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How to convert a string or integer to binary in Ruby?
...
You would naturally use Integer#to_s(2), String#to_i(2) or "%b" in a real program, but, if you're interested in how the translation works, this method calculates the binary representation of a given integer using basic operators:
def int_t...
Is there any haskell function to concatenate list with separator?
...gonkai Not sure what exactly you're referring to, but yes, these functions all allow arbitrary strings as both the separator and the elements. For example, intercalate "," ["some", "", "string"] = "some,,string" and intercalate "" ["foo", "bar"] = "foobar"
– Niklas B.
...
How can I check if a program exists from a Bash script?
...type or command are way cheaper), you can also rely on the builtins to actually do what you want, while the effects of external commands can easily vary from system to system.
Why care?
Many operating systems have a which that doesn't even set an exit status, meaning the if which foo won't even wor...
How to redirect to a dynamic login URL in ASP.NET MVC
...o good reason you shouldn't), something at the end of the day is going to call FormsAuthentication.RedirectToLoginPage() which is going to look at the one configured URL. There's only one login URL, ever, and that's just how they designed it.
My stab at the problem (possibly a Rube Goldberg impleme...
What is a method group in C#?
...ng format), etc - hence ToString by itself is a "method group".
It can usually convert a method group to a (typed) delegate by using overload resolution - but not to a string etc; it doesn't make sense.
Once you add parentheses, again; overload resolution kicks in and you have unambiguously identi...
How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Schema::create('really_long_table_name', function($...
Nullable type issue with ?: Conditional Operator
...
@starmandeluxe they all likely point here (at least that I how I got here)
– Scott Chamberlain
May 8 '17 at 15:44
add a ...
What does the M stand for in C# Decimal literal notation?
... Although it has been suggested that M
stands for money, Peter Golde recalls
that M was chosen simply as the next
best letter in decimal.
A similar annotation mentions that early versions of C# included "Y" and "S" for byte and short literals respectively. They were dropped on the grounds o...
iOS Image Orientation has Strange Behavior
...erty. If the metadata specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data property set to right angle. So Mac shows it 90 degree rotated manner. You can see the same image in proper way in windows OS.
For more detail...
TypeError: module.__init__() takes at most 2 arguments (3 given)
...named Object.py . When I try to inherit from this class in another file, calling the constructor throws an exception:
5 An...