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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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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...
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 ...
What is duck typing?
...you don't need a type in order to invoke an existing method on an object - if a method is defined on it, you can invoke it.
The name comes from the phrase "If it looks like a duck and quacks like a duck, it's a duck".
Wikipedia has much more information.
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Differences between C++ string == and compare()?
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Returns: lhs.compare(rhs) == 0.
Seems like there isn't much of a difference!
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How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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Check if DataRow exists by column name in c#? [duplicate]
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You should try
if (row.Table.Columns.Contains("US_OTHERFRIEND"))
I don't believe that row has a columns property itself.
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python ? (conditional/ternary) operator for assignments [duplicate]
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Python has such an operator:
variable = something if condition else something_else
Alternatively, although not recommended (see @karadoc's comment):
variable = (condition and something) or something_else
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Simple 'if' or logic statement in Python [closed]
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If key isn't an int or float but a string, you need to convert it to an int first by doing
key = int(key)
or to a float by doing
key = float(key)
Otherwise, what you have in your question should work, but
if (key < ...