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Convert timestamp to date in MySQL query

...ly the content was a timestamp (1328649722), so that's why it didn't work. Now everything is good with FROM_UNIXTIME! – remyremy Feb 13 '12 at 17:55 ...
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List comprehension in Ruby

... Actually I see now the OP itself had some existing list the author wanted to transform. But the archetypal conception of list comprehension involves creating an array/list where one didn't exist before by referencing some iteration. But a...
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How to check if a file is a valid image file?

... excellent advice, now i just need to figure out what those numbers are. thanks :) – Sujoy May 20 '09 at 18:11 ...
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How do I toggle an element's class in pure JavaScript?

... Thank you so much! It's working now :) I add more option for loop: var All = document.querySelectorAll('.menu'); for (var i = 0; i < All.length; i++){ All[i].classList.toggle('hidden-phone'); } – Blue Tra...
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Java : How to determine the correct charset encoding of a stream

... juniversalchardet is now on GitHub. – deamon May 23 '18 at 8:49 ...
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What does the “static” modifier after “import” mean?

...f your code (including you, a few months after you wrote it) will not know which class a static member comes from. Importing all of the static members from a class can be particularly harmful to readability; if you need only one or two members, import them individually. Used approp...
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How to trigger a file download when clicking an HTML button or JavaScript

This is crazy but I don't know how to do this, and because of how common the words are, it's hard to find what I need on search engines. I'm thinking this should be an easy one to answer. ...
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How do you uninstall MySQL from Mac OS X?

I accidentally installed the PowerPC version of MySQL on my Intel Mac in Snow Leopard, and it installed without a problem but of course doesn't run properly. I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is...
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Create an Android Jar library for distribution

I know of Android Library projects, which allow you to create a shared-source project that can be pulled into Android Applications as needed. However, that requires that source be available. ...
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Setting default values for columns in JPA

... this be if (createdt != null) createdt = new Date(); or something? Right now, this will override an explicitly specified value, which seems to make it not really be a default. – Max Nanasy Nov 25 '14 at 21:48 ...