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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...
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 ...
express.js - single routing handler for multiple routes in a single line
...oop(|la|lapoo|lul)/poo'],
function ( request, response ) {
}
);
From inside the request object, with a path of /hooplul/poo?bandle=froo&bandle=pee&bof=blarg:
"route": {
"keys": [
{
"optional": false,
"name": "farcus"
}
],
"cal...
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
...
AngularJS - How can I do a redirect with a full page load?
I want to do a redirect that does a full page reload so that the cookies from my web server are refreshed when the page loads. window.location = "/#/Next" and window.location.href = "/#/Next" don't work, they do an Angular route which does not hit the server.
...
What is the proper way to test if a parameter is empty in a batch file?
...
From IF /?:
If Command Extensions are enabled IF
changes as follows:
IF [/I] string1 compare-op string2 command
IF CMDEXTVERSION number command
IF DEFINED variable command
......
The DEFINED conditional work...
Is it possible to pull just one file in Git?
..., and I would like to pull (merge changes, not just overwrite) these tests from another branch where they are already fixed.
...
Make a link open a new window (not tab) [duplicate]
...re, that opening windows via javascript (if not done in the onclick event from an anchor element) are subject to getting blocked by popup blockers!
[1] This attribute dates back to the times when browsers did not have tabs and using framesets was state of the art. In the meantime, the functionalit...
How to create UILabel programmatically using Swift?
... You don't need to implicitly declare this as UILabel, it's inferred from UILabel()
– CW0007007
Jun 6 '14 at 12:31
5
...
Get DateTime.Now with milliseconds precision
...can't. Usually the system clock (which is where DateTime.Now gets its data from) has a resolution of around 10-15 ms. See Eric Lippert's blog post about precision and accuracy for more details.
If you need more accurate timing than this, you may want to look into using an NTP client.
However, it's...