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How to find the lowest common ancestor of two nodes in any binary tree?

...west common ancestor problem page on Wikipedia. (Credit to Jason for originally posting this link) share | improve this answer | follow | ...
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Multiple Indexes vs Multi-Column Indexes

...ique key (an identity column I would recommend) as the first column. Basically it helps your data insert at the end of the index and not cause lots of disk IO and Page splits. Secondly, if you are creating other indexes on your data and they are constructed cleverly they will be reused. e.g. ima...
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Making a private method public to unit test it…good idea?

... Note: This answer was originally posted for the question Is unit testing alone ever a good reason to expose private instance variables via getters? which was merged into this one, so it may be a tad specific to the usecase presented there. As a gener...
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How to import load a .sql or .csv file into SQLite?

...rst line of the CSV will be used as column names; if the table does exist, all rows are treated as data. – alttag Dec 1 '16 at 22:52 add a comment  |  ...
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How to increase request timeout in IIS?

... attribute. Specifies the maximum number of seconds that a request is allowed to execute before being automatically shut down by ASP.NET. This time-out applies only if the debug attribute in the compilation element is False. To help to prevent shutting down the application while you ...
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chrome undo the action of “prevent this page from creating additional dialogs”

... No. But you should really use console.log() instead of alert() for debugging. In Chrome it even has the advantage of being able to print out entire objects (not just toString()). ...
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?

... Though I really like the compact syntax of hgimenez's suggestion (above), this approach has the advantage of being very clear re: what's going on. (Still has the downside of not letting you pass nil as a value for the local) ...
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What are OLTP and OLAP. What is the difference between them?

Actually what do they mean? All articles I find about them don't give me an idea, or my knowledge is too insufficient to understand it. ...
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Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST

... your server needs to set a token in a JavaScript readable session cookie called XSRF-TOKEN on first HTTP GET request. On subsequent non-GET requests the server can verify that the cookie matches X-XSRF-TOKEN HTTP header Here is my solution based on those instructions: First, set the cookie: # app/...
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Don't reload application when orientation changes

... There are generally three ways to do this: As some of the answers suggested, you could distinguish the cases of your activity being created for the first time and being restored from savedInstanceState. This is done by overriding onSaveIn...