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  • jquery: animate function problem

    - by Syom
    i start learning jquery just yesterday. i have a div element with some content, and i want to hide it by changing it's height: here is the script <script type="text/javascript"> $(document).ready(function(){ $("#hide").click(function(){ $("#cont").animate({ height: '0' },1500); $("#cont").hide(); }); }); </script> <input type="button" value="hide" id="hide"> <div id="cont"> text here... </div> but it doesn't work, becouse it automaticaly sets display:block to #cont element, so after animation it starts to show. when i try to set display:none to #cont element, it doesn't happen. could you help me? thanks

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  • Getting the fractional part of a float without using modf()

    - by knight666
    Hi, I'm developing for a platform without a math library, so I need to build my own tools. My current way of getting the fraction is to convert the float to fixed point (multiply with (float)0xFFFF, cast to int), get only the lower part (mask with 0xFFFF) and convert it back to a float again. However, the imprecision is killing me. I'm using my Frac() and InvFrac() functions to draw an anti-aliased line. Using modf I get a perfectly smooth line. With my own method pixels start jumping around due to precision loss. This is my code: const float fp_amount = (float)(0xFFFF); const float fp_amount_inv = 1.f / fp_amount; inline float Frac(float a_X) { return ((int)(a_X * fp_amount) & 0xFFFF) * fp_amount_inv; } inline float Frac(float a_X) { return (0xFFFF - (int)(a_X * fp_amount) & 0xFFFF) * fp_amount_inv; } Thanks in advance!

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  • Starting a SKProductsRequest gives -[_NSCFArray length] invalid selector error a moment later. LoadMicroPaymentsProductsOperation error.

    - by quantumpotato
    I'm fetching a list of identifiers from my server, then passing them off in a products request to Apple. Here's my code, and below is the error I'm getting. The iPhone 4 is not crashing when this happens. -(void)didReceiveData:(NSArray *)data { NSLog(@"Received Identifiers: %@",data); NSSet *productIdentifiers = [NSSet setWithArray:data]; SKProductsRequest *productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers]; productsRequest.delegate = self; [productsRequest start]; NSLog(@"productsRequest should have started by now"); } Wed Dec 29 09:42:14 iPhone XXXX-iphone[6363] <Warning>: Received Identifiers: ( ( 1, 10, "com.XXXX.XXXX.10" ) ) Wed Dec 29 09:42:14 iPhone XXXX-iphone[6363] <Warning>: productsRequest should have started by now Wed Dec 29 09:42:18 iPhone itunesstored[6367] : -[__NSCFArray length]: unrecognized selector sent to instance 0x119070 Wed Dec 29 09:42:18 iPhone itunesstored[6367] : caught -[__NSCFArray length]: unrecognized selector sent to instance 0x119070 exception with stack trace: (0x33ac0975 0x3347b49d 0x33ac2133 0x33a69aa9 0x33a69860 0x2717b 0x27515 0x31469651 0x314693ed 0x31469e39 0x3362795f 0x336276c3 0x3363c4eb 0x33c32680 0x33c32ba0 0x33bd7251 0x33bcf978)

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  • Progress Dialog on open activity

    - by GeeXor
    hey guys, i've a problem with progress dialog on opening an activity (called activity 2 in example). The activity 2 has a lot of code to execute in this OnCreate event. final ProgressDialog myProgressDialog = ProgressDialog.show(MyApp.this,getString(R.string.lstAppWait), getString(R.string.lstAppLoading), true); new Thread() { public void run() { runOnUiThread(new Runnable() { @Override public void run() { showApps(); } }); myProgressDialog.dismiss(); } }.start(); The showApps function launch activity 2. if i execute this code on my button click event on activity 1, i see the progress, but she doesn't move and afeter i have a black screen during 2 or 3 seconds the time for android to show the activity. If i execute this code in the OnCreate of Activity2 and if i replace the showApps by the code on OnCreate, Activity1 freeze 2 seconds, i don't see the progress dialog, and freeze again 2 seconds on activity 2 before seeing the result. An idea ?

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  • Autostart application of WP7

    - by sv88erik
    How is it possible to auto start my application or run a process when the user turns on the phone. If you look at ex. Outloock WP7 included in the operating system then updates the icon so that you can see that there are new mail. This is a process in the back round running. But I've read a bit about this now, but can not find out that this is possible using the SDK from microsoft? Is it not possible?? If possible, how does one do that?

