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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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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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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...
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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User recognition without cookies or local storage
...ternative measure, you might create your own simple scoring algorithm, and base it on exact matches. This is not as efficient as probability, but may be simpler for you to implement.
As an example, consider this simple score chart:
+-------------------------+--------+------------+
| Proper...