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• Loading...Please wait for UIWebView - iPhone

  - by niha7229

  Hi guys, In Safari and other browsers, there is a bar that would indicate the percentage of the loading progress, and I, myself, trying to implement something similiar on iPhone, when loading some content in UIWebView, I would like the app to indicate the percentage of the page being loaded. I tried some google search and realize we could use NSURLConnection to read only the header and get the Content-Length ( but don't know how to, I read the Apple's NSURLConnection docs but probably I missed something ... ). And the size ( kb ) which UIWebView had loaded, seem like UIWebView don't support it for the public API... I hope this would be complete in some other ways than I thought, so if you have any ideas, please throw it out, thanks for your patient reading. P.S : I could just show an Activities Indicator for users with the long loading progress actions of the UIWebView but I just want to go further with the loading percentage bar :). Regards.

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• Positioning elements outside an Activity on Android

  - by Aleksander Kmetec

  Is there a way to absolutely position an UI element on Android so that it is located outside an Activity? For example: can you create a fullscreen ImageView simply by moving/resizing an ImageView inside an existing regular Activity instead of creating a new fullscreen activity? EDIT: Re-reading my question I see I wasn't very clear about what I'm trying to accomplish. I'd like to temporarily extend an element to cover the notification bar at the top of the screen. I need to create a semitranslucent fullscreen overlay but since translucent activities cannot cover the notification bar I'm trying to find out if it's possible for an element to break out of activity's bounds and resize itself to fill the whole screen, top to bottom.

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• How to solve Python memory leak when using urrlib2?

  - by b_m

  Hi, I'm trying to write a simple Python script for my mobile phone to periodically load a web page using urrlib2. In fact I don't really care about the server response, I'd only like to pass some values in the URL to the PHP. The problem is that Python for S60 uses the old 2.5.4 Python core, which seems to have a memory leak in the urrlib2 module. As I read there's seems to be such problems in every type of network communications as well. This bug have been reported here a couple of years ago, while some workarounds were posted as well. I've tried everything I could find on that page, and with the help of Google, but my phone still runs out of memory after ~70 page loads. Strangely the Garbege Collector does not seem to make any difference either, except making my script much slower. It is said that, that the newer (3.1) core solves this issue, but unfortunately I can't wait a year (or more) for the S60 port to come. here's how my script looks after adding every little trick I've found: import urrlib2, httplib, gc while(true): url = "http://something.com/foo.php?parameter=" + value f = urllib2.urlopen(url) f.read(1) f.fp._sock.recv=None # hacky avoidance f.close() del f gc.collect() Any suggestions, how to make it work forever without getting the "cannot allocate memory" error? Thanks for advance, cheers, b_m update: I've managed to connect 92 times before it ran out of memory, but It's still not good enough. update2: Tried the socket method as suggested earlier, this is the second best (wrong) solution so far: class UpdateSocketThread(threading.Thread): def run(self): global data while 1: url = "/foo.php?parameter=%d"%data s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect(('something.com', 80)) s.send('GET '+url+' HTTP/1.0\r\n\r\n') s.close() sleep(1) I tried the little tricks, from above too. The thread closes after ~50 uploads (the phone has 50MB of memory left, obviously the Python shell has not.) UPDATE: I think I'm getting closer to the solution! I tried sending multiple data without closing and reopening the socket. This may be the key since this method will only leave one open file descriptor. The problem is: import socket s=socket.socket(socket.AF_INET, socket.SOCK_STREAM) socket.connect(("something.com", 80)) socket.send("test") #returns 4 (sent bytes, which is cool) socket.send("test") #4 socket.send("test") #4 socket.send("GET /foo.php?parameter=bar HTTP/1.0\r\n\r\n") #returns the number of sent bytes, ok socket.send("GET /foo.php?parameter=bar HTTP/1.0\r\n\r\n") #returns 0 on the phone, error on Windows7* socket.send("GET /foo.php?parameter=bar HTTP/1.0\r\n\r\n") #returns 0 on the phone, error on Windows7* socket.send("test") #returns 0, strange... *: error message: 10053, software caused connection abort Why can't I send multiple messages??

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• Routing zend request through a default controller when controller not found.

