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git rebase fatal: Needed a single revision
...
You need to provide the name of a branch (or other commit identifier), not the name of a remote to git rebase.
E.g.:
git rebase origin/master
not:
git rebase origin
Note, although origin should resolve to the the ref origin/HEAD when ...
Should an Enum start with a 0 or a 1?
...
@Allon It seems better to only give the enum values you know are valid and then to check for invalid values in the setter and/or constructor. That way you know immediately if some code isn't working correctly rather than allowing an object with invalid data to exist for some unkno...
iPhone Safari Web App opens links in new window
...e are using javascript. Since then, iOS 11.3 has been released and you can now use the scope member. The scope member is a URL like "/" where all paths under that scope will not open a new page.
The scope member is a string that represents the navigation scope of
this web application's applic...
Troubleshooting “The use statement with non-compound name … has no effect”
...ould do:
use Blog\Article as BA;
... to shorten it, but you cannot get rid of it entirely.
Consequently, use Blog is useless, but I believe you could write:
use \ReallyLongNSName as RLNN;
Note that you must use a leading \ here to force the parser into knowing that ReallyLongNSName is fully...
Outline radius?
...
Old question now, but this might be relevant for somebody with a similar issue. I had an input field with rounded border and wanted to change colour of focus outline. I couldn't tame the horrid square outline to the input control.
So ins...
How do I clear my local working directory in Git? [duplicate]
...y
## clear the working copy
git checkout empty
Your working copy should now be clear of any managed content. All that remains are unmanaged files and the .git folder itself.
To re-populate your working copy...
git checkout master ## or whatever branch you will be using
If you're a forward ...
How to parse a JSON string to an array using Jackson
...public String getProperty() {
return property;
}
public void setProperty(String property) {
this.property = property;
}
public String getDirection() {
return direction;
}
public void setDirection(String direction) {
this.direction = directio...
How to run a shell script on a Unix console or Mac terminal?
I know it, forget it and relearn it again. Time to write it down.
7 Answers
7
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How to use the 'sweep' function
... matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
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Canary release strategy vs. Blue/Green
...roduction. Always using feature toggles is a good way to increase your confidence in a new version, since the new version functions exactly like the old until someone flips a feature toggle. Breaking your application into small, independently releaseable services is another, since there is less to t...