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vs in Generics
...See Covariance and contravariance for details.
The classic example is IEnumerable<out T>. Since IEnumerable<out T> is covariant, you're allowed to do the following:
IEnumerable<string> strings = new List<string>();
IEnumerable<object> objects = strings;
The second ...
Apache Spark: The number of cores vs. the number of executors
...th six nodes running NodeManagers, each
equipped with 16 cores and 64GB of memory. The NodeManager capacities,
yarn.nodemanager.resource.memory-mb and
yarn.nodemanager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the re...
Nullable type issue with ?: Conditional Operator
Could someone explain why this works in C#.NET 2.0:
5 Answers
5
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Difference between web reference and service reference?
...+1 for adding that any standard web service with a properly formatted WSDL meets the criteria
– sidney.andrews
Mar 4 '10 at 12:51
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Custom events in jQuery?
I'm looking for some input on how to implement custom eventhandling in jquery the best way. I know how to hook up events from the dom elements like 'click' etc, but I'm building a tiny javascript library/plugin to handle some preview functionality.
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C#: Raising an inherited event
...
In your base class (where you have declared the events), create protected methods which can be used to raise the events:
public class MyClass
{
public event EventHandler Loading;
public event EventHandler Finished;
protected virtual void OnLoading(EventArgs e)
{
EventHandler ha...
What does the M stand for in C# Decimal literal notation?
...
It means it's a decimal literal, as others have said. However, the origins are probably not those suggested elsewhere in this answer. From the C# Annotated Standard (the ECMA version, not the MS version):
The decimal suffix ...
How to use the pass statement?
...ss of learning Python and I have reached the section about the pass statement. The guide I'm using defines it as being a Null statement that is commonly used as a placeholder.
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how to get the cookies from a php curl into a variable
So some guy at some other company thought it would be awesome if instead of using soap or xml-rpc or rest or any other reasonable communication protocol he just embedded all of his response as cookies in the header.
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How to hide output of subprocess in Python 2.7
...ing eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message:
5 Answers
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