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Ways to circumvent the same-origin policy
...o a completely alien domain.
Source: https://developer.mozilla.org/en/Same_origin_policy_for_JavaScript
The Cross-Origin Resource Sharing method
Method type: AJAX.
Cross-Origin Resource Sharing (CORS) is a W3C Working Draft that defines how the browser and server must communicate when accessin...
How can I build multiple submit buttons django form?
...
You can use self.data in the clean_email method to access the POST data before validation. It should contain a key called newsletter_sub or newsletter_unsub depending on which button was pressed.
# in the context of a django.forms form
def clean(self):
...
How to stage only part of a new file with git?
...business seems overly complicated. How about this instead:
git add -N new_file
git add -i
From git help add:
-N, --intent-to-add
Record only the fact that the path will be added later. An entry
for the path is placed in the index with no content. This is useful
for, among other th...
Applying function with multiple arguments to create a new pandas column
...f = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function in general case:
>>> def fx(x, y):
...
What actually causes a Stack Overflow error? [duplicate]
...t pc=0x00007f4822f9d501, pid=4988, tid=139947823249152
#
# JRE version: 6.0_27-b27
# Java VM: OpenJDK 64-Bit Server VM (20.0-b12 mixed mode linux-amd64 compressed oops)
# Derivative: IcedTea6 1.12.6
# Distribution: Ubuntu 10.04.1 LTS, package 6b27-1.12.6-1ubuntu0.10.04.2
# Problematic frame:
# V [l...
Python list iterator behavior and next(iterator)
... a = iter(list(range(10)))
>>> for i in a:
... print(i)
... _ = next(a)
...
0
2
4
6
8
or print extra information to differentiate the print() output from the interactive interpreter echo:
>>> a = iter(list(range(10)))
>>> for i in a:
... print('Printing: {}'.f...
Rails: Using build with a has_one association in rails
... later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile .
...
Diff output from two programs without temporary files
...
One option would be to use named pipes (FIFOs):
mkfifo a_fifo b_fifo
./a > a_fifo &
./b > b_fifo &
diff a_fifo b_fifo
... but John Kugelman's solution is much cleaner.
share
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Maven: The packaging for this project did not assign a file to the build artifact
...nything mvn install:install any where in config
– Pra_A
Apr 16 at 5:33
add a comment
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Django: Why do some model fields clash with each other?
... a reverse relation from User back to GameClaim, which is usually gameclaim_set. However, because you have two FKs, you would have two gameclaim_set attributes, which is obviously impossible. So you need to tell Django what name to use for the reverse relation.
Use the related_name attribute in the...