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How do I list one filename per output line in Linux?
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Use the -1 option (note this is a "one" digit, not a lowercase letter "L"), like this:
ls -1a
First, though, make sure your ls supports -1. GNU coreutils (installed on standard Linux systems) and Solaris do; but if in doubt, use...
How can I use Python to get the system hostname?
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11 Answers
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What does curly brackets in the `var { … } = …` statements do?
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They're both JavaScript 1.7 features. The first one is block-level variables:
let allows you to declare variables, limiting its scope to the block, statement, or expression on which it is used. This is unlike the var keyword, which defines a var...
Show a number to two decimal places
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1171
You can use number_format():
return number_format((float)$number, 2, '.', '');
Example:
$...
creating a random number using MYSQL
...ld like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 Answer...
How can I divide two integers to get a double?
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You want to cast the numbers:
double num3 = (double)num1/(double)num2;
Note: If any of the arguments in C# is a double, a double divide is used which results in a double. So, the following would work too:
double num3 = (double)num1/num2;
For more information see:
Dot Net P...
Make a negative number positive
...ers. However, I want any negatives numbers to be treated as positives. So (1)+(2)+(1)+(-1) should equal 5.
21 Answers
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Remove data.frame row names when using xtable
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1 Answer
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How to compare dates in datetime fields in Postgresql?
...ithout timezone'. Client can search over this field with only date (i.e: 2013-05-03) or date with time (i.e: 2013-05-03 12:20:00). This column has the value as timestamp for all rows currently and have the same date part(2013-05-03) but difference in time part.
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How to define a custom ORDER BY order in mySQL
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edited Nov 4 '19 at 10:56
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