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How to create a MySQL hierarchical recursive query

...s not in my case... so let me know your view on the same... So, in simple words I need a query to handle 'n' hirerachy levels where 'n' is not known..... – Tarun Parswani Nov 26 '13 at 11:48 ...
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Difference between DateTime and Time in Ruby

...teger is used. (http://www.ruby-doc.org/core-2.1.0/Time.html) In other words, as far as I understand, DateTime no longer covers a wider range of potential values than Time. In addition, two previously unmentioned restrictions of DateTime should probably be noted: DateTime does not consider ...
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What is Cache-Control: private?

...t showing the correct content, not securing content. This usage of the word private only controls where the response may be cached, and cannot ensure the privacy of the message content. share | ...
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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]

...ompiler infer the type of the expressions. So the bottomline is: the keyword auto might increase or decrease clarity and readability of your code, depending on the context. If the context makes it clear what type it is, or at least how it should be used (in case of standard container iterator) or...
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How does the const constructor actually work?

...te a const constructor in Dart. In the documentation, it says that const word is used to denote something a compile time constant. ...
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What is the difference between the states selected, checked and activated in Android?

... also that a call to ListView.setItemChecked() invokes the above. In other words, it could equally be called setItemActivated(). Prior to Honeycomb we had to implement workarounds to reflect state_checked in our list items. This is because ListView calls setChecked() ONLY on the topmost View in the ...
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How do search engines deal with AngularJS applications?

... on web pages, collecting information along the way. They keep interesting words and look for other links to other pages (these links, the amount of them and the number of them come into play with SEO). So why don't search engines deal with javascript sites? The answer has to do with the fact tha...
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What's the difference between UTF-8 and UTF-8 without BOM?

...n, not divined." The heart and soul of the problem. +1, good sir. In other words: either standardize your content and say, "We're always using this encoding. Period. Write it that way. Read it that way," or develop an extended format that allows for storing the encoding as metadata. (The latter prob...
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HTML 5 Favicon - Support?

.... Notice the rel="shortcut icon" for IE to recognize the icon it needs the word shortcut which is not standard. Also we wrap the .ico favicon in a IE conditional comment because Chrome and Safari will use the .ico file if it is present, despite other options available, not what we would like. The ...
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

... Lippert's blog post about debugging of small programs, I won't repeat his words here but it's absolutely a must read. You have source code, you have exception message with a stack trace. Go there, pick right line number and you'll see: array[index] = newValue; You found your error, check how in...