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What is the proper REST response code for a valid request but an empty data?
...You shouldn't have to deal with this unless you're writing your own server from scratch. Edit: Newer RFCs now allow for 400 to be used for semantically invalid requests.
Wikipedia's description of the HTTP status codes are particularly helpful.
You can also see the definitions in the HTTP/1.1 RFC2...
Convert datetime object to a String of date only in Python
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As far as I can tell from the docs there is no way to return a non-zero padded date ie '2/23/2012'.
– Ron Kalian
Oct 31 '17 at 10:41
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How to draw vertical lines on a given plot in matplotlib?
...lines(x_pos, ymin=y1, ymax=y2)
to plot a vertical line at x_pos spanning from y1 to y2 where the values y1 and y2 are in absolute data coordinates.
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grep without showing path/file:line
... grep and only return the matching line? i.e. The path/filename is omitted from the results.
3 Answers
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Where are environment variables stored in registry?
...ironment variable remotely. To do this I think the best way is to read it from registry.
4 Answers
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Best way to alphanumeric check in JavaScript
...ng and $ means end of string, and [0-9a-z]+ means one or more of character from 0 to 9 OR from a to z.
More information on Javascript regexen here:
https://developer.mozilla.org/en/JavaScript/Guide/Regular_Expressions
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How do I detect if software keyboard is visible on Android Device or not?
...owse_thread/thread/1728f26f2334c060/5e4910f0d9eb898a where Dianne Hackborn from the Android team has replied. However, you can detect it indirectly by checking if the window size changed in #onMeasure. See How to check visibility of software keyboard in Android?.
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Namespace and class with the same name?
... is ambiguous? You directly say to compiler that you want to use class Foo from the namespace Foo in this specific case. No?
– GuardianX
Jun 29 '16 at 22:23
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Evaluate expression given as a string
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Alternatively, you can use evals from my pander package to capture output and all warnings, errors and other messages along with the raw results:
> pander::evals("5+5")
[[1]]
$src
[1] "5 + 5"
$result
[1] 10
$output
[1] "[1] 10"
$type
[1] "numeric"
$m...
What's the most efficient way to test two integer ranges for overlap?
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Great answer from Simon, but for me it was easier to think about reverse case.
When do 2 ranges not overlap? They don't overlap when one of them starts after the other one ends:
dont_overlap = x2 < y1 || x1 > y2
Now it easy to e...