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What is an MDF file? [closed]
...an MDF file, known as the primary database file, which contains the schema and data, and a LDF file, which contains the logs. See wikipedia. A database may also use secondary database file, which normally uses a .ndf extension.
As John S. indicates, these file extensions are purely convention - you...
Lock screen orientation (Android) [duplicate]
I'm writing an android application that uses tabs with different contents (activities).
In one of these activities, I would like to lock the screen orientation to "Landscape"-mode,
but in the other activities, I want the normal orientation (according to sensor).
...
How can a JACC provider use the Principal-to-role mapping facilities of the server it's deployed on?
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The short answer is: there's no standard way to do it.
Although Glassfish and JBoss support principal-to-role mappings, JACC does no assume all containers do, and so it delegates the responsibility of keeping those mappings to the JACC provider implementati...
Hide horizontal scrollbar on an iframe?
...ith a combination of
CSS overflow-y: hidden;
scrolling="no" (for HTML4)
and seamless="seamless" (for HTML5)*
* The seamless attribute has been removed from the standard, and no browsers support it.
.foo {
width: 200px;
height: 200px;
overflow-y: hidden;
}
<iframe src="https...
jQuery - Detecting if a file has been selected in the file input [duplicate]
I have a standard file input box
2 Answers
2
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Set port for php artisan.php serve
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For port 8080:
php artisan serve --port=8080
And if you want to run it on port 80, you probably need to sudo:
sudo php artisan serve --port=80
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Missing Javascript “.map” file for Underscore.js when loading ASP.NET web page [duplicate]
...browser trying to download a ".map" for Underscore.js. I did some reading and apparently JQuery creates ".map" files as debugging aids for Javascript source files (".js"). However, if I look at the Scripts directory for my web site I see that this only happens for some JQuery source files and not ...
Handling List-types with Esqueleto
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Esqueleto is NOT meant to handle list of sublists (multidimensional list) out of the box yet! Data.List.groupBy that 'cdk' advised to you can group only list itself, but not what you was asking for.
For your case I would insistently advise you to use ...
Swift: Determine iOS Screen size [duplicate]
...ize: CGRect = UIScreen.mainScreen().bounds
then you can access the width and height like this:
let screenWidth = screenSize.width
let screenHeight = screenSize.height
if you want 75% of your screen's width you can go:
let screenWidth = screenSize.width * 0.75
Swift 4.0
// Screen width.
publ...
How do you find out the type of an object (in Swift)?
When trying to understand a program, or in some corner-cases, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still...