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• How to load an ajax (jquery) request response progressively without waiting for it to finish?

  - by Sebastian

  I want to make a form that will use jquery to submit a list of keyword to a php file, this file could take a lot of time to load depending on the size of the keywords list. What I want to do is to load the php response into a div or container in real time without using iframes. All the ajax request I know have to wait until the request has finished before having access to the response, I need to get access to that response even when it hasn't finished so I can update the progress in real time.

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• sorl-thumbnail: random name in Thumbnail field

  - by xRobot

  I want to use str(uuid.uuid4()) instead of the name uploaded. I have this model: class foo(models.Model): pic = ThumbnailField(upload_to='pics', size=(200, 200)) I am uploading hello_world.jpg and I should save these named versions should be saved for example in 4ba9b397-da69-4307-9bce-e92887e84d2f.jpg. How can I do that?

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• WPF XAML ComboBox Width

  - by griegs

  I have the following xaml with all the binding removed; <StackPanel Grid.Row="2" Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Left" Height="20"> <ComboBox x:Name="ddlDay" Width="30"/> If I set the width of the combobox to 200 it works but if I set it to 50 it doesn't size past the default. I'm kinda new to xaml so is this default behavior or what do I do to make the combobox small?

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• Mix of two bit sequences

  - by Tomek Tarczynski

  Is there any clever way to mix two bit sequences in such way that bits from first sequence will be on odd places, and bits from second sequence will be on even places. Both sequences are no longer than 16b so output will fit into 32bit integer. Example: First sequence : 1 0 0 1 0 0 Second sequence : 1 1 1 0 1 1 Output : 1 1 0 1 0 1 1 0 0 1 0 1 I thought about making integer array of size 2^16 and then the output would be: arr[first] << 1 | arr[second]

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• Git/Mercurial (hg) opinion

  - by Richard

  First, let me say I'm not a professional programmer, but an engineer who had a need for it and had to learn. I was always working alone, so it was just me and my seven splitted personalities ... and we worked okey as a team :) Most of my stuff is done in C/Fortran/Matlab and so far I've been learning git to manage it all. However, although I've had no unsolvable problems with it, I've never been "that" happy with it ... for everything I cannot do, I hae to look up a book. And, for some time now I've been hearning a lot of good stuff about hg. Now, a coleague of mine will have to work with me on a project (I almost feel sorry for him) and he's started learning hg (says he likes it more), and I'm considering the switch myself. We work almost exclusivly on Windows platform (although I manage relatively ok using unix tools and things that come from that part of the world). So, I was wondering, in a described scenario, what problems could I expect with the switch. I heard that hg is rather more user friendly towards windows users, regarding the user interfaces. How does it handle repositories ? Does it create them the same way as git does (just one subdirectory in a working directory) and can I just copy the whole project directory (including git repo) and just carry them somewhere with no extra thinking ? (I really liked that when I was choosing over git/svn). Are there any good books on it that you can recommend (something like Pro Git, only for Hg). What are good ways to implement hg into Visual Studio/GVim for Windows, or into Windows Explorer so I can work relatively easily (I would like to avoid using the command line for everything regarding it, like in git shell). Is there something else I should be aware of (please, on this don't point me to other questions ... they just give me a ton of info, and I'm not sure what is it that I should take as important, and what to disregard). I'm trying to cut some time, since I cannot spend all that time relearning hg, like I did for git. I've also heard git is c project, while mercurial is python ... is there any noticeable difference in speed. git was pretty speedy ... will I encounter some waiting while working. Notice: All my projects are of let's say, middle size ... mostly numerical simulations ... 10-15000 lines (medium size?)

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• What is your favorite pastime to engage in while your project is buidling?

  - by ondesertverge

  As my average project grows in size the sum of build times throughout the day (and night) adds up to a substantial amount of time. Some of the things I or others do in this time include: Reading the news Thinking of ways to advance the project Looking at other projects Throwing darts Checking the unanswered list on stackoverflow.com Build times aren't constant making it hard to plan constructive use of them. I would like to hear of a method in use to make beneficial use of those few minutes that can add up to a few hours.

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• Need dictionary database

  - by Bragaadeesh

  Hi, I am planning to work in TRIE data structure for which I need a dictionary database or a text or word file containing the entire list of english words. It doesnt matter if the size is huge. Larger the better.

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• useing my own db info to replace parts of a url and open in a iframe

  - by Morpheus Lucid

  print ("http://maps.google.com/maps/api/staticmap?center=");echo $City;print (",");echo $City;print (","); echo $State;print ("&zoom=14&size=500x500&maptype=roadmap&markers=color:blue|label:S|"); echo $Latitude;print (",");echo $Longitude;print ("&sensor=false")"); when page is loaded it prints right but would like to take the results from this and put into a iframe so when page loads it shows the map of the entry

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• Is "long" still useful in C?

