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• RC2 key schedule

  - by calccrypto

  Can someone explain how the RC2 key schedule works (particularly the very beginning of it)? i know it uses little endian, but my implementation is not working for any key except "0000 0000 0000 0000" Test Vector Key = 88bc a90e 9087 5a Plaintext = 0000 0000 0000 0000 Ciphertext = 6ccf 4308 974c 267f im assuming that the first thing to do with the key would be to change it into bc88 0ea9 8790 5a and yes i know RC2 is not even used anymore, but i would still like to know

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• Get JS file via HTTPS from a HTTP page

  - by Mike

  Okay, so what are the ramifications of getting a JS file via an HTTPS call while on a HTTP page. I assume it would just be a little bit of extra overhead. Would there be any warnings about this call from any certain browser? Don't ask why. It's just hypothetical.

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• Random Color generator in Javascript

  - by n00ki3

  Hi there, i am not an Javascript and i need a little help. Given this function , i want to replace the color with an Random Color generator. document.overlay = GPolyline.fromEncoded({color: "#0000FF", weight: 10, points: encoded_points, zoomFactor: 32, levels: encoded_levels, numLevels: 4 }); Can anyone help me ?

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• select SUM in Cake

  - by SpawnCxy

  When I tried using follow code to get the sum of the column named Serviceinfo.services $conditions = array('fields'=>array('SUM(Serviceinfo.services) as servicecount'),'conditions'=>array('time_id BETWEEN ? AND ?'=>array($startid,$endtid))); $services = $this->Serviceinfo->find('all',$conditions); I had to fetch the sum data with services[0][0]['servicecount'] which seems a little weird.And What I expect is services['Serviceinfo']['servicecount'],or more simple one.Then how can I fix this?Thanks in advance!

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• Flex AdvancedDatagrid inline commentary functionality required

  - by Forkrul Assail

  I'm using Flex's Advanced Datagrid for a project and need inline comments, in a similar style to Excel spreadsheet comments. A little visual indicator should indicate if a field is associated with a comment, and on clicking on the element should open or trigger an action for displaying that particular comment. Any suggestions on how I would go about implementing this?

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• Php/Mysql Simple survey

  - by creativz

  I want to make a little php poll. The script should ask the users a question they can only answer by numbers from 0-999. After pressing the submit button the data should be stored into mysql. So I just want to know how much users choosed the same number (in percent). It's a simple poll but I don't want any output to be shown.

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• Convert large raster graphics image(bitmap, PNG, JPEG, etc) to non-vector postscript in C#

  - by Dennis Cheung

  How to convert an large image and embed it into postscript? I used to convert the bitmap into HEX codes and render with colorimage. It works for small icons but I hit a /limitcheck error in ghostscript when I try to embed little larger images. It seem there is a memory limit for bitmap in ghostscript. I am looking a solution which can run without 3rd party/pre-processing other then ghostscript itself.

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• Android: DOM-Model to XML

  - by poeschlorn

  Hey Guys, analogue to this one (http://stackoverflow.com/questions/2788345/replacing-xml-in-file-from-document-in-java or http://www.exampledepot.com/egs/javax.xml.transform/WriteDom.html) I try to use it under Android... The problem is, that I can't use the suggested solution under android, because it throws java.lang.verifyError... After reading a little bit, I found out, that the class that was used to store the data to file, is not usable in android... can you suggest another solution, which is similar easy to use?

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• Flex: Failing gracefully on ReferenceError: Error #1056:

  - by Chin

  Hi I have a text field which I would like to bind to a dynamic object. <mx:TextInput id="ti4" text="{selectedObj['someProp']}" valueCommit="{selectedObj['someProp'] = ti4.text}" x="1011.5" y="835"/> If the property doesn't exist I get a reference error - Is there any way to fail a little more gracefully? Any ideas much appreciated.

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• Checklist for Launching public beta

  - by Vinayak

  I am developing a web app that is about to be opened for public beta. Does anyone know of or has prepared a checklist of the various steps that one needs to take to ensure a smooth beta implementation? The web app is coded using Java, MySQL on the server side and HTML, Javascript on the client side with a little Flash in one or two screens. I know this question is very non-specific, but I am looking for best practices/guidelines here. Thanks in advance.

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• Using a Stored Procedure

  - by Abhisheks.net

  Hello guys, I want use a stored procedure in my project but I have no idea about it. Please could you tell me a little bit about how to use I can use one in my vb.net application ?

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• iPhone SDK reload UIView's content

  - by Matt S.

  I have two views, one view takes the whole screen, the second view covers only a little portion. What I want is for that second view to be on the first view (which I already have done), but the problem is, when I set values (in this case UILabel's) the label on the screen doesn't display that new value. I know for a fact the method gets called, but for some reason it won't change the label's value.

