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Undefined reference to `pow' and `floor'
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For the benefit of anyone reading this later, you need to link against it as Fred said:
gcc fib.c -lm -o fibo
One good way to find out what library you need to link is by checking the man page if one exists. For example, man pow and man floor will ...
Most pythonic way to delete a file which may not exist
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But would this pass if the remove operation failed (read only file system or some other unexpected issue)?
– Scott C Wilson
May 31 '12 at 20:12
139
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Can you add new statements to Python's syntax?
...is an attempt to better understand how the front-end of Python works. Just reading documentation and source code may be a bit boring, so I'm taking a hands-on approach here: I'm going to add an until statement to Python.
All the coding for this article was done against the cutting-edge Py3k branch ...
Total width of element (including padding and border) in jQuery
...h"), 10); //Total Border Width
Split into multiple lines to make it more readable
That way you will always get the correct computed value, even if you change the padding or margin values from the css
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What is your preferred style for naming variables in R? [closed]
... because they can get mixed up in simple method dispatch; I believe I once read comments to this effect on one of the R list: dots are a historical artifact and no longer encouraged;
so we have a clear winner still standing in the last round: camelCase. I am also not sure if I really agree with the ...
How to extract numbers from a string and get an array of ints?
... \d, but that involves double backslash escaping, which makes it harder to read.
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How to match “any character” in regular expression?
...some very useful information! I assumed . would match newlines. I'm glad I read your answer, I need to use that!
– Ben Kane
Sep 4 '13 at 14:30
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Do you need text/javascript specified in your tags?
I read somewhere that you no longer need things like type="text/javascript" and the weird CDATA and <!-- things in your script tags. So, instead of:
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How can I load an object into a variable name that I specify from an R data file?
...e an .Rdata file, use an .RDS file:
x <- 5
saveRDS(x, "x.rds")
y <- readRDS("x.rds")
all.equal(x, y)
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How To Auto-Format / Indent XML/HTML in Notepad++
...e tidy function no longer work. So I google for a solution, come to this thread, then with the help of few more so threads I finally fix it. I'll put a summary of all my actions once and for all.
Install TextFX plugin: Plugins -> Plugin Manager -> Show Plugin Manager. Select TextFX Character...