  - by Brett Pontarelli

  Below is a function defined in my Bootstrap class. I must be missing something fundamental in the way Zend does routing and dispatching. What I am trying to accomplish is simple: For any request /foo/bar/* that is not dispatchable for any reason try /index/foo/bar/. The problem I'm having is when the FooController exists I get Action "foo" does not exist. Basically, the isDispatchable is always false. public function run() { $front = Zend_Controller_Front::getInstance(); $request = $front->getRequest(); $dispatcher = $front->getDispatcher(); //$controller = $dispatcher->getControllerClass($request); if (!$dispatcher->isDispatchable($request)) { $route = new Zend_Controller_Router_Route( ':action/*', array('controller' => 'index') ); $router = $front->getRouter(); $router->addRoute('FallBack', $route); } $front->dispatch(); }

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• Alternative to Page_Load in ASP.NET (and a good WTF story)

  - by Jason

  Woo, I have a doozy of a problem (might even be one for the Daily WTF) and I'm hoping there's a solution. (My apologies for the long post...) I have been working on a website that I inherited about a month ago. One of the parts I have been working on is fixing one of the controls (essentially a dynamic header bar) so that it displays additional information as requested by my users. As part of doing this project, I created a Site.master file so that I wouldn't have to recode the header bar into every single page. When I first started doing this, it seemingly worked very well. All the pages I had developed looked great and the bar updated as it should displaying the information as it should. Well, when I dropped the Site.master (and this control) into older site pages (ones I did not specifically develop) I noticed that it looked bad on some of them, but not all of them. When I say it looked bad, basically, the control would left-align itself to the page rather than center as it should. I spent a couple hours debugging to no avail - CSS looked correct, the HTML appeared to be okay, I didn't see anything in the Javascript (although, I did miss something as I'll point out in a second), and even the old code looked correct (to the best that it could - it's not very well written). Another coworker took a look at the site and couldn't find anything at first, either. It wasn't until I just thought to look at the rendered source code of the page (I had been working in the developer view up to this point in IE8) that it became clear what was wrong. The original developer performs searches on many of the pages. To accomplish this, he queries the database for ALL the data and then loads them into Javascript arrays within the page so he can get access to them. This in itself is a huge problem because we're talking about thousands of items, and it obviously isn't scalable (and, yes, the site is slow). However, it finally clicked what was screwing up the Site.master - when he loads the data into the Javascript arrays, he writes out the data to the HTML upon Page_Load using numerous Response.Write(string) calls. The WTF (and what was messing me up) is that he inserts the Javascript before the DOCTYPE causing IE to go into quirks mode! So, because I need to at least get this release out (I'll fix the real problem later), I was wondering: is there a way I can force this Javascript to be inserted elsewhere into the HTML—after the DOCTYPE at the very least? Right now, all the Response.Write() calls are being done in the Page_Load method. I just need them to be inserted later.

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• XSL: Get variable data without exslt:node-set

  - by Louis W

  Using native XSL lib in PHP. Is it possible to get a node value inside a variable without having to call it through exslt:node-set every time.... it long and ugly. <xsl:variable name="mydata"> <foo>1</foo> <bar>2</bar> </xsl:variable> <!-- How currently being done --> <xsl:value-of select="exslt:node-set($mydata)/foo" /> <!-- I want to be able to do this --> <xsl:value-of select="$mydata/foo" />

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• Solr dataimport skips entities in my data-config.xml

  - by lerhaupt

  My data-config.xml defines 3 different entities under the document tag (lets call them foo, bar and baz). When I issue a basic full import localhost:8983/solr/dataimport?command=full-import, only 2 of the 3 entities get indexed (foo and bar are in my index but baz never makes it). However, if I then issue a command to just import baz via localhost:8983/solr/dataimport?command=full-import&entity=baz&clean=false it adds baz documents just fine and the index then has all 3 types. Does anyone have any thoughts on why one entity gets skipped in the general data import but then still works okay if I specifically call it out? Is there an error/warning log I can check? Nothing bad shows up in /solr/logs/ but those just appear to be request logs.

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• X11: How do I REALLY grab the mouse pointer?

