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Index on multiple columns in Ruby on Rails
...er matters enormously in indexing. Place the where clauses to the left and complete the index with the ordering columns to the right. stackoverflow.com/questions/6098616/dos-and-donts-for-indexes
– Denis de Bernardy
May 29 '11 at 20:36
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Rsync copy directory contents but not directory itself
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Try rsync -av ~/foo/ user@remote.com:/var/www/bar/
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XML Validation with XSD in Visual Studio IDE
...for me. I am guessing my system was just hosed, but I have moved to a new computer and everything works fine now.
– Jim McKeeth
Oct 21 '10 at 21:19
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A TwoWay or OneWayToSource binding cannot work on the read-only property
...NET 4.0 there's a "bug" that OneWayToSource also does a get: stackoverflow.com/questions/14967667/…
– Luuk
May 12 '14 at 10:36
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Performance - Date.now() vs Date.getTime()
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How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
The doc http://code.google.com/chrome/devtools/docs/elements.html says it supports XPath or CSS selectors, but when I tried, didn't seem to work for me.
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Label points in geom_point
The data I'm playing with comes from the internet source listed below
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URL matrix parameters vs. query parameters
...path element while query parameters apply to the request as a whole. This comes into play when making a complex REST-style query to multiple levels of resources and sub-resources:
http://example.com/res/categories;name=foo/objects;name=green/?page=1
It really comes down to namespacing.
Note: T...
SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
...sse.enableSNIExtension property. To allow your programs to work without re-compiling, run your app as:
java -Djsse.enableSNIExtension=false yourClass
The property can also be set in the Java code, but it must be set before any SSL actions. Once the SSL library has loaded, you can change the prope...
How do I focus on one spec in jasmine.js?
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