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Error: “The node to be inserted is from a different document context”
When I am calling XmlNode.AppendChild() , I get this error:
1 Answer
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How to write a Ruby switch statement (case…when) with regex and backreferences?
I know that I can write a Ruby case statement to check a match against a regular expressions.
However, I'd like to use the match data in my return statement. Something like this semi-pseudocode:
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How can I do test setup using the testing package in Go
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Starting with Go 1.4 you can implement setup/teardown (no need to copy your functions before/after each test). The documentation is outlined here in the Main section:
TestMain runs in the main goroutine and can do whatever setup and
teardown is nece...
How do I add a ToolTip to a control?
I have some controls that I would like to display a ToolTip for when the mouse is hovering over it. How can I do this? I would like to know how to do this properly in code, but also in the designer (There is a ToolTip component in the toolbox, but I don't quite.. get it).
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Convert timestamp to date in MySQL query
I want to convert a timestamp in MySQL to a date.
10 Answers
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Is having an 'OR' in an INNER JOIN condition a bad idea?
In trying to improve the speed of an immensely slow query (several minutes on two tables with only ~50,000 rows each, on SQL Server 2008 if it matters), I narrowed down the problem to an OR in my inner join, as in:
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What is the correct way of using C++11's range-based for?
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Let's start differentiating between observing the elements in the container
vs. modifying them in place.
Observing the elements
Let's consider a simple example:
vector<int> v = {1, 3, 5, 7, 9};
for (auto x : v)
cout << x << ' ';
The above code print...
Scrolling a flexbox with overflowing content
... Tab Atkins (author of the flexbox spec) about this, and this is what we came up with:
HTML:
<div class="content">
<div class="box">
<div class="column">Column 1</div>
<div class="column">Column 2</div>
<div class="column">Colum...
How to verify that method was NOT called in Moq?
How do I verify that method was NOT called in Moq ?
5 Answers
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In Python, how do you convert seconds since epoch to a `datetime` object?
The time module can be initialized using seconds since epoch:
4 Answers
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