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Python syntax for “if a or b or c but not all of them”
...
import argparse as ap
parser = ap.ArgumentParser()
parser.add_argument('--foo', nargs=3, default=['x', 'y', 'z'])
args = parser.parse_args()
print(args.foo)
And yes, it should be an option not a positional argument, because it is after all optional.
edited: To address the concern of LarsH i...
Getting “bytes.Buffer does not implement io.Writer” error message
...:
import "bufio"
import "bytes"
func main() {
var b bytes.Buffer
foo := bufio.NewWriter(&b)
}
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How to use SSH to run a local shell script on a remote machine?
...u want to pass args like -a then you can use --. e.g. 'ssh user@host -- -a foo bar 'bash -s' <script.sh'. And the args can also go after the redirect e.g. 'ssh user@host 'bash -s' <script.sh -- -a foo bar'.
– gaoithe
Mar 10 '16 at 17:28
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How to check that an element is in a std::set?
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@MichaelMathews With your variant: if(container.find(foo) == container.end()) needs to do a tree lookup to find the element first - if not found, then you need to do a second tree lookup to find the correct insertion location. The original variant if(container.insert(foo).secon...
Clear form field after select for jQuery UI Autocomplete
...+ ui.item.value + "<a href=\"#\">[x]</a> </span>");
foo.resetter(); // break out //
return false; //gives an empty input field //
}
});
foo.resetter = function() {
$("selector").val(promptText); //returns to original val
}
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What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
... On this topic: I wonder if it should be considered preferable to use int foo(struct bar [static 1]); instead of int foo(struct bar *); as the signature for functions which do not accept NULL pointers. (I know gcc has an alternate nonstandard syntax to flag such functions so that the compiler can g...
Nested or Inner Class in PHP
...ce 2013 - as of 2016/12/29):
https://wiki.php.net/rfc/nested_classes
class foo {
public class bar {
}
}
At least, anonymous classes made it into PHP 7
https://wiki.php.net/rfc/anonymous_classes
From this RFC page:
Future Scope
The changes made by this patch mean named nested classes are ...
Why does the is operator return false when given null?
...yping extra code:
Instead of having to say
if (X != null && X is Foo) {}
I can just say
if (X is Foo) {}
and be done with it.
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String is immutable. What exactly is the meaning? [duplicate]
...be updated from outside without accessing them via methods), for example:
Foo x = new Foo("the field");
x.setField("a new field");
System.out.println(x.getField()); // prints "a new field"
While in an immutable class (declared as final, to prevent modification via inheritance)(its methods cannot ...
git rebase fatal: Needed a single revision
... that isn't the problem. I've gotten this error from trying to rebase onto foo when I had not yet created the branch to track origin/foo.
– cdunn2001
Nov 21 '11 at 16:46
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