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: I am toying around with all the fancy node.js/mongodb/express platforms, and stumbled across a problem: app.get('/tag/:tag', function(req, res){ var tag=req.params.tag; console.log('got tag ' + tag + '.'); catalog.byTag(tag,function(err,cursor) { if(err) { console.dir(err); res.end(err); } else { res.writeHead(200, { 'Content-Type': 'application/json'}); //this crashes cursor.stream().pipe(res); } }); }); As you probably guessed, catalog.byTag(tag, callback) does a find() query to Mongodb and returns the cursor This leads to an error:

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 writing an Android app that has a data type that represents a person (specifically, the parent or guardian of a child). I'd like to be able to "import" the relevant data fields from the Contacts database in the Android device. (This should be optional; that is, it will not be a requirement that the parent/guardian is already in the Contacts database, nor will the Contacts database be updated if they add new parents/guardians.) So far, I have written code to start a new Intent to choose the specific Contact (using Intent.ACTION_PICK). I

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 would like to change the cursor icon to my customized 32x32 image when a Java application is executing. I looked and searched, those I found are just setting cursor on a JComponent. But I want the cursor changed to my specified icon wherever it goes moving, browsing, and click, as long as the Java application is still running, or you can say program runtime. Thanks alot. 回答1: Standard cursor image: setCursor ( Cursor . getDefaultCursor ()); User defined Image: Toolkit toolkit = Toolkit . getDefaultToolkit (); Image image =

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 a textarea and a button on a form. The textarea may already have some text in it. I would like the cursor to move to the last position in the text area when the button is clicked. Is this possible? 回答1: By “the last position”, do you mean the end of the text? Changing the ‘.value’ of a form field will move the cursor to the end in every browser except IE. With IE you have to get your hands dirty and deliberately manipulate the selection, using non-standard interfaces: if (browserIsIE) { var range= element.createTextRange(); range

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 multiple twitter dev keys that I am using to get followers from a list of handles. There are two ways I can do this but have a problem with both. The first: try: .... for user in tweepy.Cursor(api.followers, screen_name=screenName).items(): .... except tweepy.TweepError as e: errorCode = e.message[0]['code'] if errorCode == 88: print "Rate limit exceeded." rotateKeys() The issue here is that every time I rotate keys, the for loop starts from scratch and starts getting the followers again. I tried to get around this but splitting the

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 trying to change style of cursor on element that has 'contenteditable' attribute set to true in IE. text I have tried do that using inline styling like in example above, also with css file and by javascript but with no luck. All my solutions work in FF without problems, they work fine also in IE but only when 'contenteditable' attribute is set to false. So it is definitely somehting related with implementation of contenteditable in IE but I have no clue how to solve this problem. I am using IE8. Thank a lot for your help! 回答1: it

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've been experimenting with UITextField and how to work with it's cursor position. I've found a number of relation Objective-C answers, as in Getting the cursor position of UITextField in ios Control cursor position in UITextField UITextField get currently edited word But since I am working with Swift, I wanted to learn how to get the current cursor location and also set it in Swift. The answer below is the the result of my experimentation and translation from Objective-C. 回答1: This answer has been updated for Swift 3 The

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 do have a problem that gives me a headache. I store some images of my city in the sqlite database via a custom content provider. However when I run my app I get a null cursor. That would mean the the info are not stored correctly or the Uri of my provider is somehow faulty. So. MyCityContract public class MyCityContract { public static final String CONTENT_AUTHORITY = "theo.testing.customloaders"; public static final Uri BASE_CONTENT_URI = Uri.parse("content://" + CONTENT_AUTHORITY); public static final class MyCityEntry implements

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 want to create a dynamic cursor, but my code does not bring me the correct data. What am I doing wrong? DECLARE VAR1 VARCHAR2(500); CURSOR CUR1 IS SELECT T.COL1 FROM TABLE1 T WHERE T.COL1 IN (VAR1); BEGIN VAR1 := q'['V1','V2']'; FOR REG IN CUR1 LOOP DBMS_OUTPUT.PUT_LINE(REG.COL1); END LOOP; END; 回答1: In short, IN clause doesn't support bind variables.. It supports for only value,in the way you used.. You need to specify it like IN (var1, var2) ; Without knowing you , you have used bind variables. One workaround is use REFCURSOR By forming

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 want to select multiple rows and also update all selected rows. so this goal i wrote this query. but when execute it throw exception. I wrote this query in a producer like bellow. PROCEDURE get_rows( a_cursor OUT SYS_REFCURSOR, a_id IN VARCHAR, a_count IN NUMBER); exception detail: java.sql.SQLException: ORA-01002: fetch out of sequence a_cursor is SYS_REFCURSOR OPEN a_cursor FOR SELECT mytable.VID FROM mytable WHERE ROWNUM <= COUNT FOR UPDATE; loop FETCH a_cursor INTO a_id; if a_cursor %notfound then cnumber := 9999; else UPDATE mytable