I am developing an iPad application and I have to use CTRunDelegate. I have defined all the required callbacks, namely CTRunDelegateGetAscentCallback, CTRunDelegateGetDescentCallback, CTRunDelegate
Tag: How to
How to implement a search bar in the iPhone?
I am trying to implement a tab bar application, one of the tabs provides a search bar.
When I click the search button after entering some data in the search field, I should Get a tableview that di
How do I start the iBooks e-book reader on the iPad?
Just like UIApplication.openURL.
Is there an API to launch iBook using ISBN?
Just like UIApplication.openURL.
Is there an API to launch iBook using ISBN?
iBooks registers it
How to Max in SQLite (count (x))
I have a SQLite table blog_posts. Each blog post has an id and blog_id.
If I want to know how much each blog has Blog posts:
SELECT blog_id, count(1) posts FROM blog_posts group by blog
How do I retrieve data from SQLITE to VB6?
I use SQLite3 ODBC driver as my connection string,
Dim conn As ADODB.Connection Set conn = New ADODB.Connection
Dim rs As New ADODB.Recordset
Set conn = New ADODB.Connection
conn.ConnectionSt
How to execute multiple RSQLite statements at a time or how to dump the entire file?
Using RSQLite to build a SQLite database I want to send multiple statements at once-is this possible?
Why these don’t work:
sql <- readLines("createtables.sql") dbSendQuery(con,sql ) ……
How do I scroll to the last line of the SQLITE model in the QTableView?
I have a Sqlite model with a few thousand rows connected to a QTableView. I can view the rows in the QTableView, but when I scroll to the bottom of the QTableView, I can only reach the first few hu
How to configure Cassandra remote connection
I am trying to configure Cassandra Datastax Community Edition on Windows for remote connection,
Cassandra Server is installed on a Windows 7 PC, using local CQLSH, It can connect to the local
How to store video in the PostgreSQL database?
I store image files (such as jpg, png) in a PostgreSQL database. I found information on how to do that here.
Similarly, I want to store videos in a PostgreSQL database. I searched on the Inte
How do I correctly design a VS matching table in PostgreSQL?
I have considered this problem, and I have not come up with something better. So let me describe my problem, my current solution, and what I want to improve Place. I also have some concerns, such a