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What does the “|” (single pipe) do in JavaScript?
Why does 0.5 | 0 return zero, but any integer (including negative) returns the input integer? What does the single pipe ("|") do?
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Does Android support near real time push notification?
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It does it by opening a TCP/IP connection and leaving it open. It doesn't poll, although it does have to occasionally send a small ping message down the connection to keep it alive.
– dalelane
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What does the construct x = x || y mean?
I am debugging some JavaScript, and can't explain what this || does?
12 Answers
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
When using -p mode of git add -p or git stash -p what does each of the letters stand for?
2 Answers
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Does a “Find in project…” feature exist in Eclipse IDE?
Does Eclipse have a way to search a whole project for some text like Xcode's "find in project" feature?
16 Answers
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Maven does not find JUnit tests to run
I have a maven program, it compiles fine. When I run mvn test it does not run any tests (under TESTs header says There are no tests to run. ).
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What does gcc's ffast-math actually do?
...der strict FP behavior.
I haven't actually checked to see if GCC actually does this particular optimization. But the idea is the same.
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What does it mean that Javascript is a prototype based language?
...reated it, forming a chain. When an object is asked for a property that it does not have, its parent object will be asked... continually up the chain until the property is found or until the root object is reached.
Each function in JavaScript (which are objects themselves) actually has a member cal...
HttpUtility does not exist in the current context
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My solution Explorer tree does not contain "Reference"
– Paul Gorbas
Apr 13 '18 at 19:03
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Modular multiplicative inverse function in Python
Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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