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What is the logic behind the “using” keyword in C++?
...aration. The
identifier following the using keyword becomes a typedef-name and the
optional attribute-specifier-seq following the identifier appertains
to that typedef-name. It has the same semantics as if it were
introduced by the typedef specifier. In particular, it does not define
a new type and ...
How to group dataframe rows into list in pandas groupby?
I have a pandas data frame df like:
12 Answers
12
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jquery - return value using ajax result on success
...ou can not return a value from an asynchronous call, like an AJAX request, and expect it to work.
The reason is that the code waiting for the response has already executed by the time the response is received.
The solution to this problem is to run the necessary code inside the success: callback. ...
How to split a column into two columns?
I have a data frame with one column and I'd like to split it into two columns, with one column header as ' fips' and the other 'row'
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How to force keyboard with numbers in mobile website in Android
I have a mobile website and it has some HTML input elements in it, like this:
7 Answers
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Java 8 Distinct by property
... returns a predicate that maintains state about what it's seen previously, and that returns whether the given element was seen for the first time:
public static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) {
Set<Object> seen = ConcurrentHashMap.new...
Changing git commit message after push (given that no one pulled from remote)
I have made a git commit and subsequent push. I would like to change the commit message. If I understand correctly, this is not advisable because someone might have pulled from the remote repository before I make such changes. What if I know that no one has pulled?
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How do I link to Google Maps with a particular longitude and latitude?
I have a small application that gives the current location: longitude and latitude.
Now I have to browse to google maps with the longitude and latitude.
Please suggest how I can do this.
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Rails migration for change column
...yan: as far as I know, the only magical words in migration names are "add" and "remove".
– Alex Korban
May 10 '10 at 22:57
1
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How to check sbt version?
...t to use sbt about that (copying Mark Harrah's comment):
The about command was added recently to try to succinctly print the
most relevant information, including the sbt version.
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