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Javascript dynamically invoke object method from string
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if the name of the property is stored in a variable, use []
foo[method]();
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How to split a string, but also keep the delimiters?
...ve an obvious maximum length" trying to use this with a regex representing all real numbers.
– daveagp
May 28 '14 at 15:00
2
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UnboundLocalError on local variable when reassigned after first use
... The variable scope decision is made by the compiler, which normally runs once when you first start the program. However it is worth keeping in mind that the compiler might also run later if you have "eval" or "exec" statements in your program.
– Greg Hewgill
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How to output only captured groups with sed?
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Ask your sysadmin to install gsed. You'd be amazed at what a few donuts will get you...
– avgvstvs
Dec 11 '12 at 13:08
3
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How do I resolve ClassNotFoundException?
... Dependency resolution/version mismatches is a very common problem in basically all programming environments. We could say that all any program ever does is resolve such definitions... the question is always what/where is the definition and which version did you mean?
– masterx...
Find where java class is loaded from
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Here's an example:
package foo;
public class Test
{
public static void main(String[] args)
{
ClassLoader loader = Test.class.getClassLoader();
System.out.println(loader.getResource("foo/Test.class"));
}
}
This printed out...
Returning multiple objects in an R function [duplicate]
... way to handle this is to return a list object. So if you have an integer foo and a vector of strings bar in your function, you could create a list that combines these items:
foo <- 12
bar <- c("a", "b", "e")
newList <- list("integer" = foo, "names" = bar)
Then return this list.
After...
Comparing two collections for equality irrespective of the order of items in them
...WriteLine(comp.Equals(new[] {"a","b","c"}, new[] {"a","b"})); //false
Finally, you can use your an equality comparer of your choice:
var strcomp = new MultiSetComparer<string>(StringComparer.OrdinalIgnoreCase);
Console.WriteLine(strcomp.Equals(new[] {"a", "b"}, new []{"B", "A"})); //true
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How to execute shell command in Javascript
...Except for one thing. You'll get the error "child is not a function". The call to exec() executes the command - no need to call child(). Unfortunately, the callback isn't called whenever the child process has something to output - it is called only when the child process exits. Sometimes that's OK a...
is there a require for json in node.js
...ils here
file.js
import data from './folder/file.json'
export default {
foo () {
console.log(data)
}
}
And you call it with node --experimental-json-modules file.js
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