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How to get number of rows using SqlDataReader in C#

... Thank you all! This is becoming more clear. So is it better to dump all the info to the DataSet or run through a SQL COUNT(*), store it and then run the required query? Or are we talking about running count and storing everything in the DataSet? ...
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Why would anyone use set instead of unordered_set?

...What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead of unordered_set? i.e is there a need for set anymore? ...
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How can I view the shared preferences file using Android Studio?

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How can I temporarily disable a foreign key constraint in MySQL?

... serverfault.com/questions/291100/… , Also note that you cannot disable keys for Innodb – Pacerier Feb 24 '15 at 4:19 ...
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Executing injected by innerHTML after AJAX call

...ext will not execute. However, you can use the dynamic script pattern to accomplish your goal. The basic idea is to move the script that you want to execute into an external file and create a script tag when you get your Ajax response. You then set the src attribute of your script tag and voila, it ...
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How to restore to a different database in sql server?

... the REPLACE, RECOVERY, options in my case (SQL2012) cr. dba.stackexchange.com/questions/51489/… – dc2009 Jan 1 '15 at 10:53 7 ...
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Generate Java class from JSON?

...urces/schemas</sourceDirectory> <targetPackage>com.myproject.jsonschemas</targetPackage> <sourceType>json</sourceType> </configuration> <executions> <execution> ...
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What causes javac to issue the “uses unchecked or unsafe operations” warning

... This comes up in Java 5 and later if you're using collections without type specifiers (e.g., Arraylist() instead of ArrayList<String>()). It means that the compiler can't check that you're using the collection in a type-saf...
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Scroll to the top of the page using JavaScript?

... Funny as jeff's comment is honestly for people who just want things to work cross browser 95% of the time should just use jQuery. This is coming from someone who has to write a lot of pure javascript right now because we can't afford the ove...
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When to use next() and return next() in Node.js

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