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What is Ad Hoc Query?

I'm reading a book about SQL. In that book there's the term Ad Hoc Query , which I don't understand. 10 Answers ...
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Looping through a hash, or using an array in PowerShell

I'm using this (simplified) chunk of code to extract a set of tables from SQL Server with BCP . 7 Answers ...
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Passing Data between View Controllers

I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following: 46 Answers ...
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Seedable JavaScript random number generator

The JavaScript Math.random() function returns a random value between 0 and 1, automatically seeded based on the current time (similar to Java I believe). However, I don't think there's any way to set you own seed for it. ...
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Check if object exists in JavaScript

How do I verify the existence of an object in JavaScript? 18 Answers 18 ...
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How do I merge changes to a single file, rather than merging commits?

I have two branches (A and B) and I want to merge a single file from branch A with a corresponding single file from Branch B. ...
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Calling virtual functions inside constructors

Suppose I have two C++ classes: 13 Answers 13 ...
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Is there a JavaScript MVC (micro-)framework? [closed]

Are there any client-side JavaScript MVC (micro-)frameworks? 30 Answers 30 ...
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Implementing Comments and Likes in database

I'm a software developer. I love to code, but I hate databases... Currently, I'm creating a website on which a user will be allowed to mark an entity as liked (like in FB), tag it and comment . ...
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How to learn R as a programming language [closed]

I'd like to know how to learn the R language as as 'programming' language as opposed to learning it as a statistical system. My question is prompted by lack of understanding of such functions as parse, eval, etc. which may not find frequent use by an R user with a 'statistics' persuasion. ...