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Switch on ranges of integers in JavaScript [duplicate]
...:
alert("none");
break;
}
Keep in mind that this adds an extra point of human error - someone may try to update a range, but forget to change it in both places, leaving an overlap or gap that is not covered. e.g. here the case of 8 will now not match anything when I just edit the c...
When is it acceptable to call GC.Collect?
...h to be posted here for example), that shows the difference between looped string concatenation and StringBuilder.
If I need something precise, then this would be two completely independent tests - but often this is enough if we just want to minimize (or normalize) the GC during the tests to get a ...
What does enumerable mean?
...re that it's within the object.
var obj = { key: 'val' };
console.log('toString' in obj); // true
console.log(typeof obj.toString); // "function"
for (var key in obj)
console.log(key); // "key"
A property is identified as enumerable or not by its own [[Enumerable]] attribute. You can view...
Expert R users, what's in your .Rprofile? [closed]
...se it might breaks my coauthors' code, I wish it was the default. Why?
1) Character vectors use less memory (but only barely);
2) More importantly, we would avoid problems such as:
> x <- factor(c("a","b","c"))
> x
[1] a b c
Levels: a b c
> x <- c(x, "d")
> x
[1] "1" "2" "3" "...
What are the rules for calling the superclass constructor?
...s and the values to be passed to that classes constructor.
Class2::Class2(string id) : Class1(id) {
....
}
Also remember that if you have a constructor that takes no parameters on the parent class, it will be called automatically prior to the child constructor executing.
...
Permission denied on accessing host directory in Docker
...er, this specific case is different.
The dot at the end of the permission string, drwxr-xr-x., indicates SELinux is configured. When using a host mount with SELinux, you need to pass an extra option to the end of the volume definition:
The z option indicates that the bind mount content is sh...
How can I run MongoDB as a Windows service?
...he following error: Cannot open MongoDB service
on computer '.'.
At line:1 char:1
+ Start-Service MongoDB
+ ~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : OpenError: (System.ServiceProcess.ServiceController:ServiceController) [Start-Service],
ServiceCommandException
+ FullyQualifiedError...
How to ALTER multiple columns at once in SQL Server
... of the columns in your table to the same datatype (such as expanding a VARCHAR field from 50 to 100 chars), you can generate all the statements automatically using the query below. This technique is also useful if you want to replace the same character in multiple fields (such as removing \t from a...
Why does CSS not support negative padding?
... if more content overflows it, which is impossible if the content is in an extra abs-pos sibling. Negative padding would take the padding-collapsed element back to its size.
– sergio
Jul 19 '15 at 19:29
...
AngularJS : Why ng-bind is better than {{}} in angular?
...laim. What is done on every $digest though is that the interpolated result string is calculated. It's just not assigned to the text node unless it changes.
– Matti Virkkunen
Nov 24 '14 at 2:47
...