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What does the function then() mean in JavaScript?
...call takes a callback function that is executed when the server
responds.
Now of course the more levels of nesting we have, the harder the code is to read, debug,
maintain, upgrade, and basically work with. This is generally known as callback hell.
Also, if we needed to handle errors, we need to po...
Interface type check with Typescript
...ou want without the instanceof keyword as you can write custom type guards now:
interface A{
member:string;
}
function instanceOfA(object: any): object is A {
return 'member' in object;
}
var a:any={member:"foobar"};
if (instanceOfA(a)) {
alert(a.member);
}
Lots of Members
If you ...
How to convert floats to human-readable fractions?
...t;(double)0x7FFFFFFF) break; // AF: representation failure
}
/* now remaining x is between 0 and 1/ai */
/* approx as either 0 or 1/m where m is max that will fit in maxden */
/* first try zero */
printf("%ld/%ld, error = %e\n", m[0][0], m[1][0],
startx - ((double) ...
How to install the current version of Go in Ubuntu Precise
...
This is annoying now that you have to bootstrap 1.5+ with a 1.4+ build.
– jocull
Jan 2 '16 at 17:17
add a comment
...
Custom views with Storyboard
...Document Outline and you can hook up actions and references there too:
Now, the problem that remains is that you can't actually see the view no matter how many times you try to click or double click, which would defeat the whole purpose of putting it in the same storyboard. Fortunately there are...
Embedding JavaScript engine into .NET [closed]
...ventually decided to give control to the community. Consequently there is now a new release that includes many bug fixes. Unfortunately JavaScript callbacks from .Net are not yet supported.
– Oliver Bock
Feb 9 '12 at 23:43
...
Browser statistics on JavaScript disabled [closed]
...ree, but I don't think that's the case. Just my opinion, but JavaScript is now a basic language of the web and I think it's time we stopped making excuses to add work for ourselves for an incredibly small minority of people who CHOOSE to limit their experience usually for outdated reasons.
...
Can't compile project when I'm using Lombok under IntelliJ IDEA
...nally, rename lombok to Project Lombok 1.18.8.
Click OK.
The project can now import from the lombok package and use Project Lombok annotations (e.g., lombok.Setter and lombok.Getter).
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impr...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...se, I need to test my code on Internet Explorer 6 and Internet Explorer 7. Now Internet Explorer 8 has some great tools for developer, which I'd like to use. I'd also like to start testing my code with Internet Explorer 8, as it will soon be released.
...
Numpy where function multiple conditions
...ue, False, False, False, False, False,
False, False], dtype=bool)
Now you can call np.where on the combined boolean array:
In [239]: np.where((dists >= r) & (dists <= r + dr))
Out[239]: (array([10, 11, 12]),)
In [240]: dists[np.where((dists >= r) & (dists <= r + dr))]
...