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Rails: Check output of path helper from console
...le, you can call app.post_path. This will work in Rails ~= 2.3 and >= 3.1.0.
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Rounding BigDecimal to *always* have two decimal places
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contenteditable, set caret at the end of the text (cross-browser)
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placeCaretAtEnd( document.querySelector('p') );
p{ padding:.5em; border:1px solid black; }
<p contentEditable>foo bar </p>
Placing the caret at the start is almost identical: it just requires changing the Boolean passed into the calls to collapse(). Here's an example that crea...
Invoke a callback at the end of a transition
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144
You want to listen for the "end" event of the transition.
// d3 v5
d3.select("#myid").transit...
Using sed, how do you print the first 'N' characters of a line?
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211
Don't use sed, use cut:
grep .... | cut -c 1-N
If you MUST use sed:
grep ... | sed -e 's/^\...
Detect & Record Audio in Python
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106
As a follow up to Nick Fortescue's answer, here's a more complete example of how to record fro...
Select multiple records based on list of Id's with linq
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214
You can use Contains() for that. It will feel a little backwards when you're really trying to ...
SQL standard to escape column names?
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Quotation Mark "
The SQL:1999 standard specifies that double quote (") (QUOTATION MARK) is used to delimit identifiers.
<delimited identifier> ::= <double quote> <delimited identifier body> <double quote>
Oracle, PostgreSQL...
What is the proper way to check if a string is empty in Perl?
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134
For string comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != op...
getResourceAsStream() vs FileInputStream
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edited Jun 20 at 9:12
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answered Feb 22 '10 at 1:59
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