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How can I upload files asynchronously?

I would like to upload a file asynchronously with jQuery. 34 Answers 34 ...
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How do I convert datetime to ISO 8601 in PHP

How do I convert my time from 2010-12-30 23:21:46 to ISO 8601 date format? (-_-;) 6 Answers ...
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Detect changed input text box

I've looked at numerous other questions and found very simple answers, including the code below. I simply want to detect when someone changes the content of a text box but for some reason it's not working... I get no console errors. When I set a breakpoint in the browser at the change() functio...
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How to use wait and notify in Java without IllegalMonitorStateException?

I have 2 matrices and I need to multiply them and then print the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order. So my idea is to mak...
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Using “this” with class name

I am doing Android programming and was learning about Intents, when I saw a constructor that, to my C# trained mind, seemed funky. The call was: ...
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Prompt Dialog in Windows Forms

I am using System.Windows.Forms but strangely enough don't have the ability to create them. 11 Answers ...
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What is better, adjacency lists or adjacency matrices for graph problems in C++?

What is better, adjacency lists or adjacency matrix, for graph problems in C++? What are the advantages and disadvantages of each? ...
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How to check if a specific key is present in a hash or not?

I want to check whether the "user" key is present or not in the session hash. How can I do this? 7 Answers ...
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Change Git repository directory location.

With Git/Github for Windows, if I have a repository with this directory: C:\dir1\dir2 , what do I need to do to move the repo files to C:\dir1 ? I can obviously physically copy and paste the files, but what do I need to do on the Git side? ...
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How do I search for an object by its ObjectId in the mongo console?

I've found this question answered for C# and Perl, but not in the native interface. I thought this would work: 12 Answers ...