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• jQuery pagination go to page on input value change

  - by JV10

  I'm creating some pagination for my website, and want to use an input-element to navigate between pages. Like the following example: The input would require the "return" key to be hit for the script to trigger. If the value entered is not within range and alert would trigger. e.g. If there was 32 pages, "Please enter a value between 1 and 32" Can this be done using jQuery or javascript, by detecting the value change within the range of pages and redirecting to that page? I'm trying to create the same device on Getty Images: http://www.gettyimages.com.au/Search/Search.aspx?contractUrl=2&language=en-US&family=creative&p=ball&assetType=image&clarification=ball%3A60847

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• C++ - Print Out Objects From Set

  - by John Smith

  If I have a C++ set, declaration set personList; with iterator, set::const_iterator location; how can I print out the contents of the set? They are all person objects, and I have overridden the operator<< for Person. The line that errors is: cout << location and it's in a basic for loop. Netbeans gives the following error: proj.cpp:78: error: no match for ‘operator<<’ in ‘std::cout << location’ so it looks like it wants an override for the iterator's <<. Basically, I am taking objects that used to be stored in an array format, but are now in a set. What is the equivalent to cout << array[i] for sets?

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• I love programming but i also want to learn hardware. [closed]

  - by user167082

  I like programming so much, i did it since i was 10, and i believe that studying computer science will make a lot of money as well as i love it. However I also want to learn hardware. I don't only want to do programming all the time without knowing the architecture of device that i program. I asked my teacher, and she said that if I get into computer science, i won't learn anything about hardware, is it true?(She graduated from u-dub) In the other hand, my math teacher told me to get into electrical engineering, since it also contain programming. The thing is that i want to emphasize my study to programming while learning some about hardware. What is major that suits me the best? Can i take some hardware courses if I get into computer science major? Thanks a lot.

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• how to use a non standard tld with android

  - by CommentLuv

  I have rooted my android and am able to edit the hosts file to redirect .com and other standard tld's to my local server with no problems. non standard tld's do not work though. eg. my shop orders system is at http://fired.wok which works find on local machines when added to my windows and linux hosts files but is not resolvable from within my android device. I can use firedwok.co.uk) in the hosts file to point to my local machine but I'd much rather have fired.wok to work so I can use an android tablet to enter orders and deliveries. so, how to make android work with a tld like .wok ?

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• .htaccess wildcard problem

  - by niggles

  I've come across a problem with an .htaccess rule I can't sort out. It works on my MAMP stack and it works on 3 other servers, but it won't work on a particular server and keeps giving me a "500 error with an additional 302 error". It's the wildcard that's throwing it and from Google research it says it may be because of an infinite loop, but it works on other servers just fine. The site in question is being developed in a sub-directory, but then again, so have the other sites: RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^$ public/ [L] RewriteRule (.*) public/$1 [L] /public has it's own .htaccess file that is: RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?url=$1 [PT,L] Any suggestions as mod_rewrite's not my specialty and I can't seem to fix this.2

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• Linq to SQL - How to compare against a collection in the where clause?

  - by Sgraffite

  I'd like to compare against an IEnumerable collection in my where clause. Do I need to manually loop through the collection to pull out the column I want to compare against, or is there a generic way to handle this? I want something like this: public IEnumerable<Cookie> GetCookiesForUsers(IEnumerable<User> Users) { var cookies = from c in db.Cookies join uc in db.UserCookies on c.CookieID equals uc.CookieID join u in db.Users on uc.UserID equals u.UserID where u.UserID.Equals(Users.UserID) select c; return cookies.ToList(); } I'm used to using the lambda Linq to SQL syntax, but I decided to try the SQLesque syntax since I was using joins this time. What is a good way to do this?

