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$(this).serialize() — How to add a value?
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While matt b's answer will work, you can also use .serializeArray() to get an array from the form data, modify it, and use jQuery.param() to convert it to a url-encoded form. This way, jQuery handles the serialisation of your extra data for you.
var data = $(this).serializeArray(); /...
How do I make the return type of a method generic?
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private static T[] prepareArray<T>(T[] arrayToCopy, T value)
{
Array.Copy(arrayToCopy, 1, arrayToCopy, 0, arrayToCopy.Length - 1);
arrayToCopy[arrayToCopy.Length - 1] = value;
return (T[])arrayToCopy;
}
I was pe...
How to convert URL parameters to a JavaScript object?
...ifferently.
A common use case will be to join the two same values into an array, making the output object into:
{foo: ["first_value", "second_value"]}
This can be achieved with the following code:
const groupParamsByKey = (params) => [...params.entries()].reduce((acc, tuple) => {
// get...
How can I generate UUID in C#
...smitting the bytes (for example, as base64), you can't just use Guid.ToByteArray() and encode it. You'll need to Array.Reverse the first three parts (Data1-3).
I do it this way:
var rfc4122bytes = Convert.FromBase64String("aguidthatIgotonthewire==");
Array.Reverse(rfc4122bytes,0,4);
Array.Reverse(...
Are there strongly-typed collections in Objective-C?
...ve-C, they will generate compiler warnings if there is a type mismatch.
NSArray<NSString*>* arr = @[@"str"];
NSString* string = [arr objectAtIndex:0];
NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializing 'NSNumber *' with an expression of type 'NSStri...
What's the best way to build a string of delimited items in Java?
...sb.toString();
}
Then use it like so:
List<String> list = new ArrayList<String>();
if( condition ) list.add("elementName");
if( anotherCondition ) list.add("anotherElementName");
join(list, ",");
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make arrayList.toArray() return more specific types
So, normally ArrayList.toArray() would return a type of Object[] ....but supposed it's an
Arraylist of object Custom , how do I make toArray() to return a type of Custom[] rather than Object[] ?
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Custom exception type
... of Babel, you cannot extend any built-in JavaScript classes such as Date, Array, DOM or Error.
The issue is described here:
Native extends breaks HTMLELement, Array, and others
an object of The class which is extends by base type like Array,Number,Object,String or Error is not instanceof this cl...
Check if UIColor is dark or bright?
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You can use NSArray *components = (NSArray *)CGColorGetComponents([UIColor CGColor]); to get an array of the colour components, including the alpha. The docs don't specify what order they're in but I assume it would be red, green, blue, al...
How to initialize a vector in C++ [duplicate]
I want to initialize a vector like we do in case of an array.
2 Answers
2
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