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Memcache(d) vs. Varnish for speeding up 3 tier web architecture
...u to generate pages faster.
An example that could apply to stackoverflow.com: adding this comment invalidated the page cache, so this page would have to be cleared from Varnish (and also my profile page, which probably isn't worth caching to begin with. Remembering to invalidate all affected pages...
Java to Clojure rewrite
I have just been asked by my company to rewrite a largish (50,000 single lines of code) Java application (a web app using JSP and servlets) in Clojure. Has anyone else got tips as to what I should watch out for?
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Using git commit -a with vim
...sing Esc).
You close your file with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and exit vim. This is also easier for some...
What is the best way to add options to a select from a JavaScript object with jQuery?
... very wasteful, as is updating the DOM. See points #3 and #6 at artzstudio.com/2009/04/jquery-performance-rules/…
– Patrick
Oct 12 '14 at 7:03
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How to check if a given directory exists in Ruby
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43
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The developers of this app have not set up this app properly for Facebook Login?
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Using LINQ to concatenate strings
...u really want to use Aggregate use variant using StringBuilder proposed in comment by CodeMonkeyKing which would be about the same code as regular String.Join including good performance for large number of objects:
var res = words.Aggregate(
new StringBuilder(),
(current, next) => cu...
Why is Magento so slow? [closed]
...sabled due to products being added by the shop owner. When cache was on he complained of products not appearing forcing me to disable caching while the shop was being set up. It is being hosted on a dedicated server, but it seems I will have to move Magento to its own exclusive box.
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Django database query: How to get object by id?
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unsigned APK can not be installed
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@Ted Even the answer is great, your comment helped me even more! Thanks for speaking :)
– Aleks
Mar 12 '14 at 19:57
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