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Python list of dictionaries search
..."age": 7 },
... { "name": "Dick", "age": 12 }
... ]
>>> next(item for item in dicts if item["name"] == "Pam")
{'age': 7, 'name': 'Pam'}
If you need to handle the item not being there, then you can do what user Matt suggested in his comment and provide a default using a slightly diffe...
hash function for string
...
I've had nice results with djb2 by Dan Bernstein.
unsigned long
hash(unsigned char *str)
{
unsigned long hash = 5381;
int c;
while (c = *str++)
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
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Python's many ways of string formatting — are the older ones (going to be) deprecated?
...% strings, there's no surviving plan to ever deprecate the latter.
In commit Issue #14123: Explicitly mention that old style % string formatting has caveats but is not going away any time soon., inspired by issue Indicate that there are no current plans to deprecate printf-style formatting, the doc...
How to find gaps in sequential numbering in mysql?
We have a database with a table whose values were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query:
...
Add Variables to Tuple
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edited Dec 16 '19 at 10:31
John R Perry
2,96011 gold badge2626 silver badges4444 bronze badges
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How do I use Django templates without the rest of Django?
...plate engine in my (Python) code, but I'm not building a Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
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Immutable vs Mutable types
...mutable type is. I know the float object is considered to be immutable, with this type of example from my book:
16 Answer...
Simple argparse example wanted: 1 argument, 3 results
...to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this, if B do that, if none of the above show help and quit" .
...
“Unknown provider: aProvider
...pe, i18n ) { /* ... */ }
This works just fine for AngularJS, but to make it work right with mangling, I had to change it to:
var applicationModule = angular.module( "example" );
function SomeController( $scope, i18n ) { /* ... */ }
applicationModule.controller( "SomeController", [ "$scope", "i18n...
Get img thumbnails from Vimeo?
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edited Jan 9 '13 at 15:38
answered Sep 1 '09 at 8:14
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