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How do I find out my MySQL URL, host, port and username?
...
If you're already logged into the command line client try this:
mysql> select user();
It will output something similar to this:
+----------------+
| user() |
+----------------+
| root@localhost |
+-------------...
Run PHP Task Asynchronously
...l your server load is idle, letting you manage your load quite effectively if you can partition off "tasks which aren't urgent" easily.
Rolling your own isn't too tricky, here's a few other options to check out:
GearMan - this answer was written in 2009, and since then GearMan looks a popular opt...
Using Linq to get the last N elements of a collection?
...collection, is there a way to get the last N elements of that collection? If there isn't a method in the framework, what would be the best way to write an extension method to do this?
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Why is === faster than == in PHP?
...uality operator == coerces, or converts, the data type temporarily to see if it’s equal to the other operand, whereas === (the identity operator) doesn’t need to do any converting whatsoever and thus less work is done, which makes it faster.
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Truncate number to two decimal places without rounding
... happen with floating point values (and on the other side of the spectrum, if the number happens to be 15, sounds like the OP wants 15.00).
– T.J. Crowder
Nov 15 '10 at 17:38
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Redirecting to previous page after authentication in node.js using passport.js
.....then I redirect to /login
auth.restrict = function(req, res, next){
if (!req.session.userid) {
req.session.redirectTo = '/account';
res.redirect('/login');
} else {
next();
}
};
Then in routes.login.post I do the following:
var redirectTo = req.session.redir...
android EditText - finished typing event
...ean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH ||
actionId == EditorInfo.IME_ACTION_DONE ||
event != null &&
event.getAction() == KeyEvent.ACTION_DOWN &&am...
Find an item in List by LINQ?
...list).
1) Single will return a single result, but will throw an exception if it finds none or more than one (which may or may not be what you want):
string search = "lookforme";
List<string> myList = new List<string>();
string result = myList.Single(s => s == search);
Note SingleO...
AngularJS ngClass conditional
...s truthy or falsey, a bit similar to Javascript expressions but with some differences, you can read about here.
If your conditional is too complex, then you can use a function that returns truthy or falsey, as you did in your third attempt.
Just to complement: You can also use logical operators to ...
Clear variable in python
...ing a variable to null in PHP gives you similar behaviour in most cases as if you hadn't defined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane details, at leas...