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Cached, PHP generated Thumbnails load slowly

Question Part A ▉ (100 bountys, awarded) Main question was how to make this site, load faster. First we needed to read these waterfalls. Thanks all for your suggestions on the waterfall readout analysis. Evident from the various waterfall graphs shown here is the main bottleneck: the PHP-genera...
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Ways to iterate over a list in Java

Being somewhat new to the Java language I'm trying to familiarize myself with all the ways (or at least the non-pathological ones) that one might iterate through a list (or perhaps other collections) and the advantages or disadvantages of each. ...
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How to calculate percentage with a SQL statement

I have a SQL Server table that contains users & their grades. For simplicity's sake, lets just say there are 2 columns - name & grade . So a typical row would be Name: "John Doe", Grade:"A". ...
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Weak and strong property setter attributes in Objective-C

What is the difference between weak and strong property setter attributes in Objective-C? 5 Answers ...
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How to force a Solution file (SLN) to be opened in Visual Studio 2013?

Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in Windows Explorer still opens it in VS 2012 instead. ...
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Parsing CSV files in C#, with header

Is there a default/official/recommended way to parse CSV files in C#? I don't want to roll my own parser. 17 Answers ...
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CSS Classes & SubClasses

Is it possible, other than what I'm doing because it doesn't seem to work, to do this? I want to be able to have subclasses that are under a class to use the CSS specifically for that class.subclass. ...
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AttributeError(“'str' object has no attribute 'read'”)

In Python I'm getting an error: 5 Answers 5 ...
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Symfony 2: How do I check if a user is not logged in inside a template?

In Symfony 2 templates (using Twig), how can I effectively check whether a user is not logged in? 2 Answers ...
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Where does git config --global get written to?

When using git config --global to set things up, to which file will it write? 17 Answers ...