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Minimizing NExpectation for a custom distribution in Mathematica
...g from that guess
FindMinimum[MRL[start], {start, 0.05}]
and after some errors (your function is not defined below 0, so I guess the minimizer pokes a little in that forbidden region) we get
{0.0418137, {start -> 0.0584312}}
So the optimum should be at start = 0.0584312 with a mean residual ...
Executing injected by innerHTML after AJAX call
...ch does get executed).
An example of how to used the success callback and error callback after fetching some content:
$.ajax({
type: 'GET',
url: 'response.php',
timeout: 2000,
success: function(data) {
$("#content").html(data);
myFunction();
},
error: function...
View array in Visual Studio debugger? [duplicate]
...Express. If I add an expression "a+1,2" in the Watch Window, the foloowing error will occur: "error: + cannot be performed on 'pArray' and '1'". What version of VS are you using?
– An Cong Tran
Jun 14 '14 at 17:03
...
Using python map and other functional tools
This is quite n00bish, but I'm trying to learn/understand functional programming in python. The following code:
9 Answers
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Parsing boolean values with argparse
...ther solution using the previous suggestions, but with the "correct" parse error from argparse:
def str2bool(v):
if isinstance(v, bool):
return v
if v.lower() in ('yes', 'true', 't', 'y', '1'):
return True
elif v.lower() in ('no', 'false', 'f', 'n', '0'):
return F...
Is there any difference between a GUID and a UUID?
...
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Oldest
Votes
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findViewByID returns null
...tunately this is what I had done. The debugger is no use since it said the error was at my new intent line not in the actual new activity I was calling. Thanks!
– edude05
Apr 13 '12 at 1:23
...
mongo - couldn't connect to server 127.0.0.1:27017
...
This error is what you would see if the mongo shell was not able to talk to the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does ...
Which is preferred: Nullable.HasValue or Nullable != null?
...uming SomeNullable is an int?).
While SomeNullable.Value gets us a runtime error if we assigned null to SomeNullable. This is in fact the only case where nullables could cause us a problem, thanks to a combination of overloaded operators, overloaded object.Equals(obj) method, and compiler optimizati...
Check synchronously if file/directory exists in Node.js
... await fs.promises.access("somefile");
// The check succeeded
} catch (error) {
// The check failed
}
Or with a callback:
fs.access("somefile", error => {
if (!error) {
// The check succeeded
} else {
// The check failed
}
});
Historical Answers
Here ar...