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• MySql query optimization help

  - by rohitgu

  I have few queries and am not able to figure out how to optimize them, QUERY 1 select * from t_twitter_tracking where classified is null and tweetType='ENGLISH' order by id limit 500; QUERY 2 Select count(*) as cnt, DATE_FORMAT(CONVERT_TZ(wrdTrk.createdOnGMTDate,'+00:00','+05:30'),'%Y-%m-%d') as dat from t_twitter_tracking wrdTrk where wrdTrk.word like ('dell') and CONVERT_TZ(wrdTrk.createdOnGMTDate,'+00:00','+05:30') between '2010-12-12 00:00:00' and '2010-12-26 00:00:00' group by dat; Both these queries run on the same table, CREATE TABLE `t_twitter_tracking` ( `id` BIGINT(20) NOT NULL AUTO_INCREMENT, `word` VARCHAR(200) NOT NULL, `tweetId` BIGINT(100) NOT NULL, `twtText` VARCHAR(800) NULL DEFAULT NULL, `language` TEXT NULL, `links` TEXT NULL, `tweetType` VARCHAR(20) NULL DEFAULT NULL, `source` TEXT NULL, `sourceStripped` TEXT NULL, `isTruncated` VARCHAR(40) NULL DEFAULT NULL, `inReplyToStatusId` BIGINT(30) NULL DEFAULT NULL, `inReplyToUserId` INT(11) NULL DEFAULT NULL, `rtUsrProfilePicUrl` TEXT NULL, `isFavorited` VARCHAR(40) NULL DEFAULT NULL, `inReplyToScreenName` VARCHAR(40) NULL DEFAULT NULL, `latitude` BIGINT(100) NOT NULL, `longitude` BIGINT(100) NOT NULL, `retweetedStatus` VARCHAR(40) NULL DEFAULT NULL, `statusInReplyToStatusId` BIGINT(100) NOT NULL, `statusInReplyToUserId` BIGINT(100) NOT NULL, `statusFavorited` VARCHAR(40) NULL DEFAULT NULL, `statusInReplyToScreenName` TEXT NULL, `screenName` TEXT NULL, `profilePicUrl` TEXT NULL, `twitterId` BIGINT(100) NOT NULL, `name` TEXT NULL, `location` VARCHAR(100) NULL DEFAULT NULL, `bio` TEXT NULL, `url` TEXT NULL COLLATE 'latin1_swedish_ci', `utcOffset` INT(11) NULL DEFAULT NULL, `timeZone` VARCHAR(100) NULL DEFAULT NULL, `frenCnt` BIGINT(20) NULL DEFAULT '0', `createdAt` DATETIME NULL DEFAULT NULL, `createdOnGMT` VARCHAR(40) NULL DEFAULT NULL, `createdOnServerTime` DATETIME NULL DEFAULT NULL, `follCnt` BIGINT(20) NULL DEFAULT '0', `favCnt` BIGINT(20) NULL DEFAULT '0', `totStatusCnt` BIGINT(20) NULL DEFAULT NULL, `usrCrtDate` VARCHAR(200) NULL DEFAULT NULL, `humanSentiment` VARCHAR(30) NULL DEFAULT NULL, `replied` BIT(1) NULL DEFAULT NULL, `replyMsg` TEXT NULL, `classified` INT(32) NULL DEFAULT NULL, `createdOnGMTDate` DATETIME NULL DEFAULT NULL, `locationDetail` TEXT NULL, `geonameid` INT(11) NULL DEFAULT NULL, `country` VARCHAR(255) NULL DEFAULT NULL, `continent` CHAR(2) NULL DEFAULT NULL, `placeLongitude` FLOAT NULL DEFAULT NULL, `placeLatitude` FLOAT NULL DEFAULT NULL, PRIMARY KEY (`id`), INDEX `id` (`id`, `word`), INDEX `createdOnGMT_index` (`createdOnGMT`) USING BTREE, INDEX `word_index` (`word`) USING BTREE, INDEX `location_index` (`location`) USING BTREE, INDEX `classified_index` (`classified`) USING BTREE, INDEX `tweetType_index` (`tweetType`) USING BTREE, INDEX `getunclassified_index` (`classified`, `tweetType`) USING BTREE, INDEX `timeline_index` (`word`, `createdOnGMTDate`, `classified`) USING BTREE, INDEX `createdOnGMTDate_index` (`createdOnGMTDate`) USING BTREE, INDEX `locdetail_index` (`country`, `id`) USING BTREE, FULLTEXT INDEX `twtText_index` (`twtText`) ) COLLATE='utf8_general_ci' ENGINE=MyISAM ROW_FORMAT=DEFAULT AUTO_INCREMENT=12608048; The table has more than 10 million records. How can I optimize it?