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• Need new method for linking to native mapping from mobile web app

  - by Carter

  My mobile web apps use a map button which automatically starts the mapping features of Android and iPhone by simply linking to http://maps.google.com/maps?q=New+York. iOs 6 comes out, the links stop working, because Apple wants us to use "maps.APPLE.com". Turns out ANYTHING you send to "maps.apple.com" gets forwarded to "maps.google.com". So now I have to specially detect iOs 6 and swap out links just so Apple can forward everything back to Google anyway. Is there a clean way to open the device/native mapping app from a mobile web app that works on Android, iOs 6, and iOs pre-6, since iOs 6 nerfed it? Recently updated documentation on Apple dev site... http://developer.apple.com/library/ios/#featuredarticles/iPhoneURLScheme_Reference/Articles/MapLinks.html#//apple_ref/doc/uid/TP40007894-SW1 Both these links go to the same place http://maps.google.com/maps?q=New+York http://maps.apple.com/maps?q=New+York

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• problme with javascript map/object

  - by akshay

  I am using javascript map to store keys and values.Later on I check if specified key is present in map or not, but it sometimes gives correct result but sometimes it dont.I tried to print the map using console.log(mapname), it shows all keys, but i i try to check if some specified key is presnt sometimes it gives wrong answer. Am using following code: //following code is called n times in loop with different/same vales of x myMap : new Object(); var key = x ; //populated dynamically actually myMap[key] ="dummyval"; if(myIdMap[document.getElementById("abc").value.trim()]!=null) alert('present' ); else alert('not present'); What can be the possible problem?

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• while(0=0) evaluates to false

  - by paque

  b=10; while(a=b) { b--; if(b==-10)break; } B goes from 10 to -10. In my world, the while-statement, a=b, should always be true (since the assigment always "goes well"). That is not the case. When the loop stops, b will have a value of 0. In my world, it should pass 0 and go all the way to -10, when the if-statement kicks in. Have I misunderstood something major? (Code tested in IE8 and Adobe Acrobat)

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• How to define a custom iterator in C++

  - by Robert Martin

  I've seen a number of posts on SO about how to define custom iterators, but nothing that seems to exactly answers my question, which is... How do I create an iterator that hides a nested for loop? For instance, I have a class Foo, inside of the Foo is a Bar, and inside of the Bar is a string. I could write for (const Foo& foo : foo_set) for (const Bar& bar : foo.bar_set) if (bar.my_string != "baz") cout << bar.my_string << endl; but instead I want to be able to do something like: for (const string& good : foo_set) cout << good << endl; How do I do something like this?

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• Python Threading, loading one thread after another

  - by Michael

  Hi, I'm working on a media player and am able to load in a single .wav and play it. As seen in the code below. foo = wx.FileDialog(self, message="Open a .wav file...", defaultDir=os.getcwd(), defaultFile="", style=wx.FD_MULTIPLE) foo.ShowModal() queue = foo.GetPaths() self.playing_thread = threading.Thread(target=self.playFile, args=(queue[0], 'msg')) self.playing_thread.start() But the problem is, when I try to make the above code into a loop for multiple .wav files. Such that while playing_thread.isActive == True, create and .start() the thread. Then if .isActive == False, pop queue[0] and load the next .wav file. Problem is, my UI will lock up and I'll have to terminate the program. Any ideas would be appreciated.

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• How to transfer SQLite db to web server on android phone (android)

  - by Aditya Mehta

  Hello, I have "BackUpContacts.db" database in SQLiteDatabase, it has a table named "ContactInfo" with column names ContactId, ContactName, MobilePhone1, MobilePhone2, OfficePhone1, OfficePhone2, OfficePhone3, HomePhone1, HomePhone2 and TokenId. What i want is to transfer all data of "ContactInfo" table to the mysql database system at some server (means server has also a table similar to "ContactInfo", where all data of "ContactInfo" will be copied). The last important thing which i want is that, whenever i want to get contacts(of a specified TokenId) i can backup all those from server to the mobile device in an xml file. in short, can here anyone help me how to transfer sqlite db to a web server?

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• How to integrate Python scripting in my Android App (like SL4A)

  - by Seraphim's host

  I need to add scripting layer to my android App. So I can remotely prepare a script that my app download form a web service and execute on the user device. I found a interesting project called Scripting Layer for Android (SL4A) here: http://code.google.com/p/android-scripting/ I'm not sure I can execute Python script without installing the PythonForAndroid_r4.apk first. I can't force my customer to install that application! So my question is, can the SL4A layer be integrated in my app without the need to install other apk? I need to execute actions like update data in the DB, create/read/delete a file on the sd card... Not so complex but I see SL4A can do a lot of things like these. Other scripting libraries? EDIT: Found also MVEL: http://mvel.codehaus.org/ but I think it needs to be integrated to execute complex operations like accessing a DB...

