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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
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Both of these operations restore a set of files to a previous state and are essentially faster, safer ways of undoing mistakes than using the p4 obliterate command (and you don't need admin access to use them).
In the case of "Rollback...", this could be any number of files, even an entire...
How to manage startActivityForResult on Android?
...ctivity,so you can set the result as "RESULT_CANCELLED" in the catch block and return to FirstActivty and in FirstActivity's' 'onActivityResult() you can check whether you got the success or failure result.
– Nishant
Oct 31 '13 at 4:42
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How do I access the $scope variable in browser's console using AngularJS?
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Pick an element in the HTML panel of the developer tools and type this in the console:
angular.element($0).scope()
In WebKit and Firefox, $0 is a reference to the selected DOM node in the elements tab, so by doing this you get the selected DOM node scope printed out in the conso...
Easiest way to check for an index or a key in an array?
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To check if the element is set (applies to both indexed and associative array)
[ ${array[key]+abc} ] && echo "exists"
Basically what ${array[key]+abc} does is
if array[key] is set, return abc
if array[key] is not set, return nothing
References:
See Parameter Expa...
Can we delete an SMS in Android before it reaches the inbox?
...by processing specially-formatted messages in order to show them in a nice Android-specific UI.
As of Android 1.6, incoming SMS message broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system which components should recei...
How to redirect to previous page in Ruby On Rails?
I have a page that lists all of the projects that has sortable headers and pagination.
7 Answers
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Elements order in a “for (… in …)” loop
...doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
9 Answers
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GitHub relative link in Markdown file
...nk from within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)?
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Can I change the fill color of an svg path with CSS?
...rnal CSS appears to override the path's fill attribute, at least in WebKit and Gecko-based browsers I tested. Of course, if you write, say, <path style="fill: green"> then that will override external CSS as well.
shar...
Understanding $.proxy() in jQuery
From docs I understand that .proxy() would change the scope of the function passed as an argument. Could someone please explain me this better? Why should we do this?
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