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What does %~d0 mean in a Windows batch file?
...ble and expands %I to the
fully qualified name of the first one found.
If the environment variable name is not
defined or the file is not found by the
search, then this modifier expands to the
empty string
You can find the ...
What is `related_name` used for in Django?
... model.
If you don't specify a related_name, Django automatically creates one using the name of your model with the suffix _set, for instance User.map_set.all().
If you do specify, e.g. related_name=maps on the User model, User.map_set will still work, but the User.maps. syntax is obviously a bit...
What is a NullReferenceException, and how do I fix it?
...s normal via a. Note that accessing it via a.Value throws an InvalidOperationException instead of a NullReferenceException if a is null - you should do the check beforehand, i.e. if you have another on-nullable variable int b; then you should do assignments like if (a.HasValue) { b = a.Value; } or s...
PHPDoc type hinting for array of objects?
So, in PHPDoc one can specify @var above the member variable declaration to hint at its type. Then an IDE, for ex. PHPEd, will know what type of object it's working with and will be able to provide a code insight for that variable.
...
How may I sort a list alphabetically using jQuery?
...
One problem that I found with this approach is that, since it's only the text that's being moved around, if you associate data to the DOM nodes using jQuery.data prior to sorting, those associations are now pointing to the wr...
What is the fastest factorial function in JavaScript? [closed]
...uncated so if you're going to use this approach make sure to convert to exponential before using the aforementioned table.
– David Scott Kirby
May 2 '14 at 20:36
...
Using .gitignore to ignore everything but specific directories
... - you essentially have to walk up the paths, you can't wildcard more than one level in any direction:
# Ignore everything:
*
# Except for the themes directories:
!wordpress/
!wordpress/*/
!wordpress/*/wp-content/
!wordpress/*/wp-content/themes/
!wordpress/*/wp-content/themes/*
!wordpress/*/wp-co...
What exactly is an “open generic type” in .NET? [duplicate]
...nt type is an open type.
A constructed type is an open type if and only if one or more of its type arguments is an open type. A constructed nested type is an open type if and only if one or more of its type arguments or the type arguments of its containing type(s) is an open type.
A closed type is ...
ComboBox: Adding Text and Value to an Item (no Binding Source)
... do we realy need this new class ComboboxItem? i think there is one already exist called ListItem.
– Amr Elgarhy
Jun 17 '10 at 16:07
15
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Formatting Decimal places in R
... two decimal places when output to screen (or written to a file). How does one do that?
12 Answers
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