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Using Django time/date widgets in custom form
...e AdminDateWidget / AdminTimeWidget / AdminSplitDateTime (replace 'mydate' etc with the proper field names from your model):
from django import forms
from my_app.models import Product
from django.contrib.admin import widgets
class ProductForm(forms.ModelForm)...
Get timezone from DateTime
...t-in method to return the offset or the timezone name (e.g. EAT, CEST, EST etc).
Like suggested by others, you can convert your date to UTC:
DateTime localtime = new DateTime.Now;
var utctime = localtime.ToUniversalTime();
and then only calculate the difference:
TimeSpan difference = localtime...
Android RelativeLayout programmatically Set “centerInParent”
...stance animate an image from a relative left offset to a centered position etc.
– Jonny
Nov 5 '12 at 11:40
27
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SBT stop run without exiting
... the Task Manager (Windows), or Force Quit or Activity Monitor (Mac OS X), etc.
– Seth Tisue
Mar 21 '11 at 16:45
...
AtomicInteger lazySet vs. set
... "lazySet" method to the Atomic classes
(AtomicInteger, AtomicReference, etc). This is a niche
method that is sometimes useful when fine-tuning code using
non-blocking data structures. The semantics are
that the write is guaranteed not to be re-ordered with any
previous write, but may be r...
sort object properties and JSON.stringify
...uch. Just that the author(s) don't care about those issues or have no time etc. Not every lib needs to be updated every couple of months. In fact, imho, the best libs get updates very infrequently. When something is done, it's done. I'm not saying this project has no real issues, but if so, please p...
Unique (non-repeating) random numbers in O(1)?
...tarted with.
This technique doesn't need memory to store a shuffled array etc, which can be an advantage on systems with limited memory.
AES-FFX is one proposed standard method to achieve this. I've experimented with some basic Python code which is based on the AES-FFX idea, although not fully con...
Manually adding a Userscript to Google Chrome
...er to install userscripts directly from sites like OpenUserJS, MonkeyGuts, etc.
Finally, it unlocks most all of the GM functionality that you don't get by installing a GM script directly with Chrome. That is, more of what GM on Firefox can do, is available with Tampermonkey.
But, if you really ...
Python memory usage of numpy arrays
...ngling' numpy.ndarray's, in particular the ones that are stored in _1, _2, etc that were never really meant to stay alive.
I use this code to get a listing of all of them and their size.
Not sure if locals() or globals() is better here.
import sys
import numpy
from humanize import naturalsize
...
How can I loop through a List and grab each item?
...pends on the size of the List, how many operations you do within the loop, etc.... This was what I was getting at.
– awudoin
Sep 19 '13 at 3:35
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