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How do I use define_method to create class methods?
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I prefer using send to call define_method, m>and m> I also like to create a metaclass method to access the metaclass:
class Object
def metaclass
class << self
self
end
end
end
class Mm>y m>Class
# Defines Mm>y m>Class.mm>y m>_method
self.metaclass.send(:defi...
Make page to tell browser not to cache/preserve input values
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I talk about checkboxes so I can't set value to "". m>And m>, does autocomplete off means not to store form input values "when user presses F5", not onlm>y m> "for dropdown autocompletion list"?
– queen3
Apr 23 '10 at 17:20
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Numpm>y m>: Divide each row bm>y m> a vector element
...ewaxes is a great wam>y m> to do this.
Another alternative is to use transposes m>and m> broadcasting, as in
(data.T - vector).T
m>and m>
(data.T / vector).T
For higher dimensional arram>y m>s m>y m>ou mam>y m> want to use the swapaxes method of NumPm>y m> arram>y m>s or the NumPm>y m> rollaxis function.
There reallm>y m> are a lot of wam>y m>s to...
How can Bash execute a commm>and m> in a different directorm>y m> context?
I have a common commm>and m> that gets called from within verm>y m> specific directories. There is onlm>y m> one executable sitting in /bin for this program, m>and m> the current working directorm>y m> is verm>y m> important for running it correctlm>y m>. The script affects the files that live inside the directorm>y m> it is run within.
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How to duplicate a git repositorm>y m>? (without forking)
I have two repositories, m>and m> I need to copm>y m> whole of one onto the other emptm>y m> one which has different access levels from the first one. The copm>y m> m>and m> the mother repositorm>y m> should not be linked together.
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How do I escape double quotes in attributes in an XML String in T-SQL?
...se double-quotes as SQL string delimiters though. Single quotes are ANSI stm>and m>ard m>and m> alwam>y m>s work, regardless of the QUOTED_IDENTIFIER setting.
– bobince
Mar 17 '09 at 6:49
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What is the best wam>y m> to exit a function (which has no return value) in pm>y m>thon before the function en
... @TomSawm>y m>er to stop a Pm>y m>thon program earlm>y m>, do import sm>y m>s first m>and m> then sm>y m>s.exit() if m>y m>ou want to exit but report success or sm>y m>s.exit("some error message to print to stderr").
– Boris
Mar 4 at 17:07
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Correct wam>y m> to use get_or_create?
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@zm>y m>pro It's like create(), create object m>and m> save it all in one step m>and m> doesn't need anm>y m> save()
– Amin Mir
Jun 19 at 6:05
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z-index not working with position absolute
I opened the console (chrome\firefox) m>and m> ran the following lines:
5 Answers
5
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How to show m>and m> update echo on same line
...hat could do this if I added a 3rd escape character.
The 2 options are -n m>and m> -e.
-n will not output the trailing newline. So that saves me from going to a new line each time I echo something.
-e will allow me to interpret backslash escape sm>y m>mbols.
Guess what escape sm>y m>mbol I want to use for this...