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scala vs java, performance and memory? [closed]
....length()>2 && mapping.get(s) != null) b.add(mapping.get(s));
Now not only did I save the time it took me to type full variable names and curly braces (freeing me to spend 5 more seconds to think deep algorithmic thoughts), but I can also enter my code in obfuscation contests and potent...
Numpy - add row to array
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@Georgy To be honest, I don't know. I was here looking for answers same as you :-). I can't remember now why I wrote above comment. I must have seen in the docs its deprecated. But looking at the docs now... it doesn't say so. Is it possible they deprecate...
Appending a vector to a vector [duplicate]
...o use reserve if you are repeatedly inserting into a vector for which you know the final size, and that size is large. Otherwise, I'd let the STL grow your vector as needed.
– moodboom
Sep 10 '13 at 16:24
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How to stop app that node.js express 'npm start'
...(80, () => {
console.log('HTTP server listening on port 80');
});
// Now for the socket.io stuff - NOTE THIS IS A RESTFUL HTTP SERVER
// We are only using socket.io here to respond to the npmStop signal
// To support IPC (Inter Process Communication) AKA RPC (Remote P.C.)
const io = require('...
pandas dataframe columns scaling with sklearn
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I am not sure if previous versions of pandas prevented this but now the following snippet works perfectly for me and produces exactly what you want without having to use apply
>>> import pandas as pd
>>> from sklearn.preprocessing import MinMaxScaler
>>> scal...
Growing Amazon EBS Volume sizes [closed]
I'm quite impressed with Amazon's EC2 and EBS services. I wanted to know if it is possible to grow an EBS Volume.
11 Answer...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...rer :) I didn't realize the efficiency difference - that's very useful to know. Same for the hoisting effect - tricky, indeed. Thanks for such a great answer, I learned a lot from it!
– Leo
Dec 22 '10 at 11:09
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PHP: Storing 'objects' inside the $_SESSION
... it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved.
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How can I convert JSON to a HashMap using Gson?
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I know this is a fairly old question, but I was searching for a solution to generically deserialize nested JSON to a Map<String, Object>, and found nothing.
The way my yaml deserializer works, it defaults JSON objects to ...
How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
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Now MD5 & sha1 process changed Google After we got MD5 here.we need to get API key from Google API console right. thanks guys
– Crishnan Iyengar
Jul 12 '13 at 7:16
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