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How to convert an Array to a Set in Java
I would like to convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like:
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Best way to merge two maps and sum the values of same key?
I want to merge them, and sum the values of same keys. So the result will be:
15 Answers
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
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How to automatically convert strongly typed enum into int?
The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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How to split a large text file into smaller files with equal number of lines?
I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being ev...
How to empty (clear) the logcat buffer in Android [duplicate]
How can I empty (clear) the logcat buffer in Android?
4 Answers
4
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How can I trim all strings in an Array? [duplicate]
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zerkmszerkms
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Simple 'if' or logic statement in Python [closed]
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If key isn't an int or float but a string, you need to convert it to an int first by doing
key = int(key)
or to a float by doing
key = float(key)
Otherwise, what you have in your question should work, but
if (key < 1) or (key > 34):
or
if...
Convert all strings in a list to int
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poke
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answered Sep 10 '11 at 0:30
cheekencheeken
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How can I check ModelState.IsValid from inside my Razor view [duplicate]
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Is model state available in the view?
Of course:
@if (!ViewData.ModelState.IsValid)
{
<div>There are some errors</div>
}
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