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multiple definition of template specialization when using different objects
... Hmmm I am still a bit confused about how it breaks the ODR. Because you only define the fully specialized template once. You may be creating the object multiple times in different object files (ie. in this case it is instantiated in other.c and main.c) but the original object itself is ...
Where to define custom error types in Ruby and/or Rails?
... defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
5 Answers
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See what process is using a file in Mac OS X
...see which process is touching that file. Is that possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framework is being used instea...
Convert data.frame column format from character to factor
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Hi welcome to the world of R.
mtcars #look at this built in data set
str(mtcars) #allows you to see the classes of the variables (all numeric)
#one approach it to index with the $ sign and the as.factor function
mtcars$am <- as.factor(mtcars$am)
#anoth...
Java Persistence / JPA: @Column vs @Basic
What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice?
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How to un-escape a backslash-escaped string?
Suppose I have a string which is a backslash-escaped version of another string. Is there an easy way, in Python, to unescape the string? I could, for example, do:
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_=> what does this underscore mean in Lambda expressions?
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That is a convention used when you don't care about the parameter.
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Git - working on wrong branch - how to copy changes to existing topic branch
...pic branch (branch123) are not in any of the files which you've modified locally. Git will let you simply check out the topic branch in that case.
– Cascabel
May 11 '11 at 12:28
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Restore file from old commit in git
... path/to/file.txt
This will not alter HEAD, it will just overwrite the local file path/to/file.txt
See man git-rev-parse for possible revision specifications there (of course a simple hash (like dd9bacb) will do nicely)
Don't forget to commit the change (after a review...)
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How to check for the type of a template parameter?
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TThanks! Actually they share A LOT of code so I can not really duplicate it
– WhatABeautifulWorld
Nov 29 '12 at 23:27
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