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• Possible to access all Movie clips on a layer, on timeline, through stage ?

  - by azislo

  I have a code ... var selection:Array = new Array(); var diplayObjCont:* = stage; // The rectangle that defines the selection in the containers coordinate space. // Loop throught the containers children. for(var a:int; a<diplayObjCont.numChildren; a++){ // Get the childs bounds in the containers coordinate space. var child:DisplayObject = diplayObjCont.getChildAt(a); selection.push(child); } trace(selection); that returns just [object MainTimeline] So, can I access layers on this MainTimeline to get all Movie Clips on this layer ? So I can do a simple operation "A_1_2.buttonMode = true;" to all my MC's (in an array for example) without writing every line (lot of MC's on layer and lot of lines).

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• Best practice to avoid InvalidOperationException: Collection was modified?

  - by Roflcoptr

  Very often I need something like that: foreach (Line line in lines) { if (line.FullfilsCertainConditions()) { lines.Remove(line) } } This does not work, because I always get a InvalidOperationException because the Enumerator was changed during the loop. So I changed all my loops of this kind to the following: List<Line> remove = new List<Line>(); foreach (Line line in lines) { if (line.FullfilsCertainConditions()) { remove.Add(line) } } foreach (Line line in remove) { { lines.Remove(line); } I'm not sure if this is really the best way since in the worst case I have to iterate 2 times over the original list and so it needs time 2n instead of n. Is there a better way to do this?

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• Adding an integer onto an array

  - by Ohmnastrum

  I'm trying to add random numbers onto the end of this array when ever I call this function. I've narrowed it down to just this so far. when ever I check to see if anything is in the array it says 0. So now i'm quite stumped. I'm thinking that MutableArray releases the contents of it before I ever get to use them. problem is I don't know what to use. A button calls the function and pretty much everything else is taken care of its just this portion inside the function. NSMutableArray * choices; -(void) doSomething { int r = arc4random() % 4; //The problem... [choices addObject:[NSNumber numberWithInt:r]]; int anInt = [[choices objectAtIndex:1] integerValue]; NSLog(@"%d", anInt); //I'm getting nothing no matter what I do. //some type of loop that goes through the array and displays each element //after it gets added }

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• optimize a string.Format + replace.

  - by acidzombie24

  I have this function. The visual studio profile marked the line with string.Format as hot and were i spend much of my time. How can i write this loop more efficiently? public string EscapeNoPredicate(string sz) { var s = new StringBuilder(sz); s.Replace(sepStr, sepStr + sepStr); foreach (char v in IllegalChars) { string s2 = string.Format("{0}{1:X2}", seperator, (Int16)v); s.Replace(v.ToString(), s2); } return s.ToString(); }

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• How i installing iphone application in iphone using window operating system?

  - by Rajendra Bhole

  Hi,My process have done on before, 1) I developing an application for apple iphone an generating .app file using Ad-Hoc build. 2) My iphone os is 3.1.2 and i developing .ipa file simply drag-and-drop my .app file into iTunes on apple leopard 10.5.8 version. 3) After that this .ipa file again drag-and-drop in windowsXP iTunes. 4) Then sync iphone to iTunes of windowsXP and that .ipa file from iTunes(WindowsXP) in my iphone having version 3.1.2 . The above process i have done, it will fine worked on 3.1.2 but it not working and installing on iphone device 3.1.3 version. How i troubleshoot the above problem.

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• Change UIView alpha value

  - by Ask

  I'm trying to create an UIView and change its alpha property to simulate backlight change. Here is my code if (TransparentView == nil) { TransparentView = [[UIView alloc] initWithFrame:self.view.bounds]; TransparentView.backgroundColor = [UIColor whiteColor]; self.view = TransparentView; } start=start+appDelegate.OnOffTime; TransparentView.alpha = 0.2; float step = 1.0 / ( appDelegate.OnOffTime * 100); for (float f = 0; f < 1; f=f+step) { TransparentView.alpha = (CGFloat)(1 - f); [NSThread sleepForTimeInterval:0.01]; } Both TransparentView.alpha = 0.2 and TransparentView.alpha = (CGFloat)(1 - f) do change TransparentView.alpha, but only TransparentView.alpha = 0.2 changes real device "brightness'. What am I doing wrong?

