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• What's an efficient way of calculating the nearest point?

  - by Griffo

  I have objects with location data stored in Core Data, I would like to be able to fetch and display just the nearest point to the current location. I'm aware there are formulas which will calculate the distance from current lat/long to a stored lat/long, but I'm curious about the best way to perform this for a set of 1000+ points stored in Core Data. I know I could just return the points from Core Data to an array and then loop through that looking for the min value for distance between the points but I'd imagine there's a more efficient method, possibly leveraging Core Data in some way. Any insight would be appreciated. EDIT: I don't know how I missed this on my initial search but this SO question suggests just iterating through an array of Core Data objects but limiting the array size with a bounding box based on the current location. Is this the best I can do?

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• Another Internet Explorer problem... JQuery events

  - by Parhs

  Here is my spaggeti code $("#table_exams tbody tr").click(function () { window.location.hash="#" +$(this).attr("exam_ID"); window.location.href="/medilab/prototypes/exams/edit?examId=" + $(this).attr("exam_ID") +"&referer=" + referer; row_select(this); }); $("#table_exams tbody tr td a").click(function () { window.location.hash="#" +$(this).parent().parent().attr("exam_ID"); var where="/medilab/prototypes/exams/edit?examId=" + $(this).parent().parent().attr("exam_ID") +"&referer=" + referer; window.open(where); row_select($(this).parent().parent()); alert("propaganda"); event.stopPropagation(); event.preventDefault(); return false; }); The problem is that when this function is triggered $("#table_exams tbody tr td a").click(function () { the other function is triggered also.... only in IE... What can i do for this????

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• Installing sSMTP from SSH

  - by James

  I'm on a Web Hosting Buzz reseller account. They have some very stringent mail sending rules, including blocking of authenticated SMTP socket mail sending using PEAR. It was suggested in WHB forum that this was possible with sSMTP. I've since gotten SSH access and googled how to install sSMTP from SSH: rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm yum install ssmtp However, the first line fails with: Retrieving http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm error: skipping http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm - transfer failed - Unknown or unexpected error It was a very old thread in WHB forum and the thread poster could not be reached for assistance. Any help would be much appreciated!

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• iPhone drag/drop

  - by Farid

  Trying to get some basic drag/drop functionality happening for an iPhone application. My current code for trying to do this is as follows: - (void) touchesMoved:(NSSet*)touches withEvent:(UIEvent*)event { UITouch *touch = [touches anyObject]; CGPoint location = [touch locationInView:self]; self.center = location; } This code has the result of a the touched UIView flickering while it follows the touch around. After playing around with it a bit, I also noticed that the UIView seemed to flicker from the 0,0 position on the screen to the currently touched location. Any ideas what I'm doing wrong?

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• How to generate a client certificate using a third party CA-NOT Self Signed CA

  - by Bryan

  I am trying to trying to export a client certificate for use with a web browser. The goal is to restrict access using the <Location directive to the admin area. I have seen numerous tutorials on using self signed CAs. How would you do this using a third party? 1) Do I need to include the CA in the client pfx if it is a trusted root CA? I have seen both examples. Without CA: openssl pkcs12 -export -inkey KEYFILENAME -in CERTFILEFILENAME -out XXX.pfx With CA: openssl pkcs12 -export -in my.crt- inkey my.key -certfile my.bundle -out my.pfx 2) Do I need to still include SSLCACertificateFile for trusted CA in the httpd.conf setup? SSLVerifyClient none SSLCACertificateFile conf/ssl.crt/ca.crt <Location /secure/area> SSLVerifyClient require SSLVerifyDepth 1 </Location> http://www.modssl.org/docs/2.8/ssl_howto.html#ToC8

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• Jquery href with hash

  - by Ramesh

  Hi, i am using tis code for tab navigation. function hashIt(toHash) { toHash == "" ? window.location.hash = window.location.hash.replace( /#.*/, "") : window.location.hash = toHash; return false; } and also i am using jquery popup on page onload. a hyperlink in the popup is not working, if i remove the hashIt function its fine. but i want both. Please help me out. Ramesh.

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• Downloading file with ASIHTTPRequest - iPhone app

  - by lostInTransit

  Hi I am using the ASIHTTPRequest source code to download a file from a remote location. Surprisingly, the download happens but nothing happens after that. I have put in a log statement in the handleBytesAvailable method and can see the entire file worth of data is downloaded in parts and added to the fileDownloadOutputStream variable. But once all the bytes have been downloaded, nothing happens. The delegate methods are not called (neither fail, nor success). Can someone please tell me what is happening? Or what is the correct way to download a file from a remote server using ASIHTTPRequest? Thanks.

