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MySQL error 1449: The user specified as a definer does not exist
...ERROR 1142 (42000): TRIGGER command denied to user 'web2vi'@'%' for table 'foo' and should add this command grant all on *.* to 'web2vi'@'%' identified by '' after creating user
– zhuguowei
Feb 2 '16 at 9:49
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How to store arbitrary data for some HTML tags
...ent with jQuery.
To store something:
$('#myElId').data('nameYourData', { foo: 'bar' });
To retrieve data:
var myData = $('#myElId').data('nameYourData');
That is all that there is to it but take a look at the jQuery documentation for more info/examples.
...
Validating URL in Java
... urlValidator = new UrlValidator(schemes);
if (urlValidator.isValid("ftp://foo.bar.com/")) {
System.out.println("URL is valid");
} else {
System.out.println("URL is invalid");
}
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How can I get my webapp's base URL in ASP.NET MVC?
...ation? I.e., if IIS is set to serve my application at http://example.com/foo/bar , then I'd like to be able to get that URL in a reliable way that doesn't involve getting the current URL from the request and chopping it up in some fragile way that breaks if I re-route my action.
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Debug code-first Entity Framework migration codes
...ired db-migration
migrate.exe "Your.Migrations.Assembly.dll" /scriptFile="foo.sql" /verbose /startupConfigurationFile="Your.Migrations.Assembly.config"
Once the debugger-selector dialog pops up pick the visual studio instance that you have already opened.
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How do I assert equality on two classes without an equals method?
....SHORT_PREFIX_STYLE)
.setExcludeFieldNames(new String[] { "foo", "bar" }).toString()
You then compare the two strings as normal. For the point about reflection being slow, I assume this is only for testing, so shouldn't be so important.
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Difference between JSONObject and JSONArray
...ata: [datum0, datum1, datumN]}
then later you can add more...
{status: "foo", data: [datum0, datum1, datumN]}
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Check if a class has a member function of a given signature
... int & operator*() const {
return *_pint;
}
int & foo() const {
return *_pint;
}
int * _pint;
};
// To test
struct sub_int_ref : int_ref{};
// To test
template<typename E>
struct ee_ref
{
E & operator*() {
return *_pe;
}
E &a...
Haskell function composition (.) and function application ($) idioms: correct use
...ore imperative -- first get the result of g of x, then do f to it, then do foo to it, then etc.
Meanwhile a chain of . is arguably more declarative, and in some sense closer to a dataflow centric view -- compose a series of functions, and ultimately apply them to something.
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How to recursively find the latest modified file in a directory?
...'| sort -n | tail -n1
Result looks like this:
2015-10-06 11:30: +0200 ./foo/bar.txt
To show more files, replace -n1 with a higher number
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