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Finding whether two geo-coordinates lie on the same road

- by Amarsh

Hi there, Given two geo-coordinates in (latitude,longitude) format, is it possible to find out if they lie on the same road? I want to do this programatically not visually. I can perhaps extract addresses and compare the street name, but since streets can change names over a long distance, this solution doesnt sem to work :( Cheers Amarsh

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Why is float getting rounded off in this Objective C / Cocoa code

- by Amarsh

I am doing a simple : float x = 151.185436; printf("x=%f",x); and the result is x=151.185440 Whats wrong here? I want to retain and print my original value of 151.185436 Thanks Amarsh

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html multiple frames navigation

- by Amarsh

Folks, I want to create a webpage with three panes (frameLeft, frameMiddle, frameRight) The content on leftmost pane is a list from file list.html Upon clicking on an item in the leftmost pane, it loads the corresponding html file (call it listLvl2.html) in the middle pane. This is also a list. Clicking further on an item in the middle pane…

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objective C NSString retain

- by Amarsh

If I create a String with [NSString StringWithFormat], do I have to [retain] it? My understanding is that convenience methods add the objects to autorelease pool. If that is the case, shouldnt we retain the object so that it doesnt get drained with pool at the end of the event loop?

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iphone audio plays on simulator but not on device

- by amarsh-anand

The following code plays well on the simulator but the audio doesnt play on the actual device. I have tries aif, wav and mp3 ... all three with the same behaviour. Please sugest what could be wrong. SystemSoundID aSound; AudioServicesCreateSystemSoundID(CFBundleCopyResourceURL(CFBundleGetMainBundle(),CFSTR("drop"), CFSTR("wav"), NULL),…

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iphone / objective C / how to encode a double[] for archiving

- by Amarsh

I am using double[] instead of NSArray. Would anyone know how to encode it for archiving

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objective c iphone : can we view console log on device

- by amarsh-anand

is there a way to view the console output as we are running an iphone App on the device? If not directly, is there an app on the App store which lets you view the log after the App has finished running?

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How can I read the HTML contents of the file which contains a button

- by Amarsh

Folks, I have a HTML file which contains a button called "Email this content to me". Upon pressing this button, I want the complete HTML content of the file to be emailed to me. Can someone tell me if there is a javascript function to do that. A short example would go a long way :) Thanks in advance

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bash grep finding java declarations

- by Amarsh

i have a huge .java file and i want to find all declared objects given the className. i think the declaration will always have the following signature: className objName; or className objName = or className objName= can someone suggest me a grep pattern which will find these signatures. I have the following (incomplete) : …

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html transparent background

- by amarsh-anand

I want to create a webpage with transparent background, a table and some text. I have seen posts related to this, but due to my lack of familiarity with css, I somehow cant get my code to work. I just want a transparent background, while this code is making everything transparent. Can someone kindly help. <html>…

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iPhone SDK : Inserting data in tables generated by XCode

- by Amarsh

I created a data model (.xcdatamodel) in Xcode, which created .sqlite file. I can see that it has a created a few tables for metadata, alongwith a table called ZENTITY (my managed object is called entity). Can I insert data from the sqlite prompt instead of doing it programmatically?

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html post issue

- by Amarsh

i have the following html code : <FORM name=frmmail> <input id="dochtmlContent" type="hidden" name="dochtmlContent" value="oldValue"/> <script>document.dochtmlContent="newValue"</script> </FORM> and later on in a javascrip function (which is called upn submit): …

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iphone storing password locally and sending it across to a server securely

- by amarsh-anand

I am writing an iPhone app which will start with asking the user to register with a login/passwd. These should be : Saved securely locally Send securely to a remote web-server What do I need to achieve the above? Say, for local storage, shall I save them in a file or database? Shall I encrypt it?…

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google maps clicking inside a polygon

- by amarsh-anand

The following javascript snippet is supposed to do the following: As the user clicks on the map, initialize headMarker and draw a circle (polygon) around it As the user clicks inside the circle, initialize tailMarker and draw the path between these two markers 1 is happening as expected. But as…

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I want to use Eclipse while the company I am working in uses WSAD 5.1

- by Amarsh

Folks, I have just joined a company where they are using WSAD 5.1 which is painfully slow. Their rationale for using it is taht the final deployment will be on Websphere server. I am used to Eclipse Europa and similar with JBoss as my app server. Is there a way that I can use Eclipse with Websphere…

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Timer based reminder in iPhone app

- by amarsh-anand

My app asks the user to fill in and save a form locally. I want him to be reminded 48 hrs after the app has been closed that he has a pending form. Is push notification the only way out? Does it cost money to use a provisioning service?

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google maps : given a point, how to find all points at a given road distance

- by amarsh-anand

In my app, the GPS picks the location of the vehicle. It is then supposed to put markers at all points where the vehicle could be if it drives for 1 KM in any direction (note that the roads may fork many times within his 1KM reach). Can someone suggest me how to do this. Thanks in advance.

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java tracing spaghetti code

- by Amarsh

Folks, I have just joined this company which has a huge source tree based upon JSP/Servlet and EJB 1.2. No documentation exists. The code has been written over seven years, with a large number of undocumented changes. Are there any tool tah can assist me in tracing the execution? Putting a…

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Storing CLLocationCoordinates2D in NSMutableArray

- by Amarsh

After some searching, I got the following solution : ref: http://stackoverflow.com/questions/1392909/nsmutablearray-addobject-with-mallocd-struct CLLocationCoordinate2D* new_coordinate = malloc(sizeof(CLLocationCoordinate2D)); new_coordinate->latitude = latitude;…

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Clicking inside a polygon in Google Maps

- by amarsh-anand

The included JavaScript snippet is supposed to do the following: As the user clicks on the map, initialize headMarker and draw a circle (polygon) around it As the user clicks inside the circle, initialize tailMarker and draw the path between these two markers 1…

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google maps plot route between two points

- by amarsh-anand

I have written this innocent javascript code, which lets the user create two markers and plot the route between them. It doesnt work, instead, it gives a weird error: Uncaught TypeError: Cannot read property 'ya' of undefined Can someone suggest me whats wrong…

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bash string replacing a some char with another

- by Amarsh

folks, i have a string like AxxBCyyyDEFzzLMN I want to replace all x and y and z with _ so that the output is A_BC_DEF_LMN How to do that? I know a series of tr 'x' '' | tr 'y' '' will work, but I want to do taht in one go, without using pipes thanks in…

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