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What's the 'Ruby way' to iterate over two arrays at once
...ive you
[[1, 7], [2, 8], [3, 9], [4, 7], [5, 8], [6, 9]]
This saves you from the nil values that you'll get from just using zip
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Why do we have map, fmap and liftM?
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And, from my perspective as someone who first encountered Haskell more than a decade after the change @augustss describes was made, and has spent a lot of time helping people who are learning the language now, it's not at all clea...
Rails: How to get the model class name based on the controller class name?
... work in the application controller depending on which controller inherits from it.
– weltschmerz
Dec 16 '13 at 22:09
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Use of ~ (tilde) in R programming Language
...myFormula <- Species ~ . . When dot still be substituted with variables from data.frame? Could you provide an example
– srghma
Mar 13 at 10:19
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Why are there two build.gradle files in an Android Studio project?
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From the official documentation:
Android Studio projects contain a top-level project Gradle build file that allows you to add the configuration options common to all application modules in the project. Each application mo...
Java int to String - Integer.toString(i) vs new Integer(i).toString()
...first one because it's lighter, faster and doesn't use extra memory (aside from the returned string).
If you want an object representing an integer value—to put it inside a collection for example—you'd use the second one, since it gives you a full-fledged object to do all sort of things that ...
Initialization of all elements of an array to one default value in C++?
...0.
In C++, to set them all to -1, you can use something like std::fill_n (from <algorithm>):
std::fill_n(array, 100, -1);
In portable C, you have to roll your own loop. There are compiler-extensions or you can depend on implementation-defined behavior as a shortcut if that's acceptable.
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Set opacity of background image without affecting child elements
...h would not be an extra request. I'm not understanding where you're coming from.
– brad
Mar 2 '13 at 21:17
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How to compare two floating point numbers in Bash?
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i like this answer, people tend to shy away from awk esp beginners, they seem to think it is harder than it actually is, i think people get intimidated by the curly braces and the seemingly language mixed syntax (at a glance). And since awk is pretty much guaranteed to...
What is “Power Save Mode” in IntelliJ IDEA and other Jetbrains IDEs?
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It's a setting to stop the IDE from automatically performing the full range of battery-hungry code inspections in the background as you type.
You should find that with powersave turned on, syntax errors will still get highlighted, but iffy code constructs...