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How do I auto-hide placeholder text upon focus using css or jquery?
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<input
type="text"
placeholder="enter your text"
onfocus="this.placeholder = ''"
onblur="this.placeholder = 'enter your text'" />
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How to sum a variable by group
I have a data frame with two columns. First column contains categories such as "First", "Second", "Third", and the second column has numbers that represent the number of times I saw the specific groups from "Category".
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AngularJS browser autofill workaround by using a directive
When submitting a form in AngularJS and use the browser remember password functionality, and in a subsequent login attempt you let the browser fill in the login form with the username and password, the $scope model won't be changed based on the autofill.
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Disable mouse scroll wheel zoom on embedded Google Maps
I am working on a WordPress site where the authors usually embed Google Maps using iFrames in most posts.
30 Answers
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What is the !! (not not) operator in JavaScript?
I saw some code that seems to use an operator I don't recognize, in the form of two exclamation points, like so: !! . Can someone please tell me what this operator does?
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How do I use pagination with Django class based generic ListViews?
How do I use pagination with Django 1.3?
3 Answers
3
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AngularJS: how to implement a simple file upload with multipart form?
...ltipart form post from AngularJS to a node.js server,
the form should contain a JSON object in one part and an image in the other part,
(I'm currently posting only the JSON object with $resource)
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Select multiple images from android gallery
So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) ...
Keeping it simple and how to do multiple CTE in a query
...is simple T-SQL query, it emits a bunch of columns from a table and also joins information from other related tables.
2 A...
Why would a JavaScript variable start with a dollar sign? [duplicate]
...t start with a dollar sign. When/why would you choose to prefix a variable in this way?
16 Answers
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