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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
...out being first in path... If I set something else first in my path I know what I'm doing)
– TrinitronX
Mar 13 '15 at 21:03
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Best way to check if a URL is valid
... @JoshHabdas, I think you're missing the point. The PHP code does exactly what it claims to do. But it can't read your mind. There's a huge difference between invalid and unwanted.. Unwanted is very subjective, which is why it's left to the programmer to work out that detail. You might also not...
Explain the concept of a stack frame in a nutshell
...find (probably, I just don't search hard enough) any decent explanation of what stack frame is.
6 Answers
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JSP tricks to make templating easier?
...t;
<h1>Welcome</h1>
</t:wrapper>
That does exactly what you think it does.
So, lets expand upon that to something a bit more general.
WEB-INF/tags/genericpage.tag
<%@tag description="Overall Page template" pageEncoding="UTF-8"%>
<%@attribute name="header" fragmen...
How can I join elements of an array in Bash?
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@puchu What doesn't work is multi-character separators. To say "space doesn't work" makes it sound like joining with a space doesn't work. It does.
– Eric
Oct 7 '15 at 18:20
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knitr Markdown highlighting in Emacs?
...ILE% contains the path to your user profile directory. If you are not sure what it is, execute set USERPROFILE in the CLI prompt.
As a Windows user you might be used to store things in My Documents. In that case your dir will be:
%USERPROFILE%\Documents\conf\emacs
Step 3) If in Step 2) you used t...
Is div inside list allowed? [duplicate]
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the section element is what you want to define a section of a document. div has no meaning. dev.w3.org/html5/spec/Overview.html#the-div-element
– fisherwebdev
Oct 27 '11 at 0:47
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...ockRequest.responseData error:nil];
blockRequest = nil;
// ....
}];
what the difference between __weak and __block reference?
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What is the difference between join and merge in Pandas?
Suppose I have two DataFrames like so:
7 Answers
7
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Python multiprocessing PicklingError: Can't pickle
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Here is a list of what can be pickled. In particular, functions are only picklable if they are defined at the top-level of a module.
This piece of code:
import multiprocessing as mp
class Foo():
@staticmethod
def work(self):
...