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  • JQuery .each() backwards

    - by Jack Mills
    Hi, I'm using JQuery to select some elements on a page and then move them around in the DOM. The problem I'm having is I need to select all the elements in the reverse order that JQuery naturally wants to select them. For example: <ul> <li>Item 1</li> <li>Item 2</li> <li>Item 3</li> <li>Item 4</li> <li>Item 5</li> </ul> I want to select all the li items and use the .each() command on them but I want to start with Item 5, then Item 4 etc. Is this possible? Thanks

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  • How does the #! work?

    - by mocybin
    In a script you must include a #! on the first line followed by the path to the program that will execute the script (e.g.: sh, perl). As far as I know though, the # character denotes the start of a comment and that line is supposed to be ignored by the program executing the script. It would seem though, that this first line is at some point read by something in order for the script to be executed by the proper program. Could somebody please shed more light on the workings of the #! ? Edit: I'm really curious about this, so the more in-depth the answer the better.

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  • Need Regex for to match special situations

    - by Daniel
    I'm desperately searching for regular expressions that match these scenarios: 1) Match alternating chars I've a string like "This is my foobababababaf string" - and I want to match "babababa" Only thing I know is the length of the fragment to search - I don't know what chars/digits that might be - but they are alternating. I've really no clue where to start :( 2) Match combined groups In a string like "This is my foobaafoobaaaooo string" - and I want to match "aaaooo". Like in 1) I don't know what chars/digits that might be. I only know that they will appear in two groups. I experimented using (.)\1\1\1(.)\1\1\1 and things like this...

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  • creating a custom user interface in WPF

    - by CSharpInquisitor
    I have a SQL database holding a number of numeric and text values that get updated regularly. The exact number/type/names of these data points can change depending on the source of the database writes. I would like to create a user interface editor, where the user can add database points to the UI and arrange them and format them as they want. If a new point is added to the database they can right click on the UI and say "add this point" and choose from a list of database points. I'm looking for some pointers on where to start on creating this editor application, could something clever be done using XAML to dynamically create std WPF controls at runtime?

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  • 1030 Got error 28 from storage engine

    - by ScoRpion...
    I am working on a project where i need to create a database with 300 tables for each user who wants to see the demo application. it was working fine but today when i was testing with a new user to see a demo it showed me this error message 1030 Got error 28 from storage engine After spending some time googling i found it is an error that is related to space of database or temporary files. I tried to fix it but i failed. now i am not even able to start mysql. How can i fix this and i would also like to increase the size to maximum so that i won't face the same issue again and again.

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  • Need to sync two lists with atrribute time, but times aren't equal

    - by virgula24
    I gonna try to describe my problem the best i can. I have two lists, one with audio frames and other with color frames (not relevant). Both of them have timestamps, they were captured at the same moment but at different instants. So, i have like this: index COLOR AUDIO 0 841 846 1 873 897 2 905 948 3 940 1000 the frames start at high numbers because they were captured and then trimmed to specific parts, but im shot, frame 0 is synced with only 5ms apart(timestamp in ms). On every case i have, the audio frames count is less than the color count. I need to make them have the same count. The stating frames may be coloraudio, color

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  • Elegant way to search for UTF-8 files with BOM?

    - by vog
    For debugging purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script: find -type f | while read file do if [ "`head -c 3 -- "$file"`" == $'\xef\xbb\xbf' ] then echo "found BOM in: $file" fi done Or, if you prefer short, unreadable one-liners: find -type f|while read file;do [ "`head -c3 -- "$file"`" == $'\xef\xbb\xbf' ] && echo "found BOM in: $file";done It doesn't work with filenames that contain a line break, but such files are not to be expected anyway. Is there any shorter or more elegant solution? Are there any interesting text editors or macros for text editors?

