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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
(Wasn't sure if this should go on SU... migration is certainly an option, but more programmers read questions here, so here goes).
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How to detect current state within directive
I'm using AngularUI's routing and I'd like to do a ng-class="{active: current.state}" but I'm unsure how to exactly detect the current state in a directive like this.
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
Android function View.setPadding(int left, int top, int right, int bottom) only accepts values in px but I want to set padding in dp. Is there any way around it?
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How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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Check image width and height before upload with Javascript
I have a JPS with a form in which a user can put an image:
8 Answers
8
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Can jQuery get all CSS styles associated with an element?
Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all?
5 Answer...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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Convert character to ASCII numeric value in java
I have String name = "admin";
then I do String charValue = name.substring(0,1); //charValue="a"
22 Answers
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Lambda function in list comprehensions
...output of the following two list comprehensions different, even though f and the lambda function are the same?
6 Answer...
Creating functions in a loop
I'm trying to create functions inside of a loop:
2 Answers
2
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