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(Deep) copying an array using jQuery [duplicate]
I need to copy an (ordered, not associative) array of objects. I'm using jQuery. I initially tried
8 Answers
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How should I read a file line-by-line in Python?
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How to get all Errors from ASP.Net MVC modelState?
...given so far, you can get exceptions occuring without error messages being set, so to catch all problems you really need to get both the ErrorMessage and the Exception.
String messages = String.Join(Environment.NewLine, ModelState.Values.SelectMany(v => v.Errors)
...
Meaning of Git checkout double dashes
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How to use LINQ to select object with minimum or maximum property value
...de those entries with null DateOfBirth field:
Null DateOfBirth values are set to DateTime.MaxValue in order to rule them out of the Min consideration (assuming at least one has a specified DOB).
It can be achieved with a pre-filtering
people.Where(p => p.DateOfBirth.HasValue)
So it's immateria...
How do I run a Python program?
...fy your head). For our example something like,
> cd C:\Documents and Settings\Gregg\Desktop\pyscripts
try:
> python first.py
If you get this message:
'python' is not recognized as an
internal or external command, operable
program or batch file.
then python (the interpreter pr...
How can I output leading zeros in Ruby?
I'm outputting a set of numbered files from a Ruby script. The numbers come from incrementing a counter, but to make them sort nicely in the directory, I'd like to use leading zeros in the filenames. In other words
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How do I get the number of days between two dates in JavaScript?
...mewhat clunky. Instead, by explicitly accounting for changes to the UTC offset when DST begins or ends, we can use exact arithmetic:
function treatAsUTC(date) {
var result = new Date(date);
result.setMinutes(result.getMinutes() - result.getTimezoneOffset());
return result;
}
function d...
How to check if a variable is set in Bash?
How do I know if a variable is set in Bash?
33 Answers
33
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Using try vs if in python
...a few measurements:
>>> import timeit
>>> timeit.timeit(setup="a=1;b=1", stmt="a/b") # no error checking
0.06379691968322732
>>> timeit.timeit(setup="a=1;b=1", stmt="try:\n a/b\nexcept ZeroDivisionError:\n pass")
0.0829463709378615
>>> timeit.timeit(setup="a=1;b=...