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What is cardinality in MySQL?
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Max cardinality: All values are unique
Min cardinality: All values are the same
Some columns are called high-cardinality columns because they have constraints in place (like unique) prohibiting you from putting the same value in every row. ...
Following git-flow how should you handle a hotfix of an earlier release?
...at only works if production versions are strictly increasing. That's typically true for a website which has only one production version.
If you have to maintain multiple production versions, one branch to track production is not enough. A solution is not to use master to track production. Instea...
Check if element is visible in DOM
... seems, anyway. (OK for IE11, though.) So went with getComputedStyle after all.
– Nick
Mar 31 '14 at 9:12
1
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How to connect to LocalDB in Visual Studio Server Explorer?
...h gives a simple walk-through on Code First. I created the project and installed the latest EF Nuget package for the project to compile. I also verified that I have Microsoft SQL Server 2012 Express LocalDB installed which came with Visual Studio 2013. I don't have any other instances of SQL insta...
Background image jumps when address bar hides iOS/Android/Mobile Chrome
...resizing URL bars in iOS and Android. I understand the purpose, but they really need to think through the strange functionality and havoc they bring to websites. The latest change, is you can no longer "hide" the URL bar on page load on iOS or Chrome using scroll tricks.
EDIT: While the above scrip...
What is the “Temporary ASP.NET Files” folder for?
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These are what's known as Shadow Copy Folders.
Simplistically....and I really mean it:
When ASP.NET runs your app for the
first time, it copies any assemblies
found in the /bin folder, copies any
source code files (found for example
in the App_Code folder) and parses
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What's the difference between the four File Results in ASP.NET MVC
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FileResult is an abstract base class for all the others.
FileContentResult - you use it when you have a byte array you would like to return as a file
FilePathResult - when you have a file on disk and would like to return its content (you give a path)
FileStreamRes...
Emulate ggplot2 default color palette
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It is just equally spaced hues around the color wheel, starting from 15:
gg_color_hue <- function(n) {
hues = seq(15, 375, length = n + 1)
hcl(h = hues, l = 65, c = 100)[1:n]
}
For example:
n = 4
cols = gg_color_hue(n)
dev.new(...
HTML5 doctype putting IE9 into quirks mode?
...bhishek: meta elements need not be explicitly closed in HTML5 (and historically against older HTML specs closing it would in fact be invalid).
– reisio
May 23 '12 at 19:19
4
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What does dot (.) mean in a struct initializer?
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This is a C99 feature that allows you to set specific fields of the struct by name in an initializer. Before this, the initializer needed to contain just the values, for all fields, in order -- which still works, of course.
So for the following struc...