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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
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The output of [6] is in reverse order. name one age 27
– thanos.a
Jan 8 '17 at 21:11
61
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How to correctly close a feature branch in Mercurial?
...ant to merge results back to the default branch and close feature-x in order to get rid of it in the output of hg branches .
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CSS selector for first element with class
...t all .red children of .home, including the first one,
* and give them a border.
*/
.home > .red {
border: 1px solid red;
}
... then "undo" the styles for elements with the class that come after the first one, using the general sibling combinator ~ in an overriding rule:
/*
* Select al...
Why not inherit from List?
...of historical facts such as when a player was recruited, injured, retired, etc. Obviously the current player roster is an important fact that should probably be front-and-center, but there may be other interesting things you want to do with this object that require a more historical perspective.
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How to select the rows with maximum values in each group with dplyr? [duplicate]
...g of A and B values.
group_by( A, B) %>%
# Sort rows in descending order by "value" column.
arrange( desc(value) ) %>%
# Pick the top 1 value
slice(1) %>%
# Remember to ungroup in case you want to do further work without grouping.
ungroup()
# Answering an extension of the ...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...e certificate.
Add the root CA (the CA signing the server certificate) to /etc/ssl/certs/ca-certificates.crt
You should use option 2 as it's the option that ensures that you are connecting to secure FTP server.
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Software Design vs. Software Architecture [closed]
...gn patterns, there are architectural patterns: MVC, 3-tier layered design, etc.
Software design is about designing the individual modules / components. What are the responsibilities, functions, of module x? Of class Y? What can it do, and what not? What design patterns can be used?
So in short, S...
How to make --no-ri --no-rdoc the default for gem install?
... Anyway to make this a system wide default without editing /etc/skel and every user's home directory?
– Hackeron
Jan 13 '11 at 3:43
42
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...oesn't make sense to have comments for a post that doesn't exist. Same for orders and order items.
In aggregation, the child object can exist irrespective of its parent. If the parent is destroyed, the child object can still exist, as it may be added to a different parent later. e.g.: the relations...
MySQL ON vs USING?
...ces one output column for each
of the listed column pairs (in the listed order), followed by any
remaining columns from T1, followed by any remaining columns from T2.
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