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NOT IN vs NOT EXISTS

...be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway. When neither Products...
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Is putting a div inside an anchor ever correct?

...flow elements. Otherwise, only phrasing elements (read default=inline) are allowed. Thus, if the a is in a form or div, it can contain a div, but inside a p, it can't. See w3.org/TR/html-markup/terminology.html – Patanjali Oct 24 '16 at 1:00 ...
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(Built-in) way in JavaScript to check if a string is a valid number

... A very important note about parseInt is that it will allow you to specify a radix for converting the string to an int. This is a big gotcha as it tries to guess a radix for you if you don't supply it. So, for example: parseInt("17") results in 17 (decimal, 10), but parseInt("...
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jquery find closest previous sibling with class

... Try: $('li.current_sub').prevAll("li.par_cat:first"); Tested it with your markup: $('li.current_sub').prevAll("li.par_cat:first").text("woohoo"); will fill up the closest previous li.par_cat with "woohoo". ...
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How do I tokenize a string in C++?

... C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though nobody argues that this would be convenient. But wha...
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What is the current choice for doing RPC in Python? [closed]

...you really need a cross-language framework that literally tries to connect PHP to C++ to Java to Python to Erlang to Common Lisp to Haskell to Swift. These are different languages, for a reason, and Thrift needs to do compromises to find a common denominator. I'd argue that the vast majority of peop...
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Best Java obfuscator? [closed]

... This is what I actually need. I want to write PHP obfuscator for my projects. The logic is same everywhere. Thanks... – kodmanyagha Jun 24 '17 at 12:58 ...
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Copy/duplicate database without using mysqldump

...e uses a "SHOW CREATE TABLE" statement which generates a CREATE TABLE with all properties of the original. – Danita May 6 '11 at 15:34 1 ...
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Wait for all promises to resolve

...ltiple promise chains of an unknown length. I want some action to run when all the CHAINS have been processed. Is that even possible? Here is an example: ...
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AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?

... Vojta described the "Angular way", but if you really need to make this work, @urbanek recently posted a workaround using ng-init: <input type="text" ng-model="rootFolders" ng-init="rootFolders='Bob'" value="Bob"> https://groups.google.com/d/msg/angular/Hn3eztNHFXw...