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How to check if element is visible after scrolling?

I'm loading elements via AJAX. Some of them are only visible if you scroll down the page. Is there any way I can know if an element is now in the visible part of the page? ...
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Best documentation for Boost:asio?

...t you could use google translate which is pretty readable (I had to follow down this path myself). http://gwenael-dunand.developpez.com/tutoriels/cpp/boost/asio/ share | improve this answer ...
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input type=file show only button

...Thanks much, wish I could up vote more than 1. – Highdown Aug 16 '16 at 15:21 ... and add onchange="this.form.submit()...
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sql primary key and index

...indeed. For one thing, indexes eat up storage. For another thing, it slows down writes and updates. Always delete indexes that are not going to be used. – Pacerier Jul 6 '12 at 7:40 ...
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How to find the port for MS SQL Server 2008?

...Step 4. In TCP/IP Properties dialog box, go to IP Addresses tab and scroll down to IPAll group. If SQL Server if configured to run on a static port it will be available in TCP Port textbox, and if it is configured on dynamic port then current port will be available in TCP Dynamic Ports textbox. H...
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox

...p in our Ajax logger) in Firefox, but in Chrome, we were able to narrow it down to... Drum roll... The auto translate feature of Google Chrome. Many English speaking people probably do not even know about this feature, but to test it, I guess visit a non-English site using Chrome. Or better yet, ...
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What is Node.js? [closed]

... model like Apache + PHP, Perl, Ruby, etc. Unhandled exceptions will bring down the entire process, necessitating logic to restart failed workers (see cluster). Modules with buggy native code can hard-crash the process. Whenever a worker dies, any requests it was handling are dropped, so one buggy A...
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How to get the IP address of the server on which my C# application is running on?

... If you're looking for one IP address, then you'll need to filter the list down until you can identify the right address. You will probably need to do some experimentation, but I had success with the following approach: Filter out any NetworkInterfaces that are inactive by checking for Operationa...
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How do I reset a sequence in Oracle?

...utes multiple calls for a whole bunch of sequences, resetting nextval back down to some level which is high enough to not cause primary key violations where I'm using the sequence's value for a unique identifier. It also honors the previous minvalue. It may in fact push the next value ever higher ...
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Unfortunately MyApp has stopped. How can I solve this?

...s a first parameter,in our case "AppDebug". Click on the "No Filters" drop down menu on the top-right of the logcat. Select "Edit Filter Configuration", give a name to your filter, and in "Log Tag" put "App Debug". Click "OK". Now, you should see two lines in the logcat: yourPackageNameAndApp: mTex...