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• CSS fluid layout with 2 columms

  - by Sune

  Ive building a website with a fluid layout. The structure is: <div id="maincontainer"> <div id="topsection"> <div class="innertube"><h1>CSS Liquid Layout #2.2- (Fluid-Fixed)</h1></div> </div> <div id="contentwrapper"> <div id="contentcolumn"> <div class="innertube"><b>Content Column:</b></div> </div> </div> <div id="rightcolumn"> <div class="innertube"><b>Right Column: <em>200px</em></b> <script type="text/javascript">filltext(14);</script></div> </div> <div id="footer"><a href="#">Some footer</a></div> </div> My problem is when my contentcolumm grows(height) I cant get my right columm too grow with. I can fix the problem with javascript where I measure out the contentcolumn height and set the same height on my rightcolumm. But Im wondering if there are any better css solution. here is clip from my css: #contentwrapper{ float: left; width: 100%; background:#FF7000; } #contentcolumn{ margin-right: 200px; } #rightcolumn{ float: left; width: 200px; margin-left: -200px; background: #BBBBBB; }

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• how to generate an event

  - by user262325

  Hello everyone I created a subclass from UIView #import <UIKit/UIKit.h> @interface MeeSelectDropDownView : UIView { UILabel *mainText; UIImage *bgImg; UIImageView *bgView; UIImageView *originView; NSMutableArray *labelArray; int selectedItem; BOOL inSelectTag; float _defaultHeight; } @property (nonatomic , retain) UIImage *bgImg; @property (nonatomic , retain) UIImageView *bgView; @property (nonatomic , retain) NSMutableArray *labelArray; @property (nonatomic , retain) UIImageView *originView; @property (nonatomic , retain) UILabel *mainText; @property (nonatomic , readonly) int selectedItem; - (void) setViewHeight:(float)aheight; -(void) showDropList; -(void) hiddenDropList; -(void) setStringByArray:(NSArray*)array; -(void)hiddenLabels { for(UILabel *aLabel in labelArray){ [aLabel removeFromSuperview]; } } Is it possible to generate an Event from function 'hiddenLabels' to inform and do somethings Thanks interdev

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• CSS for toolbar with UI Slider centered between left and right buttons

  - by Tauren

  I'm attempting to create a 100% width toolbar. This toolbar needs to have a variable number of buttons aligned to the left side, as well as a variable number of buttons aligned to the right. That's the easy part. But now I want to put a jQuery UI slider in the center that takes up the full remaining space between the buttons on the left and the buttons on the right. I'm having troubles figuring out a pure-CSS way of doing this. I've tried something like below, but I really don't want to have fixed percentage widths. If there is only one button on the left and one on the right, then I want the centered slider to take the full space between them, not just 33% of the full width. .toolbar {width: 100%;} .toolbar .toolbar-left {float: left;width: 33%;} .toolbar .toolbar-right {float: right;width: 33%;} .toolbar .toolbar-center {margin: 0 auto;width: 33%;} I'm using UI Buttons for my buttons and styling -- see an example. In that example, there is a toolbar that is the full width of the page. Imagine the two right most sets of buttons being aligned to the right of the toolbar. Then in the middle empty space, I want to put a UI Slider, and use all the space between buttons (minus some padding). Is there a way to do this with CSS, or will I need to whip up some javascript to position things properly?

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• Specifying formatting for csv.writer in Python

  - by user248237

  I am using csv.DictWriter to output csv files from a set of dictionaries. I use the following function: def dictlist2file(dictrows, filename, fieldnames, delimiter='\t', lineterminator='\n'): out_f = open(filename, 'w') # Write out header header = delimiter.join(fieldnames) + lineterminator out_f.write(header) # Write out dictionary data = csv.DictWriter(out_f, fieldnames, delimiter=delimiter, lineterminator=lineterminator) data.writerows(dictrows) out_f.close() where dictrows is a list of dictionaries, and fieldnames provides the headers that should be serialized to file. Some of the values in my dictionary list (dictrows) are numeric -- e.g. floats, and I'd like to specify the formatting of these. For example, I might want floats to be serialized with "%.2f" rather than full precision. Ideally, I'd like to specify some kind of mapping that says how to format each type, e.g. {float: "%.2f"} that says that if you see a float, format it with %.2f. Is there an easy way to do this? I don't want to subclass DictWriter or anything complicated like that -- this seems like very generic functionality. How can this be done? The only other solution I can think of is: instead of messing with the formatting of DictWriter, just use the decimal package to specify the decimal precision of floats to be %.2 which will cause to be serialized as such. Don't know if this is a better solution? thanks very much for your help.

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• how to dynamically replace css?

  - by photographer

  I've got an image on the page (class='image') within the div (class='galleria_wrapper') and want to place a caption (class='caption') at the lower right corner under that image. The image could be vertical or horizontal, and making a fixed padding-right value let's say .caption<{float:right;padding-top:5px;padding-right:90px;} is not working for one or another. I need to switch on the fly padding-right value depending on horizontal or vertical image is currently on the page. I can theoretically access image's width through document.getElementByName('image').width although don't understand where to put that code. So, I probably need something like that: document.getElementByClass('caption').padding-right = (document.getElementByName('galleria_wrapper').width - document.getElementByName('image').width)/2 Where do I put this code? I do have that in my css file: .caption{float:right;padding-top:5px;} which places the caption below the image, but to far to the right (div 'galleria_wrapper' is wider than most of the images supposed to be displayed within that area). I have an img tag in the html: <img src=image title='this is caption' /></li> ...and some JavaScript which makes title displayed styled by the "caption" css definition. How do I assign variable value for the padding-right without in-advance knowledge of particular image's width?

