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How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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WPF Data Binding and Validation Rules Best Practices
...validation in when the user clicks save. However, all the WPF books I have read don't really devote any space to this issue. I see that you can create custom ValidationRules, but I am wondering if this would be overkill for my needs.
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Possible to iterate backwards through a foreach?
...he way that Count() does.) Note that this buffering means that the data is read completely when you first start iterating, whereas FastReverse will "see" any changes made to the list while you iterate. (It will also break if you remove multiple items between iterations.)
For general sequences, ther...
Type of conditional expression cannot be determined because there is no implicit conversion between
...way is obviously:
int? number = true ? 5 : (int?)null;
but now we have to read a different clause in the spec to understand why this is okay:
If x has type X and y has type Y then
If an implicit conversion (§6.1) exists from X to Y, but not from Y to X, then Y is the type of the conditional expr...
Is there an auto increment in sqlite?
...
Have you read this? How do I create an AUTOINCREMENT field.
INSERT INTO people
VALUES (NULL, "John", "Smith");
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How do I redirect in expressjs while passing some context?
...nother way of doing it is by setting something up in the session. You can read how to set it up here, but to set and access variables is something like this:
app.get('/category', function(req, res) {
req.session.valid = true;
res.redirect('/');
});
And later on after the redirect...
app.get...
What does “./bin/www” do in Express 4.x?
...he start script in your package.json, heroku will automatically uses that, read more here
"scripts": {
"start": "node ./bin/www",
}
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Finding current executable's path without /proc/self/exe
...specific interfaces:
Mac OS X: _NSGetExecutablePath() (man 3 dyld)
Linux: readlink /proc/self/exe
Solaris: getexecname()
FreeBSD: sysctl CTL_KERN KERN_PROC KERN_PROC_PATHNAME -1
FreeBSD if it has procfs: readlink /proc/curproc/file (FreeBSD doesn't have procfs by default)
NetBSD: readlink /proc/cur...
What is an MvcHtmlString and when should I use it?
...prevent XSS.
However, this introduces the problem that if a code nugget already encodes its result, the <%: %> syntax will re-encode it. This is solved by the introduction of the IHtmlString interface (new in .NET 4). If the foo() in <%: foo() %> returns an IHtmlString, the <%: %&g...
How to change line-ending settings
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Actually, if you re-read your own question, in the copy/pasted excerpts : "1 ... ("core.autocrlf" is set to "true") ... 2 ... ("core.autocrlf" is set to "input") ... 3 ... ("core.autocrlf" is set to "false")" so you basically answered your own q...