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MySQL INNER JOIN select only one row from second table

I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
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Do subclasses inherit private fields?

... Probably not. But the JLS establishes the definition for the Java world, and it does so (in this case) unambiguously. EDITED (removed a parallel quote from Bjarne Stroustrup which due to the differences between java and c++ probably only add to the confusion. I'll let my answer rest on the JLS :...
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Difference between .on('click') vs .click()

...s. I would prefer .on over .click because the former can use less memory and work for dynamically added elements. Consider the following html: <html> <button id="add">Add new</button> <div id="container"> <button class="alert">alert!</button> ...
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How can I draw vertical text with CSS cross-browser?

...dated this answer with recent information (from CSS Tricks). Kudos to Matt and Douglas for pointing out the filter implementation. .rotate { -webkit-transform: rotate(-90deg); -moz-transform: rotate(-90deg); -ms-transform: rotate(-90deg); -o-transform: rotate(-90deg); transform: rotate(-9...
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Is it possible to change the package name of an Android app on Google Play?

...le, not whether it is easy or not, to change the actual package name of an Android app that is on Google Play. What I mean by package name is the name that will show up in the URL. Please, can anyone tell me why this is / is not possible? Thanks! ...
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Convert java.time.LocalDate into java.util.Date type

... JB Nizet perhaps Java 8 was in an early stage of development/release and @user3509494 was testing it somehow. – russellhoff Sep 18 '15 at 9:12 2 ...
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Call removeView() on the child's parent first

... the parent to a ViewGroup so that you get access to the removeView method and use that. Thanks to @Dongshengcn for the solution share | improve this answer | follow ...
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How to print from GitHub

...ne of code in the URL field. If you now go to a Markdown page on Github and click the bookmark it will reformat the page and change the CSS so that it looks the same as on screen when you print. Now just print the page. Bookmarklet contents: javascript:(function(e,a,g,h,f,c,b,d)%7Bif(!(f=e.jQue...
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gdb fails with “Unable to find Mach task port for process-id” error

... In Snow Leopard and later Mac OS versions, it isn't enough to codesign the gdb executable. You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt The guide explains how to d...
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Heroku free account limited?

... see Heroku provides free account features, but I don't see any detail on bandwidth, disk spaces, requests? 4 Answers ...