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问题 I'm quite new here. I have a problem with the new iOS 5.1 slide-in popover in UISplitView. (Before 5.1 the master view controller was presented in a popover, but now it simply slides in form the left.) When my device is in portrait mode and it receives a memory warning, the master view controller unloads; and when I press the toolbar button to slide in the master view, it loads again. However after the memory warning it is presented in fullscreen and not only the size of the original master

问题 I want to store as many elements as desired by the user in an array.But how do i do it??,If i were to create an array,i must do so with a fixed size. Every time a new element is added to the array and the array becomes full,i want to update its size by '1'.I tired various types of code..but.it did not work out.It would be of great help if yall could give me some solutions regarding it..in code if possible.Thank You 回答1: Instead of using an array, use an implementation of java.util.List such

问题 I have a small and simple file in *.XLS with only one sheet, on this sheet just many cells with small text on number. (file size 24Kb) But I made a lot of changes, copy and paste, extend formula, save... afterwards I deleted most of these changes and make 4 duplicates of this sheet with few data. Now my new file is VERY huge : 2.5Mb ! Where is the hidden data and how can I delete it ? I have the same problem on real file with 300 sheets and 1 picture on each sheet : file size 280Mb 回答1: I

问题 Thank you for your help in advanced. And sorry if this is a very silly question, but I cannot find it elsewhere. What I want, is basically, to determine the total amount of pages I have in my ViewPager when it is all set up, like in my code. I have tried (on a later version) adding the "size variable" to f as it's argument (see, FirstFragment). It's not a known number, as the user input's the number of forms (view's) I will create, and passes it to FirstFragment as an intent. So I have tried

问题 i have an question in CSS: How i can do that: When the green div has (auto) 500px height for the content the red got the same. And when the red has (auto) 700px height for the content the green got the same. Both have any content then i use auto height. So how i can do the green has the same width as red and red too but whit different content whit "height: auto;"? 回答1: I would just wrap both DIVS, inside another div, and have them bump up on the parent DIV, then resize the parent Something

问题 Im currently using the following function to load an image, however i could not figure out a way to find the width of the loaded image, which i intend to use before placing the next image using the same function. Note that q is a a variable (a number) which is used to load differant images. =X i need help obtainning the loaded image width... function LoadImage(q) { var imageLoader:Loader = new Loader(); var image:URLRequest = new URLRequest("GalleryImages/Album1/"+q+".jpg"); imageLoader.load

问题 I have an sqlite table that contains a BLOB file, but need to do a size/length check on the blob, how do I do that? According to some documentation I did find, using length(blob) won't work, because length() only works on texts and will stop counting after the first NULL. My empirical tests have shown this to be true. I'm using SQLite 3.4.2 Updates: So as of SQLite 3.7.6 it appears as though the length() function returns the correct value of blobs - I checked various change-logs of sqlite,

问题 I know NSString has methods that determine the frame size for it, using NSString UIKit Additions, sizeWithFont...... How about the other way around? I mean if I have a fixed frame size, how do I know how many characters or words for a NSString that can fit into it? If I know this, I can cut off the NSString easily. thanks 回答1: It might not be the most elegant solution, but you could do something like this: - (NSString *)string:(NSString *)sourceString reducedToWidth:(CGFloat)width withFont:

问题 I have this markup: #widget1 { height:100px; width:200px; } <div class="widget" id="widget1"> <object data="foo.svg" type="image/svg+xml" /> </div> I managed to make the <object> element fill up the outer <div> , but the inner foo.svg file has its own ideas how big it is. I need foo.svg (which consists of an <svg> element, of course) to be the same size as <object> and <div> . 回答1: This is answered (with examples) in the svg primer. tl;dr summary: remove 'width' and 'height' attributes on the

问题 I just implemented a ListView inside a LinearLayout, but I need to define the height of the LinearLayout (it has to be 50% of the screen height). <LinearLayout android:id="@+id/widget34" android:layout_width="300px" android:layout_height="235px" android:orientation="vertical" android:layout_below="@+id/tv_scanning_for" android:layout_centerHorizontal="true"> <ListView android:id="@+id/lv_events" android:textSize="18sp" android:cacheColorHint="#00000000" android:layout_width="fill_parent"