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mysql - how many columns is too many?
...ut and group them into different tables (using my example form my previous comment): "Person", "Activities" "HealthRecords". Storing a SUM for performance reasons is a completely different issue than keeping all data in 70 columns to avoid joins.
– KM.
Sep 25 '...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...g a system with optimization in mind is never evil per se - optimization becomes evil when one devotes an inordinate amount of time to unnecessary, unnoticeable and minor efficiencies.
– jbowman
Dec 2 '15 at 21:47
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What does the Reflect object do in JavaScript?
... of the reflection methods previously defined on Object.
For backwards-compatibility purposes, it is unlikely that the static methods on Object will disappear. However, new methods should likely be added to the “@reflect” module rather than to the Object constructor.
A natural home for proxi...
Skip download if files exist in wget?
... existing files.
Sample usage:
wget -nc http://example.com/pic.png
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Mock vs MagicMock
...rk? If every mock has automatically
got every protocol method, then it becomes much more difficult to do
that. And also, MagicMock does some of this preconfiguring for you,
setting return values that might not be appropriate, so I thought it
would be better to have this convenience one that ...
Path.Combine absolute with relative path strings
I'm trying to join a Windows path with a relative path using Path.Combine .
7 Answers
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ASP.NET MVC ambiguous action methods
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I got my previous edit rejected so I'm just gonna comment: [AttributeUsage(AttributeTargets.All, AllowMultiple=true)]
– Mzn
May 2 '15 at 7:02
add a co...
In what order are Panels the most efficient in terms of render time and performance?
...s of each panel than it is to try to give an absolute relative performance comparison.
WPF makes two passes when rendering content: Measure and Arrange. Each panel has different performance characteristics for each of these two passes.
The performance of the measure pass is most affected by the a...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
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How to check whether a pandas DataFrame is empty?
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