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Django 1.7 - makemigrations not detecting changes
... Under Django 1.9 here and my app was created with ./manage.py startapp, but I still had to explicitely mention the label
– maxbellec
Aug 5 '16 at 14:53
add a comm...
TransactionScope automatically escalating to MSDTC on some machines?
... transaction adds unnecessary overhead
that decreases performance.
Starting with SQL Server 2008 and
version 3.5 of the .NET Framework,
local transactions are no longer
promoted to distributed transactions
if another connection is opened in the
transaction after the previous
tran...
Bash script absolute path with OS X
...
Just in case anyone is crazy enough to start a python interpreter for a single command…
– Bachsau
Jun 21 '19 at 10:22
...
Fully custom validation error message with Rails
...m-err-msg works with Rails 5, and with the locale setup.
You just need to start the locale message with a caret and it shouldn't display the attribute name in the message.
A model defined as:
class Item < ApplicationRecord
validates :name, presence: true
end
with the following en.yml:
en:...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...s/([^-]+)-([^.]+)/$2-$1/g' *. The pattern ^([^-]+)-([^.]+) means: from the start of the name, capture 1 or more chars that are NOT -, then expect a dash, then capture 1 or more chars that are not .. $1 is the first capture, $2 is the second.
– erich2k8
Apr 18 '...
What is the difference between Factory and Strategy patterns?
...oding to abstractions rather than "concretions" then a lot of the patterns start looking like variations on a theme.
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Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
...
Dealing with multiple Python versions and PIP?
...up.py install". Personally I find this solution to be not very nice. For a start I didn't even know the pip command wasn't a binary. This isn't a criticism of @bwinton, I'm just surprised there isn't a better way to do this.
– Mike Vella
Apr 18 '12 at 13:17
...
The multi-part identifier could not be bound
...r. For example the project I created was CTU SQL Project so I made sure I started my script with USE [CTU SQL Project] as my first line like below.
USE [CTU SQL Project]
SELECT Advisors.First
Load multiple packages at once
...ds for package. Every function in the package that is useful and exported starts with p_. Plus we tend to use library a bit and that's an additional 7 characters. 7 characters x ~1000000 life time uses of the function x .5 seconds per character = 3500000 seconds. That's 58333.33 minutes, 972.222...