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How do I test for an empty string in a Bash case statement?
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127
The case statement uses globs, not regexes, and insists on exact matches.
So the empty string...
matplotlib Legend Markers Only Once
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This should work:
legend(numpoints=1)
BTW, if you add the line
legend.numpoints : 1 # the number of points in the legend line
to your matplotlibrc file, then this will be the new default.
[See also scatterpoints, depending on your plot.]
API: L...
How to use OR condition in a JavaScript IF statement?
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11 Answers
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Check if null Boolean is true results in exception
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173
When you have a boolean it can be either true or false. Yet when you have a Boolean it can be ...
How to clear the canvas for redrawing
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1338
const context = canvas.getContext('2d');
context.clearRect(0, 0, canvas.width, canvas.height...
How do I know the script file name in a Bash script?
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me=`basename "$0"`
For reading through a symlink1, which is usually not what you want (you usually don't want to confuse the user this way), try:
me="$(basename "$(test -L "$0" && readlink "$0" || echo "$0")")"
IMO, that'll produce confusing output. "I ran foo....
Can I pass parameters by reference in Java?
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edited Jul 1 '09 at 13:01
answered Jul 1 '09 at 12:04
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Grabbing the href attribute of an A element
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10 Answers
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How do you set EditText to only accept numeric values in Android?
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12 Answers
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What is the scope of variables in JavaScript?
...function f() {
function g() {
console.log(x)
}
let x = 1
g()
}
f() // 1 because x is hoisted even though declared with `let`!
Function parameter names
Function parameter names are scoped to the function body. Note that there is a slight complexity to this. Functions dec...