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Add a reference column migration in Rails 4
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Rails 4.x
When you already have users and uploads tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:references
Which will create a migr...
Google Maps API v3: Can I setZoom after fitBounds?
...he addListenerOnce method... that way, you don't have to save the listener and manually remove it, as the method will take care of that for you.
– Matt Diamond
Jan 16 '11 at 20:43
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Multiple cases in switch statement
...ld use some if's (or a table lookup) to reduce the input to a set of enums and switch on the enum.
– Harvey
Jul 28 '13 at 20:00
5
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How to enable PHP short tags?
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Set
short_open_tag=On
in php.ini
And restart your Apache server.
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How to mock the Request on Controller in ASP.Net MVC?
...estBase>();
// Not working - IsAjaxRequest() is static extension method and cannot be mocked
// request.Setup(x => x.IsAjaxRequest()).Returns(true /* or false */);
// use this
request.SetupGet(x => x.Headers).Returns(
new System.Net.WebHeaderCollection {
{"X-Requested-With", "XM...
How can I undo a `git commit` locally and on a remote after `git push`
...mit followed by a git push . How can I revert that change on both local and remote repositories?
7 Answers
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UITableView : viewForHeaderInSection: not called during reloadData:
I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and the delegate methods except for viewForHeaderInSection: .
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How to order citations by appearance using BibTeX?
...erwise
Use the makebst (link) tool to design your own bibliography style
And my personal recommendation:
Use the biblatex package (link). It's the most complete and flexible bibliography tool in the LaTeX world.
Using biblatex, you'd write something like
\documentclass[12pt]{article}
\usepack...
Ajax success event not working
I have a registration form and am using $.ajax to submit it.
16 Answers
16
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Split a String into an array in Swift?
... that String no longer adopts the SequenceType or CollectionType protocols and you must instead use the .characters property to access a CharacterView type representation of a String instance. (Note: CharacterView does adopt SequenceType and CollectionType protocols).
let fullName = "First Last"
le...