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Why should I care that Java doesn't have reified generics?
...ently as something the candidate wished to see added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there.
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Get the index of the object inside an array, matching a condition
...ex = a.findIndex(x => x.prop2 ==="yutu");
console.log(index);
It's supported in Google Chrome, Firefox and Edge. For Internet Explorer, there's a polyfill on the linked page.
Performance note
Function calls are expensive, therefore with really big arrays a simple loop will perform muc...
How to clean project cache in Intellij idea like Eclipse's clean?
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Depending on the version you are running. It is basically the same just go to
File -> Invalidate caches, then restart Intellij
or
File -> Invalidate caches / Restart
The main difference is that in older versions you had to manually restart as cache files are ...
SSL Error: CERT_UNTRUSTED while using npm command
...sonally I believe bypassing https is not the real solution, but we can use it as a workaround.
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I need this baby in a month - send me nine women!
...ic to your project ( e.g. development team, management style, process maturity, difficulty of the subject matter, etc.). In order to scope this a bit better so we can speak about it in anything but sweeping oversimplifications, I'm going to restate your question:
Under what circumstances, if an...
How do I load my script into the node.js REPL?
I have a script foo.js that contains some functions I want to play with in the REPL.
11 Answers
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...I'm looking for the answer to what do I need to do if I want to accept credit card payments?
9 Answers
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
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Granted that the behavior is inconsistent, but I think it's easy to imagine cases where this is convenient. Anyway, to get a DataFrame every time, just pass a list to loc. There are other ways, but in my opinion this is the cleanest.
In [2]: type(df.loc[[3]])
Out[2]: pandas.core...
How are Anonymous inner classes used in Java?
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By an "anonymous class", I take it you mean anonymous inner class.
An anonymous inner class can come useful when making an instance of an object with certain "extras" such as overriding methods, without having to actually subclass a class.
I tend to use i...
What is the purpose of fork()?
... have seen code using fork() . Why do we need to use fork() and what is its purpose?
15 Answers
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