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Return a “NULL” object if search result not found
I'm pretty new to C++ so I tend to design with a lot of Java-isms while I'm learning. Anyway, in Java, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in...
How to show disable HTML select option in by default?
I am new to HTML and PHP and want to achieve a drop-down menu from the mysql table and hard-coded too. I have multiple select in my page, One of them is
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In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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MFC Grid control 2.27 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC Grid control 2.27MFC-Grid-control-2-27MFC Grid control是一款开源的轻量级的MFC表格控件，使用比较广泛，可快速做出各种定制界面的表格。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC Grid control 2.27MFC-Grid-control-2-27MFC Grid control是一款开源的轻量级的MFC表格控件，使用比较广泛，可快速做出各种定制界面的表格。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at...
Split a vector into chunks in R
I have to split a vector into n chunks of equal size in R. I couldn't find any base function to do that. Also Google didn't get me anywhere. So here is what I came up with, hopefully it helps someone some where.
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Is Ruby pass by reference or by value?
@user object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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Calling virtual functions inside constructors
Suppose I have two C++ classes:
13 Answers
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Collisions when generating UUIDs in JavaScript?
This relates to this question . I am using the code below from this answer to generate UUID in JavaScript:
6 Answers
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