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Capturing TAB key in text box [closed]
...t box to tab over four spaces. The way it is now, the Tab key jumps my cursor to the next input.
6 Answers
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How to check whether a Storage item is set?
How can I check if an item is set in localStorage ? Currently I am using
13 Answers
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Latex Remove Spaces Between Items in List
What is the best way to format a list as to remove the spaces between list items.
4 Answers
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R apply function with multiple parameters
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but note that myfxn may be vectorised, in which case one should use myfxn(unlist(mylist), var2=var2)
– baptiste
Jul 26 '11 at 21:08
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In Postgresql, force unique on combination of two columns
... a unique identifier because it does not exclude null values.)" postgresql.org/docs/8.1/static/ddl-constraints.html#AEN2038
– ndequeker
Feb 3 '17 at 13:53
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Using Rails serialize to save hash to database
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The column type is wrong. You should use Text instead of String. Therefore, your migration should be:
def self.up
add_column :users, :multi_wrong, :text
end
Then Rails will properly convert it into YAML for you (and perform proper serialization). Strings fields are limited in size and wi...
ld cannot find an existing library
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The problem is the linker is looking for libmagic.so but you only have libmagic.so.1
A quick hack is to symlink libmagic.so.1 to libmagic.so
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How to create a file in Ruby
I'm trying to create a new file and things don't seem to be working as I expect them too. Here's what I've tried:
9 Answers...
Determine the number of NA values in a column
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Thank you for this. To expand this a little bit. In counting amount of arbitrary value, other than NA is writing a boolean function is.value and then using sum(is.value(df$col)) the way to go or is there a more concise direct syntax fo...
is it possible to evenly distribute buttons across the width of an android linearlayout
I have a linear layout (oriented horizontally) that contains 3 buttons. I want the 3 buttons to have a fixed width and be evenly distributed across the width of the linear layout.
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