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..., which can impact your page load times. Yeah, yeah, I know... drop IE8. @MészárosLajos can come back here in a couple of years and bust our balls for still supporting IE8. ;-)
– erturne
Mar 5 '14 at 2:38
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Why does Git say my master branch is “already up to date” even though it is not?
...mind that the branch names are case sensitive!
– André Ramon
Nov 20 '19 at 13:55
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What's the recommended approach to resetting migration history using Django South?
... are taking too long, this worked for me.
rm <app-dir>/migrations/*
python manage.py schemamigration <app-name> --initial
python manage.py migrate <app-name> 0001 --fake --delete-ghost-migrations
Don't forget to manually restore any dependencies on other apps by adding lines li...
How to encrypt/decrypt data in php?
...ware, has not been updated in years and does not support standard PKCS#7 (née PKCS#5) padding, only non-standard null padding that can't even be used with binary data. mcrypt had many outstanding bugs dating back to 2003.. Instead consider using defuse, it is being maintained and is correct.
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When should I use @classmethod and when def method(self)?
...atic method of java or C++. ( static method is a general term I guess ;) )
Python also has @staticmethod. and difference between classmethod and staticmethod is whether you can
access to class or static variable using argument or classname itself.
class TestMethod(object):
cls_var = 1
@clas...
differentiate null=True, blank=True in django
...: CharFields can get saved as NULL in the database (translating to None in Python) if you set null=True. The docs even say to avoid setting null=True because it allows two different kinds of "blanky" values. I just tested this behaviour with Django 1.8/MySQL 5.6
– Edward D'Souz...
Declaring variables inside loops, good practice or bad practice?
...a logic problem, not a definition problem.
– Martin Véronneau
Jan 7 at 19:48
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Inserting a Link to a Webpage in an IPython Notebook
...
In case it is not a markdown cell, that is with what I went:
from IPython.core.display import display, HTML
display(HTML("""<a href="https://google.at">text</a>"""))
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imp...
How can I get the sha1 hash of a string in node.js?
...S is hashing the UTF-8 representation of the string. Other languages (like Python, PHP or PERL...) are hashing the byte string.
We can add binary argument to use the byte string.
const crypto = require("crypto");
function sha1(data) {
return crypto.createHash("sha1").update(data, "binary").dig...
What is a lambda (function)?
... nice way to write closures. With that power you can do things like this.
Python
def adder(x):
return lambda y: x + y
add5 = adder(5)
add5(1)
6
As you can see from the snippet of Python, the function adder takes in an argument x, and returns an anonymous function, or lambda, that takes anoth...