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• android app working on simulator but not on phone

  - by raqz

  i have this app that i developed and it works great on the simulator with no errors what so ever. but the moment i try to run the same on the phone for testing, the app crashes stating filenotfoundexception. it says the file /res/drawable/divider_horizontal.9.png is missing. but actually speaking, i have never referenced that file through my code. i believe its a system/os file that is unavailable. i have a custom list view, i guess its the divider there... could somebody please suggest what is wrong here. i believe this is a similar issue discussed here..but i am unable to make any sense out of it http://code.google.com/p/transdroid/issues/detail?id=14 the listview.xml layout file <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_height="wrap_content" android:gravity="left|center" android:layout_width="wrap_content" android:paddingBottom="5px" android:paddingTop="5px" android:paddingLeft="5px" > <ImageView android:id="@+id/linkImage" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="6dip" android:src="@drawable/icon" /> <LinearLayout android:orientation="vertical" android:layout_width="0dip" android:layout_weight="1" android:layout_height="fill_parent"> <TextView android:id="@+id/firstLineView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:textColor="#FFFF00" android:text="first line title"></TextView> <TextView android:id="@+id/secondLineView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="second line title" android:layout_marginLeft="10px" android:gravity="center" android:textColor="#0099CC"></TextView> </LinearLayout> </LinearLayout> the main xml file that calls the listview.xml <?xml version="1.0" encoding="UTF-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="40px"> <Button android:id="@+id/todayButton" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Today" android:textSize="12sp" android:gravity="center" android:layout_weight="1" /> <Button android:id="@+id/tomorrowButton" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Tomorrow" android:textSize="12sp" android:layout_weight="1" /> <Button android:id="@+id/WeekButton" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Future" android:textSize="12sp" android:layout_weight="1" /> </LinearLayout> <LinearLayout android:id="@+id/listLayout" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ListView android:id="@+id/ListView01" android:layout_width="fill_parent" android:layout_height="fill_parent" /> <TextView android:id="@id/android:empty" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="No Results" /> </LinearLayout> </LinearLayout> </FrameLayout> and the code for the same is private class EfficientAdapter extends BaseAdapter{ private LayoutInflater mInflater; private String eventTitleArray[]; private String eventDateArray[]; private String eventImageLinkArray[]; public EfficientAdapter(Context context,String[] eventTitleArray,String[] eventDateArray, String[] eventImageLinkArray){ mInflater = LayoutInflater.from(context); this.eventDateArray=eventDateArray; this.eventTitleArray=eventTitleArray; this.eventImageLinkArray =eventImageLinkArray; } public int getCount(){ //return XmlParser.todayEvents.size()-1; return this.eventDateArray.length; } public Object getItem(int position){ return position; } public long getItemId(int position){ return position; } public View getView(int position, View convertView, ViewGroup parent){ ViewHolder holder; if(convertView == null){ convertView = mInflater.inflate(R.layout.listview,null); holder = new ViewHolder(); holder.firstLine = (TextView) convertView.findViewById(R.id.firstLineView); holder.secondLine = (TextView) convertView.findViewById(R.id.secondLineView); holder.imageView = (ImageView) convertView.findViewById(R.id.linkImage); //holder.checkbox = (CheckBox) convertView.findViewById(R.id.star); holder.firstLine.setFocusable(false); holder.secondLine.setFocusable(false); holder.imageView.setFocusable(false); //holder.checkbox.setFocusable(false); convertView.setTag(holder); }else{ holder = (ViewHolder) convertView.getTag(); } Log.i(tag, "Creating the list"); holder.firstLine.setText(this.eventTitleArray[position]); holder.secondLine.setText(this.eventDateArray[position]); Bitmap bitmap; try { bitmap = BitmapFactory.decodeStream((InputStream)new URL("http://eventur.sis.pitt.edu/images/heinz7.jpg").getContent()); } catch (MalformedURLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (Exception e1) { // TODO Auto-generated catch block bitmap = BitmapFactory.decodeFile("assets/heinz7.jpg");//decodeFile(getResources().getAssets().open("icon.png")); e1.printStackTrace(); } try { try{ bitmap = BitmapFactory.decodeStream((InputStream)new URL(this.eventImageLinkArray[position]).getContent());} catch(Exception e){ bitmap = BitmapFactory.decodeStream((InputStream)new URL("http://eventur.sis.pitt.edu/images/heinz7.jpg").getContent()); } int width = 0; int height =0; int newWidth = 50; int newHeight = 40; try{ width = bitmap.getWidth(); height = bitmap.getHeight(); } catch(Exception e){ width = 50; height = 40; } float scaleWidth = ((float)newWidth)/width; float scaleHeight = ((float)newHeight)/height; Matrix mat = new Matrix(); mat.postScale(scaleWidth, scaleHeight); try{ Bitmap newBitmap = Bitmap.createBitmap(bitmap,0,0,width,height,mat,true); BitmapDrawable bmd = new BitmapDrawable(newBitmap); holder.imageView.setImageDrawable(bmd); holder.imageView.setScaleType(ScaleType.CENTER); } catch(Exception e){ } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return convertView; } class ViewHolder{ TextView firstLine; TextView secondLine; ImageView imageView; //CheckBox checkbox; } The stack trace 12-12 22:55:25.022: ERROR/AndroidRuntime(11069): Uncaught handler: thread main exiting due to uncaught exception 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): android.view.InflateException: Binary XML file line #6: Error inflating class java.lang.reflect.Constructor 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.createView(LayoutInflater.java:512) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:562) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.rInflate(LayoutInflater.java:617) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.inflate(LayoutInflater.java:407) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.inflate(LayoutInflater.java:320) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.inflate(LayoutInflater.java:276) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.eventur.MainActivity$EfficientAdapter.getView(MainActivity.java:566) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.AbsListView.obtainView(AbsListView.java:1274) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.makeAndAddView(ListView.java:1661) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.fillDown(ListView.java:610) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.fillFromTop(ListView.java:673) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ListView.layoutChildren(ListView.java:1519) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.AbsListView.onLayout(AbsListView.java:1113) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:998) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.LinearLayout.onLayout(LinearLayout.java:918) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.FrameLayout.onLayout(FrameLayout.java:333) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.View.layout(View.java:6156) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.ViewRoot.performTraversals(ViewRoot.java:950) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.ViewRoot.handleMessage(ViewRoot.java:1529) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.os.Handler.dispatchMessage(Handler.java:99) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.os.Looper.loop(Looper.java:123) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.app.ActivityThread.main(ActivityThread.java:3977) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Method.invokeNative(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Method.invoke(Method.java:521) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at dalvik.system.NativeStart.main(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): Caused by: java.lang.reflect.InvocationTargetException 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ImageView.<init>(ImageView.java:128) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Constructor.constructNative(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at java.lang.reflect.Constructor.newInstance(Constructor.java:446) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.view.LayoutInflater.createView(LayoutInflater.java:499) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): ... 42 more 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/divider_horizontal_dark.9.png from drawable resource ID #0x7f020001 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.Resources.loadDrawable(Resources.java:1643) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.TypedArray.getDrawable(TypedArray.java:548) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.widget.ImageView.<init>(ImageView.java:138) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): ... 46 more 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): Caused by: java.io.FileNotFoundException: res/drawable/divider_horizontal_dark.9.png 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.AssetManager.openNonAssetNative(Native Method) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.AssetManager.openNonAsset(AssetManager.java:417) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): at android.content.res.Resources.loadDrawable(Resources.java:1636) 12-12 22:55:25.212: ERROR/AndroidRuntime(11069): ... 48 more