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• MainMenu with Images (WinForms, C#)

  - by j-t-s

  Hi All I have a MainMenu in my app and I would like to have little icons relevant to the Item in each menu. But the MainMenu control does not support this. I would use the MenuStrip control, though that is a pretty ugly option in my opinion. Does anybody have any suggestions? Are there any free/open source alt's out there, or would it be easy/possible to implement that feature into the existing MainMenu control? Thanks

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• Network traffic monitoring - du meter freeware replacement?

  - by truthseeker

  Hi, I need to monitor on my computer amount of downloaded and uploaded data. Do you know any tool for Windows 7 x64 which would be freeware and gave me this opportunity? Du meter is perfect but it is a little bit to expensive for me. Any ideas? Help please?

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• Hidden features of Qt.

  - by Lukasz Lew

  A little is hidden in Qt given splendid documentation. But given vastness of Qt functionality paradoxically many useful features have been overlooked by me (and reimplemented or work-arounded). What Qt functions you wish you have noticed earlier?

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• C printf in Delphi?

  - by kroimon

  Hi there! Does anyone know a 100% clone of the C/C++ printf for Delphi? Yes, I know the System.Format function, but it handles things a little different. For example if you want to format 3.14 to "003" you need "%03d" in C, but "%.3d" in Delphi. I have an application written in Delphi which has to be able to format numbers using C format strings, so do you know a snippet/library for that? Thanks in advance!

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• Any way to automatically wrap comments at column 80 in Visual Studio 2008? ..or display where column

  - by Jon Cage

  Is there any way to automatically wrap comments at the 80-column boundary as you type them? ..or failing that, any way to display a faint line at the coulmn 80 boundary to make wrapping them manually a little easier? Several other IDEs I use have one or other of those functions and it makes writing comments that wrap in sensible places much easier/quicker. [Edit] If (like me) you're using Visual C++ Express, you need to change the VisualStudio part of the key into VCExpress - had me confused for a while there!

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• iUI add margin to the content

  - by powtac

  I'm using the iUI Framework. How can I add a little margin to the current selected div? Take a look at the screenshot attachment. This is the CSS file The main div has the CSS class "selected"!

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• What exactly are administrative redexes after CPS conversion?

  - by eljenso

  In the context of Scheme and CPS conversion, I'm having a little trouble deciding what administrative redexes (lambdas) exactly are: all the lambda expressions that are introduced by the CPS conversion only the lambda expressions that are introduced by the CPS conversion but you wouldn't have written if you did the conversion "by hand" or through a smarter CPS-converter If possible, a good reference would be welcome.

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• How to open a .a file

  - by Mgst

  Heya! My name is Ale, and this is the first time that I post in this website. I've a little problem: I have to open a linker file, that have ".a" extension. I use Dev-C++, I don't know if it would be useful for you :-P I hope you will answer soon! Oh, and excuse me for my bad English, tell me if I made some mistakes! Thanks!!

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• Append SQL table name with today's date

  - by Ricardo Deano

  Hello all. I understand that I can change a sql table using the follow sp: EXEC sp_rename 'customers', 'custs' How would I go about appending this so that the new table has today's date as a suffix? I've attempt variations on the below theme with little success!! EXEC sp_rename 'customers', 'customers +(CONVERT(VARCHAR(8),GETDATE(),3))' Any help greatly appreciated.

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• What's the difference between reflow and repaint?

  - by Jon Raasch

  I'm a little unclear on the difference between reflow + repaint (if there's any difference at all) Seems like reflow might be shifting the position of various DOM elements, where repaint is just rendering a new object. E.g. reflow would occur when removing an element and repaint would occur when changing its color. Is this true?

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• xpath: string manipulation

  - by Jindan Zhou

  So in my scrapy project I was able to isolate some particular fields, one of the field return something like: [Rank Info] on 2013-06-27 14:26 Read 174 Times which was selected by expression: (//td[@class="show_content"]/text())[4] I usually do post-processing to extract the datetime information, i.e., 2013-06-27 14:26 Now since I've learned a little more on the xpath substring manipulation, I am wondering if it is even possible to extract that piece of information in the first place, i.e., in the xpath expression itself? Thanks,

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• Define data members within constructor

  - by bertsisterwanda

  I have got this little snippet of code, I want to be able to define each array element as a new data member. class Core_User { protected $data_memebers = array( 'id' = '%d', 'email' = '"%s"', 'password' = '"%s"', 'title' = '"%s"', 'first_name' = '"%s"', 'last_name' = '"%s"', 'time_added' = '%d' , 'time_modified' = '%d' , ); function __construct($id = 0, $data = NULL) { foreach($data_memebers as $member){ //protected new data member } }

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• Getting Tomcat user in Java

  - by wolfi

  Hey everybody, is there a way to get the logged in user name (and group) from a Tomcat system. I read something about configuring Tomcat, so it is getting the user information out of a database. But I found now information about getting the name of the user (in my GWT Project), which is logged in. I'm trying to write a little GWT project and would like to publish the user name to the front page. Thx for your help.

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