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How to convert URL parameters to a JavaScript object?
... paramsToObject(entries); //{abc:"foo",def:"[asf]",xyz:"5"}
Using Object.fromEntries and spread
We can use Object.fromEntries (which is currently in stage 4), replacing paramsToObject with Object.fromEntries(entries).
The value pairs to iterate over are the list name-value pairs with the
ke...
Why can't I forward-declare a class in a namespace using double colons?
... still wouldn't work, because you can't declare a class within a namespace from outside that namespace. You have to be in the namespace.
So, you can in fact forward declare a class within a namespace. Just do this:
namespace Namespace
{
class Class;
};
...
Should I use an exception specifier in C++?
...is always better to let the application crash with an unhandled exception, from which you can retrieve a stack-trace, than to silently/violently die.
Write code that returns common errors and throws on exceptional occasions.
Error e = open( "bla.txt" );
if( e == FileNotFound )
MessageUser( "Fil...
How should I call 3 functions in order to execute them one after the other?
...ideo on YouTube: youtube.com/watch?v=y5mltEaQxa0 - and wrote up the source from the video here drive.google.com/file/d/1NrsAYs1oaxXw0kv9hz7a6LjtOEb6x7z-/… There are some more nuances like the catch missing in this example that this elaborates on. (use a different id in the getPostById() line or tr...
Regular expression for letters, numbers and - _
...ink that you need a little more. Note this doesn't match legal file names from a system perspective. That would be system dependent and more liberal in what it accepts. This is intended to match your acceptable patterns.
^([a-zA-Z0-9]+[_-])*[a-zA-Z0-9]+\.[a-zA-Z0-9]+$
Explanation:
^ Match th...
Measure elapsed time in Swift
... negative time. There is actually mach_absolute_time which does not suffer from this problem, so I am wondering why that one is not widely known. Maybe just because it is not well documented.
– Franklin Yu
May 25 '16 at 17:06
...
What exactly does big Ө notation represent?
...lanation
O(n) is asymptotic upper bound. If T(n) is O(f(n)), it means that from a certain n0, there is a constant C such that T(n) <= C * f(n). On the other hand, big-Omega says there is a constant C2 such that T(n) >= C2 * f(n))).
Do not confuse!
Not to be confused with worst, best and avera...
simulate background-size:cover on or
...
just a comment to prevent newbies from pulling their hair out: #video_background{ should be #videobackground{.
– carrabino
Oct 28 '13 at 2:26
...
How to insert tab character when expandtab option is on in Vim
...
You can disable expandtab option from within Vim as below:
:set expandtab!
or
:set noet
PS: And set it back when you are done with inserting tab, with "set expandtab" or "set et"
PS: If you have tab set equivalent to 4 spaces in .vimrc (softtabstop), ...
Why would you use String.Equals over ==? [duplicate]
...
It's entirely likely that a large portion of the developer base comes from a Java background where using == to compare strings is wrong and doesn't work.
In C# there's no (practical) difference (for strings) as long as they are typed as string.
If they are typed as object or T then see other ...