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How to style a div to be a responsive square? [duplicate]

... Works on almost all browsers. You can try giving padding-bottom as a percentage. <div style="height:0;width:20%;padding-bottom:20%;background-color:red"> <div> Content goes here </div> </div> The outer div is maki...
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Android Split string

I have a string called CurrentString and is in the form of something like this "Fruit: they taste good" . I would like to split up the CurrentString using the : as the delimiter. So that way the word "Fruit" will be split into its own string and "they taste good" will be another strin...
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NOW() function in PHP

... this may be nice, but does not answer the question at all, it is not easier nor faster to do it this way – Asped Nov 16 '14 at 14:11 8 ...
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How exactly does tail recursion work?

...nt one but without explicit recursion (that is, without explicit function calls). If you change the logic into something non-equivalent, you may indeed make the function loop forever in some or all cases. – Alexey Frunze Mar 20 '13 at 9:30 ...
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Finding last occurrence of substring in string, replacing that

...ne wants a one-liner for this: ". -".join("asd.asd.asd.".rsplit(".", 1)). All you're doing is performing a string split from the right side for 1 occurrence and joining the string again using the replacement. – bsplosion Apr 23 at 22:16 ...
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How to “return an object” in C++?

...arameter is just a good way to make your code ugly, and in C++0x you'd actually be hurting yourself by using an out parameter. Just write clean code, return by value. If performance is a problem, profile it (stop guessing), and find what you can do to fix it. It likely won't be returning things fro...
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Why does the JVM still not support tail-call optimization?

Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now. ...
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jQuery Determine if a matched class has a given id

...he selector by combining multiple selectors. For instance, we could target all elements with a given id, that also have a particular class: $("#foo.bar"); // Matches <div id="foo" class="bar"> This should look similar to something you'd write in CSS. Note that it won't apply to all #foo ele...
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Hibernate: hbm2ddl.auto=update in production?

...ite your own patches, review them with DBA, test them, then apply them manually. Theoretically, if hbm2ddl update worked in development, it should work in production too. But in reality, it's not always the case. Even if it worked OK, it may be sub-optimal. DBAs are paid that much for a reason. ...
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Why should I not include cpp files and instead use a header?

...would've got from separating your source files in the first place. Essentially, what #include does is tell the preprocessor to take the entire file you've specified, and copy it into your active file before the compiler gets its hands on it. So when you include all the source files in your project...