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Python “raise from” usage
...ry:
... print(1 / 0)
... except Exception as exc:
... raise RuntimeError("Something bad happened") from exc
...
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
ZeroDivisionError: int division or modulo by zero
The above exception was the direct cause of ...
Passing arguments forward to another javascript function
....log(arguments)
}
a(1, 2, 3)
Note This snippet returns a syntax error if your browser still uses ES5.
Editor's note: Since the snippet uses console.log(), you must open your browser's JS console to see the result - there will be no in-page result.
It will display this result:
In shor...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
...t compile but doesn't execute (TypeLoadException). PEVerify returns: [MD]: Error: TypeDef that is not an Interface and not the Object class extends Nil token.
– xanatos
Apr 2 '15 at 8:52
...
Foreign Key naming scheme
...cause when you have a huge db with a lot of keys and tables and you get an error during a schema update in your software it's pretty hard to find where the foreign key is even defined without doing a search of a database create script.
– JohnC
Apr 11 '12 at 0:0...
Checking if an instance's class implements an interface?
...ectSupposedToBeImplementing) {
//.....
}
It will throw an recoverable error if the $objectSupposedToBeImplementing does not implement YourInterface Interface.
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Is using 'var' to declare variables optional? [duplicate]
... false
delete bar; // true
delete baz; // true
foo; // 1
bar; // ReferenceError
baz; // ReferenceError
This is why you should always use var, even for global variables.
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Regexp Java for password validation
...st efficient variant (but hardest to read and maintain, therefore the most error-prone) would be (?=[^xyz]*[xyz]), of course. For a regex of this length and for this purpose, I would dis-recommend doing it that way, as it has no real benefits.
...
What is Haskell used for in the real world? [closed]
...ation is a really nice feature:
Even if something would usually cause an error, it will still work as long as you don't use the result. For example, you could put 1 / 0 as the first item of a list and it will still work if you only used the second item.
It is easier to write search programs such a...
Split long commands in multiple lines through Windows batch file
...rm: execute cmd2.bat iff cmd1.bat executed successfully (-without setting %errorcode%). The latter form executes unconditionally. Somewhat unexpected (at least for me) is that, obviously, you can't use the combination of both + i.e. add && before the line break.
– Paul ...
What is jQuery Unobtrusive Validation?
...wise, there will be text near the offending form fields that indicates the error.
References:
- jQuery Validation: https://jqueryvalidation.org/documentation/
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