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Convert Int to String in Swift
...
Converting Int to String:
let x : Int = 42
var myString = String(x)
And the other way around - converting String to Int:
let myString : String = "42"
let x: Int? = myString.toInt()
if (x != nil) {
// Successfully converted String to Int
}
Or if ...
When to use lambda, when to use Proc.new?
...xpect:
def whowouldwin
mylambda = lambda {return "Freddy"}
mylambda.call
# mylambda gets called and returns "Freddy", and execution
# continues on the next line
return "Jason"
end
whowouldwin
#=> "Jason"
Now here's a Proc.new-created proc's return doing the same thing. You're a...
Emacs in Windows
... of emacsclient that starts the Emacs server if no server is running (open all your files in the same Emacs window)
it includes several useful packages such as Nxml
it has a Windows installer or you can build it from sources
And concerning XEmacs, according to this post by Steve Yegge:
To summ...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
...
end
Here, I can see that I may both read and write the age.
class Person
attr_reader :age
...
end
Here, I can see that I may only read the age. Imagine that it is set ...
Creating instance of type without default constructor in C# using reflection
...
I originally posted this answer here, but here is a reprint since this isn't the exact same question but has the same answer:
FormatterServices.GetUninitializedObject() will create an instance without calling a constructor. I found...
Can you change what a symlink points to after it is created?
Does any operating system provide a mechanism (system call — not command line program) to change the pathname referenced by a symbolic link (symlink) — other than by unlinking the old one and creating a new one?
...
jQuery UI dialog positioning
...at if you're creating the dialog for the first time, you'll need an extra call to dialog like this: $('#dialog').dialog({ width: 300 /* insert your options */ }).dialog('widget').position({ my: 'left', at: 'right', of: $(this) });
– wsanville
Dec 16 '10 at 16:1...
Could someone explain the pros of deleting (or keeping) unused code?
...ped, separate package, loosely coupled etc) it doesn't disturbs you on overall code analysis or refactoring
If it exists in the code base, no matter how well organized, it contributes to the maintenance and comprehension burden. True, it can be organized so as to be less of a burden, but if it...
Define variable to use with IN operator (T-SQL)
... myColumn in (SELECT id FROM myIdTable WHERE id > 10)
2) Using dynamically concatenated TSQL
DECLARE @sql varchar(max)
declare @list varchar(256)
select @list = '1,2,3'
SELECT @sql = 'SELECT * FROM myTable WHERE myColumn in (' + @list + ')'
exec sp_executeSQL @sql
3) A possible third ...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...r valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in...