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• Stop Progressbar manual scrolling in Android

  - by Rony

  Hi experts, I have already posted my query here, but unfortunately, not getting the required support for this simple query. http://www.anddev.org/prevent_manual_moving_of_seekbar_widget-t13048.html I am using progressbar widget in my application to show the download progress. In the current state, I am able to manually move the slider back and forth while download is progressing. How can I prevent the manual moving of progressbar, instead it works only based on progressbar.setProgress(progressbar.getProgress() + 1024); -- currently this works perfect, but I need to prevent the manual moving of progressbar during download. Any help in this regard is appreciated. Regards, Rony

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• classic asp - response.redirect and response.write problem

  - by apg1985

  Hi People, The problem if someone types into the search box a location it goes through to that location page but if they type in a location thats not found or they dont type anything in I need it to redirect back to the homepage (index.asp) and display "whoops we couldnt find that" in the search box (input field) This is the vb Case Else response.redirect "index.asp?whoops=whoops we couldnt find that" End Select Then in the value of the input field I have value="<% =whoops %>" This doesnt work by the way, first is this the best way of doing it because id rather not have the error message in the url. This there away of posting the error as a variable and then calling it into the input field like, <% =whoops %>

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• What are the differences among sqlite3 from python2.5, pysqlite and apsw

  - by leo

  Hi, I would like to know the differences among sqlite3 from python2.5, pysqlite and apsw? I have a bumpy run when trying to install pysqlite on windows vista with python2.5, see following: download sqlite from http://sqlite.org/download.html and unzip them into windows/system32 folder and put sqlite3.dll into c:/python25/Lib folder download pysqlite windows installer when trying to run following in python shell: >>> from pysqlite2 import test Traceback (most recent call last): File "<stdin>", line 1, in <module> File "pysqlite2\test\__init__.py", line 35, in <module> from pysqlite2.test import dbapi, types, userfunctions, factory, transactions,\ File "pysqlite2\test\dbapi.py", line 27, in <module> import pysqlite2.dbapi2 as sqlite File "pysqlite2\dbapi2.py", line 27, in <module> from pysqlite2._sqlite import * ImportError: No module named _sqlite I am wondering anybody with experiences of the above three types of sqlite binding to python can comment their pros and cons such as performances I am wondering is it worthwhile to try the pysqlite or apsw thanks

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• How to reference both ASSEMBLYVERSION and ASSEMBLYFILEVERSION?

  - by Chuck

  I need to display both the AssemblyVersion and the AssemblyFileVersion. In AssemblyInfo.cs, I have: [assembly: AssemblyVersion("1.0.*")] [assembly: AssemblyFileVersion("2009.8.0")] However, I only get "2009.8.0" when I reference the above with: public class VersionInfo { public static string AppVersion() { return System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileMajorPart + "." + System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileMinorPart + "." + System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileBuildPart; } } How can I display both values? Thanks.

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• java servlet programming errror

  - by abson

  C:\Tomcat5.5\webapps\WEB-INF\classes>javac MyServlet.java MyServlet.java:2: package javax.servlet does not exist import javax.servlet.*; ^ MyServlet.java:3: package javax.servlet.http does not exist import javax.servlet.http.*; ^ MyServlet.java:5: cannot find symbol symbol: class HttpServlet public class MyServlet extends HttpServlet ^ MyServlet.java:7: cannot find symbol symbol : class HttpServletRequest location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ MyServlet.java:7: cannot find symbol symbol : class HttpServletResponse location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ MyServlet.java:7: cannot find symbol symbol : class ServletException location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ 6 errors

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• Outputing struct to NSLog for debugging?

  - by fuzzygoat

  I am just curious, is there a way to print via NSLog the contents of a struct? id <MKAnnotation> mp = [annotationView annotation]; MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance([mp coordinate], 350, 350); I am trying to output whats in [mp coordinate] for debugging. . EDIT_001: I cracked it, well unless there is another way. id <MKAnnotation> mp = [annotationView annotation]; CLLocationCoordinate2D location = [mp coordinate]; NSLog(@"LAT: %f LON: %f", location.latitude, location.longitude); many thanks gary

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• svn branch commit - experimental commit

  - by quano

  I've made some experimental code that I would like to save in the repository, but I don't want it on the main branch. How would you commit this to a branch? Maybe I got this wrong, but of what I've understood about branching, all you actually do is copying already checked in code to another directory in the repository. I suppose one could copy the main branch to another location, and then change the working copy repository location pointer to point at that location, and then commit the experimental code. But that seems a bit long-winded. Is this really how you do it?

