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Repeatedly run a shell command until it fails?
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while takes a command to execute, so you can use the simpler
while ./runtest; do :; done
This will stop the loop when ./runtest returns a nonzero exit code (which is usually indicative of failure).
To further simplify your current solution...
Turning off some legends in a ggplot
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Note to self: if you have a geom_linerange() and the legend is showing a cross instead of a line, insert show.legend=FALSE inside the geom_linerange().
– PatrickT
Sep 30 '17 at 8:51
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How to run cron job every 2 hours
...wered Jun 21 '11 at 10:10
James AndersonJames Anderson
25.8k77 gold badges4444 silver badges7575 bronze badges
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Erratic hole type resolution
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
IList vs IEnumerable for Collections on Entities
...ant to surface the Lines property as only an IEnumerable<OrderLine>, and provide Add(OrderLine) and Remove(OrderLine) methods which can handle that validation.
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Using sed and grep/egrep to search and replace
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Use this command:
egrep -lRZ "\.jpg|\.png|\.gif" . \
| xargs -0 -l sed -i -e 's/\.jpg\|\.gif\|\.png/.bmp/g'
egrep: find matching lines using extended regular expressions
-l: only list matching filenames
-R: search recursively th...
URLWithString: returns nil
...can probably remove the escaping of the localisationName since it will be handled by the escaping of the whole string.
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How do I get a human-readable file size in bytes abbreviation using .NET?
... to do it, but it's easier to read if you are not familiar with log maths, and should be fast enough for most scenarios.
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
double len = new FileInfo(filename).Length;
int order = 0;
while (len >= 1024 && order < sizes.Length - 1) {
o...
How do you use “
I just finished reading about scoping in the R intro , and am very curious about the <<- assignment.
6 Answers
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How to make an element in XML schema optional?
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Indeed, tested it, and you only need to specify minOccurs="0" to make it optional if you want to allow one element max.
– Wouter Schut
Jan 10 '17 at 8:42
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