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• Why isn't the background image showing up on my webpage?

  - by William

  okay, so I'm trying to set up a webpage with a div wrapping two other divs, and the wrapper div has a background, and the other two are transparent. How come this isn't working? here is the CSS: .posttext{ float: left; width: 70%; text-align: left; padding: 5px; background-color: !important #transparent; } .postavi{ float: left; width: 100px; height: 100%; text-align: left; background-color: #transparent; padding: 5px; } .postwrapper{ background-image:url('images/post_bg.png'); background-position:left top; background-repeat:repeat-y; } and here is the HTML: <div class="postwrapper"> <div class="postavi"><img src="http://prime.programming-designs.com/test_forum/images/avatars/hacker.png" alt="hacker"/></div><div class="posttext"><p style="color: #ff0066">You will have bad luck today.</p>lol</div> </div>

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• Background-color puzzle on CSS for heading/title div.

  - by ProfK

  I have the following title div setup, but when only the leftmost div has content, the red background for the title is not applied. Why is this, as the 'title' div has content, and its background should be red. Head stuff: <title>Into the Breech</title> <link href="Styles/Reset.css" rel="stylesheet" type="text/css" /> <style type="text/css"> body { font-family: Arial, Sans-Serif, System; } #title { background-color: #F71831; font-weight: bold; } .title-segment-left { float: left; } </style> Body stuff: <div id="title"> <div id="menu-title" class="title-segment-left" style="width: 200px;"> Menu </div> <div id="main-title" class="title-segment-left" style="width: auto;"> Home Page </div> <div id="right-title" style="float: right;"> Provantage Media Management System </div> </div>

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• CSS position absolute doesn't work in IE7

  - by Syom

  i have the following simple script, but it doesn't work in IE7 <div id="content"> <div id="left"></div> <div id="right"></div> <div id="bottom_menus">any text here...</div> </div> and CSS #content { margin: 0 auto; padding: 0; width: 980px; background-color: lime; height: 800px; overflow: hidden; position: relative; } #left { width: 275px; float: left; background-color: olive; margin: 0px 0px -5000px 0; padding: 0 0 5000px 0; min-height: 400px; } #right { width: 704px; float: left; background-color: red; margin: 0px 0px -5000px 0; padding: 0 0 5000px 0; min-height: 400px; } #bottom_menus { background-color: orange; height: 15px; position: absolute; bottom: 0px; width: 100%; } why position absolute doesn't work? thanks in advance

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• Why does my Sax Parser produce no results after using InputStream Read?

  - by Andy Barlow

  Hello, I have this piece of code which I'm hoping will be able to tell me how much data I have downloaded (and soon put it in a progress bar), and then parse the results through my Sax Parser. If I comment out basically everything above the //xr.parse(new InputSource(request.getInputStream())); line and swap the xr.parse's over, it works fine. But at the moment, my Sax parser tells me I have nothing. Is it something to do with is.read (buffer) section? Also, just as a note, request is a HttpURLConnection with various signatures. /*Input stream to read from our connection*/ InputStream is = request.getInputStream(); /*we make a 2 Kb buffer to accelerate the download, instead of reading the file a byte at once*/ byte [ ] buffer = new byte [ 2048 ] ; /*How many bytes do we have already downloaded*/ int totBytes,bytes,sumBytes = 0; totBytes = request.getContentLength () ; while ( true ) { /*How many bytes we got*/ bytes = is.read (buffer); /*If no more byte, we're done with the download*/ if ( bytes <= 0 ) break; sumBytes+= bytes; Log.v("XML", sumBytes + " of " + totBytes + " " + ( ( float ) sumBytes/ ( float ) totBytes ) *100 + "% done" ); } /* Parse the xml-data from our URL. */ // OLD, and works if comment all the above //xr.parse(new InputSource(request.getInputStream())); xr.parse(new InputSource(is)) /* Parsing has finished. */; Can anyone help me at all?? Kind regards, Andy

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• OpenGL-ES Texture Atlas. t axis is inverted.

