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Difference between local and global indexes in DynamoDB

I'm curious about these two secondary indexes and differences between them. It is hard to imagine how this looks like. And I think, this will help more people than just me. ...
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Convert HH:MM:SS string to seconds only in javascript

...perator to convert numeric string to number is not a good idea. It's short and looks "clever", but it's confusing and not clean code. Use parseInt(x, 10) instead. And avoid one-liner. Also prevent errors by undefined input. For example: it's not a string, has no ":" or only "HH:MM". etc. ...
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Pass variables to Ruby script via command line

I've installed RubyInstaller on Windows and I'm running IMAP Sync but I need to use it to sync hundreds of accounts. If I could pass these variables to it via command line I could automate the whole process better. ...
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Get contentEditable caret index position

...umes: There is always a single text node within the editable <div> and no other nodes The editable div does not have the CSS white-space property set to pre If you need a more general approach that will work content with nested elements, try this answer: https://stackoverflow.com/a/481202...
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How to set environment variables in Jenkins?

...ho aoeu) > propsfile Create an Inject environment variables build step and set "Properties File Path" to propsfile. Note: This plugin is (mostly) not compatible with the Pipeline plugin. share | ...
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android fragment onRestoreInstanceState

...r configuration changes, but what if you go to an activity from a fragment and then go back to the fragment? – speedynomads Jun 4 '13 at 16:41 1 ...
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Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes

... There's really no easy way to mix fluid and fixed widths with Bootstrap 3. It's meant to be like this, as the grid system is designed to be a fluid, responsive thing. You could try hacking something up, but it would go against what the Responsive Grid system is t...
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When to use StringBuilder in Java [duplicate]

...gBuilder (not StringBuffer) instead of a String, because it is much faster and consumes less memory. If you have a single statement, String s = "1, " + "2, " + "3, " + "4, " ...; then you can use Strings, because the compiler will use StringBuilder automatically. ...
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Center image in div horizontally [duplicate]

I have an img in a div ( class="top_image" ) and I want this image to be exactly in the middle of the div but nothing I try works... ...
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How do I run a Node.js application as its own process?

...means forever, monit, PM2, etc. are no longer necessary - your OS already handles these tasks. Make a myapp.service file (replacing 'myapp' with your app's name, obviously): [Unit] Description=My app [Service] ExecStart=/var/www/myapp/app.js Restart=always User=nobody # Note Debian/Ubuntu uses 'n...