sqlite

问题 I'm starting a new project where I want to use Codeigniter with SQLite. I searched information about this and I managed to conect and get data from my SQLite database but I have no idea of how can I create a CRUD for a table with this, I'm trying to do it the same way I did in the past with MySQL buy it is not working. Here is what I did: config/database.php $db['default'] = array( 'dsn' => '', 'hostname' => '', 'username' => '', 'password' => '', 'database' => APPPATH.'/database/Pasapalabra

问题 Can I load a disk-database file (.db) to a in-memory database created by :memory: in Sqlite? I am using Mono, and Mono.Data.Sqlite is the library I am linking to. Does anyone know how to do that? or can anyone point me to a document for this library? Thanks! -gb 回答1: you should use the SQLite Backup API. here is a couple of links. Using the SQLite Online Backup API Online Backup API 来源： https://stackoverflow.com/questions/5130952/how-to-load-a-disk-based-database-to-in-memory-database-using

问题 I am trying to retrieve fields from a table in a SQLite database. I've verified that the data is in the table by using the sqlite3 command and running the query which I got out of the Cursor using the debugger against the database referenced inside my "database" object. Here is my code: openForRead(); Cursor cursor = database.query(DATABASE_TABLE, null, // All columns null, null, null, null, "((" + latitude + " - " + KEY_LAT + ") * (" + latitude + " - " + KEY_LAT + ") + ( " + longitude + " -

问题 I am trying to save an Entity with an ID and an DateTimeOffset in a AzureMobileServicesClient SQLite database in a Xamarin Forms application. This work fine as long as the time stamp is non ambiguous. When we go from daylight saving to standard time there is a period a time where a time stamp can be ambiguous depending on the timezone. In 2016 in Denmark it is 2:00-3:00 AM October 30th. I save the Entities DateTimeOffset as UTC, but it saves it as a local timestamp. When I save an ambiguous

问题 I have a re-usable django application which should support python2.7 , python 3.x and pypy . I developed it in python 2.7 at the beginning and all of my tests are worked very well. I also made them worked in python3.3 too. But I have a problem with python3.4 , pypy , pypy3 ; django.db.utils.OperationalError: parser stack overflow My tests run on sqlite3 . I check the trace, I just could guess that it is about query size. I couldn't find any solution to solve this problem. I overrided builtin

问题 I have a re-usable django application which should support python2.7 , python 3.x and pypy . I developed it in python 2.7 at the beginning and all of my tests are worked very well. I also made them worked in python3.3 too. But I have a problem with python3.4 , pypy , pypy3 ; django.db.utils.OperationalError: parser stack overflow My tests run on sqlite3 . I check the trace, I just could guess that it is about query size. I couldn't find any solution to solve this problem. I overrided builtin

问题 I have a re-usable django application which should support python2.7 , python 3.x and pypy . I developed it in python 2.7 at the beginning and all of my tests are worked very well. I also made them worked in python3.3 too. But I have a problem with python3.4 , pypy , pypy3 ; django.db.utils.OperationalError: parser stack overflow My tests run on sqlite3 . I check the trace, I just could guess that it is about query size. I couldn't find any solution to solve this problem. I overrided builtin

问题 I got this : Cursor c = db.query("Org", null, null, null, null, null, null); which means I choose a table "Org", but together with this I need to make this : Cursor c = db.rawQuery(" SELECT "+ id + " AS _id") because SimpleAdapter need to have an _id field necessarily for some reason or it will crash with an error. How do I combine this 2 into one query? 回答1: For your statement : Cursor c = db.query("Org", null, null, null, null, null, null); the second parameter is wrong, you shoukd mention

问题 In my android app, i m trying show a list through list adapter and the data comes from SQLite db. However the list items are not showing up , though everything is fine , i think! . This is my code for showing list @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.store_list_activity); float storeId = 1; //Storedb is my data adapter class of SQLite StoreDb storelist = new StoreDb(this); storelist.open(); ArrayList

问题 In my android app, i m trying show a list through list adapter and the data comes from SQLite db. However the list items are not showing up , though everything is fine , i think! . This is my code for showing list @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.store_list_activity); float storeId = 1; //Storedb is my data adapter class of SQLite StoreDb storelist = new StoreDb(this); storelist.open(); ArrayList