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Validation of radio button group using jQuery validation plugin
...me of "my options" to be selected before proceeding.
The label suggestion by Mahes, btw, works wonderfully!
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In PHP, how do you change the key of an array element?
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The way you would do this and preserve the ordering of the array is by putting the array keys into a separate array, find and replace the key in that array and then combine it back with the values.
Here is a function that does just that:
function change_key( $array, $old_key, $new_key ) {
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Build vs new in Rails 3
...ship. This is the same effect that calling .new on a class would have in Ruby. That is to say that the documentation is clarifying that calling build on an association is the same is creating a new object (calling .new) and passing the foreign keys to that object. These commands are all equivalent:
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How to read an external local JSON file in JavaScript?
...g(data);
});
This function works also for loading a .html or .txt files, by overriding the mime type parameter to "text/html", "text/plain" etc.
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What are database normal forms and can you give examples? [closed]
...lling us that IT101 is programming, and IT102 is Databases. So we fix that by moving the course name into another table, where CourseID is the ENTIRE key.
Primary Key |
CourseID | Course Name |
---------------------------|
IT101 | Programming |
IT102 | Databases |
IT103 |...
Difference between innerText, innerHTML, and childNodes[].value?
...strong language</strong>.
</div>
The node will be referenced by the following JavaScript:
var x = document.getElementById('test');
element.innerHTML
Sets or gets the HTML syntax describing the element's descendants
x.innerHTML
// => "
// => Warning: This element contain...
How to Reverse Fragment Animations on BackStack?
... * view of the fragment being readded or reattached caused by
* {@link FragmentManager#popBackStack()} or similar methods.
* @param popExit An animation or animator resource ID used for the enter animation on the
* view of the fragment be...
What is the size limit of a post request?
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The url portion of a request (GET and POST) can be limited by both the browser and the server - generally the safe size is 2KB as there are almost no browsers or servers that use a smaller limit.
The body of a request (POST) is normally* limited by the server on a byte size basis in...
Using regular expression in css?
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This was in a recommendation for CSS 2.1; it is supported by IE 7, Opera 9 etc.. Source: developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors
– Mike S
Jun 10 '14 at 20:38
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How does cookie based authentication work?
Can someone give me a step by step description of how cookie based authentication works? I've never done anything involving either authentication or cookies. What does the browser need to do? What does the server need to do? In what order? How do we keep things secure?
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