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C# generic type constraint for everything nullable
...valent to OR in generics. However I can propose to use default key word in order to create null for nullable types and 0 value for structures:
public class Foo<T>
{
private T item;
public bool IsNullOrDefault()
{
return Equals(item, default(T));
}
}
You could also i...
get and set in TypeScript
... myFoo.bar = false; // calls the setter and passes false
}
However, in order to use it at all, you must make sure the TypeScript compiler targets ECMAScript5. If you are running the command line compiler, use --target flag like this;
tsc --target ES5
If you are using Visual Studio, you must ...
How can I find the number of arguments of a Python function?
...t offers a similar interface to getargspec (a single callable argument) in order to grab the arguments of a function while also handling some additional cases that getargspec doesn't:
from inspect import getfullargspec
def someMethod(self, arg1, kwarg1=None):
pass
args = getfullargspec(someMe...
Unable to Connect to GitHub.com For Cloning
...
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How can I brew link a specific version?
...ds:
$ brew update
$ brew install swiftgen
then follow the steps below in order to run swiftgen with older version.
Step 1: brew uninstall swiftgen
Step 2: Navigate to: https://github.com/SwiftGen/SwiftGen/releases
and download the swiftgen with version: swiftgen-4.2.0.zip.
Unzip the package in a...
Undoing accidental git stash pop
...t was not good for patch; also I had to provide the -p1 option to patch in order to strip the a/.. and b/.. element that git diff puts in front of the files otherwise it would not resolve the paths from the repository root. SUGGESTION: be cautious and commit the mess in a separate branch before play...
Installing MSBuild 4.0 without Visual Studio 2010
...applications. I'm assuming this is the SDK we have all been looking for in order to install on our build servers so I'm downloading it now and I'll post any further findings after I check it out.
UPDATE: I can confirm that the link provided above does indeed install MSBuild along with other portion...
Make virtualenv inherit specific packages from your global site-packages
... Then I could install it back in the virtualenv and in the system (in that order). So now it works fine.
– kstenger
Aug 28 '15 at 12:46
3
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window.onload vs document.onload
...the load event.
A load event is dispatched at the window.
Therefore, the order of execution will be
DOMContentLoaded event listeners of window in the capture phase
DOMContentLoaded event listeners of document
DOMContentLoaded event listeners of window in the bubble phase
load event listeners (in...
How does the MapReduce sort algorithm work?
...the partition into its own mini partition, perhaps by the key alphabetical order. So, in partition 1, get me all the things that starts with A and output it into mini partition A of x. Create a new A(x) if currently there is an A(x) already. Replace x with sequential number (perhaps this is the s...