json framework

Simple step to teach you how to implement json framework to parse json string



Example



HTTP POST Restful

NSDictionary *data = [[NSDictionary alloc] initWithObjectsAndKeys:
username, USERNAMEKEY,
password, PASSWORDKEY,
nil];
SBJsonWriter *json = [SBJsonWriter alloc];
NSString *jsonString = [json stringWithObject:data];
NSLog(jsonString);


[data release];
[json release];

//create/send http post request
NSData *postData = [jsonString dataUsingEncoding:NSASCIIStringEncoding];

NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString:@"http://abc.appspot.com/api/login/"]];
[request setHTTPMethod:@"POST"];
[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[request setHTTPBody:postData];

Full article

WCF Restful service basic 101

This tutorial gives you basic overview of WCF Restful with the template.

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Turn on Friendly URL

In the file /config/UrlRewriting.config one can place rules for rewriting URLs. Just add a rule like this.

virtualUrl="^~/blog/tag/(.*).aspx"
rewriteUrlParameter="ExcludeFromClientQueryString"
destinationUrl="~/blog.aspx?filterBy=$1"
ignoreCase="true"
/>


Refer to this post for more info.

worldpay integration

The tricky part of the worldpay integration is about the redirecting. There is no way for you to specify where to redirect the user to a destinate page when the payment is completed.

Instead worldpay use the concept of proxy calling, which will call you page indirectly, in fact it is the Payment Response URL that you specify in installations after you login to worldpay page.

IF you didnt set the checkbox for [Enable the Shopper Response], user will not see the redirect.

In conclusion, the trick is to use point the Payment URL to PAGE A, then in PAGE A you include

< meta http-equiv=' refresh ' content=" 0 ; url = http://YOUR FINAL URL" / >

You will show you thank you message in your final URL.

Last point is to make sure you captured the transaction information that pass to you from worldpay in the Payment Response URL page.

Refer to this article http://harrybailey.com/2010/02/worldpay-response-url-shopper-return/.

How to dynamically apply globalization on keyword retrieved from various sources

One of the common requirement is to apply globalization on the keyword that retrieved from sql database to make your content dynamic.

The below is the example, where output is the KEYValue of the KEYWORD in ResourceCLASSNAME

string output = HttpContext.GetGlobalResourceObject("ResourceCLASSNAME", "KEYWORD").ToString();

Google Mapl Play back

1. very good example
2. complex example
3. click to show the point example
4. example in flex

motivating clips from Steve Jobs

This is one of the must watch motivating video