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Gson - convert from Json to a typed ArrayList
...og is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6.
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MySQL get row position in ORDER BY
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Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t.name,
@rownum := @rownum + 1 AS position
FROM TABLE t
JOIN (SELECT @rownum := 0) r
ORDER BY t.name) x
WHERE...
Correct way to define C++ namespace methods in .cpp file
...id f(); }; X operator==( X const &, X const & ); }, now in the cpp file with the using statement you can define the member function as void X::f() {}, but if you define X operator==(X const&, X const&) you will be defining a different operator from the one defined in the header (you ...
Is there a version control system for database structure changes?
...ration -- a quick script to change the database.
You generate a migration file, which has rules to increase the db version (such as adding a column) and rules to downgrade the version (such as removing a column). Each migration is numbered, and a table keeps track of your current db version.
To mi...
Where does R store packages?
... default, I prefer to have them installed in my home directory. In my .Rprofile, I have this line:
.libPaths( "/Users/tex/lib/R" )
This adds the directory "/Users/tex/lib/R" to the front of the .libPaths variable.
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Good Linux (Ubuntu) SVN client [closed]
...UI for, and whether you would prefer to open up a GUI app and download the files, or just type "svn co svn://site-goes-here.org/trunk"
You can easily add, remove, move, commit, copy or update files with simple commands given with "svn help", so for most users it is more than enough.
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JSON: why are forward slashes escaped?
...e to escape the solidus character. See ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf
– Joa Ebert
Aug 25 '15 at 11:59
11
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Coalesce function for PHP?
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Putting func_get_args() inside the foreach (here as $arg) won't change anything from a performance point of view.
– Savageman
Dec 12 '09 at 1:47
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Saving a Numpy array as an image
...cipy. An alternative a few comments below is to use imageio.imwrite('image_file.jpg', array)
– Psi-Ed
May 3 at 6:17
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Use a URL to link to a Google map with a marker on it
...or further details please read aforementioned documentation.
You can also file feature requests for this API in Google issue tracker.
Hope this helps!
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