container, how do I connect to the localhost of the machine?
... I am running Docker for Mac, and there is no 172.17.42.1 anymore, no docker0 anymore. It was 172.17.0.1 as gateway, and can't even telnet 172.17.0.1 3306
– zx1986
Jun 30 '16 at 3:35
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What is the “__v” field in Mongoose
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Rails I18n validation deprecation warning
...n).
The new version of the I18n gem, forces developers to be a little bit more conscious of the locale management.
In the future, the behavior will change and if a locale is invalid, the Rails app will raise an error.
In preparation of such change (that may potentially break several applications...
is it possible to select EXISTS directly as a bit?
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EXISTS is more efficient than COUNT when checking for existence of a record - see sqlblog.com/blogs/andrew_kelly/archive/2007/12/15/…
– Tahir Hassan
Oct 11 '12 at 13:25
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Convert JSON String to Pretty Print JSON output using Jackson
...d in two three lines. I have updated the question, maybe you will get some more idea what's happening now.
– arsenal
Jan 26 '13 at 3:09
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How do I explicitly instantiate a template function?
...l question due to code formatting issues. See AnthonyHatchkins' answer for more details.
If you really want to instantiate (instead of specialize or something) the function, do this:
template <typename T> void func(T param) {} // definition
template void func<int>(int param); // expli...
If threads share the same PID, how can they be identified?
...each thread has it's own ID, called a PID (although it would possibly make more sense to call this a TID, or thread ID) and they also have a TGID (thread group ID) which is the PID of the thread that started the whole process.
Simplistically, when a new process is created, it appears as a thread wh...
Jasmine.js comparing arrays
...1, 2, 3]);
});
But if the array that is returned from some function has more than 1 elements and all are zero then verify by using
expect(mockArray[0]).toBe(0);
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Where is the syntax for TypeScript comments documented?
...uch as TypeScript. TSDoc addresses these limitations while also tackling a more sophisticated set of goals.
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In vim, how do I go back to where I was before a search?
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