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• URLCache - iPhone SDK

  - by Kevin

  Hello everyone.. I need some help in using the NSURLCache to download a simple file. It would need to be saved in the Documents folder of the app. I have seen the URLCache example that apple presented, but I didn't find it useful since it was an image that was being shown. In addition there was some complex code on the modification date. I actually need something when the application opens it will begin the download process. Can someone guide me through just the download process of any file? Thanks Kevin

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• SQL Query Not Functioning - No Error Message

  - by gamerzfuse

  // Write the data to the database $query = "INSERT INTO staff (name, lastname, username, password, position, department, birthmonth, birthday, birthyear, location, phone, email, street, city, state, country, zip, tags, photo) VALUES ('$name', '$lastname', '$username', '$password', '$position', '$department', '$birthmonth', '$birthday', '$birthyear', '$location', '$phone', '$email', '$street', '$city', '$state', '$country', '$zip', '$tags', '$photo')"; mysql_query($query); var_dump($query); echo '<p>' . $name . ' has been added to the Employee Directory.</p>'; if (!$query) { die('Invalid query: ' . mysql_error()); } Can someone tell me why the above code produced: string(332) "INSERT INTO staff (name, lastname, username, password, position, department, birthmonth, birthday, birthyear, location, phone, email, street, city, state, country, zip, tags, photo) VALUES ('Craig', 'Hooghiem', 'sdf', 'sdf', 'sdf', 'sdf', '01', '01', 'sdf', 'sdf', '', 'sdf', 'sdf', 'sd', 'sdf', 'sdf', 'sd', 'sdg', 'leftround.gif')" Craig has been added to the Employee Directory. But does not actually add anything into the database table "staff" ? I must be missing something obvious here.

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• Page auto reload with parameters

  - by Mithil Deshmukh

  I am trying to autoreload my page after every 20 seconds. I am using JavaScript for this instead of the <meta. I have <body onload="SetTimer()" and here is my JavaScript function function SetTimer(){ setTimeout('window.location.replace(window.location.pathname)', 20000) } Now my problem is I also pass a parameter within the querystring when this page is loaded first. But when the page relaods again (window.location.pathname does not include the parameter) hence I am not able to assign values to the labels on the page which is based on the parameters passed.

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• Custom Designers deserialize SplitContainer problem

  - by Hamid

  Hi I just using this link http://msdn.microsoft.com/en-us/magazine/cc163634.aspx for extent custom designer. I using BasicDesignerLoader type because need xml data for save in db. all thing work properly. I try add SplitContainer to form and then serialize form, it's ok, but when try deserialize it, items that contains in SplitContainer Panel, failed. after i check it see not implement ReadRefrence method (only wrote WriteReference method) How to implement it fast ? Note: After download sample from http://download.microsoft.com/download/f/2/7/f279e71e-efb0-4155-873d-5554a0608523/DesignerHosting.exe, you must add typeof(System.Windows.Forms.SplitContainer) to ToolboxXmlManager.cs(Line 13) in ToolBox project. Note2: Find (De)Serialize method in BasicHostLoader.cs at Loader Project Thanks in advanced

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• How to get elements from a page using Simple HTML DOM Parser

  - by sm56d

  Hi I am trying to parse a HTML page using the Simple HTML DOM Parser. This HTML page doesn't make use of IDs which makes it harder to refer to elements. On this page I am trying to get the Album name, Song title, download link and the album image. I have done this but I can't even get the Album names! $html = file_get_html('http://music.banadir24.com/singer/aasha_abdoo/247.html'); $article = $html->find('table td[class=title]', 0); foreach($article as $link){ echo $link; } This outputs: 1tdArrayArrayArray Artist Array I need to get this sort of output: Image Path Duniya Jamiila [URL] Macaan Badnoo [URL] Donimaayee [URL] ... Thanks all for any help Please note: This is legal as the songs are not bound by copyright and they are available to download freely, its just I need to download a lot of them and I can't sit there clicking a button all day. Having said that, its taken me an hour to get this far.

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• Entity framework and many to many queries unusable?

  - by John Landheer

  I'm trying EF out and I do a lot of filtering based on many to many relationships. For instance I have persons, locations and a personlocation table to link the two. I also have a role and personrole table. EDIT: Tables: Person (personid, name) Personlocation (personid, locationid) Location (locationid, description) Personrole (personid, roleid) Role (roleid, description) EF will give me persons, roles and location entities. EDIT: Since EF will NOT generate the personlocation and personrole entity types, they cannot be used in the query. How do I create a query to give me all the persons of a given location with a given role? In SQL the query would be select p.* from persons as p join personlocations as pl on p.personid=pl.personid join locations as l on pl.locationid=l.locationid join personroles as pr on p.personid=pr.personid join roles as r on pr.roleid=r.roleid where r.description='Student' and l.description='Amsterdam' I've looked, but I can't seem to find a simple solution.

