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When NOT to use Cassandra?
... this question was originally asked), a Cassandra clone called Scylla (see https://en.wikipedia.org/wiki/Scylla_(database)) was released. Scylla is an open-source re-implementation of Cassandra in C++, which claims to have significantly higher throughput and lower latencies than the original Java Ca...
Loop inside React JSX
...o allow react to uniquely identify each
// element in this array. see: https://reactjs.org/docs/lists-and-keys.html
rows.push(<ObjectRow key={i} />);
}
return <tbody>{rows}</tbody>;
Incidentally, my JavaScript example is almost exactly what that example of JSX transforms ...
WatiN or Selenium? [closed]
...
Neither. Use Coypu. It wraps Selenium. Much more durable. https://github.com/featurist/coypu
Update
Ye Oliver you're right. Ok why's it better?
Personally I've found the Selenium driver for IE in particular to be very fragile - there's a number of 'standard' driver exceptions that ...
Associative arrays in Shell scripts
...e ugliest of hacks.
For a verbose, detailed answer with example code see:
https://stackoverflow.com/questions/3467959
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node.js fs.readdir recursive directory search
...case somebody is interested, I've written more about async iterators here: https://qwtel.com/posts/software/async-generators-in-the-wild/
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Are loops really faster in reverse?
...TML collections.
You can also do a performance test on a loop by opening https://blogs.oracle.com/greimer/resource/loop-test.html (does not work if JavaScript is blocked in the browser by, for example, NoScript).
EDIT:
A more recent benchmark created by Milan Adamovsky can be performed in run-ti...
What is token-based authentication?
...L-safe and usable especially in web browser single sign-on (SSO) context.
https://en.wikipedia.org/wiki/JSON_Web_Token
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How do I call Objective-C code from Swift?
...le Xcode 6 project that shows how to mix C++, Objective-C and Swift code:
https://github.com/romitagl/shared/tree/master/C-ObjC-Swift/Performance_Console
In particular, the example calls an Objective-C and a C++ function from the Swift.
The key is to create a shared header, Project-Bridging-Heade...
Receive result from DialogFragment
...d) {
Log.d(TAG, "received from fragment: " + id);
}
More info on it: https://developer.android.com/training/basics/fragments/communicating.html
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How does “cat
...
This is called heredoc format to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containin...