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jQuery Mobile: document ready vs. page events
I am using jQuery Mobile, and I am having trouble understanding differences between classic document ready and jQuery Mobile page events.
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Why is there no Tree class in .NET?
The base class library in .NET has some excellent data structures for collections (List, Queue, Stack, Dictionary), but oddly enough it does not contain any data structures for binary trees. This is a terribly useful structure for certain algorithms, such as those that take advantage of different tr...
How to use java.String.format in Scala?
I am trying to use a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
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Finding last occurrence of substring in string, replacing that
...character in each one, and replace it with ". - ". I've tried using rfind, but I can't seem to utilize it properly to do this.
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Check if a value exists in pandas dataframe index
I am sure there is an obvious way to do this but cant think of anything slick right now.
6 Answers
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How to add text at the end of each line in Vim?
...is will do it to every line in the file:
:%s/$/,/
If you want to do a subset of lines instead of the whole file, you can specify them in place of the %.
One way is to do a visual select and then type the :. It will fill in :'<,'> for you, then you type the rest of it (Notice you only need ...
What is causing this ActiveRecord::ReadOnlyRecord error?
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Rails 2.3.3 and lower
From the ActiveRecord CHANGELOG(v1.12.0, October 16th, 2005):
Introduce read-only records. If you call object.readonly! then it will
mark the object as read-only and raise
ReadOnlyRecord if you call
object.save. object.readonly? reports
whether the object ...
What is a Lambda?
Could someone provide a good description of what a Lambda is? We have a tag for them and they're on the secrets of C# question, but I have yet to find a good definition and explanation of what they are in the first place.
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How to make git diff --ignore-space-change the default
I could probably setup an alias, but it seems like I should be able to set this as an option in the config file, only I don't see anyway to do it.
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How to remove newlines from beginning and end of a string?
I have a string that contains some text followed by a blank line. What's the best way to keep the part with text, but remove the whitespace newline from the end?
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