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Using numpy to build an array of all combinations of two arrays
... FYI: seems to have made it into the scikit-learn package at from sklearn.utils.extmath import cartesian
– Gus
Sep 13 '13 at 4:27
2
...
Merging 2 branches together in GIT
...B
# hack hack
$ git commit -am "commit on branch B"
# create new branch C from A
$ git checkout -b C A
# hack hack
$ git commit -am "commit on branch C"
# go back to branch A
$ git checkout A
# hack hack
$ git commit -am "commit on branch A"
so now there are three separate branches (namely A B a...
Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)
...o the theme of
your web page.
My solution was thus to copy the styling from the example I wished to replicate:
.tt-query, /* UPDATE: newer versions use tt-input instead of tt-query */
.tt-hint {
width: 396px;
height: 30px;
padding: 8px 12px;
font-size: 24px;
line-height: 30p...
NameError: global name 'xrange' is not defined in Python 3
... range = xrange
except NameError:
pass
# Python 2 code transformed from range(...) -> list(range(...)) and
# xrange(...) -> range(...).
The latter is preferable for codebases that want to aim to be Python 3 compatible only in the long run, it is easier to then just use Python 3 synta...
How to search contents of multiple pdf files?
...ctly what its name suggests.
pdfgrep -R 'a pattern to search recursively from path' /some/path
I've used it for simple searches and it worked fine.
(There are packages in Debian, Ubuntu and Fedora.)
Since version 1.3.0 pdfgrep supports recursive search. This version is available in Ubuntu sinc...
Determine if two rectangles overlap each other?
I am trying to write a C++ program that takes the following inputs from the user to construct rectangles (between 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
...
Django admin: how to sort by one of the custom list_display fields that has no database field
...t I'd like to point that you can do the same thing directly in the admin:
from django.db import models
class CustomerAdmin(admin.ModelAdmin):
list_display = ('number_of_orders',)
def get_queryset(self, request):
# def queryset(self, request): # For Django <1.6
qs = super(Cu...
Can I store images in MySQL [duplicate]
...t was in 2011 but now DBs are so improved and store blob columns separated from the normal data, you'll never notice a change of speed. there is even streamline too
– azerafati
Sep 17 '15 at 13:49
...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
... practice to declare "Property" access type is to move ALL the annotations from the member properties to the corresponding getters. A big word of caution is not to mix "Field" and "Property" access types within the entity class otherwise the behavior is undefined by the JSR-317 specifications.
...
Initial bytes incorrect after Java AES/CBC decryption
... does). Now, one particular use case may be to have encrypted bytes coming from a String, or be sent as a String (base64 MIME attachment for a Mail...), but that is an issue of encoding bytes, for which there exists hundreds of solutions, totally unrelated to AES/encryption.
– ...