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string.charAt(x) or string[x]?
Is there any reason I should use string.charAt(x) instead of the bracket notation string[x] ?
6 Answers
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Differences between fork and exec
...cate of the current process, identical in almost every way. Not everything is copied over (for example, resource limits in some implementations) but the idea is to create as close a copy as possible.
The new process (child) gets a different process ID (PID) and has the PID of the old process (paren...
Using StringWriter for XML Serialization
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<TL;DR> The problem is rather simple, actually: you are not matching the declared encoding (in the XML declaration) with the datatype of the input parameter. If you manually added <?xml version="1.0" encoding="utf-8"?><test/> to the ...
return statement vs exit() in main()
... reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better choice than exit() .
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What does .SD stand for in data.table in R
... I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
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Calling remove in foreach loop in Java [duplicate]
In Java, is it legal to call remove on a collection when iterating through the collection using a foreach loop? For instance:
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What is the purpose of the HTML “no-js” class?
...he HTML5 Boilerplate , in various frameworks and in plain php sites there is the no-js class added onto the <HTML> tag.
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How to optimize for-comprehensions and loops in Scala?
So Scala is supposed to be as fast as Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
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List of Big-O for PHP functions
...er these two possible implementations of a function that finds if a number is prime using a cached array of primes.
4 Answe...
Java8 Lambdas vs Anonymous classes
...brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to.
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