ubuntu-phone team mailing list archive

[Roberto Alsina <roberto.alsina@xxxxxxxxxxxxx>]

Old trick: JSON-encode everything and always store strings. Makes it a bit
slower but it lets you use most useful data types.


On Fri, Aug 1, 2014 at 5:55 AM, Christian Dywan <
christian.dywan@xxxxxxxxxxxxx> wrote:

> On 31.07.2014 19:45, Sam Bull wrote:
> > On ĵaŭ, 2014-07-31 at 17:44 +0200, Christian Dywan wrote:
> >> From my point of view once you start dealing with objects you'll want
> >> U1db* and for instance save your object as a document.
> >>
> >> Do you have a specific example?
> > My app is a dictionary, and it contains translations for many languages.
> > I want to only display relevant languages to the user. For this, I use
> > an Object as a simple key/value store, with the key being the language
> > and the value a boolean as to whether it should be shown or not.
> >
> > I'd prefer the keys to not be hardcoded, as I load all the data
> > (including the list of languages) from downloaded data, so if a new
> > language were to be added to the list, then the app would check at the
> > beginning and see it missing from the saved Object and add a value for
> > it.
> >
> > Essentially, all I want is a simple Python dictionary.
> >
> > Although, having just explained all this, I've just realised a possibly
> > better solution would be to simply store an array of enabled languages,
> > and check if a language is in the array. Though, this would still be
> > better if the values were hashed, are there sets in Javascript, and
> > could they be saved?
> You can do [ "en", "fr" ] or { "en": "English", "fr": "French" } however
> they are object types in Javascript thus not allowed as settings values.
>
>
> QSettings has support for arrays in the C++ API
> http://qt-project.org/doc/qt-4.8/qsettings.html#beginWriteArray
>
> It should be possible to extend the backend so that it detects arrays
> and stores them as such.
>
>
>
> As a short-term solution you could use a string instead like "en,fr".
>
> ciao,
>     Christian
>
>
> --
> Mailing list: https://launchpad.net/~ubuntu-phone
> Post to     : ubuntu-phone@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~ubuntu-phone
> More help   : https://help.launchpad.net/ListHelp
>
>