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How to find an available port?
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions.
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How to 'grep' a continuous stream?
Is that possible to use grep on a continuous stream?
12 Answers
12
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How do you rename a Git tag?
...s for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
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How do I detect if I am in release or debug mode?
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The simplest, and best long-term solution, is to use BuildConfig.DEBUG. This is a boolean value that will be true for a debug build, false otherwise:
if (BuildConfig.DEBUG) {
// do something for a debug build
}
There have been reports that this value is not 100% ...
Flushing footer to bottom of the page, twitter bootstrap
...min-height: 100%;
}
#main {
overflow:auto;
padding-bottom:150px; /* this needs to be bigger than footer height*/
}
.footer {
position: relative;
margin-top: -150px; /* negative value of footer height */
height: 150px;
clear:both;
padding-top:20px;
}
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Get class name of object as string in Swift
...ance Level - Alternative Way
var otherTypeName: String {
let thisType = type(of: self)
return String(describing: thisType)
}
// Type Level
static var typeName: String {
return String(describing: self)
}
}
Foo().typeName // = "Foo"
Foo().otherTypeN...
Where is the syntax for TypeScript comments documented?
Is the syntax for TypeScript comments documented anywhere?
5 Answers
5
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Fragment onCreateView and onActivityCreated called twice
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I was scratching my head about this for a while too, and since Dave's explanation is a little hard to understand I'll post my (apparently working) code:
private class TabListener<T extends Fragment> implements ActionBar.TabListener {
private Fragm...
http to https apache redirection
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I have actually followed this example and it worked for me :)
NameVirtualHost *:80
<VirtualHost *:80>
ServerName mysite.example.com
Redirect permanent / https://mysite.example.com/
</VirtualHost>
<VirtualHost _default_:443>
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How does Django's Meta class work?
...estion about two different things:
Meta inner class in Django models:
This is just a class container with some options (metadata) attached to the model. It defines such things as available permissions, associated database table name, whether the model is abstract or not, singular and plural versi...