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Linking to an external URL in Javadoc?
...rding to the Javadoc spec the @see tag comes after the @param/@return tags and before the @since/@serial/@deprecated tags.
– friederbluemle
Oct 11 '13 at 5:18
7
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How to get std::vector pointer to the raw data?
...ortant Beware of vector<bool> which is the exception to this answer (and doesn't have a contiguous memory storage of bools).
– Motti
Jun 26 '11 at 18:12
18
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Measuring function execution time in R
Is there a standardized way in R of measuring execution time of function?
10 Answers
1...
How to use gitignore command in git
I'm working first time on git. I have pushed my branch on github and it pushed all the library and documents into the github. Now what can I do and how can I use gitignore command to avoid the same mistake again.
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How to create JSON string in C#
...ing. I assume you would just use a stringbuilder to build the JSON string and them format your response as JSON?
14 Answer...
Rails: Default sort order for a rails model?
...fault sorting to be done on.
Note: ASC is the code to use for Ascending and DESC is for descending (desc, NOT dsc !).
scope
Once you're used to that you can also use scope:
class Book < ActiveRecord::Base
scope :confirmed, :conditions => { :confirmed => true }
scope :published, ...
How can I select rows with most recent timestamp for each key value?
I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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Undoing a git rebase
...t was immediately before the rebase started in the reflog...
git reflog
and to reset the current branch to it (with the usual caveats about being absolutely sure before reseting with the --hard option).
Suppose the old commit was HEAD@{5} in the ref log:
git reset --hard HEAD@{5}
In Windows, ...
Why does pattern matching in Scala not work with variables?
...sense that the default behaviour is for lowercase patterns to be variables and not stable identifiers. Only when you see something beginning with upper case, or in back ticks, do you need to be aware that it comes from the surrounding scope.
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Converting JSON data to Java object
... I can generate Java from this JSON string?
Google Gson supports generics and nested beans. The [] in JSON represents an array and should map to a Java collection such as List or just a plain Java array. The {} in JSON represents an object and should map to a Java Map or just some JavaBean class.
Y...