  - by Drew Hall

  I've implemented a horizontal splitter widget in Xlib. I'm trying to grab the mouse when the user clicks & drags on the splitter bar (so that the user can dynamically move the split & thus resize the windows on either side of the splitter bar). I've used XGrabPointer() after receiving a left click, in hopes that all future mouse motion (dragging) will be diverted to the splitter window until the left button is released. Unfortuntately, it doesn't seem to work like that. If the user drags too quickly and the mouse pointer enters one of the windows on either side of the split, the MotionEvent messages are diverted to that (child) window rather than the splitter window. What have I done wrong? My XGrabPointer() call is as follows: ::XGrabPointer(mDisplay, window, True, ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask | EnterWindowMask | LeaveWindowMask, GrabModeAsync, GrabModeAsync, RootWindow(mDisplay, DefaultScreen(mDisplay)), None, CurrentTime);

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• Sort a set of multidimensional arrays by array elements

  - by Joseph Carrington

  Let's say I've started here: $arr[0] = array('a' => 'a', 'int' => 10); $arr[1] = array('a' => 'foo', 'int' => 5); $arr[1] = array('a' => 'bar', 'int' => 12); And I want to get here: $arr[0] = array('a' => 'foo', 'int' => 5); $arr[1] = array('a' => 'a', 'int' => 10); $arr[1] = array('a' => 'bar', 'int' => 12); How can I sort the elements in an array by those elements elements? Multidimensional arrays always feel like a little bit more than my brain can handle (-_-) (until I figure them out and they seem super easy)

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• mod_rewrite in conjunction with "options indexes"

  - by Travis

  I have a directory ("files") where sub-directories and files are going to be created and stored over time. The directories also need to deliver a directory listing, using "options indexes", but only if a user is authenticated, and authorized. I have that part built, and working, by doing the following: <Directory /var/www/html/files> Options Indexes IndexOptions FancyIndexing SuppressHTMLPreamble HeaderName /includes/autoindex/auth.php </Directory> Now I need to take care of file delivery. To force authentication for files, I have built the following: RewriteCond %{REQUEST_URI} -f RewriteRule /files/(.*) /auth.php I also tried: RewriteCond %{REQUEST_URI} !-d RewriteRule /files/(.*) /auth.php Both directives are redirecting to auth.php when I request: foo.com/files/bar/ foo.com/files/bar/baz I am outputting the SERVER global on auth.php during testing and it is showing the requests as I made them (I thought Apache may have been doing something behind the scenes by adding something like "index.html" to the end with "Options Indexes" being on). Ideas?

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• AJAX response inside jqplot not working

  - by JuanGesino

  I'm trying to render data from an AJAX response as a bar chart with jqplot. To render this bar chart I use two variables: s1 which contains the numbers ex: s1 = [22,67,32,89] ticks which contains the name corresponding to a number inside s1 ex: ticks = ["Jack", "Mary", "Paul", "John"] So my AJAX returns two variables, data1 and data2. When I console.log(data1) I get 22,67,32,89 When I console.log(data2) I get "Jack", "Mary", "Paul", "John" I then add the square brackets and change variable: s1 = [data1] ticks = [data2] When I console.log(s1) I get ["22,67,32,89"] When I console.log(ticks) I get "Jack", "Mary", "Paul", "John" And the graph does not render, this is my code: s1 = [data]; ticks = [data]; plot4 = $.jqplot('chartdiv4', [s1], { animate: !$.jqplot.use_excanvas, series:[{color:'#5FAB78'}], seriesDefaults:{ renderer:$.jqplot.BarRenderer, pointLabels: { show: true } }, axes: { xaxis: { renderer: $.jqplot.CategoryAxisRenderer, ticks: ticks }, yaxis:{min:0, max:100, label:'%',labelRenderer: $.jqplot.CanvasAxisLabelRenderer} }, highlighter: { show: false } }); });

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• Mapping a drop-down menu over an image

  - by Pieter

  I have a menu bar that is rotated slightly. Here are two buttons as an example: As a result, I can't use regular HTML to handle this. I need to use a <map> to put hyperlinks over the menu parts. (Or am I missing a killer CSS feature I don't know about?) I want to map drop-down menus to these buttons. This looks like a nice way to implement drop-down menus: http://javascript-array.com/scripts/simple_drop_down_menu/ However, this does not work on <map>s, I believe. Or am I wrong? Is there a different approach I can take to constructing drop-down menus for a menu bar that is not aligned horizontally?

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• webOS style view switching on iPhone app

  - by Taylor Satula

  Hello, I have been working with a iPhone app that I would like to have switch views like the Palm Pre does for multitasking. I know the usual way of switching views by using the black bar at the bottom of the app but the app I am working on does not lend itself to having a big black bar in the way (see attached picture #1). I guess my question is, how do I shrink the current view (Current Location window) and show other views on the sides? (see attached picture #2) Then be able to swipe left and right to view other views. I have no idea how to do this and would be eternally grateful if someone could help me out with this. http://www.threepixeldrift.com/images/deep-storage/webOScardapp1.jpg http://www.threepixeldrift.com/images/deep-storage/webOScardapp2.jpg

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• External class-calling

  - by anonymous

  Hi guys i have a bit of a problem with a few classes, and i would be very grateful if someone can help me out. So i have: Already compiled executable (for whom i don't have the source) A class in that program that i want to call The program doesn't have export for the class, and that's my problem i don't have definition for this class, so is there a way to get a callback to this class? Example: In the compiled executable: foo::bar (example) { printf(example); } My app: CALLBACK(foo::bar, "this text must be passed as argument") Or in other words i want to call a class in other executable (without having its source) and pass arguments to its function.

