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Expand/collapse section in UITableView in iOS
...l = true
var itemsInSection: NSMutableArray = []
var sectionTitle: String?
init(itemsInSection: NSMutableArray, sectionTitle: String) {
self.itemsInSection = itemsInSection
self.sectionTitle = sectionTitle
}
}
3.in your tableview
import UIKit
class TableViewContr...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
What is the regex to make sure that a given string contains at least one character from each of the following categories.
...
TypeError: method() takes 1 positional argument but 2 were given
...- it's just that the first one is implicit, from the point of view of the caller.
This is because most methods do some work with the object they're called on, so there needs to be some way for that object to be referred to inside the method. By convention, this first argument is called self inside ...
SQL Server - stop or break execution of a SQL script
...
perfect. does not require sysadmin ultra extra user rights
– Pac0
Nov 5 '18 at 10:40
...
What is Scala's yield?
...ommand line arguments to uppercase */
object Main {
def main(args: Array[String]) {
val res = for (a <- args) yield a.toUpperCase
println("Arguments: " + res.toString)
}
}
The corresponding expression in F# would be
[ for a in args -> a.toUpperCase ]
or
from a in args select ...
Can anyone explain CreatedAtRoute() to me?
...blic virtual Microsoft.AspNetCore.Mvc.CreatedAtRouteResult CreatedAtRoute (string routeName, object routeValues, object content);
As you can see above, the CreatedAtRoute can receive 3 parameters:
routeName
Is the name that you must put on the method that will be the URI that would get that resou...
What good are SQL Server schemas?
...ng schema.
A hint for using this technique -- have a different connection string for each schema in your application / system. Then you deploy the schema elements to a new server and change your connection string when you need to scale.
...
How to add property to a class dynamically?
...ing on. Better late than never.
You can add a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... pass
...
>>> foo = Foo()
>>> foo.a = 3
>>> Foo.b = property(lambda self: self.a + 1)
>>&...
Should each and every table have a primary key?
... creates a primary key if you didn't specify it explicitly, thus making an extra column you don't have access to.
Note that a primary key can be composite.
If you have a many-to-many link table, you create the primary key on all fields involved in the link. Thus you ensure that you don't have two ...
jQuery table sort
...turn $.isNumeric(valA) && $.isNumeric(valB) ? valA - valB : valA.toString().localeCompare(valB)
}
}
function getCellValue(row, index){ return $(row).children('td').eq(index).text() }
table, th, td {
border: 1px solid black;
}
th {
cursor: pointer;
}
<script src="http...