cursor

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there any way to identify the datatype of a column in a cursor in Android. The cursor object has a number of methods to get the columnname, column value. I want to find out the SQLite datatype of the column (TEXT, INTEGER) etc... I'm writing a generic function to parse a cursor and perform operations. I will only get a sql string as an argument to the function. 回答1: Per the SQLite documentation ( http://www.sqlite.org/datatype3.html ) columns in SQLite don't have a datatype -- the values in those columns do. Any column in an SQLite

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am populating a spinner from the database like this // Populating the City Spinner Cursor cities = db.cityList(); startManagingCursor(cities); // create an array to specify which fields we want to display String[] from = new String[] { DBAdapter.KEY_NAME }; // create an array of the display item we want to bind our data to int[] to = new int[] { android.R.id.text1 }; Spinner cityList = (Spinner) this.findViewById(R.id.citySpiner); SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, android.R.layout.simple_spinner_item, cities, from

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: If I use MySQLdb to connect to MySQL-Server through python. I create a connection and a cursor like this connection = MySQLdb.connect(...) cursor = connection.cursor() # process When the MySQL-processing is done one should close the connection. Now I was wondering: Is it sufficient to close the connection bydoing connection.close() or do I have to close the cursor first and then the connection? Like this: cursor.close() connection.close() 回答1: Think less. Use tools more. from contextlib import closing with closing( connection.cursor() ) as

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have 3 files lcdtest.py, lcd.py and alarmfunctionr.py. I am trying to control the attached lcd display on my raspberry pi with the lcdtest.py script. !/usr/bin/env python import paho.mqtt.client as paho import globals import time from alarmfunctionsr import SendToLCD from lcd import noDisplay from lcd import message globals.init() SendToLCD(12, "test lcd" ,1) #Test time.sleep(5) lcd.message("test with message") time.sleep(5) noDisplay The import from alarmfunctionsr seem to work ok but i get an cannot import name error when i try the same

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I am trying to execute an aggregate operation using Spring Data MongoDB 3.6-rc4. Aggregation agg = newAggregation ( lookup ( "orders" , "orderId" , "_id" , "order" ) ); List results = mongoOperations . aggregate ( agg , "transactions" , BasicDBObject . class ). getMappedResults (); But get the following error on running the query 2017 - 11 - 24 17 : 03 : 41 , 539 WARN org . springframework . data . mongodb . core . MongoTemplate : Command execution of { "aggregate" : "transactions" , "pipeline" : [ { "$lookup" : { "from" : "orders"

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there a way to set the cursor to be at the end of the contents of a CKEditor? This developer asked too, but received no answers: http://cksource.com/forums/viewtopic.php?f=11&t=19877&hilit=cursor+end I would like to set the focus at the end of the text inside a CKEditor. When I use: ckEditor.focus(); It takes me to the beginning of the text already inside the CKEditor. 回答1: Dan's answer got strange results for me, but minor change (in addition to typo fix) made it work: var range = me.editor.createRange(); range.moveToElementEditEnd(

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I would like to use multiprocessing pool with an iterator in order to execute a function in a thread splitting the iterator in N elements until the iterator is finish. import arcpy from multiprocessing import Pool def insert(rows): with arcpy.da.InsertCursor("c:\temp2.gdb\test" fields=["*"]) as i_cursor: #i_cursor is an iterator for row in rows: i_cursor.insertRow(row) input_rows = [] count = 0 pool = Pool(4) with arcpy.da.SearchCursor("c:\temp.gdb\test", fields=["*"]) as s_cursor: #s_cursor is an iterator for row in s_cursor: if (count My

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Is it possible to use Tkinter to render user interfaces for RTL languages such as Arabic or Hebrew? I tried googling on "tkinter rtl" and the search results were disappointing. The Tk wiki indicates there is no bidi support at this time. Is anyone developing Tkinter applications for Arabic or Hebrew locales? 回答1: I realize this is an old question, but I just started working with Tkinter yesterday to develop a Hebrew application in Python. Right-to-left (bidi) is not available as part of the framework, but after a bit of Googling

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I am using the code provided by aFileChooser to get able to get the shared image inside my application. Images from the gallery work OK but if i use an image say inside Google Chrome and try to share it, it gives me a NPE as my imagePath is null. String imagePath = getPath ( getActivity (), imageUri ); My uri is identified as MediaStore (and) general from this code: else if ( "content" . equalsIgnoreCase ( uri . getScheme ())) { if ( isGooglePhotosUri ( uri )) return uri . getLastPathSegment (); return getDataColumn ( context , uri

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am using custom adapter extending cursor adapter for displaying data in listview, to display particular phone number i have passed the id to a method in database class but it is showing errorandroid.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0 while placing debugger in the the method it is not going after the line num = cursor.getString(cursor.getColumnIndex("ContactNumber")); Can any one help me to solve it. This is the code: public String getNumberFromId(int id) { String num; db= this.getReadableDatabase(