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How to align an image dead center with bootstrap
I'm using the bootstrap framework and trying to get an image centered horizontally without success..
15 Answers
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UIView frame, bounds and center
...to add more correct content.
First a recap on the question: frame, bounds and center and theirs relationships.
Frame A view's frame (CGRect) is the position of its rectangle in the superview's coordinate system. By default it starts at the top left.
Bounds A view's bounds (CGRect) expresses a vie...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
I want to run some c++ code on Linux and Windows. There are some pieces of code that I want to include only for one operating system and not the other. Is there a standard #ifdef that once can use?
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How to check if an option is selected?
...Query!, but use it when you need it, not when it give nothing but overhead and more code.
– gdoron is supporting Monica
Apr 18 '12 at 16:31
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Rails: Adding an index after adding column
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rails generate migration AddUserRefToProducts user:references
This command will generate the following migration:
class AddUserRefToProducts < ActiveRecord::Migration
def change
add_reference :user, :product, index: true
end
end
After running rake db:migrate both a user_id column a...
Returning value from Thread
I have a method with a HandlerThread . A value gets changed inside the Thread and I'd like to return it to the test() method. Is there a way to do this?
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How to check which version of v8 is installed with my NodeJS?
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Easy way:
Type in command line: node -p process.versions.v8
Hard worker way:
Type node --version to get the Node.js version.
Go to the Node.js Changelogs.
Find and open appropriate Node.js version change log.
Look for notes containing V8 to.
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What is the purpose of Android's tag in XML layouts?
... Romain Guy's post on the <merge /> tag, but I still don't understand how it's useful. Is it a sort-of replacement of the <Frame /> tag, or is it used like so:
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What is WCF RIA services?
...light) objects that take care of the communication with the server for you and provide client-side validation.
The main object inside a RIA service is a DomainService, usually a LinqToEntitiesDomainService that is connected to a LinqToEntities model.
The key thing to remember in RIA services is th...
HTML button to NOT submit form
...>My Button</button>
Update 5-Feb-2019: As per the HTML Living Standard (and also HTML 5 specification):
The missing value default and invalid value default are the Submit
Button state.
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