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• Encrypt Data using Public Key

  - by prithvi

  $key = file_get_contents('http://keyserver.pramberger.at/pks/lookup?op=get&search=uid'); after getting public key in '$key' variable i need to encrypt the data using this public key. the key must be start with ----Begin pgp block ---to end pgp block----. How this can be done in php?

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• Making Swedish characters show properly in Windows Command Prompt using Python in Notepad++

  - by Alex

  The title explains it well. I have set up Notepad++ to open the Python script in the command prompt when I press F8 but all Swedish characters looks messed up when opening in CMD but perfectly fine in e.g IDLE. This simple example code: #!/usr/bin/env python #-*- coding: UTF-8 -*- print "åäö" Looks like this. As you can see the output of the batch file I use to open Python in cmd below shows the characters correctly but not the Python script above it. How do I fix this? I open the file in cmd using this method

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• How to backup data stored with Core Data - iPhone app?

  - by Alex

  I'm using sqlite for the persistent store, so could I just upload the .sqlite file to, for example, Amazon S3 as a way of providing users with the ability to backup their app data? Then for restoring just download it back and replace the existing .sqlite file in the app's folder. Does anybody see any issues with that? Has anyone done it? Any other suggestions on how to implement data backup feature?

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• jQuery $(this) selector and children?

  - by Alex

  I'd like to use a selector to select the child img of the div I'm clicking on this example: <div id="..."><img src="..."></div> To get the div, I've got this selector: $(this) How do I get the img with a selector?

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• Displaying single digit on a LCD using ARM microcontroller?

  - by Alex Xander

  I am writing an embedded application in which I need to display a digit on LCD. There must be some pre-existing libraries available doing the same. Or is there some reference code in C-language that could be referred? Microcontroller is ARM based LPC2378.

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• How to maintain fixed size of C variable types over different machines?

  - by Alex

  I've all this kind of functions. ssize_t fuc1(int var1, void *buf, size_t count); int func2(char *charPtr, int mode, int dev); short func3( long var2); problem is that data types in C has different sizes when compiled on different machines(64bit & 32bit). This is true for even void*. For some reasons. I need to ensure that these sizes all are same on every machine(64bit & 32bit). So, how should I modify these ?

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• ASP.NET MVC Route based on Web Browser/Device (e.g. iPhone)

  - by Alex

  Is it possible, from within ASP.NET MVC, to route to different controllers or actions based on the accessing device/browser? I'm thinking of setting up alternative actions and views for some parts of my website in case it is accessed from the iPhone, to optimize display and functionality of it. I don't want to create a completely separate project for the iPhone though as the majority of the site is fine on any device. Any idea on how to do this?

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• Javascript CSS visability.

  - by Alex

  It seems that javascript only can ready inline css if i want to check if element is display:hidden getting it with: el.style.display But how to check if display:none is placed inside external CSS file?

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• pass parameter from controller to models condition

  - by Alex

  I'm trying to bind a param to a join via a named scope., but I'm getting an error. What is the correct way to do that? has_one :has_voted, :class_name => 'Vote', :conditions => ['ip = :userIp'] # named scopes scope :with_vote, lambda {|ip| { :include => [:has_voted], # like this ?? :conditions => [:has_voted => {:conditions => {:userIp => ip}} ] }} Idea.with_vote(request.ip).all I believe I need the condition definition in the model for it to appear in the ON clause of a JOIN, rather then in the WHERE one. Edit I'm trying to get the following query select Ideas.*, Votes.* from Ideas left outer join Votes on Votes.Idea_id = Idea.id AND Votes.ip = {request.ip}

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• Why specifcially in my example does this "too much recursion" error occur in my JavaScript?

  - by alex

  I have been looking into this for a little while now. I have a gallery on my page, that uses Ariel Flesler's scrollTo plugin. It works fine on the home page, but not on the Contact page. In Firefox, I get the error... Too much recursion I have sorted through as much code as possible and set breakpoints in a few places. I am pretty sure it is something to do with the plugin (specifically, when it is called in the click handler). For your convenience, I am using the unpacked versions of jQuery and scrollTo plugin. What on earth am I doing wrong? Thanks for your time.

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• Errors/Warnings/Debug Info no longer appears in Debug Console

  - by Alex L

  Hi Guys: This one is driving me crazy. When I run my App and open the Debug Console there is nothing there! Nope, not even the output from my NSLog statements. Before I would see a bunch of debug information starting with [Session Started ...] and ending with 'Terminating in response to SpringBoard's termination'. The Status Bar at the bottom of the Console says my App was successfully launched. Even Errors and Warnings from my code no longer appear. How do I get this to show up again? Any help would be greatly appreciated.

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• RSA PKCS1 implementation in Python

  - by user307016

  I'm working on the RSA PKCS1 implementation in Python,here's the message block i got: m = [0,2,random paddings,0,message integers] I read the RFC2313,and get a equation seems for transforming the message block object into an big-edian integer. I just get confused about how to transform it in Python. Any help would be appreciated.

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• PHP Force Download Causing 0 Byte Files

  - by Alex

  Hey, I'm trying to force download files from my web server using PHP. I'm not a pro in PHP but I just can't seem to get around the problem of files downloading in 0 bytes in size. CODE: $filename = "FILENAME..."; header("Content-type: $type"); header("Content-Disposition: attachment;filename=$filename"); header("Content-Transfer-Encoding: binary"); header('Pragma: no-cache'); header('Expires: 0'); set_time_limit(0); readfile($file); Can anybody help? Thanks.