  - by Feet

  I'm mapping a texture from my texture atlas to a square on a cube. For some reason, the t axis is inverted with 0 being at the top and 1 being at the bottom. Also, I have to specify the texture coordinates in clockwise order rather than counter-clockwise. I am using counter-clockwise windings. The vertices, indices and texture coordinates I'm using are below. float vertices[] = { // Front face -width, -height, depth, // 0 width, -height, depth, // 1 width, height, depth, // 2 -width, height, depth, // 3 // Back Face width, -height, -depth, // 4 -width, -height, -depth, // 5 -width, height, -depth, // 6 width, height, -depth, // 7 // Left face -width, -height, -depth, // 8 -width, -height, depth, // 9 -width, height, depth, // 10 -width, height, -depth, // 11 // Right face width, -height, depth, // 12 width, -height, -depth, // 13 width, height, -depth, // 14 width, height, depth, // 15 // Top face -width, height, depth, // 16 width, height, depth, // 17 width, height, -depth, // 18 -width, height, -depth, // 19 // Bottom face -width, -height, -depth, // 20 width, -height, -depth, // 21 width, -height, depth, // 22 -width, -height, depth, // 23 }; short indices[] = { // Front // Back 0,1,2, 0,2,3, 4,5,6, 4,6,7, // Left // Right 8,9,10, 8,10,11, 12,13,14, 12,14,15, // Top // Bottom 16,17,18, 16,18,19, 20,21,22, 20,22,23, }; float textures[] = { // Front 0.0f, 0.0f, 0.25f, 0.0f, 0.25f, 0.25f, 0.0f, 0.25f, // Back 0.25f, 0.0f, 0.50f, 0.0f, 0.50f, 0.25f, 0.25f, 0.25f, // Left 0.50f, 0.0f, 0.75f, 0.0f, 0.75f, 0.25f, 0.50f, 0.25f, // Right 0.75f, 0.0f, 1f, 0.0f, 1f, 0.25f, 0.75f, 0.25f, // Top 0.0f, 0.25f, 0.25f, 0.25f, 0.25f, 0.50f, 0.0f, 0.50f, // Bottom 0.25f, 0.25f, 0.50f, 0.25f, 0.50f, 0.50f, 0.25f, 0.50f, };

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• Is there a more useful explanation for UITableViewStylePlain?

  - by mystify

  From the docs: In the plain style, section headers and footers float above the content if the part of a complete section is visible. A table view can have an index that appears as a bar on the right hand side of the table (for example, "a" through "z"). You can touch a particular label to jump to the target section. I find that very hard to grasp. First, this one: if the part of a complete section is visible What do they mean by this? This is paradox. Which one is it? A) Table must be exactly the height of that section. If I have 5 Rows, and each row is 50px high, I must make it 5*50 high. The full section must be visible on the screen. Otherwise, if I have 100 rows but my table view is only 400 high, this will not apply. Nothing will float above my content. Sounds wrong. B) It doesn't matter how high my table view actually is. Header and Footer is floating above the content and I can scroll the section. Makes more sense. But is completely against this nonsense making sentence: 'if the part of a complete section is visible' Can anyone explain it better than they did?

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• How to write text(using CGContextShowTextAtPoint) dynamically near graph x and y-axis intervals?

  - by Rajendra Bhole

  I developed graph using NSObject class and using CGContext method. The following code displaying dynamically in X and Y-axis intervals, CGContextSetRGBStrokeColor(ctx, 2.0, 2.0, 2.0, 1.0); CGContextSetLineWidth(ctx, 2.0); CGContextMoveToPoint(ctx, 30.0, 200.0); CGContextAddLineToPoint(ctx, 30.0, 440.0); for(float y = 400.0; y >= 200.0; y-=30) { CGContextSetRGBStrokeColor(ctx, 2.0, 2.0, 2.0, 1.0); CGContextMoveToPoint(ctx, 28, y); CGContextAddLineToPoint(ctx, 32, y); CGContextStrokePath(ctx); //CGContextClosePath(ctx); } CGContextMoveToPoint(ctx, 10, 420.0); CGContextAddLineToPoint(ctx, 320, 420.0); //CGContextAddLineToPoint(ctx, 320.0, 420.0); //CGContextStrokePath(ctx); for(float x = 60.0; x <= 260.0; x+=30) { CGContextSetRGBStrokeColor(ctx, 2.0, 2.0, 2.0, 1.0); CGContextMoveToPoint(ctx, x, 418.0); CGContextAddLineToPoint(ctx, x, 422.0); CGContextStrokePath(ctx); CGContextClosePath(ctx); } I want to write the dynamic text on the X and Y-axis lines near the intervals (like X-axis is denoting number of days per week and Y-axis denoting something per someting)? Thanks.

