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What are the special dollar sign shell variables?
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$1, $2, $3, ... are the positional parameters.
"$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional pa...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
...x1, do a projection if desired
Next, create a distinct list, from x1 into x2, using whatever distinction you require
Finally, create an ordered list, from x2 into x3, sorting by whatever you desire
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How exactly does the python any() function work?
...h surrounding []'s: [x > 0 for x in lst]. From the lst containing [-1, -2, 10, -4, 20], you would get this comprehended list: [False, False, True, False, True]. This internal value would then get passed to the any function, which would return True, since there is at least one True value.
But wit...
Very simple log4j2 XML configuration file using Console and File appender
...imple XML configuration file with a console and a file appender using log4j2.
4 Answers
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Convert string to integer type in Go?
... != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
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Mercurial move changes to a new branch
...e rebase extension. Suppose you have a history like this:
@ changeset: 2:81b92083cb1d
| tag: tip
| summary: my new feature: edit file a
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o changeset: 1:8bdc4508ac7b
| summary: my new feature: add file b
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o changeset: 0:d554afd54164
summary: initial
This means,...
presentModalViewController:Animated is deprecated in ios6
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216
Use this line & check:
[self presentViewController:imagePicker animated:YES completion:ni...
ASP MVC href to a controller/view
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Brendan VogtBrendan Vogt
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a...
How do you set the text in an NSTextField?
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231
setStringValue: is the way to do it. You should make sure your outlet is being set properly. ...
Analyze audio using Fast Fourier Transform
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The array you are showing is the Fourier Transform coefficients of the audio signal. These coe...