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Retrieve the maximum length of a VARCHAR column in SQL Server
I want to find the longest VARCHAR in a specific column of a SQL Server table.
10 Answers
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Server.UrlEncode vs. HttpUtility.UrlEncode
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HttpServerUtility.UrlEncode will use HttpUtility.UrlEncode internally. There is no specific difference. The reason for existence of Server.UrlEncode is compatibility with classic ASP.
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What is the meaning of “this” in Java?
Normally, I use this in constructors only.
21 Answers
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Why should I declare a virtual destructor for an abstract class in C++?
...know it is a good practice to declare virtual destructors for base classes in C++, but is it always important to declare virtual destructors even for abstract classes that function as interfaces? Please provide some reasons and examples why.
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How to add a touch event to a UIView?
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In iOS 3.2 and higher, you can use gesture recognizers. For example, this is how you would handle a tap event:
//The setup code (in viewDidLoad in your view controller)
UITapGestureRecognizer *singleFingerTap =
[[UITapGes...
How can I delete one element from an array by value
I have an array of elements in Ruby
15 Answers
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Operator precedence with Javascript Ternary operator
I cant seem to wrap my head around the first part of this code ( += ) in combination with the ternary operator.
7 Answers
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UILabel sizeToFit doesn't work with autolayout ios6
How am I supposed to configure programmatically (and in which method) a UILabel whose height depends on its text? I've been trying to set it up using a combination of Storyboard and code, but to no avail. Everyone recommends sizeToFit while setting lineBreakMode and numberOfLines . However, ...
What is the quickest way to HTTP GET in Python?
What is the quickest way to HTTP GET in Python if I know the content will be a string? I am searching the documentation for a quick one-liner like:
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POST request via RestTemplate in JSON
I didn't find any example how to solve my problem, so I want to ask you for help. I can't simply send POST request using RestTemplate object in JSON
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