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Why is Magento so slow? [closed]

... I've only been tangentially involved in optimizing Magento for performance, but here's a few reasons why the system is so slow Parts of Magento use an EAV database system implemented on top of MySQL. This means querying for a single "thing" often means querying m...
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What does `kill -0 $pid` in a shell script do?

Basically, what signal does '0' represent, because here I see SIGNAL numbers starting from 1. 6 Answers ...
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Is there a way to get the source code from an APK file?

The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months. All I have is the APK file that is stored in my email from when I sent it to a friend. ...
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How to select only the records with the highest date in LINQ

...ate for each account, you'd use this: var q = from n in table group n by n.AccountId into g select new {AccountId = g.Key, Date = g.Max(t=>t.Date)}; If you want the whole record: var q = from n in table group n by n.AccountId into g select g.OrderByDescending(t...
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Test iOS app on device without apple developer program or jailbreak

How can I test an iOS application on my iPod Touch without registering for the Apple Developer Program or jailbreaking my iPod? ...
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How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?

I'm using IntelliJ IDEA 13 (Community Edition) with the Scala plugin. 6 Answers 6 ...
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When is .then(success, fail) considered an antipattern for promises?

I had a look at the bluebird promise FAQ , in which it mentions that .then(success, fail) is an antipattern . I don't quite understand its explanation as for the try and catch. What's wrong with this the following? ...
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Using CSS to insert text

... It is, but requires a CSS2 capable browser (all major browsers, IE8+). .OwnerJoe:before { content: "Joe's Task:"; } But I would rather recommend using Javascript for this. With jQuery: $('.OwnerJoe').each(function() { $(this).before($('<span&g...
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Will web browsers cache content over https

Will content requested over https still be cached by web browsers or do they consider this insecure behaviour? If this is the case is there anyway to tell them it's ok to cache? ...
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How do I prevent angular-ui modal from closing?

I am using Angular UI $modal in my project http://angular-ui.github.io/bootstrap/#/modal 6 Answers ...