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How can I use NSError in my iPhone App?
...ictionary to be used to populate error object
NSMutableDictionary* details = [NSMutableDictionary dictionary];
[details setValue:@"ran out of money" forKey:NSLocalizedDescriptionKey];
// populate the error object with the details
*error = [NSError errorWithDomain:@"wo...
Using Html.ActionLink to call action on different controller
...onName, controllerName, routeValues, htmlAttributes
<%=Html.ActionLink("Details", "Details",
"Product", new {id = item.ID}, null) %>
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Abstraction VS Information Hiding VS Encapsulation
...entity. Abstraction, as a process, denotes the extracting of the essential details about an item, or a group of items, while ignoring the inessential details. Abstraction, as an entity, denotes a model, a view, or some other focused representation for an actual item."
Information Hiding:
"Its inte...
How many Activities vs Fragments?
...uggested by the basic tutorial.
/**
* Helper function to show the details of a selected item, either by
* displaying a fragment in-place in the current UI, or starting a
* whole new activity in which it is displayed.
*/
void showDetails(int index)
{
mCurCheckPosi...
How to trigger event in JavaScript?
...r
document.addEventListener("name-of-event", function(e) {
console.log(e.detail); // Prints "Example of an event"
});
// Create the event
var event = new CustomEvent("name-of-event", { "detail": "Example of an event" });
// Dispatch/Trigger/Fire the event
document.dispatchEvent(event);
For old...
Normalizing mousewheel speed across browsers
...dleScroll = function(evt){
if (!evt) evt = event;
var direction = (evt.detail<0 || evt.wheelDelta>0) ? 1 : -1;
// Use the value as you will
};
someEl.addEventListener('DOMMouseScroll',handleScroll,false); // for Firefox
someEl.addEventListener('mousewheel', handleScroll,false); // for...
Getting the location from an IP address [duplicate]
...
"phone": 650
}
Here's a PHP example:
$ip = $_SERVER['REMOTE_ADDR'];
$details = json_decode(file_get_contents("http://ipinfo.io/{$ip}/json"));
echo $details->city; // -> "Mountain View"
You can also use it client-side. Here's a simple jQuery example:
$.get("https://ipinfo.io/json",...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
...File Name & File Size from Uri in my project.
/**
* Used to get file detail from uri.
* <p>
* 1. Used to get file detail (name & size) from uri.
* 2. Getting file details from uri is different for different uri scheme,
* 2.a. For "File Uri Scheme" - We will get file from uri &...
psql: FATAL: Ident authentication failed for user “postgres”
... need for a password or any
other authentication. See Section 19.3.1 for details.
reject
Reject the connection unconditionally. This is useful for "filtering
out" certain hosts from a group, for example a reject line could block
a specific host from connecting, while a later line all...
Has Facebook sharer.php changed to no longer accept detailed parameters?
..., I use the php function urlencode(); like this:
<?php echo urlencode($detail->title); ?>
And working fine for me.
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