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What does [:] mean?
...pulation[:] they default to 0 and length(population) respectively, thereby selecting the entire list. Hence this is a common idiom to make a copy of a list.
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Create UIActionSheet 'otherButtons' by passing in array, not varlist
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}
//display action sheet
actionSheet.showInView(self.view)
To get value selected, add delegate to your ViewController :
class MyViewController: UIViewController, UIActionSheetDelegate
And implement the method "clickedButtonAtIndex"
func actionSheet(actionSheet: UIActionSheet, clickedButtonAt...
How do I use a file grep comparison inside a bash if/else statement?
...m grep --help, but also see man grep:
Exit status is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specif...
UINavigationController “back button” custom text?
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You can set the text in the Interface Builder:
Select the navigation item of the ViewController that the back button would return to:
In the utilities panel attribute inspector, enter your label for the Back Button:
I would prefer this approach over setting the titl...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
... allow you to catch other ways the user can leave your app: pressing home, selecting a notification, receiving a phone call, etc.
– hackbod
Feb 13 '10 at 19:56
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When applying a patch is there any way to resolve conflicts?
... You can also right drag patches on a working tree folder and select "Apply patch serial" (for patches like 0001-xxx.patch, ... 0002-xxy.patch) or "Apply single patch file".
– MrTux
Sep 6 '15 at 19:24
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Why is Node.js single threaded? [closed]
...d memory is the limiting factor. In the event loop model, the loop thread selects the next event (I/O finished) to handle. So the thread is always busy (if you program it correctly of course).
The event loop model as all new things seems shiny and the solution for all issues but which model to us...
How to stop tracking and ignore changes to a file in Git?
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@SupawatPusavanno to see which files you previously selected for assume-unchanged or skip-worktree look at this answer stackoverflow.com/questions/42363881/… -- it uses grep and git ls-files
– Ryan Taylor
Sep 19 '17 at 17:15
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Convert SVG to image (JPEG, PNG, etc.) in the browser
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@Luckyn if you call $(selector).html() on the parent of your svg element, it will work
– jonathanGB
Aug 12 '16 at 18:31
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Chrome doesn't delete session cookies
...issue in Firefox if you have the "Show my windows and tabs from last time" selection for the "When Firefox starts" pulldown in options. For the same reason. By design, session cookies are being retained to help keep workflow in the event of a browser crash.
– webnesto
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