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Immediate Child selector in LESS
...amp;:hover is essential over :hover otherwise it would result in syntactic error. However, there is no such syntactic requirement for using '&' here. Otherwise all nestings would require '&' as they are essentially referring to parent.
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Right way to reverse pandas.DataFrame?
...index):
print(idx, data.Even[idx], data.Odd[idx])
You are getting an error because reversed first calls data.__len__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is ...
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
...ured out how to get the correct positioning without resorting to trial and error.
The general idea is here at this question, but that was if you wanted both text and image centered. We don't want the image and text to be centered individually, we want the image and the text to be centered together...
Referring to a file relative to executing script
... with $BASH_SOURCE in cases where it will work for you, as you get a handy error condition when it fails to expand properly.
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C# code to validate email address
...n top-level domains, check the domain for an MX record, check for spelling errors from common domain names (gmail.cmo), etc. Then present a warning giving the user a chance to say "yes, my mail server really does allow ???????????? as an email address."
As for using exception handling for busines...
Parse string to date with moment.js
...'YYYY/MM/DD'); alert(date); alert(dateCalendarPart); Gives an invalid date error?????
– Andrew Day
Jun 15 '16 at 11:17
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How can I manipulate the strip text of facet_grid plots?
...th strings that looks like
c("median_something", "aggregated_average_x","error","something_else")
I simply do:
reformat <– function(x,lab="\n"){ sapply(x, function(c){ paste(unlist(strsplit(as.character(c) , split="_")),collapse=lab) }) }
[perhaps there are better definitions of reformat...
Why does the is operator return false when given null?
... will I successfully get a T ?
Now, while you can cast null to T without error, after doing so you don't "have a T" - you've still got nothing. So it's not the case that null "is" a T, so is returns false.
Custom Cell Row Height setting in storyboard is not responding
...MO, a bug. Anytime you have to manage your UI in two places it is prone to error. For example, if you change your cell size in the storyboard, you have to remember to change them in the heightForRowAtIndexPath: as well. Until Apple fixes the bug, the current best workaround is to override heightForR...
Why is there no std::stou?
...al & mask) == 0 )
uival = (unsigned int)ulval;
else {
...range error...
}
Using masks to do this with the expected value size in bits expressed in the mask, will make this work for 64-bit longs vs 32-bit ints, but also for 32-bit longs vs 32-bit ints.
In the case of 64-bit longs, ~0xf...