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What to do with commit made in a detached head
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Create a branch where you are, then switch to master and merge it:
git branch my-temporary-work
git checkout master
git merge my-temporary-work
share
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PHP array delete by value (not key)
...y]);
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array_search() returns the key of the element it finds, which can be used to remove that element from the original array using unset(). It will return FALSE on failure, however it can return a false-y value on success (your key may be 0 for example), which is why the strict comparison !== o...
What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypas...
Which method performs better: .Any() vs .Count() > 0?
in the System.Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
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valueOf() vs. toString() in Javascript
In Javascript every object has a valueOf() and toString() method. I would have thought that the toString() method got invoked whenever a string conversion is called for, but apparently it is trumped by valueOf().
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Is there a C# type for representing an integer Range?
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I found it best to roll my own. Some people use Tuples or Points, but in the end you want your Range to be extensive and provide some handy methods that relate to a Range. It's also best if generic (what if you need a range of Doubles, ...
Remove a symlink to a directory
... directory. I want to get rid of that symlink, while keeping the directory behind it.
9 Answers
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How to check if a float value is a whole number
I am trying to find the largest cube root that is a whole number, that is less than 12,000.
13 Answers
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Get item in the list in Scala?
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Use parentheses:
data(2)
But you don't really want to do that with lists very often, since linked lists take time to traverse. If you want to index into a collection, use Vector (immutable) or ArrayBuffer (mutable) or possibly Array (which is just a...
Is there a way to make R beep/play a sound at the end of a script?
...ently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
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