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• Sorting 2 arrays that have been added together

  - by tyler

  In my app, users can create galleries that their work may or may not be in. Users have and belong to many Galleries, and each gallery has a 'creator' that is designated by the gallery's user_id field. So to get the 5 latest galleries a user is in, I can do something like: included_in = @user.galleries.order('created_at DESC').uniq.first(5) # SELECT DISTINCT "galleries".* FROM "galleries" INNER JOIN "galleries_users" ON "galleries"."id" = "galleries_users"."gallery_id" WHERE "galleries_users"."user_id" = 10 ORDER BY created_at DESC LIMIT 5 and to get the 5 latest galleries they've created, I can do: created = Gallery.where(user_id: id).order('created_at DESC').uniq.first(5) # SELECT DISTINCT "galleries".* FROM "galleries" WHERE "galleries"."user_id" = 10 ORDER BY created_at DESC LIMIT 5 I want to display these two together, so that it's the 5 latest galleries that they've created OR they're in. Something like the equivalent of: (included_in + created).order('created_at DESC').uniq.first(5) Does anyone know how to construct an efficient query or post-query loop that does this?

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• How do I prevent race condition WITHOUT using locks in C++?

  - by Hristo

  How do I prevent a race condition WITHOUT locking or using mutexes/semaphors in C++? I'm dealing with a nested for loop in which I will be setting a value in an array: for (int i = 0; i < m; ++i) for (int j = 0; j < n; ++j) for (int k = 0; k < o; ++k) array[k] += foo(...); More or less, I want to deal with this so that I can ensure different threads running at the same time don't write to array[k] at the same time. Any suggestions on how to approach this? Edit: I am running on a Linux machine and I also have to use the Intel compiler. I will be using "icc" instead of "gcc" to compile the code.

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• Adding Values to a Byte Array

  - by rross

  I'm starting with the two values below: finalString = "38,05,e1,5f,aa,5f,aa,d0"; string[] holder = finalString.Split(','); I'm looping thru holder like so: foreach (string item in holder) { //concatenate 0x and add the value to a byte array } On each iteration I would like to concatenate a 0x to make it a hex value and add it to a byte array. This is what I want the byte array to be like when I finish the loop: byte[] c = new byte[]{0x38,0x05,0xe1,0x5f,0xaa,0x5f,0xaa,0xd0}; So far all my attempts have not been successful. Can someone point me in the right direction?

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• why my application sometimes got error in early launch?

