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How do I use pagination with Django class based generic ListViews?
...th traditional function based views, it is easy to find. I found that just by setting the paginate_by variable is enough to activate the pagination. See in Class-based generic views.
For example, in your views.py:
import models
from django.views.generic import ListView
class CarListView(ListView)...
Find an element in DOM based on an attribute value
...great...if you're not, you need not rely it on just for selecting elements by attributes anymore.
There's not a very short way to do this in vanilla javascript, but there are some solutions available.
You do something like this, looping through elements and checking the attribute
If a library l...
Fast way to discover the row count of a table in PostgreSQL
...tely after a big INSERT or DELETE.
TEMPORARY tables (which are not covered by autovacuum).
This only looks at a random n % (1 in the example) selection of blocks and counts rows in it. A bigger sample increases the cost and reduces the error, your pick. Accuracy depends on more factors:
Distribu...
What is a “translation unit” in C++
I am reading at the time the "Effective C++" written by Meyers
and came across the term "translation unit".
11 Answers
...
How can I make Jenkins CI with Git trigger on pushes to master?
...
As already noted by gezzed in his comment, meanwhile there is a good solution (described in Polling must die: triggering Jenkins builds from a Git hook):
Set the Jenkins job's build trigger to Poll SCM, but do not specify a schedule.
Create...
bash HISTSIZE vs. HISTFILESIZE?
... only commands 41 to 50 are in your history list, whose size is determined by HISTSIZE=10.
You end your session.
Assuming histappend is not enabled, commands 41 to 50 are saved to your HISTFILE which now has the 10 commands it held at the beginning plus the 10 newly written commands.
Your HISTFILE ...
Should everything really be a bundle in Symfony 2.x?
...rst, you need to tell JMSDiExtraBundle to scan the src folder for services by adding this to config.yml:
jms_di_extra:
locations:
directories: %kernel.root_dir%/../src
Then you define controllers as services and put them under the Controller namespace:
<?php
namespace Vendor\Controll...
The most efficient way to implement an integer based power function pow(int, int)
...
Exponentiation by squaring.
int ipow(int base, int exp)
{
int result = 1;
for (;;)
{
if (exp & 1)
result *= base;
exp >>= 1;
if (!exp)
break;
base *= base;
}...
How to print a percentage value in python?
...umble over while reading the code. I think with Python 3 and real division by default this irritation is gone.
– miku
Jul 17 '13 at 8:19
...
Split by comma and strip whitespace in Python
...ow.com/review/suggested-edits/21504253. Can you please tell them otherwise by making the correction if they are wrong (again)?
– Forage
Nov 25 '18 at 10:19
...