On the iPhone, how can I check if some UIAlertView is displayed before displaying the UIAlertView? I don’t think there is any built-in way to determine if any alerts are displayed. My way of dea
Tag: view
Why is PowerDesigner successfully generated a table to Oracle, use SQL operation prompt table or view does not exist
The Oracle database and generator database are successfully designed in powerdesigner. You can see the generated tables with PLSQL Developer, but when you add, delete and modify these tables or seq
IPAD – Multiple MODAL View controllers Change the basic modality to Full Screen after rotation
This has troubled me for a long time. I did a lot of research on this, but I couldn’t find the answer. I’m posting a question here for the first time, if I make a mistake, Please correct/forgive me
iPad – How to use UISPLITVIEWCONTROLLER as a modal view controller?
I am trying to display a UISplitViewController in my iPad app, to display it as a modal view controller. I managed to make it display, but for some reason, the modal view left There is a gap on the
Nosql – Sorting Date in CouchDB View
I have a nested JSON object for the following key states:
{
“2011-01-19 09:41: 00 AM”: “Prototype status application”,
“2011-01-20 09:41:00 AM”: “Play CouchDB”
}
This is a small appli
PostgreSQL – Returning data from the update view does not work?
I have two simple tables of person and address, inserted through the updatable view person_details.
Relations and triggers
CREATE TABLE address (
id serial PRIMARY KEY,
street varchar
PostgreSQL – Refreshing materialized view Concurrently causes table expansion
In PostgreSQL 9.5, I decided to create a materialized view “effect” and schedule hourly concurrent refreshes, because I want it to be always available:
< /p> REFRESH MATERIALIZED VIEW CONCURR
PostgreSQL creation view
I have the following columns in Form A. They record user fingerprint “transactions” every time they register or check out from the building.
CREATE TABLE user_transactions(
id serial P
Cassandra – Scylladb 2.1 – inconsistent with the materialization view
When deciding on the technology stack of my own product, I decided to use the scyllaDB database because of its impressive performance.
For local development , I set up Cassandra on my Macbook
React Native IOS 8.1 Application crashes when accessing a new view – only when not using the debugger
I have a react-native app that runs on iOS. On iOS 9.2, the app runs perfectly, whether it is using the Chrome debugger or not when it is used. But , In iOS 8.1, the app will load, and you can refr