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Polymorphism in C++
...at when the type of data you're processing has a .size() member you'll use one function, otherwise another function that doesn't need .size() (but presumably suffers in some way - e.g. using the slower strlen() or not printing as useful a message in the log). You can also specify ad-hoc behaviours ...
Concatenate multiple files but include filename as section headers
I would like to concatenate a number of text files into one large file in terminal. I know I can do this using the cat command. However, I would like the filename of each file to precede the "data dump" for that file. Anyone know how to do this?
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Static Classes In Java
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What good are static classes? A good use of a static class is in defining one-off, utility and/or library classes where instantiation would not make sense. A great example is the Math class that contains some mathematical constants such as PI and E and simply provides mathematical calculations. Req...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...fo/Repetition
No trim() regex
It's also possible to do this with just one replaceAll, but this is much less readable than the trim() solution. Nonetheless, it's provided here just to show what regex can do:
String[] tests = {
" x ", // [x]
" 1 2 3 ", // [1...
Haskell: Lists, Arrays, Vectors, Sequences
... they are coinductive (other languages call these streams) so things like
ones :: [Integer]
ones = 1:ones
twos = map (+1) ones
tenTwos = take 10 twos
work wonderfully. Infinite data structures rock.
Lists in Haskell provide an interface much like iterators in imperative languages (because of ...
How do you fork your own repository on GitHub?
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I don't think you can fork your own repo.
Clone it and push it to a new repo is good but you need to:
git clone https://github.com/userName/Repo New_Repo
cd New_Repo
git remote set-url origin https://github.com/userName/New_Repo
git remote add upstream https://github....
How to delete a stash created with git stash create?
...vote correct answer specific to the second half of the title. That's a new one.
– dahlbyk
Sep 18 '13 at 3:19
10
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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...git rebase -i <commit>^
That takes you to the commit just before the one you want to remove. The interactive editor will show you a list of all the commits back to that point. You can pick, squash, etc. In this case remove the line for the commit you want to erase and save the file. Rebase wil...
Difference between Node object and Element object?
...generic name for any type of object in the DOM hierarchy. A node could be one of the built-in DOM elements such as document or document.body, it could be an HTML tag specified in the HTML such as <input> or <p> or it could be a text node that is created by the system to hold a block of ...
Large-scale design in Haskell? [closed]
...ional data structures, operate on those structures, then once all work is done, render/flush/serialize out. Keeps most of your code pure
Testing
QuickCheck + Haskell Code Coverage, to ensure you are testing the things you can't check with types.
GHC + RTS is great for seeing if you're spending t...