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How to convert a Java 8 Stream to an Array?
... it does is find a method that takes in an integer (the size) as argument, and returns a String[], which is exactly what (one of the overloads of) new String[] does.
You could also write your own IntFunction:
Stream<String> stringStream = ...;
String[] stringArray = stringStream.toArray(size...
Node.js Best Practice Exception Handling
... days ago. I've realized that the Node is terminated whenever I have an unhandled exception in my program. This is different than the normal server container that I have been exposed to where only the Worker Thread dies when unhandled exceptions occur and the container would still be able to receive...
Rails new vs create
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Within Rails' implementation of REST new and create are treated differently.
An HTTP GET to /resources/new is intended to render a form suitable for creating a new resource, which it does by calling the new action within the controller, which creates a new unsaved...
Async/Await vs Threads
...b done. Ideally it doesn't use a thread at all, it posts a driver request and once the driver completes the data transfer it generates a completion notification callback. Networking is by far the most common usage, latencies of hundreds of milliseconds are common and an inevitable side-effect of s...
Convert pandas dataframe to NumPy array
I am interested in knowing how to convert a pandas dataframe into a NumPy array.
15 Answers
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TSQL - How to use GO inside of a BEGIN .. END block?
...ses to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement.
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Java RegEx meta character (.) and ordinary dot?
... RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...)
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Why is there no SortedList in Java?
In Java there are the SortedSet and SortedMap interfaces. Both belong to the Java Collections framework and provide a sorted way to access the elements.
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Interface type check with Typescript
...ou could instead add a discriminator. The below is the most basic example, and requires you to manage your own discriminators... you'd need to get deeper into the patterns to ensure you avoid duplicate discriminators.
interface A{
discriminator: 'I-AM-A';
member:string;
}
function instance...
How to find the mime type of a file in python?
...stance in BLOBs. Let's say you want to dish these files out via a web page and have the client automatically open the correct application/viewer.
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