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How to think in data stores instead of databases?
As an example, Google App Engine uses Google Datastore, not a standard database, to store data. Does anybody have any tips for using Google Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard t...
Why doesn't django's model.save() call full_clean()?
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I see two problems with this approach 1) in case of ModelForm's full_clean() would be called twice: by the form and by the signal 2) If the form excludes some fields, they would still be validated by the signal.
– mehmet
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Adding a directory to $LOAD_PATH (Ruby)
...keAntins, this is really great but where should I "bootstrap" load_path in application?
– gaussblurinc
Aug 6 '14 at 13:48
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Read environment variables in Node.js
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It's worth mentioning that this does not work in a React application. process.env is sanitized for security reasons. Only variables that begin with REACT_ENV_ are available. See: github.com/facebookincubator/create-react-app/blob/master/…
– Mark Edington
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Django select only rows with duplicate field values
...))
It results in this rather simple SQL query:
SELECT unnest(ARRAY_AGG("app_literal"."id")) AS "ids"
FROM "app_literal"
GROUP BY "app_literal"."name"
HAVING array_length(ARRAY_AGG("app_literal"."id"), 1) > 1
share
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How to test android referral tracking?
...eceiver
For Google Analytics v3:
com.your.package/com.google.android.apps.analytics.AnalyticsReceiver
For Google Analytics v4:
com.your.package/com.google.android.gms.analytics.CampaignTrackingReceiver
As Luigi said, you can also leave out the "-n" componentname part, but then every ap...
How to re-sign the ipa file?
...visioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the app store.
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App store link for “rate/review this app”
I want to put a "rate/review this app" feature into my app.
26 Answers
26
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Rails 3.1: Engine vs. Mountable App
... help me understand the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
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How to make an app's background image repeat
I have set a background image in my app, but the background image is small and I want it to be repeated and fill in the whole screen. What should I do?
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