IP2Location
and
GeoBytes IP Locator
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Showing posts with label Internet. Show all posts
Showing posts with label Internet. Show all posts
Monday, November 17, 2008
Track the Location of an IP Address
IP2Location
and
GeoBytes IP Locator
Read more!
Monday, November 10, 2008
Another Mobile Browser - Mozilla Fennec - under Alpha Testing
Here is the brief feature list and working UI for Fennec.
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Monday, November 3, 2008
My New Google Android G1 Phone
After begging for an activated TMobile SIM from one of my collegues, I was able to set up my G1 phone. After setting up the phone, I replaced the SIM with the unactivated TMobile SIM card coming with the phone, and I was able to use the Wi-Fi connection. So far, I only experienced G1 applications using Wi-Fi connections.
The browser on G1 is really amazing, and it renders a lot of pages that can't be loaded into the browser that is built into the BlackBerry.
There are several issues that concerns me:
- I got a Bronze one and it is a little bit difficult to see the letter once the bakc light is on. So far, this is ok for me.
- the GPS is not working very well. It is not very acurate and sometimes, it doesn't work
- I can't manage to install G1 applications from Android Market. This really bothers me, because I am eager to try those applications.
...
UPDATE: I was able to install G1 application from Android Market using Wi-Fi. I guess during the time when I tested, the network is not quite stable.
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Tuesday, October 14, 2008
Safari Fails to Include the Successful Controls in the Form Data Set
<form action="fake_action" method="POST"> <button name="disable" value="Deactivate Account" type="submit" onclick="click();">Deactivate Account</button> </form>
For the above form, the name/value pair for the submit button should be included in the data set when the form is submitted (i.e., the submit button is clicked). When I run the above form in Safari, the server app doesn't get
NAME VALUE disable Deactivate Account
in the form data. However, if I remove the onclick event in the submit button control, the server app get the data I expect.
UPDATE:
Here is the link to the standalone test
it is a simple form with 4 different kinds of submit buttons, and here is the source code for the html page
<html>
<head>
<title>A simple form</title>
<script type='text/javascript'>
function test(){
document.forms[0].submit();
}
</script>
</head>
<body>
<form action="formsubmit.php" method="POST">
<input name="disable1" value="Deactivate Account(submit button with onclick)" type="submit" onclick="test()">
<input name="disable2" value="Deactivate Account(submit button w/o onclick)" type="submit">
<button name="enable1" value="Activate Account(submit push button with onclick)" type="submit" onclick="test();">Activate Account(submit push button with onclick)</button>
<button name="enable" value="Activate Account(submit push button w/o onclick)" type="submit">Activate Account(submit push button w/o onclick)</button>
</form>
</body>
</html>
here is the source code for formsubmit.php, which simply print out the successful control sent to the server (any one of those submit buttons)
<html>
<head>
<title>Submit Form</title>
</head>
<body>
<?php
foreach ($_POST as $item) {
print $item;
}
?>
</body>
</html>
basically, I only get successful control for those submit buttons without onclick event handler, which does nothing, but call the form submit method in this test case, while I got all submit buttons in Firefox.
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Friday, September 5, 2008
What we can do with String.replace()
The basic syntax for it is
var newString = str.replace(regexp/substr, newSubStr/function[, flags]);
It finds a match by either a regular expression or a string, and replaced it with the new string or the result of a function. For example,
var string = "hello world, user1 user";
var newString = string.replace("user", "thunder planet");
//the newString is "hello world, thunder planet1 user
var newString1 = string.replace(/user$/, "thunder planet")
//newString1 is "hello world, user1 thunder planet
The replacement string can include those special patterns
- $$ -- a '$'
- $& -- the matched substring
- $` -- the portion of string that precedes the matched string
- $' -- the portion of string that follows the matched string
- $n -- if the matched string is specified using a regular expression, it gives the group in the regular expression
Please see the following examples:
var string = "hello world user"
var newString = string.replace("user", "$$");
//newString is "hello world $"
var newString1 = string.replace("user", "$&");
//newString1 is the same with string
var newString2 = string.replace("user", "$`");
//newString2 is "hello world hello world"
var newString3 = string.replace("user", "$'");
//newString3 is "hello world "
string = "Hello, John Smith";
var newString4 = string.replace(/(\w+)\s(\w+)$/g, "$2,$1")
//newString4 is "Hello, Smith,John"
The definition to the replacement function depends on whether you are using regular expression and how many groups are in the regular expression. Basically, the replacement function is in form of
function replacer(str, p1, ..., pn, offset, s)
The first parameter is the matched string, and the following n (n can be zero) parameters represent the groups in the regular expression, offset is the offset for the matched string, and the last parameter is the whole string.
function replacer(str, p1, p2, offset, s){
return "{" + str + "/" + p1 + "/" + p2 + "/" + offset + "/" + s + "}";
}
function replacer1(str, p1, offset, s){
return "{" + str + "/" + p1 + "/" + offset + "/" + s + "}";
}
"XXzzzz---Xz--XXzzz".replace(/(X+)(z+)/g, replacer)
//result is "{XXzzzz/XX/zzzz/0/XXzzzz---Xz--XXzzz}---{Xz/X/z/9/XXzzzz---Xz--XXzzz}--{XXzzz/XX/zzz/13/XXzzzz---Xz--XXzzz}"
"XXzzzz---Xz--XXzzz".replace(/(X+z+)/g, replacer)
//result is "{XXzzzz/XXzzzz/0/XXzzzz---Xz--XXzzz/undefined}---{Xz/Xz/9/XXzzzz---Xz--XXzzz/undefined}--{XXzzz/XXzzz/13/XXzzzz---Xz--XXzzz/undefined}
"XXzzzz---Xz--XXzzz".replace(/(X+z+)/g, replacer1)
//result is "{XXzzzz/XXzzzz/0/XXzzzz---Xz--XXzzz}---{Xz/Xz/9/XXzzzz---Xz--XXzzz}--{XXzzz/XXzzz/13/XXzzzz---Xz--XXzzz}"
"XXzzzz---Xz--XXzzz".replace("Xz", replacer1, "g")
//result is "X{Xz/1/XXzzzz---Xz--XXzzz/undefined}zzz---{Xz/9/XXzzzz---Xz--XXzzz/undefined}--X{Xz/14/XXzzzz---Xz--XXzzz/undefined}zz"
"XXzzzz---Xz--XXzzz".replace(/X+z+/g, replacer1)
//result is "{XXzzzz/0/XXzzzz---Xz--XXzzz/undefined}---{Xz/9/XXzzzz---Xz--XXzzz/undefined}--{XXzzz/13/XXzzzz---Xz--XXzzz/undefined}"
So the replacement function depends on the first argument in the String.replace function.
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Wednesday, September 3, 2008
Web on PSP
Web design for the Sony PSP
What Browser Does the SONY PSP Use?
The big issue with the browser on PSP is lacking support of DOM and AJAX. For example, it doesn't support innerHTML or document.createElement/document.appendChild. The only thing it supports is document.write. There is no support of XMLHttpRequest object either. It only supports flash 6, which is also disappointing.
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