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How to use Greek symbols in ggplot2?
... thanks. But how's that exactly? xlab(expression(Delta)price) gives an error
– jf328
Mar 30 '17 at 10:03
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How to declare std::unique_ptr and what is the use of it?
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I cannot use unique_ptr, without getting an error: The text ">" is unexpected. It may be that this token was intended as a template argument list terminator but the name is not known to be a template., even though I have #include <utility> and #include <me...
In pure functional languages, is there an algorithm to get the inverse function?
... "chase" a solution while we explore a design space using "undefined" and "error" during development). A "bottom" x has the type a. It "inhabits" (or is a "value") of every type. This is a logical contradiction, since types are propositions and there is no value which satisfies every proposition....
How are parameters sent in an HTTP POST request?
...guages will probably handle this for you. The exception to this is the 415 error. No framework can predict which content-types your application chooses to support and/or not support. This is up to you.
PUT (relevant RFC section)
A PUT request is pretty much handled in the exact same way as a POST ...
Django CharField vs TextField
...000, or it issues an ORA-00910: specified length too long for its datatype error.
– Dinei
Feb 8 '17 at 13:21
Useful to...
Creating an Android trial application that expires after a fixed time period
...xplicit set your license response to "licensed", "not licensed" or "server error".
If you update your app with an ass-kicking new feature you might want that everyone can try it again. In the configurator you can renew the trial license for users with expired licenses by setting a versioncode that s...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
... as the
extension syntax. ? immediately after a parenthesis was a syntax error
because the ? would have nothing to repeat, so this didn’t introduce
any compatibility problems. The characters immediately after the ?
indicate what extension is being used, so (?=foo) is one thing (a
positiv...
Moving Files into a Real Folder in Xcode
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Note to some users, if you're getting an error that changes were made after the header information was precompiled, just do a Clean of the product and things will work out!
– quantum
May 15 '12 at 16:00
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How exactly does a generator comprehension work?
...t recent call last):
File "<stdin>", line 1, in <module>
TypeError: object of type 'generator' has no len()
>>> # We extract each item out individually. We'll do it manually first.
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>>> next(filtered_gen)
5
>>> next(filtered_gen)
9
>>> next(filte...
How to get the return value from a thread in python?
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On python3 this returns TypeError: __init__() takes from 1 to 6 positional arguments but 7 were given . Any way to fix that?
– GuySoft
Oct 30 '16 at 15:20
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