  - by dan04

  It's not the largest integer type anymore now that there's "long long". It's not a fixed-width type: It's 32 bits on some platforms and 64 on others. It's not necessarily the same size as a pointer (for example, on 64-bit Windows) So, does "long" have any meaning anymore? Is there ever a reason to declare a long instead of a ptrdiff_t or int64_t?

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• I wanna run an android emulator with disk images

  - by Kyungmin

  hi i'd like to run an android emulator with disk image. so I tried this ./emulator -kernel kernel-qemu -system system.img -ramdisk ramdisk.img -initdata userdata.img -partition-size 512 then error massage is : if you really want to NOT run an AVD, consider using '-data ' to specify a data partition image file (I hope you know what you're doing). so I found userdata-qemu.img from /out/ but i can't find that file. someone help me

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• Need to check uptime on a large file being hosted

  - by trustfundbaby

  I have a dynamically generated rss feed that is about 150M in size (don't ask) The problem is that it keeps crapping out sporadically and there is no way to monitor it without downloading the entire feed to get a 200 status. Pingdom times out on it and returns a 'down' error. So my question is, how do I check that this thing is up and running

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• What's an efficient way to tell if a bitmap is entirely black?

  - by Matthew Brindley

  I'm wondering if there's a super-efficient way of confirming that an Image object references an entirely black image, so every pixel within the bitmap is ARGB(255, 0, 0, 0). What would you recommend? Most of these bitmaps will be 1024 x 6000 pixels (although it's not safe to assume they'll always be that size).

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• DDB unknown file

  - by Ahmad Hajou

  I have a .ddb file that is used as a telephone directory for an application written in flash/VB.net (i guess). The problem is that the application is crashing and my only was to access the application is through the mysterious (*.ddb) file (99% of the application size.) The application contains an also mysterious dll (NK_SQLite.dll). So far I have tried: SQLite Browser tried opening the file in PL/SQL tried opening the file in SQL Server Any ideas about how to solve this issue,

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• Problem with Facebook API in iPad application

  - by PARTH

  Hi Guys, I am working on an iPhone application which is to be converted to iPad application. The iPhone app has a facebook and twitter API integrated and when I use the same into the iPad app then the Dialog for facebook API opens same as the size as in iPhone. So it looks very small. So Is there anything that I need to doin the code? Is there seperate API for twitter and facebook for use in iPad? Please Help and Suggest Thanks

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• Is it possible to transcode audio in C# using DirectSound?

  - by Robert Davis

  I want to transcode a lot of audio from its source format to PCM without resampling or messing with the sample size. I figure if Windows Media Player can play the file and it doesn't use a legacy ACM codecs it must be using DirectSound to do so (this is on Windows XP and Windows Server 2k3). So is it possible to access DirectSound from C# and do so? I've tried searching the web but all the examples have been about playback which I have no interest in doing.

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• Binding Source suspends itself when I don't want it to.

  - by Scott Chamberlain

  I have two data tables set up in a Master-Details configuration with a relation "Ticket_CallSegments" between them. I also have two Binding Sources and a Data Grid View configured like this (Init Code) // // dgvTickets // this.dgvTickets.AllowUserToAddRows = false; this.dgvTickets.AllowUserToDeleteRows = false; this.dgvTickets.AllowUserToResizeRows = false; this.dgvTickets.AutoGenerateColumns = false; this.dgvTickets.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize; this.dgvTickets.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { this.cREATEDATEDataGridViewTextBoxColumn, this.contactFullNameDataGridViewTextBoxColumn, this.pARTIALNOTEDataGridViewTextBoxColumn}); this.dgvTickets.DataSource = this.ticketsDataSetBindingSource; this.dgvTickets.Dock = System.Windows.Forms.DockStyle.Fill; this.dgvTickets.Location = new System.Drawing.Point(0, 0); this.dgvTickets.MultiSelect = false; this.dgvTickets.Name = "dgvTickets"; this.dgvTickets.ReadOnly = true; this.dgvTickets.RowHeadersVisible = false; this.dgvTickets.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect; this.dgvTickets.Size = new System.Drawing.Size(359, 600); this.dgvTickets.TabIndex = 0; // // ticketsDataSetBindingSource // this.ticketsDataSetBindingSource.DataMember = "Ticket"; this.ticketsDataSetBindingSource.DataSource = this.ticketsDataSet; this.ticketsDataSetBindingSource.CurrentChanged += new System.EventHandler(this.ticketsDataSetBindingSource_CurrentChanged); // // callSegementBindingSource // this.callSegementBindingSource.DataMember = "Ticket_CallSegments"; this.callSegementBindingSource.DataSource = this.ticketsDataSetBindingSource; this.callSegementBindingSource.Sort = "CreateDate"; //Function to update a rich text box. private void ticketsDataSetBindingSource_CurrentChanged(object sender, EventArgs e) { StringBuilder sb = new StringBuilder(); rtbTickets.Clear(); foreach (DataRowView drv in callSegementBindingSource) { TicketsDataSet.CallSegmentsRow row = (TicketsDataSet.CallSegmentsRow)drv.Row; sb.AppendLine("**********************************"); sb.AppendLine(String.Format("CreateDate: {1}, Created by: {0}", row.USERNAME, row.CREATEDATE)); sb.AppendLine("**********************************"); rtbTickets.SelectionFont = new Font("Arial", (float)11, FontStyle.Bold); rtbTickets.SelectedText = sb.ToString(); rtbTickets.SelectionFont = new Font("Arial", (float)11, FontStyle.Regular); rtbTickets.SelectedText = row.NOTES + "\n\n"; } } However when ticketsDataSetBindingSource_CurrentChanged gets called when I select a new row in my Data Grid View callSegementBindingSource.IsBindingSuspended is set to true and my text box does not update correctly (it seems to always pull from the same row in CallSegments). Can anyone see what I am doing wrong or tell me how to unsuspend the binding so it will pull the correct data?

