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How to convert list of tuples to multiple lists?
Suppose I have a list of tuples and I want to convert to multiple lists.
7 Answers
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C# Convert List to Dictionary
... odd thing to want to do but ignoring that, is there a nice concise way of converting a List to Dictionary where each Key Value Pair in the Dictionary is just each string in the List. i.e.
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PHP code to convert a MySQL query to CSV [closed]
What is the most efficient way to convert a MySQL query to CSV in PHP please?
6 Answers
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How do I get the current time zone of MySQL?
...knowing. Moral: Always store dates/times in GMT (which doesn't do DST) and convert to the desired timezone as/when necessary.
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How do I convert a Java 8 IntStream to a List?
...ist:
theIntStream.boxed().collect(Collectors.toList())
The boxed method converts the int primitive values of an IntStream into a stream of Integer objects. The word "boxing" names the int ⬌ Integer conversion process. See Oracle Tutorial.
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Chrome sendrequest error: TypeError: Converting circular structure to JSON
...r reference, something like:
var a = {};
a.b = a;
JSON.stringify cannot convert structures like this.
N.B.: This would be the case with DOM nodes, which have circular references, even if they are not attached to the DOM tree. Each node has an ownerDocument which refers to document in most cases....
Convert a List into an ObservableCollection
I have a List<T> which is being populated from JSON. I need to convert it into an ObservableCollection<T> to bind it to my GridView .
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How To Test if Type is Primitive
...t be interested in the following approach using System.TypeCode and System.Convert.
It is easy to serialize any type that is mapped to a System.TypeCode other than System.TypeCode.Object, so you could do:
object PropertyValue = ...
if(Convert.GetTypeCode(PropertyValue) != TypeCode.Object)
{
st...
Idiomatic way to convert an InputStream to a String in Scala
I have a handy function that I've used in Java for converting an InputStream to a String. Here is a direct translation to Scala:
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cannot convert data (type interface {}) to type string: need type assertion
... is an interface type, []i is not interface type. As a result, in order to convert []i to its value type, we have to do it individually:
// var items []i
for _, item := range items {
value, ok := item.(T)
dosomethingWith(value)
}
Performance
As for performance, it can be slower than dire...