  - by Hendra

  I have some problem. sometimes when I just try to run my application, it is going to be force close. I don't know why it is going to be happened. here are my source code. AlertDialog.Builder alert = new AlertDialog.Builder(this); alert.setCancelable(false); //AlertDialog.Builder alert = new AlertDialog.Builder(this); ..... alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { no_pasien = no_pas.getText().toString(); new LoginProses().execute(); ..... alert.show(); class LoginProses extends AsyncTask<String, String, String> { protected void onPreExecute() { super.onPreExecute(); ...... } protected String doInBackground(String... args) { List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("no_pasien", no)); JSONObject json = jsonParser.makeHttpRequest(url_login, "POST", params); try { int success = json.getInt(TAG_SUCCESS); if (success == 1) { // successfully created product pasien = json.getJSONArray("pasien"); JSONObject c = pasien.getJSONObject(0); int id = c.getInt("id"); new Temporary().setIdPasien(id); Intent goMainAct = new Intent(); // goMainAct.putExtra("id", id); goMainAct.setClass(Login.this, MainActivity.class); finish(); startActivity(goMainAct); } else { // failed to create product Intent getReload = getIntent(); getReload.putExtra("status", 1); finish(); startActivity(getReload); } } catch (JSONException e) { if(pDialog.isShowing()){ pDialog.dismiss(); } } return null; } protected void onPostExecute(String file_url) { // dismiss the dialog once done pDialog.dismiss(); } } here is the log error for my problem: //HERE IS THE LOG: 06-25 22:57:23.836: E/WindowManager(7630): Activity com.iteadstudio.Login has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41939850 that was originally added here 06-25 22:57:23.836: E/WindowManager(7630): android.view.WindowLeaked: Activity com.iteadstudio.Login has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41939850 that was originally added here 06-25 22:57:23.836: E/WindowManager(7630): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:344) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.Window$LocalWindowManager.addView(Window.java:537) 06-25 22:57:23.836: E/WindowManager(7630): at android.app.Dialog.show(Dialog.java:278) 06-25 22:57:23.836: E/WindowManager(7630): at com.iteadstudio.Login$LoginProses.onPreExecute(Login.java:122) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:561) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.AsyncTask.execute(AsyncTask.java:511) 06-25 22:57:23.836: E/WindowManager(7630): at com.iteadstudio.Login$3.onClick(Login.java:95) 06-25 22:57:23.836: E/WindowManager(7630): at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.Handler.dispatchMessage(Handler.java:99) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.Looper.loop(Looper.java:137) 06-25 22:57:23.836: E/WindowManager(7630): at android.app.ActivityThread.main(ActivityThread.java:4441) 06-25 22:57:23.836: E/WindowManager(7630): at java.lang.reflect.Method.invokeNative(Native Method) 06-25 22:57:23.836: E/WindowManager(7630): at java.lang.reflect.Method.invoke(Method.java:511) 06-25 22:57:23.836: E/WindowManager(7630): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:823) 06-25 22:57:23.836: E/WindowManager(7630): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:590) 06-25 22:57:23.836: E/WindowManager(7630): at dalvik.system.NativeStart.main(Native Method) 06-25 22:57:23.946: D/dalvikvm(7630): GC_CONCURRENT freed 782K, 6% free 14319K/15203K, paused 4ms+3ms 06-25 22:57:23.976: D/AndroidRuntime(7630): Shutting down VM 06-25 22:57:23.976: W/dalvikvm(7630): threadid=1: thread exiting with uncaught exception (group=0x40ab4210) 06-25 22:57:23.986: E/AndroidRuntime(7630): FATAL EXCEPTION: main 06-25 22:57:23.986: E/AndroidRuntime(7630): java.lang.IllegalArgumentException: View not attached to window manager 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:587) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:324) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.view.WindowManagerImpl$CompatModeWrapper.removeView(WindowManagerImpl.java:151) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.Dialog.dismissDialog(Dialog.java:321) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.Dialog$1.run(Dialog.java:119) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.Dialog.dismiss(Dialog.java:306) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.iteadstudio.Login$LoginProses.onPostExecute(Login.java:177) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.iteadstudio.Login$LoginProses.onPostExecute(Login.java:1) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.AsyncTask.finish(AsyncTask.java:602) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.AsyncTask.access$600(AsyncTask.java:156) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:615) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.Handler.dispatchMessage(Handler.java:99) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.Looper.loop(Looper.java:137) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.ActivityThread.main(ActivityThread.java:4441) 06-25 22:57:23.986: E/AndroidRuntime(7630): at java.lang.reflect.Method.invokeNative(Native Method) 06-25 22:57:23.986: E/AndroidRuntime(7630): at java.lang.reflect.Method.invoke(Method.java:511) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:823) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:590) 06-25 22:57:23.986: E/AndroidRuntime(7630): at dalvik.system.NativeStart.main(Native Method)

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• jQuery IE7 on-the-fly images

  - by Scott Evernden

  The simplified version of the problem I am seeing in IE7 can be demonstated using FireBug Lite. On a page loaded with jQuery, I open FireBug Lite (via bookmarket) and I enter the following: image = $('<img src="http://example.com/boofar.jpg" border="12" width="95" height="95" title="Booya">')[0]; and the result echoed is: <img title="Booya" contentEditable="inherit" start="fileopen" loop="1" src="http://example.com/boofar.jpg" border="12"> Where are the width and height attributes? Furthermore, image.width; and image.attributes.width.value; return 0 and "0". Seen this with both jQuery 1.2.6 as well as 1.4.2. It does the right thing in IE8 and FF. Any ideas where those attributes went? Very annoying....

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• Android RealViewSwitcher : How to start on second page?

  - by DarcCode

  i'm using RealViewSwitcher I got from this site. It works perfectly on my code, but I don't have any idea how to set the initial current screen to second or third screen. the method setCurrentScreen(int) doesn't affect anything and if I change the for loop inside the onLayout() method from for (int i = 0; i < count; i++) {...} into for (int i = 1; i < count; i++){...} It does starts in page two, but you can't go to page one. Any idea how to start on page two?

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