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• Mobile Safari 5mb HTML5 application cache limit?

  - by JFH

  It's becoming evident in my testing that there's a 5mb size limit on Mobile Safari's implementation of HTML5's application cache. Does anyone know how to circumvent or raise this? Is there some unexposed meta tag that I should know about? I have to cache some video content for an offline app and 5mb is not going to be enough.

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• Providing updating suggestions list with javascript, php and ajax

  - by user1104854

  I'm trying to modify this example on making a live updating list to integrate it with my API. So, instead of using GET on the page with the form, I'd like to send it to that page via a function call. So, here's my form // message.php //function to display the hint sent from gethint.php function message_hint($hint){ echo $hint; } //displays the form for sending messages function send_message_form($to_user,$title,$message){ include 'gethint.php'; ?> <table> <form name = "send_message" method="post"> <td>Send A Message</td> <tr><td>To:</td><td><input type = "text" size="50" name="to_user" id = "to_user" value ="<? echo $to_user; ?>" onkeyup="showHint(this.value)"></td></tr> <tr><td>Title:</td><td><input type = "text" size="50" name="message_title"></td></tr> <tr><td>Message:</td><td><textarea rows="4" cols="50" name="message_details"></textarea></td></tr> <tr><td><input type="submit" name="submit_message"></td></tr> </table> </form> <? } Here's the head of message.php <head> <script> function showHint(str){ var to_user = document.getElementById("to_user").value //to_user is the id of the textbox if (str.length==0){ to_user.innerHTML=""; return; } if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); }else{// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function(){ if (xmlhttp.readyState==4 && xmlhttp.status==200){ alert(to_user) //properly displays the name via alert box to_user.innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","gethint.php?q="+to_user,true); xmlhttp.send(); } </script> </head> The page gethint.php is exactly the same, aside from this at the bottom. //echo $response //this was the original output $message = new messages; $message->message_hint($response);

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• Declaring an array of linked list in C#

  - by xarzu

  I got the compile error message "Array size cannot be specified in a variable declaration (try initializing with a 'new' expression)" when I tried to declare an array of linked lists. public LinkedList[2] ExistingXMLList; Also, if I wanted to create a small array of strings, isn't this the way: string [2] inputdata;

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• Calendar php problem:(

  - by Marin

  Hi everybody! Can you please help me for this problem: It shows me this error in WAMP: Notice: Undefined index: searchstring in C:\wamp\www\Reece Calendar 0.9\includes\search.php on line 180 AND THE LINE IS: <input type=\"text\" name=\"searchstring\" size='70' value='".htmlspecialchars($_POST['searchstring'])."'/> How can I modify it?Please help me!Thnx in advance=)

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• Phantomjs creating black output from SVG using page.render

