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How can I get a java.io.InputStream from a java.lang.String?
...want to use as an InputStream . In Java 1.0, you could use java.io.StringBufferInputStream , but that has been @Deprecrated (with good reason--you cannot specify the character set encoding):
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Why does one often see “null != variable” instead of “variable != null” in C#?
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It's a hold-over from C. In C, if you either use a bad compiler or don't have warnings turned up high enough, this will compile with no warning whatsoever (and is indeed legal code):
// Probably wrong
if (x = 5)
when you actually probably meant
if (x == 5)
You can work ...
Difference between map and collect in Ruby?
...and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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How can I push a specific commit to a remote, and not previous commits?
I have made several commits on different files, but so far I would like to push to my remote repository only a specific commit.
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Why do we usually use || over |? What is the difference?
I'm just wondering why we usually use logical OR || between two booleans not bitwise OR | , though they are both working well.
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Realistic usage of the C99 'restrict' keyword?
I was browsing through some documentation and questions/answers and saw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else.
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Why is '+' not understood by Python sets?
...or symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both sets).
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Best implementation for hashCode method for a collection
How do we decide on the best implementation of hashCode() method for a collection (assuming that equals method has been overridden correctly) ?
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Suppress warning CS1998: This async method lacks 'await'
...terface does not have anything to await, and some might just throw. It's a bit annoying with all the warnings.
14 Answers
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Understanding Node.js modules: multiple requires return the same object?
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If both app.js and b.js reside in the same project (and in the same directory) then both of them will receive the same instance of A. From the node.js documentation:
... every call to require('foo') will get exactly the same...