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How to rollback a specific migration?
...gration you want to rollback is the last one applied. You can substitute 1 for however many migrations you want to go back.
For example:
rake db:rollback STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a t...
jquery UI dialog: how to initialize without a title bar?
...d was not working. In fact when you call .dialog() method the div you transform become a child of another div (the real dialog div) and possibly a 'brother' of the titlebar div, so it's very difficult to try finding the latter starting from former.
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When would I use XML instead of SQL? [closed]
I've been working on database-driven web applications for a few years now and recently took on a project involving a CMS that is XML-capable. This has led me to think about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is st...
Can a for loop increment/decrement by more than one?
Are there other ways to increment a for loop in Javascript besides i++ and ++i ? For example, I want to increment by 3 instead of one.
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How to get the containing form of an input?
I need to get a reference to the FORM parent of an INPUT when I only have a reference to that INPUT. Is this possible with JavaScript? Use jQuery if you like.
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What difference does .AsNoTracking() make?
...with the same context instance because the tracking mechanism handles that for you.
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jQuery Validate Plugin - How to create a simple custom rule?
... seems like every rule has that, but I can't tell why it would be relevant for any rule except "required".
– machineghost
Apr 24 '09 at 22:15
38
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Insert a row to pandas dataframe
...ding a row is a bit misleading, as -1 isn't the last row/element, as it is for Python arrays.
– flow2k
Apr 24 '19 at 2:05
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Could not change executable permissions on the application
...g from xCode Organizer (Your device's Name -> Console) you should get information from that log. Good luck!
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Nested Models in Backbone.js, how to approach
...code IMO, and feels more of a hack than a solution.
Here's what I suggest for your example:
First define your Layout Model like so.
var layoutModel = Backbone.Model.extend({});
Then here's your image Model:
var imageModel = Backbone.Model.extend({
model: {
layout: layoutModel,
...