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Sort a list of tuples by 2nd item (integer value) [duplicate]
I have a list of tuples that looks something like this:
9 Answers
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IEnumerable to string [duplicate]
...ow and am surprised that I can't find a really easy way to convert an IEnumerable<char> to a string .
6 Answers
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How do you performance test JavaScript code?
CPU Cycles, Memory Usage, Execution Time, etc.?
22 Answers
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Can I use break to exit multiple nested 'for' loops?
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I'm a new C++ programmer (and one without any formal programming training) thus after reading about people's rants on goto. I'm hesitant on using it in fear my program might just suddenly explode and kill me. Other than that, when i used to write...
Can grep show only words that match search pattern?
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Try grep -o
grep -oh "\w*th\w*" *
Edit: matching from Phil's comment
From the docs:
-h, --no-filename
Suppress the prefixing of file names on output. This is the default
when there is only one file (or only standard input) to search.
-o, --only-matching
Print only the m...
Split a vector into chunks in R
...in R. I couldn't find any base function to do that. Also Google didn't get me anywhere. So here is what I came up with, hopefully it helps someone some where.
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Cross-referencing commits in github
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doesn't work for me with googlemaps/android-maps-utils@3cba85f04a79095160015f62a8438eb76adbbe6f
– Alex Sorokoletov
Dec 1 '16 at 16:33
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How to copy a collection from one database to another in MongoDB
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At the moment there is no command in MongoDB that would do this. Please note the JIRA ticket with related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_...
Best timestamp format for CSV/Excel?
I'm writing a CSV file. I need to write timestamps that are accurate at least to the second, and preferably to the millisecond. What's the best format for timestamps in a CSV file such that they can be parsed accurately and unambiguously by Excel with minimal user intervention?
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Moment.js transform to date object
Using Moment.js I can't transform a correct moment object to a date object with timezones. I can't get the correct date.
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