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How to pass parameters in $ajax POST?
...
console.log("error");
});
Additionally, if you always send a JSON string, you can use $.getJSON or $.post with one more parameter at the very end.
$.post('superman', { field1: "hello", field2 : "hello2"},
function(returnedData){
console.log(returnedData);
}, 'json');
...
How to submit form on change of dropdown list?
I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet.
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How do I get currency exchange rates via an API such as Google Finance? [closed]
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'public static void main(String[] args) { String currencyPair = "USDEUR"; String address = "query.yahooapis.com/v1/public/yql?q=select * from yahoo.finance.xchange where pair in (\"" + currencyPair + "\")&env=store://datatables.org/a...
What's the best way to refactor a method that has too many (6+) parameters?
...erated properties and skip writing the constructors.
class C
{
public string S { get; set; }
public int I { get; set; }
}
new C { S = "hi", I = 3 };
However, you lose immutability, and you lose the ability to ensure that the required values are set before using the object at compile time...
Label on the left side instead above an input field
...s itself to width:100%. Needed to override that div to 50%. Then the label and input-group (datepicker) would fit in one line. (I wish it was cleaner without override though.)
– Turbo
Nov 15 '16 at 21:17
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How to create a protocol with methods that are optional?
...ly denote the semantics of
the default behavior. You can use
@optional and @required to partition
your protocol into sections as you see
fit. If you do not specify any
keyword, the default is @required.
@protocol MyProtocol
- (void)requiredMethod;
@optional
- (void)anOptionalMethod;
- ...
Get full path of the files in PowerShell
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Note that Select-Object returns PSCustomObject, not a string. It might not work if you use result as parameter for another program
– Chintsu
Aug 25 '15 at 20:08
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Detect all changes to a (immediately) using JQuery
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This jQuery code catches immediate changes to any element, and should work across all browsers:
$('.myElements').each(function() {
var elem = $(this);
// Save current value of element
elem.data('oldVal', elem.val());
// Look for changes in the value
elem.bind("prop...
What are C++ functors and their uses?
...rom class method, actually this is a delegate:
class SomeClass
{
std::string state_;
public:
SomeClass(const char* s) : state_(s) {}
void method( std::string param )
{
std::cout << state_ << param << std::endl;
}
};
SomeClass *inst = new SomeClass("Hi,...
What Automatic Resource Management alternatives exist for Scala?
...ported: try with resources by using Using :), Example:
val lines: Try[Seq[String]] =
Using(new BufferedReader(new FileReader("file.txt"))) { reader =>
Iterator.unfold(())(_ => Option(reader.readLine()).map(_ -> ())).toList
}
or using Using.resource avoid Try
val lines: Seq[Strin...