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Easiest way to rename a model using Django/South?
...aightforward. Run the command:
./manage.py schemamigration yourapp rename_foo_to_bar --empty
(Update 2: try --auto instead of --empty to avoid the warning below. Thanks to @KFB for the tip.)
If you're using an older version of south, you'll need startmigration instead of schemamigration.
Then ...
How can I build XML in C#?
...r friend.
For an XDocument example:
Console.WriteLine(
new XElement("Foo",
new XAttribute("Bar", "some & value"),
new XElement("Nested", "data")));
Or the same with XmlDocument:
XmlDocument doc = new XmlDocument();
XmlElement el = (XmlElement)doc.AppendChild(doc.CreateEl...
Why does an overridden function in the derived class hide other overloads of the base class?
...on results.
For example, let's say the base class B has a member function foo that takes a parameter of type void *, and all calls to foo(NULL) are resolved to B::foo(void *). Let's say there's no name hiding and this B::foo(void *) is visible in many different classes descending from B. However, l...
Interpolating a string into a regex
...
Same as string insertion.
if goo =~ /#{Regexp.quote(foo)}/
#...
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Get class name of object as string in Swift
...e.self)
String from a type:
String(describing: self)
Example:
struct Foo {
// Instance Level
var typeName: String {
return String(describing: Foo.self)
}
// Instance Level - Alternative Way
var otherTypeName: String {
let thisType = type(of: self)
...
Dynamically set local variable [duplicate]
...u cannot modify locals() directly and expect it to work.
>>> def foo():
lcl = locals()
lcl['xyz'] = 42
print(xyz)
>>> foo()
Traceback (most recent call last):
File "<pyshell#6>", line 1, in <module>
foo()
File "<pyshell#5>", line 4, in foo
...
What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...
In VB:
from m in MyTable
take 10
select m.Foo
This assumes that MyTable implements IQueryable. You may have to access that through a DataContext or some other provider.
It also assumes that Foo is a column in MyTable that gets mapped to a property name.
See http...
How ViewBag in ASP.NET MVC works
... Object , which intrigues me, how does "Magic" properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work?
...
How to replace strings containing slashes with sed?
...not part of either string. Or, you could escape it with a backslash:
s/\//foo/
Which would replace / with foo. You'd want to use the escaped backslash in cases where you don't know what characters might occur in the replacement strings (if they are shell variables, for example).
...
How do I load the contents of a text file into a javascript variable?
I have a text file in the root of my web app http://localhost/foo.txt and I'd like to load it into a variable in javascript.. in groovy I would do this:
...