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• Texture2D problem

  - by Anders Karlsson

  I have a problem that is driving me crazy, I want to write a number of texts on the screen using Texture2D however I only seem to be able to write the first one. If I individually write one of the labels it works but not if I write all of them, only the first label is displayed. Let me show some code: -(void)drawText:(NSString*)theString AtX:(float)X Y:(float)Y withFont:(UIFont*)aFont { // set color glColor4f(1, 0, 0, 1.0); // Enable modes needed for drawing glEnableClientState(GL_TEXTURE_COORD_ARRAY); Texture2D* textTexture = [[Texture2D alloc] initWithString:theString dimensions:viewSize // 320x480 alignment:UITextAlignmentLeft font:aFont]; glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); [textTexture drawInRect:CGRectMake(X,Y,1,1)]; glDisableClientState(GL_TEXTURE_COORD_ARRAY); [textTexture release]; } When I call this drawText once it seems to display the text properly, but if I call it a second time nothing seems to be displayed. Somebody has an idea what it could be? The states like GL_BLEND and GL_TEXTURE_2D have been enabled in the view setup function. In the Texture2D the dimensions are 512x512 as I pass the whole screen to function. If I don't pass that the text gets enlarged and fuzzy. I am a bit uncertain about that parameter. TIA for any help.

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• TinyMCE Image Alignment

  - by will.earp.co.uk

  TinyMCE has always been a little difficult to align images. Either the align tag, or adding style="float: left;" has been it solution. Ideally I would just like to add class="left" or class="right" so that I can set the border and margins of the image. Up until now the only way to do this without using the advimage plugin was to insert the image, then select it, the select a style from the style menu. Ideally I should be able to use the align control in the image dialogue to set the alignment class or use the alignment controls on the toolbar when in the main editing window. I have just again started looking at a solution to this, now that IE6 is finally starting to die, I can use CSS attributes in selectors, so IMG[style="float: left;"] {} Works, but I would rather use a class incase there are any other style attributes which will cause the selector to fail. And it doesn't work in IE6, and you know some corporate clients will still be running the bloody thing! So I looked through the TinyMCE documentation and found the formats configuration option, that seems to allow you to specify how tinyMCE applies code for various operations. Here I can add the IMG tag as a selector, and have classes: "left" for the alignleft function. This applies the class correctly when the alignment is selected from the toolbar, but it still writes an inline style when the alignment is selected through the image dialogue. Am I doing something wrong or is there a better way of doing this that will allow my clients to select image alignment from both the image dialogue and the toolbar, whilst applying a class to the image?

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• Distance between Long Lat coord using SQLITE

  - by munchine

  I've got an sqlite db with long and lat of shops and I want to find out the closest 5 shops. So the following code works fine. if(sqlite3_prepare_v2(db, sqlStatement, -1, &compiledStatement, NULL) == SQLITE_OK) { while (sqlite3_step(compiledStatement) == SQLITE_ROW) { NSString *branchStr = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 0)]; NSNumber *fLat = [NSNumber numberWithFloat:(float)sqlite3_column_double(compiledStatement, 1)]; NSNumber *fLong = [NSNumber numberWithFloat:(float)sqlite3_column_double(compiledStatement, 2)]; NSLog(@"Address %@, Lat = %@, Long = %@", branchStr, fLat, fLong); CLLocation *location1 = [[CLLocation alloc] initWithLatitude:currentLocation.coordinate.latitude longitude:currentLocation.coordinate.longitude]; CLLocation *location2 = [[CLLocation alloc] initWithLatitude:[fLat floatValue] longitude:[fLong floatValue]]; NSLog(@"Distance i meters: %f", [location1 getDistanceFrom:location2]); [location1 release]; [location2 release]; } } I know the distance from where I am to each shop. My question is. Is it better to put the distance back into the sqlite row, I have the row when I step thru the database. How do I do that? Do I use the UPDATE statement? Does someone have a piece of code to help me. I can read the sqlite into an array and then sort the array. Do you recommend this over the above approach? Is this more efficient? Finally, if someone has a better way to get the closest 5 shops, love to hear it.

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• Getting values from DataGridView back to XDocument (using LINQ-to-XML)

  - by Pretzel

  Learning LINQ has been a lot of fun so far, but despite reading a couple books and a bunch of online resources on the topic, I still feel like a total n00b. Recently, I just learned that if my query returns an Anonymous type, the DataGridView I'm populating will be ReadOnly (because, apparently Anonymous types are ReadOnly.) Right now, I'm trying to figure out the easiest way to: Get a subset of data from an XML file into a DataGridView, Allow the user to edit said data, Stick the changed data back into the XML file. So far I have Steps 1 and 2 figured out: public class Container { public string Id { get; set; } public string Barcode { get; set; } public float Quantity { get; set; } } // For use with the Distinct() operator public class ContainerComparer : IEqualityComparer<Container> { public bool Equals(Container x, Container y) { return x.Id == y.Id; } public int GetHashCode(Container obj) { return obj.Id.GetHashCode(); } } var barcodes = (from src in xmldoc.Descendants("Container") where src.Descendants().Count() > 0 select new Container { Id = (string)src.Element("Id"), Barcode = (string)src.Element("Barcode"), Quantity = float.Parse((string)src.Element("Quantity").Attribute("value")) }).Distinct(new ContainerComparer()); dataGridView1.DataSource = barcodes.ToList(); This works great at getting the data I want from the XML into the DataGridView so that the user has a way to manipulate the values. Upon doing a Step-thru trace of my code, I'm finding that the changes to the values made in DataGridView are not bound to the XDocument object and as such, do not propagate back. How do we take care of Step 3? (getting the data back to the XML) Is it possible to Bind the XML directly to the DataGridView? Or do I have to write another LINQ statement to get the data from the DGV back to the XDocument? Suggstions?

