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How to combine class and ID in CSS selector?

... div#content.myClass.aSecondClass.aThirdClass /* Won't work in IE6, but valid */ div.firstClass.secondClass /* ditto */ and, per your example: div#content.sectionA Edit, 4 years later: Since this is super old and people keep finding it: don't use the tagNames in your selectors. #content.myClass...
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Javascript : Send JSON Object with Ajax?

... json_decode(file_get_contents('php://input')); – David Oct 22 '17 at 8:28 Dear friends can you share this POST ajax w...
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What are the typical reasons Javascript developed on Firefox fails on IE? [closed]

...ode. For example, IE9 supports SVG, <canvas>, <audio> and <video> natively, however you must enable standards compliance mode for them to be available. General: Problems with partially loaded documents: It’s a good idea to add your JavaScript in a window.onload or similar ev...
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How do I make a checkbox required on an ASP.NET form?

... javascript function for client side validation (using jQuery)... function CheckBoxRequired_ClientValidate(sender, e) { e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked'); } code-behind for server side validation... protected void...
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Reorder / reset auto increment primary key

...ySQL table with an auto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows. ...
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Build vs new in Rails 3

...ject from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all, so it needs the firm_id passed to it. The only difference between some_firm.clients.new and some_firm.clients.build ...
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Best way for a 'forgot password' implementation? [closed]

...tten too. The system has a table password_change_requests with the columns ID, Time and UserID. When the new user presses the button, a record is created in the table. The Time column contains the time when the user pressed the "Forgot Password" button. The ID is a string. A long random string is cr...
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The object cannot be deleted because it was not found in the ObjectStateManager

... instance). Try this: protected MyEntities sqlEntities; public virtual void Delete(TEntity entity) { sqlEntities.Attach(entity); sqlEntities.DeleteObject(entity); sqlEntities.SaveChanges(); } share | ...
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JavaScript function in href vs. onclick

...script is pretty simple. Get the DOM node with obj = document.getElementById(), then set obj.onclick = foo – Matt Bridges Jul 1 '09 at 19:24 1 ...
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What is a method that can be used to increment letters?

...ted 2019/05/09) Since this answer has received so much visibility I've decided to expand it a bit beyond the scope of the original question to potentially help people who are stumbling on this from Google. I find that what I often want is something that will generate sequential, unique strings in ...