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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
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Rails has an except/except! method that returns the hash with those keys removed. If you're already using Rails, there's no sense in creating your own version of this.
class Hash
# Returns a hash that includes everything but the given ...
What's the opposite of chr() in Ruby?
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If String#ord didn't exist in 1.9, it does in 2.0:
"A".ord #=> 65
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SQlite Getting nearest locations (with latitude and longitude)
...base, and I want to get the nearest locations to the parameters I put in (ex. My current location - lat/lng, etc.).
5 Answe...
How to loop through all the properties of a class?
... " + property.Name + ", Value: " + property.GetValue(obj, null));
}
for Excel - what tools/reference item must be added to gain access to BindingFlags, as there is no "System.Reflection" entry in the list
Edit: You can also specify a BindingFlags value to type.GetProperties():
BindingFlags flags...
Copy folder recursively, excluding some folders
...der including hidden files and folders into another folder, but I want to exclude certain specific folders. How could I achieve this?
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What's the difference between => , ()=>, and Unit=>
...what is passed is substituted for the value name inside the function. For example, take this function:
def f(x: => Int) = x * x
If I call it like this
var y = 0
f { y += 1; y }
Then the code will execute like this
{ y += 1; y } * { y += 1; y }
Though that raises the point of what happens...
What is the C++ function to raise a number to a power?
... I recommend to read my comment before adding a comment. ;-) I explained that it DOES give an ambiguity. (Compiler of VS2008)
– Marvin
May 3 '13 at 10:28
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How to find the port for MS SQL Server 2008?
...port is 1433 but some how it is not listening at this port. The SQL is an Express edition.
13 Answers
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Variable name as a string in Javascript
...ly, yes - all properties of obj are printed as name: value pairs. But the explaining text could be more clear.
– Matt
Apr 20 '18 at 9:23
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...udo apt-get in Ubuntu. I've heard that I should use homebrew but I'm not exactly sure what homebrew or macports does?
4 A...