  - by Neil Young

  I have been running PhantomJS 1.9.6 happily on a turnkey Linux server for about 4 months now. Its purpose is to take an SVG file and create different sizes using the page.render function. This has been doing this but since a few days ago has started to generate a black mono output. Please see below: The code: var page = require('webpage').create(), system = require('system'), address, output, ext, width, height; if ( system.args.length !== 4 ) { console.log("{ \"result\": false, \"message\": \"phantomjs.rasterize: error need address, output, extension arguments\" }"); //console.log('phantomjs.rasterize: error need address, output, extension arguments'); phantom.exit(1); } else if( system.args[3] !== "jpg" && system.args[3] !== "png"){ console.log("{ \"result\": false, \"message\": \"phantomjs.rasterize: error \"jpg\" or \"png\" only please\" }"); //console.log('phantomjs.rasterize: error "jpg" or "png" only please'); phantom.exit(1); } else { address = system.args[1]; output = system.args[2]; ext = system.args[3]; width = 1044; height = 738; page.viewportSize = { width: width, height: height }; //postcard size page.open(address, function (status) { if (status !== 'success') { console.log("{ \"result\": false, \"message\": \"phantomjs.rasterize: error loading address ["+address+"]\" }"); //console.log('phantomjs.rasterize: error loading address ['+address+'] '); phantom.exit(); } else { window.setTimeout(function () { //--> redner full size postcard page.render( output + "." + ext ); //--> redner smaller postcard page.zoomFactor = 0.5; page.clipRect = {top:0, left:0, width:width*0.5, height:height*0.5}; page.render( output + ".50." + ext); //--> redner postcard thumb page.zoomFactor = 0.25; page.clipRect = {top:0, left:0, width:width*0.25, height:height*0.25}; page.render( output + ".25." + ext); //--> exit console.log("{ \"result\": true, \"message\": \"phantomjs.rasterize: success ["+address+"]>>["+output+"."+ext+"]\" }"); //console.log('phantomjs.rasterize: success ['+address+']>>['+output+'.'+ext+']'); phantom.exit(); }, 100); } }); } Does anyone know what can be causing this? There have been no server configuration changes that I know of. Many thanks for your help.

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• Change legend text style

  - by schaechtele

  Hi there, I only wanted to know if it's possible to change the style of the font (font-size, color) of the legend text in the Google Chart API. Thanks for your answers! Greetings Sebastian

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• iPad OpenGL ES FPS too slow!

  - by pop850

  I'm currently working on an OpenGL ES 1.1 app for the iPad its running at full 768x1024 iPad resolution, with textures, polygons, and the works but only at about 30 fps! (not fast enough for my purposes) im pretty sure its not my code, because when i lowered the resolution, the FPS increased, eventually the normal 60 at iPod touch resoultion Is anyone else encountering this FPS slowdown? should I reduce the size then scale up? any guidance is much appreciated!

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• WP7 silverlight custom control using popup

  - by Miloud B.

  Hi guys, I'm creating a custom datepicker, I have a textbox, once clicked it opens a calendar within a popup. What I want to do is change the size of the popup so it shows my whole calendar, but I can't manage to change it..., I've tried using Height, Width, MinHeight, MinWidth... but it doesn't work, the popup keep showing with a fixed size. The thing is that my popup's parent property isn't evaluated since it has expression issues (according to debugger), so I'm sure my popup's parent isn't the main screen( say layout grid). How can I for example make my popup open within a specific context ? This part of my code isn't XAML, it's C# code only and it looks like: using System; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Ink; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Windows.Controls.Primitives; namespace CalendarBranch.components { public class wpDatePicker:TextBox { private CalendarPopup calendar; private Popup popup; public wpDatePicker() { this.calendar = new CalendarPopup(); this.popup = new Popup(); this.popup.Child = this.calendar; this.popup.Margin = new Thickness(0); this.MouseLeftButtonUp += new MouseButtonEventHandler(wpDatePicker_MouseLeftButtonUp); this.calendar.onDateSelect += new EventHandler(onDateSelected); this.IsReadOnly = true; } protected void wpDatePicker_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { this.popup.Height = this.calendar.Height; this.popup.Width = this.calendar.Width; this.popup.HorizontalAlignment = HorizontalAlignment.Center; this.popup.VerticalAlignment = VerticalAlignment.Center; this.popup.HorizontalOffset = 0; this.popup.VerticalOffset = 0; this.popup.MinHeight = this.calendar.Height; this.popup.MinWidth = this.calendar.Width; this.popup.IsOpen = true; } private void onDateSelected(Object sender, EventArgs ea) { this.Text = this.calendar.SelectedValue.ToShortDateString(); this.popup.IsOpen = false; } } } PS: the class Calendar is simply a UserControl that contains a grid with multiple columns, HyperLinkButtons and TextBlocks, so nothing special. Thank you in advance guys ;) Cheers Miloud B.

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• Can a memory page be moved by modifying the page table?

  - by Adam

  Is it possible (on any reasonable OS, preferably Linux) to swap the contents of two memory pages by only modifying the page table and not actually moving any data? The motivation is a dense matrix transpose. If the data were blocked by page size it would be possible to transpose the data within a page (fits in cache) then swap pages to move the blocks into their final place. A large matrix would have many many pages moved, so hopefully flushing the TLB wouldn't cause trouble.

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