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• Rails Full Engine using a Full Engine

  - by SirLenz0rlot

  I've got this full rails engine Foo with functionality X. I want to make another engine, engine Bar, that is pretty much the same, but override funcitonality x with y. (it basically does the same, but a few controller actions and views are differently implemented). (I might split this later in several mountable engines, but for now, this will be the setup: project Baz, using engine Bar, which uses engine Foo) I would like to know if there are any pitfalls. It doesn't seem like a pattern that is often used? Anybody else using this 'some sort of engine inheritance'?

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• R ggplot barplot; Fill based on two separate variables

  - by user1476968

  A picture says more than a thousand words. As you can see, my fill is based on the variable variable. Within each bar there is however multiple data entities (black borders) since the discrete variable complexity make them unique. What I am trying to find is something that makes each section of the bar more distinguishable than the current look. Preferable would be if it was something like shading. Here's an example (not the same dataset, since the original was imported): dat <- read.table(text = "Complexity Method Sens Spec MMC 1 L Alpha 50 20 10 2 M Alpha 40 30 80 3 H Alpha 10 10 5 4 L Beta 70 50 60 5 M Beta 49 10 80 6 H Beta 90 17 48 7 L Gamma 19 5 93 8 M Gamma 18 39 4 9 H Gamma 10 84 74", sep = "", header=T) library(ggplot2) library(reshape) short.m <- melt(dat) ggplot(short.m, aes(x=Method, y= value/100 , fill=variable)) + geom_bar(stat="identity",position="dodge", colour="black") + coord_flip()

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• Chrome Extension Manifest 'Matches'

  - by Aristotle

  I'm trying my hands at a simple Chrome Extension, but am running into a problem with providing a value for the matches array in my content_scripts. { "name": "My Extension", "version": "1.0", "description": "My Extension Experiment", "browser_action": { "default_icon": "icon.png", "default_title": "Ext", "default_popup": "popup.html" }, "content_scripts": { "matches": ["http://*"], "js": ["scripts.js"] } } When I try to load this extension into Chrome, I get the following message: Could not load extension from 'C:\Users\foo\Desktop\Extensions\bar'.Invalid value for 'content_scripts'. I cannot see what is "invalid" about my value though. What I'm trying to do is match every URL, so my extension can manipulate the DOM (via javascript within scripts.js) of any page it is ran on. Am I missing something, going about this all wrong, or what? update After posting this question, I did notice that the Google example was slightly different than mine, so I modified my code a bit to reflect their syntax: "content_scripts": [{ "matches": ["http://*"], "js": ["scripts.js"] }] That being said, I still get the following error when trying to load my extension: Could not load extension from 'C:\Users\foo\Desktop\Extensions\bar'. Invalid value for 'content_scripts[0].matches[0]'.

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• Ant: make "available" throw an understandable error?

  - by digitala

  When running ant, how do I make an <available /> block throw an adequate error message? This is what I have so far: <target name="requirements"> <available classname="foo.bar.baz" property="baz.present" /> </target> <target name="directories" depends="requirements" if="baz.present"> <mkdir dir="build" /> </target> <target name="compile" depends="directories"> <!-- build some stuff --> </target> What I'm currently seeing when requirements fails is a message complaining about the ./build dir not being available. How can I change this so that a message is displayed about the missing class, such as "foo.bar.baz is not available"?

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• What is the scope of require_once in PHP?

  - by TMG

  Simple question: Is the scope of require_once global? For example: <?PHP require_once('baz.php'); // do some stuff foo ($bar); function foo($bar) { require_once('baz.php'); // do different stuff } ?> When foo is called, does it re-parse baz.php? Or does it rely on the already required file from the main php file (analagous to calling require_once twice consecutively for the same include file)? I saw this thread before, but it didn't quite answer the question: http://stackoverflow.com/questions/1669707/should-require-once-some-file-php-appear-anywhere-but-the-top-of-the-file Thanks for your help!

