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How to design a product table for many kinds of product where each product has many parameters
...stead, one table per product type, storing both common product attributes, and product-specific attributes.
Serialized LOB: One table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This...
Set cookie and get cookie with JavaScript [duplicate]
... which CSS file I choose in my HTML. I have a form with a list of options, and different CSS files as values. When I choose a file, it should be saved to a cookie for about a week. The next time you open your HTML file, it should be the previous file you've chosen.
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Hashset vs Treeset
I've always loved trees, that nice O(n*log(n)) and the tidiness of them. However, every software engineer I've ever known has asked me pointedly why I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functi...
C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
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Coredata Error “data: ”
...ou access one of the properties, core data will go to the persistent store and fetch the rest of your values, then you'll get the full description in the logs.
This seems to be such a common misunderstanding that I decided to write about it, here.
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
...shing 103 is the datetime format.
Refer this link for conversion formats and further reading.
https://www.w3schools.com/sql/func_sqlserver_convert.asp
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Check if Python Package is installed
... a python script, just do something like this:
Python 3.3+ use sys.modules and find_spec:
import importlib.util
import sys
# For illustrative purposes.
name = 'itertools'
if name in sys.modules:
print(f"{name!r} already in sys.modules")
elif (spec := importlib.util.find_spec(name)) is not None...
How can I get a list of locally installed Python modules?
...is solution applies to the system scope or to a virtual environment scope, and covers packages installed by setuptools, pip and (god forbid) easy_install.
My use case
I added the result of this call to my flask server, so when I call it with http://example.com/exampleServer/environment I get the l...
Enable SQL Server Broker taking too long
I have a Microsoft SQL server 2005 and I tried to enable Broker for my database with those T-SQL:
4 Answers
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jQuery UI - Close Dialog When Clicked Outside
... I read in another place about filtering based in the event, and that solved the problem: groups.google.com/group/jquery-ui/msg/a880d99138e1e80d
– Sonny
Mar 31 '10 at 17:08
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