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• How (and where) to get aligned tRNA sequences (and import it into R)

  - by Tal Galili

  (This is a database / R commands question) I wish (for my thesis work), to import tRNA data into R and have it aligned. My questions are: 1) What resources can I use for the data. 2) What commands might help me with the import/alignment. So far, I found two nice repositories that holds such data: http://trnadb.bioinf.uni-leipzig.de/Resulthttp://trnadb.bioinf.uni-leipzig.de/Result http://gtrnadb.ucsc.edu/download.htmlhttp://gtrnadb.ucsc.edu/download.html And also the readFASTA command from Biostrings, that does basic importing of the data into R. My problem still remains with how to handle the alignment of the tRNA. Since I am not from the field, I might be missing a very basic answer (like where I should download the data from, or what command to use). If you might be willing to advice me, that would be most helpful. Many thanks in advance, Tal

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• Trilateration using 3 latitude and longitude points, and 3 distances

  - by nohat

  There exists an unknown target location (latitude and longitude co-ordinates). I have 3 latitude and longitude co-ordinate pairs and for each pair a distance in kilometers to the target location. How can I calculate the co-ordinates of the target location? For example, say I have the following data points 37.418436,-121.963477 0.265710701754km 37.417243,-121.961889 0.234592423446km 37.418692,-121.960194 0.0548954278262km What I'd like is what would the guts of the function that takes that as input and returns 37.417959,-121.961954 as output look like? I understand how to calculate the distance between two points, from http://www.movable-type.co.uk/scripts/latlong.html I understand the general principle that with three circles you get exactly one point of overlap. What I'm hazy on is the math needed to calculate that point with this input.

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• Where are config files for class libraries physically located?

  - by BadNinja

  My guess is that this question will fall under the category of "duh", but, nevertheless, I'm confused. When using config files in, for example, a Windows Forms Application, the config file can be found in C:\Program files\CompanyName\ProductName\Application.exe.config. However, with the class library I'm developing I do not see a "ClassLibrary.dll.config" file in the install folder after installing it (in tandem with another project) from Visual Studio. Even though I do not see the file anywhere, retrieving data from it works correctly. Plus, running the following code from a method within the class library returns the path you would expect: C:\Program files\CompanyName\ProductName\ClassLibrary.dll.config. If someone could shed some light on what I'm missing here, that would be really awesome. public static string MyMethod() { Assembly assem = Assembly.GetExecutingAssembly(); Configuration config = ConfigurationManager.OpenExeConfiguration(assem.Location); return "The assembly location was: " + assem.Location + Environment.NewLine + "The config file path was: " + config.FilePath; // Gives me "C:\Program files\CompanyName\ProductName\ClassLibrary.dll.config" }

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• Using key().id() on GAE Datastore and reverse geocoding

  - by Ivan Slaughter

  I have 6000 data of district, subdistrict. I need to represent this on dependent dropdown. The datamodel is for example; class Location(db.Model): location_name = db.StringProperty() location_parent = db.IntegerProperty() location_parent is reference to key() or id()? Still cannot decide which one is good. When i use key() as reference then using JSON to create jquery dependent drop down. My page loading/query and rendering time the dropdown is quite slow? Can i use key().id() as drop down option value to lighten up the page load? Any better solution for this parent/child reference for the drop down? For example: for the district record/entities the location-parent is null, for sub district record location_name will contain reference to parent district record. Other issue is to reverse geocoding the location to store or display geoPoint (lat,long)? Is google MAP API always find the exact lat,long of specific region boundaries or any error checking for the result?

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• how to get the http header in asynchronous request mode using ASIHHTTP

  - by user262325

  Hello everyone I hope to display the download file size by reading http header. I know there is way do this: ASIHTTPRequest request = [ASIHTTPRequest requestWithURL:url]; [request startSynchronous]; NSString poweredBy = [[request responseHeaders] objectForKey:@"X-Powered-By"]; NSString *contentType = [[request responseHeaders] objectForKey:@"Content-Type"]; but this is Synchronous mode, in Asynchronous mode it can be done as below: (void)requestFinished:(ASIHTTPRequest *)request { unsigned long long contentLength = [request contentLength]; } but 'requestFinished' is at the end of download. Is there an event to get the http header info at the beginning of download? Thank interdev

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