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Passing two command parameters using a WPF binding
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Firstly, if you're doing MVVM you would typically have this information available to your VM via separate properties bound from the view. That saves you having to pass any parameters at all to your commands.
However, you could also multi-bind and use a converter to cre...
Convert Unicode to ASCII without errors in Python
...2018, using compressions like gzip has become quite popular (around 73% of all websites use it, including large sites like Google, YouTube, Yahoo, Wikipedia, Reddit, Stack Overflow and Stack Exchange Network sites).
If you do a simple decode like in the original answer with a gzipped response, you'l...
Reset PHP Array Index
... answered Jun 7 '19 at 4:52
Allan MwesigwaAllan Mwesigwa
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Required tags not present when using Delphi XML Data Binding Wizard
...e="MyReportType" />
<xs:complexType name="MyReportType">
<xs:all>
<xs:element name="Header" type="HeaderType" use="optional" />
<xs:element name="Values" type="ValuesType" use="optional" />
<xs:element name="Events" type="EventsType" use="optional" />
...
How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...of PostgreSQL
In old versions of PostgreSQL (prior to 8.x?) you had to do all the dirty work. The following sequence of commands should do the trick:
ALTER TABLE test1 ADD COLUMN id INTEGER;
CREATE SEQUENCE test_id_seq OWNED BY test1.id;
ALTER TABLE test ALTER COLUMN id SET DEFAULT nextval('...
Split views.py in several files
...__.py use *, like this:
from viewsa import *
from viewsb import *
I actually don't know about speed issues (but I doubt there are any).
For Models it might be a bit difficult.
share
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improve t...
How can I get a view's current width and height when using autolayout constraints?
...our existing constraints, the answer is not to inspect the constraints manually, since that would require you to re-implement the entire constraint-solving logic of the auto layout system in order to interpret those constraints. Instead, what you should do is just ask auto layout to update that layo...
“You are on a branch yet to be born” when adding git submodule
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I've verified all of these things. When I check out the desired repo to another directory, it has many files, and a master branch. The repo I am trying to add this one to as a submodule is on the master branch, has no obvious problems (sta...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...gnore rules, unlike .git/info/exclude.
So, .gitignore is available across all clones of the repository. Therefore, in large teams all people are ignoring the same kind of files Example *.db, *.log.
And you can have more specific ignore rules because of multiple .gitignore.
.git/info/exclude is av...
Is arr.__len__() the preferred way to get the length of an array in Python?
...ples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicitly implement a public...