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Error to install Nokogiri on OSX 10.9 Maverick?
... I ran xcode-select --install before the brew install and all works now.
– Quickredfox
Nov 20 '13 at 0:10
1
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SQLAlchemy: cascade delete
...SCADE that you set up. This is because it relies on those foreign keys to know which child rows to delete. Once SqlAlchemy has set them all to NULL, the database can't delete them. Setting the passive_deletes=True prevents SqlAlchemy from NULLing out the foreign keys.
You can read more about passive...
Python: Why is functools.partial necessary?
... base=2),)
if setattr(f, 'keywords', {'base': 2}) is None][0]
Now combine the named-arguments overridability, plus the setting of three attributes, into a single expression, and tell me just how readable that is going to be...!
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How to search a specific value in all tables (PostgreSQL)?
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@Henno: yes it requires PG-9.1. Edited now to make that explicit. To use it with older versions, you'll have to adapt it.
– Daniel Vérité
May 11 '14 at 12:27
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Activate a virtualenv via fabric as deploy user
...
Right now, you can do what I do, which is kludgy but works perfectly well* (this usage assumes you're using virtualenvwrapper -- which you should be -- but you can easily substitute in the rather longer 'source' call you mentioned,...
Get file version in PowerShell
...
Nowadays you can get the FileVersionInfo from Get-Item or Get-ChildItem, but it will show the original FileVersion from the shipped product, and not the updated version. For instance:
(Get-Item C:\Windows\System32\Lsasrv.dll...
What does the slash mean in help() output?
...s are mapped to parameters based solely on their position.
The syntax is now part of the Python language specification, as of version 3.8, see PEP 570 – Python Positional-Only Parameters. Before PEP 570, the syntax was already reserved for possible future inclusion in Python, see PEP 457 - Synta...
Case insensitive string compare in LINQ-to-SQL
...e other? I thought I read somewhere that ToUpper was better, but I don't know if that applies here. (I'm doing a lot of code reviews and everyone is using ToLower.)
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How to merge YAML arrays?
... "ssh://git@gitlab.com"
- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage: test
script:
- *pip_git
- pip install -q -r requirements_test.txt
- python -m unittest d...
The model backing the context has changed since the database was created
...
Now it's:
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
Database.SetInitializer<YourDbContext>(null);
base.OnModelCreating(modelBuilder);
}
in your YourDbContext.cs file.
...