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How can I get the line number which threw exception?
...can also check the program debug database as it contains debug info/logs about the whole application.
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How to check if type of a variable is string?
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Edit based on better answer below. Go down about 3 answers and find out about the coolness of basestring.
Old answer:
Watch out for unicode strings, which you can get from several places, including all COM calls in Windows.
if isinstance(target, str) or isinstance(tar...
Does return stop a loop?
...i;
}
}
console.log(returnMe());
** Notes: See this other answer about the special case of try/catch/finally and this answer about how forEach loops has its own function scope will not break out of the containing function.
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Adding up BigDecimals using Streams
...mapping purposes.
invoices.stream().map(Invoice::total).forEach(System.out::println);
System.out.println("Sum = " + invoices.stream().map(Invoice::total).reduce((x, y) -> x.add(y)).get());
}
// This is just my style of writing classes. Yours can differ.
static class Invoice
{
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Explicit vs implicit SQL joins
...exactly the same (at least in SQL Server).
PS: Be aware that the IMPLICIT OUTER JOIN syntax is deprecated since SQL Server 2005. (The IMPLICIT INNER JOIN syntax as used in the question is still supported)
Deprecation of "Old Style" JOIN Syntax: Only A Partial Thing
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Best cross-browser method to capture CTRL+S with JQuery?
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Unfortunately it is out of date
– Cannicide
Sep 9 '17 at 15:25
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How to extract the year from a Python datetime object?
...().year
Of course, date doesn't have a time associated, so if you care about that too, you can do the same with a complete datetime object:
import datetime
year = datetime.datetime.today().year
(Obviously no different, but you can store datetime.datetime.today() in a variable before you grab th...
How to export all data from table to an insertable sql format?
... changing everything to N'' or to write your own replace utility to filter out the zeros (no text editor will handle it because zero just means end of the string).
– Martin Maat
Jun 2 '17 at 11:52
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log4j configuration via JVM argument(s)?
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Watch out if using Log4j 2 as the property name and syntax changed. See this answer.
– José Andias
Aug 22 '16 at 11:12
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Remove blank lines with grep
...s a (basic) regular expression by default. For this pattern, you may leave out -e entirely: grep -v '^[[:space:]]*$' foo.txt.
– Yeti
Jul 1 at 10:22
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