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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish.
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iOS app error - Can't add self as subview
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I am speculating based on something similar that I debugged recently...
if you push (or pop) a view controller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the animation comp...
overlay two images in android to set an imageview
I am trying to overlay two images in my app, but they seem to crash at my canvas.setBitmap() line. What am I doing wrong?
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Convert Pandas column containing NaNs to dtype `int`
...For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values.
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How to link to apps on the app store
I am creating a free version of my iPhone game. I want to have a button inside the free version that takes people to the paid version in the app store. If I use a standard link
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Using Panel or PlaceHolder
...the difference between <asp:Panel > and <asp:PlaceHolder > in ASP.NET?
5 Answers
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How to rename a table in SQL Server?
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To rename a table in SQL Server, use the sp_rename command:
exec sp_rename 'schema.old_table_name', 'new_table_name'
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belongs_to through associations
Given the following associations, I need to reference the Question that a Choice is attached through from the Choice model. I have been attempting to use belongs_to :question, through: :answer to perform this action.
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Delete multiple records using REST
What is the REST-ful way of deleting multiple items?
5 Answers
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How to display unique records from a has_many through relationship?
I'm wondering what is the best way to display unique records from a has_many, through relationship in Rails3.
4 Answers
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