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Do I really have a car in my garage? [duplicate]
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@T-Rex Absolutely not! There are cases where a base class stands fine on it's own, but you might also want to inherit from it. Continuing with the Vehicle example, you may have a Boat in your garage that has all the information you need to operate your boat. But your ne...
Relative paths based on file location instead of current working directory [duplicate]
...ir; necessary for correct resolution of target path.
fname=$(command basename -- "$target") # Extract filename.
[[ $fname == '/' ]] && fname='' # !! curiously, `basename /` returns '/'
if [[ -L $fname ]]; then
# Extract [next] target path, which is defined
#...
Generating all permutations of a given string
... all the permutations of the remaining letters using a recursive call.
The base case is when the input is an empty string the only permutation is the empty string.
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How to debug an apache virtual host configuration?
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Syntax check
To check configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Deb...
In git, what is the difference between merge --squash and rebase?
...o git and I'm trying to understand the difference between a squash and a rebase. As I understand it you perform a squash when doing a rebase.
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The modulo operation on negative numbers in Python
...thon, modulo operator works like this.
>>> mod = n - math.floor(n/base) * base
so the result is (for your case):
mod = -5 - floor(-1.25) * 4
mod = -5 - (-2*4)
mod = 3
whereas other languages such as C, JAVA, JavaScript use truncation instead of floor.
>>> mod = n - int(n/base) * ...
How to get a complete list of object's methods and attributes?
...letion: in addition to dir(), look for __class__, and then to go for its __bases__:
# code borrowed from the rlcompleter module
# tested under Python 2.6 ( sys.version = '2.6.5 (r265:79063, Apr 16 2010, 13:09:56) \n[GCC 4.4.3]' )
# or: from rlcompleter import get_class_members
def get_class_member...
Converting bytes to megabytes
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Well, I agree with you and I also use 10-base mega and 2-base kibi and mebi. That is the IEC standard for metric use: that is final and there is no use kicking over it.
– Zan Lynx
Aug 12 '10 at 18:27
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
I am having this error when seeding my database with code first approach.
29 Answers
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How does JavaScript .prototype work?
...share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works?
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