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  • Use SQL to clone data in two tables that have a 1-1 relationship in each table

    - by AmoebaMan17
    Using MS SQL 2005, Table 1 ID | T1Value | T2ID | GroupID ---------------------------------- 1 | a | 10 | 1 2 | b | 11 | 1 3 | c | 12 | 1 4 | a | 22 | 2 Table 2 ID | T2Value ---------------- 10 | H 11 | J 12 | K 22 | H I want to clone the data for GroupID == 1 into a new GroupID so that I result with the following: Table 1 ID | T1Value | T2ID | GroupID ---------------------------------- 1 | a | 10 | 1 2 | b | 11 | 1 3 | c | 12 | 1 4 | a | 22 | 2 5 | a | 23 | 3 6 | b | 24 | 3 7 | c | 25 | 3 Table 2 ID | T2Value ---------------- 10 | H 11 | J 12 | K 22 | H 23 | H 24 | J 25 | K I've found some SQL clone patterns that allow me to clone data in the same table well... but as I start to deal with cloning data in two tables at the same time and then linking up the new rows correctly... that's just not something I feel like I have a good grasp of. I thought I could do some self-joins to deal with this, but I am worried in the cases where the non-key fields have the same data in multiple rows.

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  • Erlang - list comprehensions - populating records

    - by tbikeev
    I have a simple record structure consisting of a header (H) and a list of the data lines (D) 1:N. All header lines must start with a digit. All data lines have a leading whitespace. There also might be some empty lines (E) in between that must be ignored. L = [H, D, D, E, H, D, E, H, D, D, D]. I would like to create a list of records: -record(posting,{header,data}). using list comprehension. Whats the best way to do it?

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  • How to test processing a list of files within a directory using RSpec?

    - by John Topley
    I'm pretty new to the world of RSpec. I'm writing a RubyGem that processes a list of files within a specified directory and any sub-directories. Specifically, it will use Find.find and append the files to an Array for later output. I'd like to write a spec to test this behaviour but don't really know where to start in terms of faking a directory of files and stubbing Find.find etc. This is what little I have so far: it "should return a list of files within the specified directory" do end Any help much appreciated!

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  • How does windows resolves short names (8.3) into full names

    - by i3anshee
    I have a PC running 64 bit Windows Server 2003. There is a java application which uses cmd file as a launcher. The launcher does this SET JAVA_HOME= C:\Progra~1\Java "%JAVA_HOME%\bin\java" [java program execution line] Java is installed in C:\Program Files\Java. Since it is a x64 windows it also has C:\Program Files (x86)\ folder. Now the actual problem is that from time to time this application fails to start because it fails to find java. So the question is what windows does to resolve such ambiguity? Based on what it makes decisions about which folder to choose?

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  • Do you have to call .Save() when modifying a application setting that is bound to a control property

    - by Jordan S
    I am programming in .NET I have an application setting of type string. On my form I have a textbox. I bound the text property of the textbox to my application setting. If I type something in the textbox it changes the value that is held in the Application setting but the next time I start the program it goes back to the default value. Do I need to call Properties.Settings.Default.Save(); after the text is entered for the new value to be saved? Shouldn't it do this automatically? Is there a way I can make it do it automatically?

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  • eliminating noise/spikes

    - by tgv
    I have a measurement data with similar positive and negative values which should be like: ReqData=[0 0 -2 -2 -2 -2 -2 -2 0 0 0 -2 -2 -2 -2 0 0 2 2 2 2 2 2 0 0 2 2 2 2 2 0 0 2 2 2 2 2 0 0 2 2 2 0 0]' However, there are some measurement noises in the data - so the real data is like this: RealData=[0 0 -2 -2 -2 -2 -2 -2 0 0 0 -2 -2 -2 -2 0 0 2 2 2 2 -4 -1 0 0 2 2 2 2 -7 0 0 2 2 2 2 -1 0 0 2 2 2 0 0]' How do I remove the end noise from the RealData and convert it into ReqData using Matlab? How do I find the start and stop indexes of each set of positive or negative data and split them using Matlab? For instance, ansPositive = [3,8, 12, 15]' and ansNegative = [18, 23, 26, 30, 33, 37, 40, 42]'.

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  • The difference between delete and delete [] in C++

    - by Ilya Melamed
    I've written a class that contains two pointers, one is char* color_ and one in vertexesset* vertex_ where vertexesset is a class I created. In the destractor I've written at start delete [] color_; delete [] vertex_; When It came to the destructor it gave me a segmentation fault. Then I changed the destructor to: delete [] color_; delete vertex_; And now it works fine. What is the difference between the two?

