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What does send() do in Ruby?
...nes are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
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How can I “disable” zoom on a mobile web page?
I am creating a mobile web page that is basically a big form with several text inputs.
10 Answers
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Await on a completed task same as task.Result?
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There are two reasons why I prefer await over Result (or Wait). The first is that the error handling is different; await does not wrap the exception in an AggregateException. Ideally, asynchronous code should never have to deal with AggregateException at all, unless it specifically wants to.
The s...
What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
Is there any difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout in .NET?
6 Answers
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How does a “stack overflow” occur and how do you prevent it?
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Stack
A stack, in this context, is the last in, first out buffer you place data while your program runs. Last in, first out (LIFO) means that the last thing you put in is always the first thing you get back out - if you push 2 items on the stac...
Why can't I use background image and color together?
What I am trying to do is to show both background-color and background-image , so that half of my div will cover the right shadow background image, and the other left part will cover the background color.
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How to have git log show filenames like svn log -v
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edited May 4 '17 at 8:18
zb226
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Gitignore not working
My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have:
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'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
What is true is that Solr project directory is inside MyProject parent directory (but there's no module or any maven relationship between the 2, just FS convenience). Do I have to place it out?
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Programmatically scroll a UIScrollView
I have a UIScrollView which has several views. When a user flicks their finger, the view scrolls to the right or left depending on the direction of the finger flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing...