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How do I animate constraint changes?

I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is an ad it slides on the screen. Basic stuff. ...
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UITableView didSelectRowAtIndexPath: not being called on first tap

... You are my hero! Any idea why this is the default? I can't think of any app having that behavior and I think this is a very weird default. – Christophe Fondacci Apr 22 '15 at 17:58 ...
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Rails: How can I set default values in ActiveRecord?

...please use Base.after_initialize :method instead. (called from /Users/me/myapp/app/models/my_model:15) Therefore I'd say write an after_initialize callback, which lets you default attributes in addition to letting you set defaults on associations like so: class Person < ActiveRecord::Base ...
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Keyword not supported: “data source” initializing Entity Framework Context

... This appears to be missing the providerName="System.Data.EntityClient" bit. Sure you got the whole thing? share | improve this a...
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Setting onClickListener for the Drawable right of an EditText [duplicate]

In my app I have a EditText with a search Icon on the right side. I used the code given below. 6 Answers ...
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Given two directory trees, how can I find out which files differ by content?

... totally appreciate consistency -- but don't feel bad; I've upvoted Mark's answer too ;) – Gerard ONeill Mar 9 '15 at 20:12 ...
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text-overflow:ellipsis in Firefox 4? (and FF5)

... I must say I'm a little disappointed that the only browser specific hack in my application is going to be to support FF4. The above javascript solution doesn't account for variable width fonts. Here is a more verbose script that accounts for this. The ...
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What is data oriented design?

...ed very well by Andrew Keith's answer). Say you have ball objects in your application with properties such as color, radius, bounciness, position etc. Object Oriented Approach In OOP you would describe balls like this: class Ball { Point position; Color color; double radius; void dra...
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Generating a random & unique 8 character string using MySQL

...tions if the seed is an INT32 So we use @AndreyVolk's or @GordonLinoff's approach, but with a seeded RAND: e.g. Assumin id is an AUTO_INCREMENT column: INSERT INTO vehicles VALUES (blah); -- leaving out the number plate SELECT @lid:=LAST_INSERT_ID(); UPDATE vehicles SET numberplate=concat( su...
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User Authentication in ASP.NET Web API

This topic has been incredibly confusing for me. I am a rookie in HTTP apps but need to develop an iPhone client that consumes JSON data from somewhere. I chose Web API from MS because it seemed easy enough but when it comes to authenticating users, things get quite frustrating. ...