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• Is there a difference between Perl's shift versus assignment from @_ for subroutine parameters?

  - by cowgod

  Let us ignore for a moment Damian Conway's best practice of no more than three positional parameters for any given subroutine. Is there any difference between the two examples below in regards to performance or functionality? Using shift: sub do_something_fantastical { my $foo = shift; my $bar = shift; my $baz = shift; my $qux = shift; my $quux = shift; my $corge = shift; } Using @_: sub do_something_fantastical { my ($foo, $bar, $baz, $qux, $quux, $corge) = @_; } Provided that both examples are the same in terms of performance and functionality, what do people think about one format over the other? Obviously the example using @_ is fewer lines of code, but isn't it more legible to use shift as shown in the other example? Opinions with good reasoning are welcome.

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• Generating an array of functions?

  - by Wordpressor

  I have a few PHP files filled with multiple functions. Let's call them functions1.php, functions2.php, functions3.php: function function_something( $atts ) { extract( something_atts( array( 'foo' => 'bar', 'bar' => 'foo, ), $atts ) ); return 'something'; } I'm loading these files within all_functions.php like this: require_once('functions1.php'); require_once('functions2.php'); require_once('functions3.php'); I'm wondering if it's possible to create an array of all these functions and their attributes? I'm thinking about something like: function my_functions() { require_once('functions1.php'); require_once('functions2.php'); require_once('functions3.php'); } And then some foreach loop, but I'm not sure how should it look like after all. I know this probably looks tricky, but I'm just curious if I'm able to list all my WordPress shortcodes without PHP's Reflection API :)

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• Win32 Window Menu is appearing along left side instead of across top of window

  - by Khat

  I think I may be using a wrong window style or something or maybe just adding the menu to the window incorrectly. I'll post a link to an image here so you can see what I mean about the menu not diplaying correctly: http://img707.imageshack.us/img707/4828/wtfmenu.jpg And here's a link to the code that creates the menu and the window: http://pastebin.com/CBrSVXUD I'm sure I'm missing something simple and dumb in the labyrinth of styles, settings and etc that are part and parcel for the Win32 API. Has anyone seen this before and know what I'm doing wrong? I just want a 'normal' menu bar along the top, snug against the title bar. Thanks in advance for any advice.

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• How does the "Remember my password" checkbox work?

  - by Veera

  There are numerous login forms with the little check box "Remember my password" so that the next time you visit the website, the browser automatically fills up the password field for you. But I have noticed a behavior in modern browsers, such as Chrome/Firefox, which shows up a notification bar to save the user name/passoword even though that particular web page does not have any "remember password" check box. so my questions are: If I have to put the "remember password" check box in a login form, what do I have to do when the user checks it? I mean, do I have to store the password in browser cookies (or Local Storage)? If so, should the password be encrypted or plain text? The "Save password" notification bar is a browser's functionality or is there any way to invoke it from the web page?

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• Menubar + Commandbar on WM 5.0 and WM 6.5.3

  - by heller.rublog

  I'm developing a Windows Mobile application, and I faced a problem with CCommandBar that combines toolbar and menubar. Well, I mean the following: m_wndCommandBar.InsertMenuBar(IDR_MAINFRAME); m_wndCommandBar.LoadToolBar(IDR_MAINFRAME); I have only one root menu option in my command bar and some buttons in toolbar. It works perfectly on Windows Mobile till version 6.5.3, but on WM 6.5.3 all toolbar buttons have the same dimensions as the menu item: screen. Is it possible to force WM 6.5.3 to draw command bar the same way as WM 5.0 did? Of cource I can use only toolbar and throw away my menubar, but I want to save the old UI. P.S. I'm sorry for my English mistakes. I was always failing at school :-(

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• How to share a variable between two classes?

  - by Altefquatre

  How would you share the same object between two other objects? For instance, I'd like something in that flavor: class A { private string foo_; // It could be any other class/struct too (Vector3, Matrix...) public A (string shared) { this.foo_ = shared; } public void Bar() { this.foo_ = "changed"; } } ... // inside main string str = "test"; A a = new A(str); Console.WriteLine(str); // "test" a.Bar(); Console.WriteLine(str); // I get "test" instead of "changed"... :( I read there is some ref/out stuff, but I couldn't get what I'm asking here. I could only apply some changes in the methods scope where I was using ref/out arguments... I also read we could use pointers, but is there no other way to do it?

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