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How to avoid using Select in Excel VBA
...
With ws
Set rng = .Range(.Cells(1,1), .Cells(2,10))
End With
If you do want to work with the ActiveSheet, for clarity it's best to be explicit. But take care, as some Worksheet methods change the active sheet.
Set rng = ActiveSheet.Range("A1")
Again, this refers to the active workbook. Un...
What are the differences between type() and isinstance()?
... is an instance of a base class, too), while checking for equality of type does not (it demands identity of types and rejects instances of subtypes, AKA subclasses).
Normally, in Python, you want your code to support inheritance, of course (since inheritance is so handy, it would be bad to stop cod...
How do I force detach Screen from another SSH session?
..., that Screen session still thinks it's attached. Maybe it is. Perhaps I don't really know what that means.
4 Answers
...
Prevent segue in prepareForSegue method?
...r:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's not then return NO; and the prepareForSegue is not called.
Note that this method doesn't get called automatically when triggering segues programmatically. If ...
How do I concatenate strings in Swift?
...orld"
let first = a + ", " + b
let second = "\(a), \(b)"
You could also do:
var c = "Hello"
c += ", World"
I'm sure there are more ways too.
Bit of description
let creates a constant. (sort of like an NSString). You can't change its value once you have set it. You can still add it to other t...
What's the difference between “static” and “static inline” function?
...e code
int i;
.... // some more code
for (i=0; i<999999; i = Inc(i)) {/*do something here*/};
This tight loop will perform a function call on each iteration, and the function content is actually significantly less than the code the compiler needs to put to perform the call. inline will essentia...
Storing WPF Image Resources
... which will need 10 - 20 small icons and images for illustrative purposes, does storing these in the assembly as embedded resources the right way to go?
...
How can I implement an Access Control List in my Web MVC application?
...bjects)
In this case the main difference you should recognize is that you Domain Objects (in example: Profile) itself contains details about owner. This means, that for you to check, if (and at which level) user has access to it, it will require you to change this line:
$this->acl->isAllowed...
How to overlay images
...
I just got done doing this exact thing in a project. The HTML side looked a bit like this:
<a href="[fullsize]" class="gallerypic" title="">
<img src="[thumbnail pic]" height="90" width="140" alt="[Gallery Photo]" class="pic...
Rails: How can I set default values in ActiveRecord?
...not work when you just call Model.new.
Overriding initialize can work, but don't forget to call super!
Using a plugin like phusion's is getting a bit ridiculous. This is ruby, do we really need a plugin just to initialize some default values?
Overriding after_initialize is deprecated as of Rails 3. ...