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• jQuery slideUp and slideDwon issues

  - by Alex

  I need the classes 'two and three' to be hidden as soon as the page load and than be able to click again on the menu to slide it down, I am having probles with the following code: $(document).ready(function() { $('.two, .three').slideUp('slow'); $('.active_wrapper').click(function(){ $('.two, .three').slideDown('slow'); }); }); HTML <div class="nav_wrapper"> <div class="active_wrapper one"><a class="active" href="">home</a></div> <div class="two"><a href="about.html">about</a></div> <div class="three"><a href="project.html">project</a></div> </div>

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• .NET BinarySearch() on ArrayList of custom objects

  - by Alex

  Hi. I have an ArrayList of custom objects that have the following properties: FileName FilePath CurrentFolder TopLevelFolder I then need to do a BinarySearch (or some other quick search) on the FileName property on all the objects in the ArrayList in .NET. In other words, I need to find the object in the ArrayList with the same FileName as the one I'm searching on. Syntax for the ArrayList's BinarySearch is this; but how do you do this for an object's property in the arraylist? public static void FindMyObject( ArrayList myList, Object myObject ) { int myIndex=myList.BinarySearch( myObject ); if ( myIndex < 0 ) Console.WriteLine( "The object to search for ({0}) is not found. The next larger object is at index {1}.", myObject, ~myIndex ); else Console.WriteLine( "The object to search for ({0}) is at index {1}.", myObject, myIndex ); }

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• Question about JSON?

  - by Alex

  Hi all, I have a fairly simple question: In Javascript how can I return the boolean (if its found in the JSON) rather than the actual value? Example: var myJSON = { "foo" : "bar", "bar" : "foo" }; var keyToLookFor = "foo"; var found = myJSON[keyToLookFor]; if (found) { // I know I can test if the string exists in the if } // but is there a way I could just return something like: return found; // instead of testing found in the if statement and then returning true?

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• Why doesn't my javascript work after AJAX filling the HTML?

  - by alex

  $.ajax({ method:"get", url:"/details/", data:"id="+id, beforeSend:function(){ }, success:function(html){ $("#holder").html(html); } }); After I fill a div with a HTML from an AJAX call, this is my javascript at the top of /details/ <script type="text/javascript"> alert('hi'); </script> MY DETAILS HTML CONTENT GOES HERE But it's not working

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• Imploding nested arrays

  - by Alex Zylman

  Hey guys, If I have an array structured like this: $array[index]['first_name'] $array[index]['last_name'] Is there an easy way to implode it into something like first_name last_name,first_name last_name, etc. for all the indices? Implode didn't seem to do what I wanted for something like this. Currently I'm just looping over the whole thing, but it's a SIGNIFICANT bottleneck.

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• Use CSS referenced images in JSP pages

  - by Alex

  I am writing a java servlet (struts/JSP etc). I am trying to style a progress bar using CSS in a JSP page but get this error when using chrome's developer tools: Resource interpreted as image but transferred with MIME type text/plain. <%@ include file="../include/css/default.css" % And in the CSS file: background:url(../images/bg_bar.gif) no-repeat 0 0; Could anyone explain why this is and show how I can use this CSS in my page?

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• How do travel search engines & aggregators get their source data?

  - by Alex

  I'm tossing around a few ideas for travel search engines and I'm wondering how these sites get their source data. Do they scrape all the content from airline homepages? This seems like an enormous job given the number of airlines etc out there. Is there some API or web service standard that every airline conforms too? Am I going to have to negotiate access to the data APIs for every airline I wish to index?

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• Visual C# 2010 Express Output Window

  - by Alex Farber

  Is there Output window in C# 2010 Express? I don't see it in the View menu.

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• Nested <ul><li> navigation menu using a recursive Python function

  - by Alex

  Hi. I want to render this data structure as an unordered list. menu = [ [1, 0], [2, 1], [3, 1], [4, 3], [5, 3], [6, 5], [7,1] ] [n][0] is the key [n][1] references the parent key The desired output is: <ul> <li>Node 1</li> <ul> <li>Node 2</li> <li>Node 3</li> <ul> <li>Node 4</li> <li>Node 5</li> <ul> <li>Node 6</li> </ul> </ul> <li>Node 7</li> </ul> </ul> I could probably do this without recursion but that would be no fun. Unfortunately, I am having problems putting it all together. I don't have much experience with recursion and this is proving to be very difficult for me to build and debug. What is the most efficient way to solve this problem in Python? Thanks!

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• Ant build script "try" alternative

  - by EugeneP

  I need a block analogous to Java try-catch if its target failed, I still need to go further and execute the next block. Does it exist?

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• Trying to start a service on boot on Android

  - by Alex

  I've been trying to start a service when a device boots up on android, but I cannot get it to work. I've looked a number of links online but none of the code is working. Am I forgetting something? This is my code. Manifest <receiver android:name=".StartServiceAtBootReceiver" android:enabled="true" android:exported="false" android:label="StartServiceAtBootReceiver"> <intent-filter> <action android:name="android.intent.action._BOOT_COMPLETED"/> </intent-filter> </receiver> <service android:enabled="true" android:name="com.test.RunService"/> Receiver OnReceive public void onReceive(Context context, Intent intent) { if("android.intent.action.BOOT_COMPLETED".equals(intent.getAction())) { Intent serviceLauncher = new Intent(context, RunService.class); context.startService(serviceLauncher); Log.v("TEST", "Service loaded at start"); } } Thanks,

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• Reinstantiating a GUI (JFrame) object

  - by Alex

  Hi guys, basically I want my JFrame to become a completely new JFrame object when an event is triggered. I have some code that basically calls [CODE]GUI gui = new GUI(x, y)[/CODE] the only problem I'm having is that as well as creating the new GUI object, it is not deleting the old window. Can anyone tell me how to get rid of the old window. Thanks.

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