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• How can I make TextToSpeech to speak a text with max volume and restore original volume after speak end?

  - by HelloCW

  I save the current volume both STREAM_RING and STREAM_MUSIC before sTts.get().speak(s, TextToSpeech.QUEUE_ADD, null), I hope the TextToSpeech can speak a text with max volume, but in fact I find the TextToSpeech speak the text with current volume, it seems that sTts.get().speak is asynchronous. How can I make TextToSpeech to speak a text with max volume and restore original volume after speak end? Thanks! public class SpeechTxt { private static SoftReference<TextToSpeech> sTts; public static void SpeakOut(final Context context, final String s) { final Context appContext = context.getApplicationContext(); if (sTts == null) { sTts = new SoftReference<TextToSpeech>(new TextToSpeech(appContext, new TextToSpeech.OnInitListener() { @Override public void onInit(int status) { if (status == TextToSpeech.SUCCESS) { speak(appContext, s); } else { } } })); } else { speak(appContext, s); } } private static void speak(Context context, String s) { if (sTts != null) { switch (sTts.get().setLanguage(Locale.getDefault())) { case TextToSpeech.LANG_COUNTRY_AVAILABLE: case TextToSpeech.LANG_COUNTRY_VAR_AVAILABLE: case TextToSpeech.LANG_AVAILABLE: { sTts.get().setPitch((float) 0.6); sTts.get().setSpeechRate((float) 0.8); int currentRing=PublicParFun.GetCurrentVol(context, AudioManager.STREAM_RING); int currentPlay=PublicParFun.GetCurrentVol(context, AudioManager.STREAM_MUSIC); PublicParFun.SetRingVol(context, 0); PublicParFun.SetPlayVol(context,1000000); sTts.get().speak(s, TextToSpeech.QUEUE_ADD, null); PublicParFun.SetRingVol(context, currentRing); PublicParFun.SetPlayVol(context,currentPlay); break; } case TextToSpeech.LANG_MISSING_DATA: { break; } case TextToSpeech.LANG_NOT_SUPPORTED: // not much to do here } } } public static int GetCurrentVol(Context myContext,int streamType){ AudioManager mAudioManager = (AudioManager)myContext.getSystemService(Context.AUDIO_SERVICE); int current = mAudioManager.getStreamVolume( streamType); return current; } public static void SetRingVol(Context myContext,int vol){ SetVol(myContext,AudioManager.STREAM_RING, vol); } public static void SetPlayVol(Context myContext,int vol){ SetVol(myContext,AudioManager.STREAM_MUSIC, vol); } private static void SetVol(Context myContext,int streamType,int vol){ AudioManager mAudioManager = (AudioManager)myContext.getSystemService(Context.AUDIO_SERVICE); int max = mAudioManager.getStreamMaxVolume(streamType); if (vol>max){ vol=max; } mAudioManager.setStreamVolume(streamType,vol, 0); } }

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• Databinding question: DataGridView <=> XDocument (using LINQ-to-XML)

  - by Pretzel

  Learning LINQ has been a lot of fun so far, but despite reading a couple books and a bunch of online resources on the topic, I still feel like a total n00b. Recently, I just learned that if my query returns an Anonymous type, the DataGridView I'm populating will be ReadOnly (because, apparently Anonymous types are ReadOnly.) Right now, I'm trying to figure out the easiest way to: Get a subset of data from an XML file into a DataGridView, Allow the user to edit said data, Stick the changed data back into the XML file. So far I have Steps 1 and 2 figured out: public class Container { public string Id { get; set; } public string Barcode { get; set; } public float Quantity { get; set; } } // For use with the Distinct() operator public class ContainerComparer : IEqualityComparer<Container> { public bool Equals(Container x, Container y) { return x.Id == y.Id; } public int GetHashCode(Container obj) { return obj.Id.GetHashCode(); } } var barcodes = (from src in xmldoc.Descendants("Container") where src.Descendants().Count() > 0 select new Container { Id = (string)src.Element("Id"), Barcode = (string)src.Element("Barcode"), Quantity = float.Parse((string)src.Element("Quantity").Attribute("value")) }).Distinct(new ContainerComparer()); dataGridView1.DataSource = barcodes.ToList(); This works great at getting the data I want from the XML into the DataGridView so that the user has a way to manipulate the values. Upon doing a Step-thru trace of my code, I'm finding that the changes to the values made in DataGridView are not bound to the XDocument object and as such, do not propagate back. How do we take care of Step 3? (getting the data back to the XML) Is it possible to Bind the XML directly to the DataGridView? Or do I have to write another LINQ statement to get the data from the DGV back to the XDocument? Suggstions?

