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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
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ExecuteScalar is typically used when your query returns a single value. If it returns more, then the result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1...
Swift equivalent for MIN and MAX macros
In C / Objective-C it is possible to find the minimum and maximum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?...
Textarea Auto height [duplicate]
I want to make height of textarea equal to height of the text within it (And remove the scroll bar)
8 Answers
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What is the difference between RDF and OWL? [closed]
I am trying to grasp the concept of Semantic Web. I am finding it hard to understand what exactly is the difference between RDF and OWL. Is OWL an extension of RDF or these two are totally different technologies?
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
I need to write a shell script for this. Can someone suggest how to begin?
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How to solve Operator '!=' cannot be applied to operands of type 'T' and 'T' [duplicate]
This code snippet works as expected for the int type:
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What is 'Pattern Matching' in functional languages?
I'm reading about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
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How does the const constructor actually work?
... In the documentation, it says that const word is used to denote something a compile time constant.
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领域驱动设计系列（五）:事件驱动之异步事件 - 更多技术 - 清泛网 - 专注C/...
...件的人太多，比如13亿人都关心上头条的事，那么RaiseEvent得等13亿人都处理完，那得多久呀，从此再也不敢发事件了。 举个例子，你在网上下单，下完单要通知库房，甚至要通知供应商补货，如果都是同步的话，消费者还不等急...
Create Generic method constraining T to an Enum
I'm building a function to extend the Enum.Parse concept that
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