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Real World Use of Zookeeper [closed]
... finds the list of urls for a given service name and attempt to connect to one of them is some order (e.g. round-robin or random).
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Is UML practical? [closed]
...project, especially use-case mapping, but is it really practical? I've done a few co-op work terms, and it appears that UML is not used heavily in the industry. Is it worth the time during a project to create UML diagrams? Also, I find that class diagrams are generally not useful, because it's ...
The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
How to create a HTTP server in Android? [closed]
...
Consider this one:
https://github.com/NanoHttpd/nanohttpd.
Very small, written in Java. I used it without any problem.
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Long-lasting FB access-token for server to pull FB page info
...e_pages permission
Convert this short-lived access token into a long-lived one by making this Graph API call:
https://graph.facebook.com/oauth/access_token?client_id=<your FB App ID >&client_secret=<your FB App secret>&grant_type=fb_exchange_token&fb_exchange_token=<your s...
Iterate through a HashMap [duplicate]
..." + pair.getValue());
it.remove(); // avoids a ConcurrentModificationException
}
}
Read more about Map.
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How to get the client IP address in PHP [duplicate]
...FOR'], but this value is easily spoofed. For example, it can be set by someone without a proxy, or the IP can be an internal IP from the LAN behind the proxy.
This means that if you are going to save the $_SERVER['HTTP_X_FORWARDED_FOR'], make sure you also save the $_SERVER['REMOTE_ADDR'] value. E....
Converting between java.time.LocalDateTime and java.util.Date
Java 8 has a completely new API for date and time. One of the most useful classes in this API is LocalDateTime , for holding a timezone-independent date-with-time value.
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How to test code dependent on environment variables using JUnit?
...for System Rules as suggested by Stefan Birkner. Its use was simple. But sooner than later, I found the behavior erratic. In one run, it works, in the very next run it fails. I investigated and found that System Rules work well with JUnit 4 or higher version. But in my cases, I was using some Jars w...
Efficient way to return a std::vector in c++
...wever, in your swap() variant (for C++03 without NRVO) you still will have one copy-constructor copy made inside f(): from variable result to a hidden temporary object which will be at last swapped to myvec.
– JenyaKh
Jul 6 '17 at 4:49
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