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Flask-SQLAlchemy import/context issue
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This pattern does not necessitate the you place all of your models in one file. Simply import the db variable into each of your model modules.
Example
# apps.shared.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
# apps.members.models
from apps.shared.models import db
clas...
How to retrieve the first word of the output of a command in bash?
... -- $string
$ echo $1
word1
$ echo $2
word2
now you can assign $1, or $2 etc to another variable if you like.
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How would you make a comma-separated string from a list of strings?
...t;> import io
>>> s = io.StringIO()
>>> print(*alist, file=s, sep=', ', end='')
>>> s.getvalue()
"a, 1, (2, 'b')"
NOTE: The space after comma is intentional.
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What is a mixin, and why are they useful?
...ment in a string. Again, this is a contrived example, so perhaps you use a file stream, or an XML Writer class from your language's runtime library... whatever. The point is that you want to serialize your object to XML and get a new object back from XML.
The other important point in this example ...
pull/push from multiple remote locations
...almost shorthand for git pull origin HEAD (actually it looks in the config file to determine this, but you get the idea).
For pushing updates, you have to do that to each repo manually.
A push was, I think, designed with the central-repository workflow in mind.
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How to display all methods of an object?
...ertyNames(Math));
//-> ["E", "LN10", "LN2", "LOG2E", "LOG10E", "PI", ...etc ]
You can then use filter() to obtain only the methods:
console.log(Object.getOwnPropertyNames(Math).filter(function (p) {
return typeof Math[p] === 'function';
}));
//-> ["random", "abs", "acos", "asin", "atan"...
Defining a variable with or without export
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I'd also add that if the export is in a file that you "source" (like . filename) then it exports it to your working environment as well.
– rogerdpack
Sep 17 '13 at 22:44
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Slide right to left?
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To clarify - the min file is at least 235kb!! This is good but it will add considerably to your page as @Jesse points out
– Ukuser32
Feb 23 '16 at 16:24
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Is it safe to ignore the possibility of SHA collisions in practice?
... one megabyte each.
We calculate the SHA-256 hash for the contents of each file.
The possibility of collision depends on:
3...
Bash script to set up a temporary SSH tunnel
...omain.com
Exit request sent.
Note that my-ctrl-socket will be an actual file that is created.
I got this info from a very RTFM reply on the OpenSSH mailing list.
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