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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
1
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What's the best way to get the last element of an array without deleting it?
... test run the following code snippet is used:
<<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i++){echo ".";for($j=0;$j<100;$j++){ <<option code>> }}; $after=microtime(TRUE); echo "\n...
How to check whether a file or directory exists?
...whether the given file or directory exists
func exists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil { return true, nil }
if os.IsNotExist(err) { return false, nil }
return false, err
}
Edited to add error handling.
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Capistrano error tar: This does not look like a tar archive
...
Whenever I have hit this error it was because the branch specified in my deploy/environment.rb file wasn't checked into git. Do an add / commit / git push origin branch_name and that will likely make things work.
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Why doesn't Java allow generic subclasses of Throwable?
...:
class ParametricException<T> extends Exception { // compile-time error
private final T value;
public ParametricException(T value) { this.value = value; }
public T getValue() { return value; }
}
An attempt to compile the above reports an error:
% javac ParametricException.java
Para...
What is going wrong when Visual Studio tells me “xcopy exited with code 4”
...
Xcopy exit code 4 means "Initialization error occurred. There is not enough memory or disk space, or you entered an invalid drive name or invalid syntax on the command line."
It looks like Visual Studio is supplying invalid arguments to xcopy. Check your post-buil...
How do I add more members to my ENUM-type column in MySQL?
...------------------------------------------+
1 row in set (0.00 sec)
What error are you seeing?
FWIW this would also work:
ALTER TABLE carmake MODIFY COLUMN country ENUM('Sweden','Malaysia');
I would actually recommend a country table rather than enum column. You may have hundreds of countries w...
Twitter API returns error 215, Bad Authentication Data
...= false". We have traced down that it is cURL SSL certificate verification error, that makes Twitter library always return empty response.
– lubosdz
May 14 '15 at 15:20
add a ...
二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...了上述的那些地方，剩下的地方存放 Data Code 数据码 和 Error Correction Code 纠错码。
数据编码
我们先来说说数据编码。QR码支持如下的编码：
Numeric mode 数字编码，从0到9。如果需要编码的数字的个数不是3的倍数，那么，最后...
Detect when an image fails to load in Javascript
...) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound() {
alert('That image is found and loaded');
}
function imageNotFound() {
alert('That image was not found.');
}
testImage("http://foo.com/bar.jpg");
...