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PO
 

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    <p>Well you certainly have a race condition. If you manage to send two requests and have a very slowly responding server you might get the same tweet twice. I'm not sure if that's the problem in your case but it certainly is an option.</p> <p>Given this is the source of your problem, you have at least two options to solve it:</p> <ul> <li>Maintain some flag that would indicate whether you're in a process of waiting for a server response. This will allow you to prevent sending two requests concurrently from the same client instance. NOTE: This is not the same as synchonous requests. The latter blocks your UI!</li> <li>You could also check whether a tweet with the returned id already exists and only then proceed. However this is a little bit dangerous because it might hide a deeper problem with your implementation.</li> </ul> <p><strong>EDIT</strong></p> <p>I think you're problem is simply that url <code>/timeline/SOME-ID-HERE</code> returns all the newest tweets until the given id <strong>inclusive</strong>. I've checked the contents of the requests that your applications sends. The first one <code>/timeline</code> is long and ends with an id <code>119912841942802432</code>. And this is the only id that is returned in your second request.</p> <p>What I don't understand is how does the ID in the address relate to ids of your tweets. The second request address is <code>/timeline/119912841942802430</code>. On the other hand <code>119912841942802430</code> doesn't match anything in the results. <code>119912841942802432</code> (notice <code>2</code> instead of <code>0</code> at the end) does.</p>
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    1. COI've added a timer class and I pause it when I send a new request and resume it when the request is complete (success callback). Its not that. I have provided you the source coded: http://p5xvip.com
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    2. CO@SallarKaboli Ok, I'll try to dig deeper.
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    3. CO@sallarKaboli Do you have the uncompressed sources for this Timer.js script?
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