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  • How to convert from one co-ordinate system to another (graphics)

    - by Dororo
    I've been having issues with this for a little while now. I feel like I should know this but I can't for the life of me remember. How can I map the screen pixels to their respective 'graphical' x,y positions? The co-ordinate systems have been configured to start at the bottom left (0,0) and increase to the top-right. I want to be able to zoom, so I know that I need to configure the zoom distance into the answer. Screen |\ Some Quad | \--------|\Qx | \ Z | \ | \ \|Qy \ | Sx\ |Sy \| I want to know which pixels on my screen will have the quad on it. Obviously as Z decreases, the quad will occupy more of the screen, and as Z increases it will occupy less, but how exactly are these calculated? Thanks for any help.

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  • C#: reading in a text file more 'intelligently'

    - by DarthSheldon
    I have a text file which contains a list of alphabetically organized variables with their variable numbers next to them formatted something like follows: aabcdef 208 abcdefghijk 1191 bcdefga 7 cdefgab 12 defgab 100 efgabcd 999 fgabc 86 gabcdef 9 h 11 ijk 80 ... ... I would like to read each text as a string and keep it's designated id# something like read "aabcdef" and store it into an array at spot 208. The 2 issues I'm running into are: I've never read from file in C#, is there a way to read, say from start of line to whitespace as a string? and then the next string as an int until the end of line? given the nature and size of these files I do not know the highest ID value of each file (not all numbers are used so some files could house a number like 3000, but only actually list 200 variables) So how could I make a flexible way to store these variables when I don't know how big the array/list/stack/etc.. would need to be.

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  • Search box inside a div. Django

    - by Juliette Dupuis
    In my django app I display a list of elements (friends name) thanks to a loop: <div> {% for friend in group %} <p>{{ friend.name }} <p> {% endfor %} </div> I would like to create a search box on the top of my list in order to be able to find only the friends the user wants. I would like the search bar does not need to click to send the request (an example is the Airtime searchbox on top of the facebook friends list). I have absolutely no idea on how to do that, and I'm looking for hints or tips to start. Thank you very much for your help.

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  • Conditional Branching Issues

    - by Zack
    Here is the code: def main_menu print_main_menu user_selected = gets.chomp if user_selected.downcase == "no" main_menu elsif user_selected == "1" || "2" || "3" || "4" || "5" || "6" || "7" user_selected = user_selected.to_i call_option(user_selected) else main_menu end end This code uses calls to allow a user to make a selection from a main menu. Depending on the input, be it a certain number, a certain word, or something else, the respective method is called (in the case of a valid input) or the main menu is printed again (in the case of an invalid input or "no"). My questions are twofold. 1) Is there an efficient way to get rid of the literal string error that appears as a result of this redundant or statement on the elsif line? (the code itself works fine, but this error appears and is frustrating). 2) When an alternate/unspecified input is made by the user, the else branch doesn't execute and main_method doesn't start over. I have no idea why this is happening. Is there something I'm missing here? Thanks

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  • Need to call Silverlight Handler event and then serverside event on Page submit.

    - by Shivkant
    I have a Silverlight control on page which has a upload control. the silverlight exposes some events such as StartUpload() = To start the file upload, StopUpload() = To stop the file upload if running, CheckFileStatus() = to check the status of the file upload. The page has aspx Submit button with onclientclick event and ocClick event. <asp:Button ID="btn_upload" Text="External Upload" runat="server" OnClientClick="Javascript:StartUpload();" OnClick="btn_upload_Click" /> When I click on the aspx Submit Button, the file selected in Silverlight control should be uploaded and after the completion of upload, the Server side event should get called. I tried for it but was not able to do so. Please help me out!....

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  • How to detect that a process is started using C# code[windows service]

    - by infant programmer
    I am trying to design a windows-service which monitors a process namely "Gtalk", if the process is started then, the browser Internet-explorer (process iexplore) should be closed. This should happen only when the process "Gtalk" is started, [not when running] The code I have written and implemented, doesn't allow to open IExplore when Gtalk is running. That is certainly what not I am trying for. The process Gtalk should close browser only at its start-up, After the process is started, it should allow to open IExplore. Is it possible with Windows service or is it must be the part of Gtalk process itself? This is my code: while (true) { if (Process.GetProcessesByName("Gtalk").Length > 0) { foreach (Process prc in Process.GetProcessesByName("IExplore")) { prc.Kill(); } } }

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