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What linux shell command returns a part of a string? [duplicate]
...
From the bash manpage:
${parameter:offset}
${parameter:offset:length}
Substring Expansion. Expands to up to length characters of
parameter starting at the character specified by offset.
[...]
Or, if you are not sure of ha...
Converting a string to int in Groovy
...ethods in Groovy 2.4.4
/**
* Parse a CharSequence into an Integer
*
* @param self a CharSequence
* @return an Integer
* @since 1.8.2
*/
public static Integer toInteger(CharSequence self) {
return Integer.valueOf(self.toString().trim());
}
/**
* @deprecated Use the CharSequence version
...
How to write to a file, using the logging Python module?
...ables holding the
respective info. of course, the values for the function params are up
to you.
the first time i was using the logging module i made the mistake of writing the following, which generates an OS file lock error (the
above is the solution to that):
import logging
from logging.handle...
Bash script to receive and repass quoted parameters
I'm trying to get quoted parameters of a bash script to safely be received by a nested script. Any ideas?
2 Answers
...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...).fill(1).map((x, y) => x + y)
And if you need a function with a step param:
const range = (start, stop, step = 1) =>
Array(Math.ceil((stop - start) / step)).fill(start).map((x, y) => x + y * step)
share
...
Where is the syntax for TypeScript comments documented?
...SDoc version (notice types in docs):
/**
* Returns the sum of a and b
* @param {number} a
* @param {number} b
* @returns {number}
*/
function sum(a, b) {
return a + b;
}
TypeScript version (notice the re-location of types):
/**
* Takes two numbers and returns their sum
* @param a first i...
How can I get PHPUnit MockObjects to return different values based on a parameter?
... $this->returnValueMap(
array(
array('firstparam', 'secondparam', 'retval'),
array('modes', 'foo', array('Array', 'of', 'modes'))
)
)
);
share
...
Getting Checkbox Value in ASP.NET MVC 4
...)
And in the controller action (make sure the name matches the checkbox param name on the controller):
public ActionResult Index(string param1, string param2,
string param3, IEnumerable<bool> Chbxs)
Then in the controller you can do some stuff like:
if (Chbxs != null &...
How to read file contents into a variable in a batch file?
...tiple variables from file like this:
for /f "delims== tokens=1,2" %%G in (param.txt) do set %%G=%%H
where param.txt:
PARAM1=value1
PARAM2=value2
...
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improve this answer
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What are the disadvantages to declaring Scala case classes?
...u need it
Getters automatically defined
Possible in any class by prefixing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equals() and hashCode()
Combined with easy pattern-matching, this is the main reason that people use ca...