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Incrementing in C++ - When to use x++ or ++x?
...d with "x++" should be left alone - you're more likely to introduce subtle errors changing them to "++x" than to improve performance anywhere. Arguably it is better to use "x++" and make people think.
– omatai
Jan 14 '16 at 21:11
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How to get HttpClient to pass credentials along with the request?
...ve.) HttpClient creates new threads via the Task Factory thus causing the error. WebClient on the other hand, runs synchronously on the same thread thereby bypassing the rule and forwarding its credentials.
Although the code works, the downside is that it will not work async.
var wi = (System.Se...
jQuery callback for multiple ajax calls
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@Pitto: Oops... actually, there's a logic error there, and it should be if (!--inProgress). The correct version is analogous to inProgress = inProgress - 1; if (inProgress == 0) { /* do stuff */ }. The compact form combines the prefix decrement operator (--) and the...
pandas three-way joining multiple dataframes on columns
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I get an error on trying that: ValueError: Indexes have overlapping values, although, by inspection of the individual dataframes in the list, they don't seem to have overlapping values.
– SomJura
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Regexp Java for password validation
...st efficient variant (but hardest to read and maintain, therefore the most error-prone) would be (?=[^xyz]*[xyz]), of course. For a regex of this length and for this purpose, I would dis-recommend doing it that way, as it has no real benefits.
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Utilizing multi core for tar+gzip/bzip compression/decompression
...No such file or directory tar: Exiting with failure status due to previous errors `
– Arash
Mar 25 at 0:48
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Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer
... use the repository using HTTP without problems. Moving to HTTPS gives the error:
17 Answers
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Create a list from two object lists with linq
...lue,
Change = p2.Value - p1.Value
}));
Although this won't error in the case where you have duplicate names in either set.
Some other answers have suggested using unioning - this is definitely not the way to go as it will only get you a distinct list, without doing the combining.
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How can I count the occurrences of a list item?
... very late to the party but wouldn't following code throw an error if a list contained more than one instance of i, because it will try to enter multiple keys of same value in a dictionary. dict((i, a.count(i)) for i in a)
– rp1
Sep 16 '19 a...
Numpy where function multiple conditions
...4,5,14,2,4,3,7])
np.where((ar>3) and (ar<6), 'yo', ar)
Output:
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
When we use Ampersand(&):
ar = np.array([3,4,5,14,2,4,3,7])
np.where((ar>3) & (ar<6), 'yo', ar)
Output:
arra...