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The cause of “bad magic number” error when loading a workspace and how to avoid it?
I tried to load my R workspace and received this error:
9 Answers
9
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Closing WebSocket correctly (HTML5, Javascript)
...lient connection. The normal TCP socket close method can sometimes be slow and cause applications to think the connection is still open even when it's not.
The browser should really do this for you when you close or reload the page. However, you can make sure a close frame is sent by doing capturin...
Fixed stroke width in SVG
...ncludes writing a small script to do the same, basically inverting the CTM and applying it on the elements that shouldn't scale.
If you want sharper lines you can also disable antialiasing (shape-rendering=optimizeSpeed or shape-rendering=crispEdges) and/or play with the positioning.
...
class
...d
String.value_of 42 # => "42"
This can also be written as a shorthand:
class String
def self.value_of obj
obj.to_s
end
end
Or even shorter:
def String.value_of obj
obj.to_s
end
When inside a function definition, self refers to the object the function is being called with. ...
How to use HTML to print header and footer on every printed page of a document?
Is it possible to print HTML pages with custom headers and footers on each printed page?
17 Answers
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Deny all, allow only one IP through htaccess
I'm trying to deny all and allow only for a single IP. But, I would like to have the following htaccess working for that single IP. I'm not finding a way to have both working: the deny all and allow only one, plus the following options:
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Are there any reasons to use private properties in C#?
...
I use them if I need to cache a value and want to lazy load it.
private string _password;
private string Password
{
get
{
if (_password == null)
{
_password = CallExpensiveOperation();
}
return _password;
...
Can table columns with a Foreign Key be NULL?
... you can clearly indicate that this row is not to be used as a normal row, and can use the row as a way of providing a sort of dynamic default value for other rows.
– Ouroborus
Feb 21 '17 at 17:57
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Parsing JSON Object in Java [duplicate]
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now you can change the return type of the parseJson and getArray to String and add them into an ArrayList which you can later iterate over to get the required data :)
– Code
Jul 1 '13 at 9:50
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What does %s mean in a python format string?
What does %s mean in Python? And what does the following bit of code do?
7 Answers
7...