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• Android: how to tell if a view is scrolling

  - by Dave

  in iPhone, this would be simple---each view has a scrollViewDidScroll method. I am trying to find the equivalent in Android. My code works, but it isn't giving me what I want. I need to execute code the entire duration that a view is scrolling. So, even though I use OnGestureListener's onScroll method, it only fires when the finger is on the screen (it's not really named correctly---it should be called "onSlide" or "onSwipe", focusing on the gesture rather than the UI animation). It does not continue to fire if the user flicks the view and it is still scrolling for a few moments after the user lifts his finger. is there a method that is called at every step of the scroll? public class Scroll extends Activity implements OnGestureListener { public WebView webview; public GestureDetector gestureScanner; public int currentYPosition; public int lastYPosition; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); webview = new WebView(this); setContentView(webview); webview.loadUrl("file:///android_asset/Scroll.html"); gestureScanner = new GestureDetector(this); currentYPosition = 0; lastYPosition = 0; } public boolean onTouchEvent(final MotionEvent me) { return gestureScanner.onTouchEvent(me); } public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // I do stuff here. return true; }

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• CSS class not being used on list item with styling

  - by scatteredbomb

  I have a list item thats styled based on the div container it's in. I want to add a "selected" class to that item, but it's not changing the styling. Firebug doesn't show it inhereting any styles from that css style. You'll see I'm adding class="columnTabSelected" to the first tab, but that's not changing anything. Here's a screenshot from Firebug to show that style isn't being added to the element. http://i49.tinypic.com/oszfqh.jpg What am i missing? My html <div id="columnNewsTabs"> <ul> <li id="recentHeadlinesLink" onclick="columnNews('recentHeadlines')" class="columnTabSelected">Recent</li> <li id="recentCommentstLink" onclick="columnNews('recentComments')">Comments</li> <li id="popularHeadlinesLink" onclick="columnNews('popularHeadlines')">Popular</li> </ul> </div> My CSS #columnNewsTabs { overflow:auto; } #columnNewsTabs ul { list-style:none; margin:0px; padding-left:0px; } #columnNewsTabs li { float:left; margin-right:2px; font-family:Tahoma; font-weight:bold; padding: 5px; border:1px solid #ccc; border-bottom:none; } #columnNewsTabs li:hover { float:left; margin-right:2px; color:black; font-family:Tahoma; font-weight:bold; padding: 5px border:1px solid #ccc; border-bottom:none; background:#ccc; } #columnTabSelected { background: #CCCCCC !important; }

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• Please Help Me with my Homework Problem in C++

  - by sil3nt

  Hey there, this is part of a question i got in class, im at the final stretch but this has become a major problem. In it im given a certain value which is called the "gold value" and it is 40.5, this value changes in input. and i have these constants const int RUBIES_PER_DIAMOND = 5; // relative values. * const int EMERALDS_PER_RUBY = 2; const int GOLDS_PER_EMERALDS = 5; const int SILVERS_PER_GOLD = 4; const int COPPERS_PER_SILVER = 5; const int DIAMOND_VALUE = 50; // gold values. * const int RUBY_VALUE = 10; const int EMERALD_VALUE = 5; const float SILVER_VALUE = 0.25; const float COPPER_VALUE = 0.05; which means that basically for every diamond there are 5 rubies, and for every ruby there are 2 emeralds. So on and so forth. and the "gold value" for every diamond for example is 50 (diamond value = 50) this is how much one diamond is worth in golds. my problem is converting 40.5 into these diamonds and ruby values. I know the answer is 4rubies and 2silvers but how do i write the algorithm for this so that it gives the best estimate for every goldvalue that comes along??

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• iPhone accelerometer:didAccelerate: seems to not get called while I am running a loop

  - by AJ

  An accelerometer related question. (Sorry the formatting may not look right, its the first time I am using this site). I got the accelerometer working as expected using the standard code UIAccelerometer *accel = [UIAccelerometer sharedAccelerometer]; accel.delegate = self; accel.updateInterval = 0.1; //I also tried other update values I use NSLog to log every time the accelerometer:didAccelerate: method in my class is called. The function gets called as expected and everything works fine till here. However, when I run a loop, the above method doesn't seem to get called. Something like this float firstAccelValue = globalAccel; //this is the x-accel value (stored in a global by the above method) float nextAccelValue = firstAccelValue; while (nextAccelValue == firstAccelValue){ //do something nextAccelValue = globalAccel; // note globalAccel is updated by the accelerometer method } The above loop never exits, expectedly since the accelerometer:didAccelerate: method is not getting called, and hence globalAccel never changes value. If I use a fixed condition to break the while loop, I can see that after the loop ends, the method calls work fine again. Am I missing something obvious here? Or does the accelerometer method not fire when certain processing is being done? Any help would be greatly appreciated! Thanks!

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• Confused over behavior of List.mapi in F#

  - by James Black

  I am building some equations in F#, and when working on my polynomial class I found some odd behavior using List.mapi Basically, each polynomial has an array, so 3*x^2 + 5*x + 6 would be [|6, 5, 3|] in the array, so, when adding polynomials, if one array is longer than the other, then I just need to append the extra elements to the result, and that is where I ran into a problem. Later I want to generalize it to not always use a float, but that will be after I get more working. So, the problem is that I expected List.mapi to return a List not individual elements, but, in order to put the lists together I had to put [] around my use of mapi, and I am curious why that is the case. This is more complicated than I expected, I thought I should be able to just tell it to make a new List starting at a certain index, but I can't find any function for that. type Polynomial() = let mutable coefficients:float [] = Array.empty member self.Coefficients with get() = coefficients static member (+) (v1:Polynomial, v2:Polynomial) = let ret = List.map2(fun c p -> c + p) (List.ofArray v1.Coefficients) (List.ofArray v2.Coefficients) let a = List.mapi(fun i x -> x) match v1.Coefficients.Length - v2.Coefficients.Length with | x when x < 0 -> ret :: [((List.ofArray v1.Coefficients) |> a)] | x when x > 0 -> ret :: [((List.ofArray v2.Coefficients) |> a)] | _ -> [ret]

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