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Does Typescript support the ?. operator? (And, what's it called?)
...rator (specifically, the "accessor variant" of the existential operator).
From CoffeeScript's documentation on Operators:
The accessor variant of the existential operator ?. can be used to soak up null references in a chain of properties. Use it instead of the dot accessor . in cases where the ...
jQuery $(document).ready and UpdatePanels?
...d only re-bind if needed.
Here is the latest version of the documentation from Microsoft: msdn.microsoft.com/.../bb383810.aspx
A better option you may have, depending on your needs, is to use jQuery's .on(). These method are more efficient than re-subscribing to DOM elements on every update. Rea...
Determining type of an object in ruby
...erm in the Ruby world, is to call object.class.
Since classes can inherit from other classes, if you want to determine if an object is "of a particular type" you might call object.is_a?(ClassName) to see if object is of type ClassName or derived from it.
Normally type checking is not done in Ruby,...
Can I create links with 'target=“_blank”' in Markdown?
...above the edge pop up window for login? Separate the login UI for websites from spoofed and fake login UI created by "lookalike" web pages. It might be more possible now where it was more difficult in the past.
– 1.21 gigawatts
Jul 27 '17 at 23:22
...
How much is too much with C++11 auto keyword?
...ng side effects, then it must be good to do so.
Counterexamples (borrowed from someone else's answers):
auto i = SomeClass();
for (auto x = make_unsigned (y); ...)
Here we DO care what the type is, so we should write Someclass i; and for(unsigned x = y;...
...
“unmappable character for encoding” warning in Java
... I added the compilearg in the ant script it worked ok, I was buildin this from a windows comandline, the strange thig is that I was buildin from eclipse it warked eaven withowt the compilearg, looks like that eclipse thakes care of the encoding right.
– simonC
...
What does the exclamation mark do before the function?
...ould seem to warrant. The unary operator ! (also ~, - and +) disambiguates from a function declaration, and allows the parens at the end () to invoke the function in-place. This is often done to create a local scope / namespace for variables when writing modular code.
– Tom Aug...
Are inline virtual functions really a non-sense?
...
Virtual functions can be inlined sometimes. An excerpt from the excellent C++ faq:
"The only time an inline virtual call
can be inlined is when the compiler
knows the "exact class" of the object
which is the target of the virtual
function call. This can happen only
...
Matplotlib make tick labels font size smaller
...
Thanks!! I appreciate the kind words, especially from you! Canonical is very relative, in this case. plt.setp is a "matlab-ism", and an explicit loop is probably much more pythonic. Being a matlab convert, myself, setp feels natural, but to each their own. Either one is q...
Python's equivalent of && (logical-and) in an if-statement
...
@Matt the table goes from lowest precedence to highest. It's easier to remember the precedence if you've studied boolean algebra; "or" is addition and "and" is multiplication.
– Michael Stroud
Dec 5 '17 at 1...