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Best way to initialize (empty) array in PHP
... 5.4, perhaps influenced by the implementations of support for popular databases like MongoDB (which use ECMAScript syntax).
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How can I troubleshoot my Perl CGI script?
...ironment)
is considered tainted. Environment variables such as PATH and
LD_LIBRARY_PATH
are particularly troublesome. You have to set these to a safe value
or unset them completely, as I recommend. You should be using absolute
paths anyway. If taint checking complains about something else,
make ...
Concatenating two lists - difference between '+=' and extend()
... function call, which is slightly more expensive in Python than the INPLACE_ADD.
It's really nothing you should be worrying about, unless you're performing this operation billions of times. It is likely, however, that the bottleneck would lie some place else.
...
How to Implement Custom Table View Section Headers and Footers with Storyboard
...ntifier:. You do not use a cell prototype with this API (it's either a NIB-based view or a programmatically created view), but this is the new API for dequeued headers and footers.
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How to remove all of the data in a table using Django
...
Inside a manager:
def delete_everything(self):
Reporter.objects.all().delete()
def drop_table(self):
cursor = connection.cursor()
table_name = self.model._meta.db_table
sql = "DROP TABLE %s;" % (table_name, )
cursor.execute(sql)
...
How does Rails keep track of which migrations have run for a database?
...
Rails creates a table in your database called schema_migrations to keep track of which migrations have run.
The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row f...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...
Based on the fact that the request isn't sent on the default port 80/443 this Ajax call is automatically considered a cross-origin resource (CORS) request, which in other words means that the request automatically issues an O...
Should I be using object literals or constructor functions?
...on () {
return this.x + this.y + this.z;
}
};
var ObjCon = function(_x, _y, _z) {
var x = _x; // private
var y = _y; // private
this.z = _z; // public
this.add = function () {
return x + y + this.z; // note x, y doesn't need this.
};
};
// use the objects:
objLit.x = 3;
objLit...
Pass a parameter to a fixture function
...ata during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
...
What does passport.session() middleware do?
...one(err, user);
});
});
This will find the correct user from the database and pass it as a closure variable into the callback done(err,user); so the above code in the passport.session() can replace the 'user' value in the req object and pass on to the next middleware in the pile.
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