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MySQL JOIN the most recent row only?

I have a table customer that stores a customer_id, email and reference. There is an additional table customer_data that stores a historical record of the changes made to the customer, i.e. when there's a change made a new row is inserted. ...
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Bootstrap 3 breakpoints and media queries

... No media query since this is the default in Bootstrap // Small devices (landscape phones, 576px and up) @media (min-width: 576px) { ... } // Medium devices (tablets, 768px and up) @media (min-width: 768px) { ... } // Large devices (desktops, 992px and up) @media (min-width: 992px) { ... } // Ex...
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Origin is not allowed by Access-Control-Allow-Origin

...rticle on this issue a while back, Cross Domain AJAX. The easiest way to handle this if you have control of the responding server is to add a response header for: Access-Control-Allow-Origin: * This will allow cross-domain Ajax. In PHP, you'll want to modify the response like so: <?php heade...
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How expensive is the lock statement?

I've been experimenting with multi threading and parallel processing and I needed a counter to do some basic counting and statistic analysis of the speed of the processing. To avoid problems with concurrent use of my class I've used a lock statement on a private variable in my class: ...
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

...ntation is now as there are a number of clean up tasks we need to perform and I can't see a block that we can assign to UIViewControllerTransitionCoordinator in order to be called when 'transition' to a new size finishes. Thanks. ...
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Regex Last occurrence?

...is only for the Regexr test needed. It changes the meaning of the the $. Standard is end of the string, with Multiline its end of the row. Because the test text in Regexr has multiple rows I need this option there. – stema Dec 4 '11 at 12:20 ...
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kill -3 to get java thread dump

I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!! ...
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How can I add an item to a SelectList in ASP.net MVC

...nsert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --" 13 Ans...
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Integer to hex string in C++

...tever you like if you wish. Other manips of interest are std::oct (octal) and std::dec (back to decimal). One problem you may encounter is the fact that this produces the exact amount of digits needed to represent it. You may use setfill and setw this to circumvent the problem: stream << st...
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Fragments within Fragments

I'm wondering if this is actually a bug in the Android API: 6 Answers 6 ...