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Does Ruby regular expression have a not match operator like “!~” in Perl?
...xp#match?, which you can easily negate. According to the release notes, it does even fewer allocations than !~
– panmari
May 28 '18 at 20:52
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Keep only date part when using pandas.to_datetime
...s answer, which is the most direct answer to the question the OP posed, it does not really solve the performance problem (it still relies on python datetime objects, and hence any operation on them will be not vectorized - that is, it will be slow).
A better performing alternative is to use df['dat...
What does %w(array) mean?
I'm looking at the documentation for FileUtils.
8 Answers
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Why does the C# compiler not fault code where a static method calls an instance method?
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fair enough but it still doesn't explain why in this case that the compiler can't resolve the call to the instance method. In other words, the way that the compiler does the resolution is simplistic - it doesn't recognise the simple case like my exam...
AngularJS ng-include does not include view unless passed in $scope
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doesn't work with ngSanitize enabled in the app module. I'm looking for a solution.
– Dida
Sep 18 '13 at 11:24
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How do I get the list of keys in a Dictionary?
... the below links if you face any issue in using System.Linq
Visual Studio Does not recognize System.Linq
System.Linq Namespace
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How can I set a custom date time format in Oracle SQL Developer?
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I'm using SQLDeveloper on linux and this setting doesn't work for me.. any other way?
– Filipe
Dec 19 '12 at 16:10
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How do I show the changes which have been staged?
...e current HEAD. --staged is a synonym for --cached.
--staged and --cached does not point to HEAD, just difference with respect to HEAD. If you cherry pick what to commit using git add --patch (or git add -p), --staged will return what is staged.
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this.setState isn't merging states as I would expect
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I think setState() doesn't do recursive merge.
You can use the value of the current state this.state.selected to construct a new state and then call setState() on that:
var newSelected = _.extend({}, this.state.selected);
newSelected.name = '...
Open a file with su/sudo inside Emacs
...ession using su or sudo , without dropping down to a shell and doing sudoedit or sudo emacs . One way to do this is
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