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Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...
Odd behavior when Java converts int to byte?
Mindboggling. Why is the output -124 ?
11 Answers
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Scala Doubles, and Precision
...e or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
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Grep characters before and after match?
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187
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...
Can I add jars to maven 2 build classpath without installing them?
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edited Aug 9 at 15:39
Spooky
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answered ...
Safely limiting Ansible playbooks to a single machine?
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13 Answers
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Any reason not to use '+' to concatenate two strings?
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122
There is nothing wrong in concatenating two strings with +. Indeed it's easier to read than ''...
Insert into a MySQL table or update if exists
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11 Answers
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
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161
Create an environment.plist file in ~/Library/LaunchAgents/ with this content:
<?xml versi...
undefined reference to boost::system::system_category() when compiling
I'm trying to compile a program on Ubuntu 11.10 that uses the Boost libraries. I have the 1.46-dev Boost libraries from the Ubuntu Repository installed, but I get an error when compiling the program.
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