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Why is Magento so slow? [closed]
...en means querying multiple rows
There's a lot of things behind the scenes (application configuration, system config, layout config, etc.) that involve building up giant XML trees in memory and then "querying" those same trees for information. This takes both memory (storing the trees) and CPU (pars...
What is the difference between and ? [duplicate]
... answered Oct 25 '11 at 12:03
pappap
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How to handle click event in Button Column in Datagridview?
I am developing a windows application using C#. I am using DataGridView to display data. I have added a button column in that. I want to know how can I handle click event on that button in DataGridView.
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MySQL Great Circle Distance (Haversine formula)
...0.0 miles of the lat/long point 42.81/-70.81 . When you build this into an app, that's where you put your own point and search radius.
If you want to work in kilometers rather than miles, change 69 to 111.045 and change 3963.17 to 6378.10 in the query.
Here's a detailed writeup. I hope it helps s...
DDD - the rule that Entities can't access Repositories directly
...lking about a bounded context. Each bounded context is essentially its own application. You might have a sophisticated approval system for getting things into the product catalog. In your original design the product was the center piece but in this bounded context the product catalog is. You still m...
How do I connect to a MySQL Database in Python?
... fast to setup then use. It makes my day for small projects or stand alone apps, Where using big tools like SQLAlchemy or Django is overkill :
import peewee
from peewee import *
db = MySQLDatabase('jonhydb', user='john', passwd='megajonhy')
class Book(peewee.Model):
author = peewee.CharField(...
How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
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If you are happy with the xlsx format, try my GitHub project, EPPlus. It started with the source from ExcelPackage, but today it's a total rewrite.
It supports ranges, cell styling, charts, shapes, pictures, named ranges, AutoFilter and ...
I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it
I just discovered that every request in an ASP.Net web application gets a Session lock at the beginning of a request, and then releases it at the end of the request!
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How to detect page zoom level in all modern browsers?
...de my window small and zoomed into my site such that horizontal scrollbars appeared, document.width / jQuery(document).width() did not equal 1 at the default zoom. This is because document.width includes part of the document outside the viewport.
Using window.innerWidth and window.outerWidth worked...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
...w is to list all dependencies in setup.py and remove requirements.txt. For applications requiring both, simply reduce the dependency list in requirements.txt to merely the . character. Done.
– Cecil Curry
Jun 30 '16 at 5:40
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