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How to remove files from git staging area?
I made changes to some of my files in my local repo, and then I did git add -A which I think added too many files to the staging area. How can I delete all the files from the staging area?
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Determine what attributes were changed in Rails after_save callback?
...f (self.published_changed? && self.published == true)
end
end
It just works.
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laravel throwing MethodNotAllowedHttpException
... I am used to CI and now learning Laravel 4, and their docs are not making it easy! Anyways, I am trying to create a login form and just make sure that data is posted successfully by printing it in the next form. I am getting this exception:
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Efficiently updating database using SQLAlchemy ORM
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SQLAlchemy's ORM is meant to be used together with the SQL layer, not hide it. But you do have to keep one or two things in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you ...
Make a float only show two decimal places
I have the value 25.00 in a float , but when I print it on screen it is 25.0000000 .
How can I display the value with only two decimal places?
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?
...beginUpdates];
// do some work
[tableView endUpdates];
[CATransaction commit];
This works because the tableView animations use CALayer animations internally. That is, they add the animations to any open CATransaction. If no open CATransaction exists (the normal case), then one is implicitly began...
Using cURL with a username and password?
...access a URL which requires a username/password. I'd like to try accessing it with curl. Right now I'm doing something like:
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delegate keyword vs. lambda notation
Once it is compiled, is there a difference between:
6 Answers
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How set the android:gravity to TextView from Java side in Android
I can use android:gravity="bottom|center_horizontal" in xml on a textview to get my desired results, but I need to do this programmatically. My textview is inside a tablerow if that matters in a relativelayout .
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Do declared properties require a corresponding instance variable?
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If you are using the Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you...