大约有 12,000 项符合查询结果（耗时：0.0391秒） [XML]
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...mple:
Model:
public class MyViewModel
{
[Required]
public string Foo { get; set; }
}
Controller:
public class HomeController : Controller
{
public ActionResult Index()
{
return View(new MyViewModel());
}
[HttpPost]
public ActionResult Index(MyViewModel model...
sqlalchemy IS NOT NULL select
...
In case anyone else is wondering, you can use is_ to generate foo IS NULL:
>>> from sqlalchemy.sql import column
>>> print column('foo').is_(None)
foo IS NULL
>>> print column('foo').isnot(None)
foo IS NOT NULL
...
Retrieve specific commit from a remote Git repository
...ds/master is specified in transfer.hideRefs and
the current namespace is foo, then refs/namespaces/foo/refs/heads/master
is omitted from the advertisements but refs/heads/master and
refs/namespaces/bar/refs/heads/master are still advertised as so-called
"have" lines.
In order to match refs...
Modulo operator with negative values [duplicate]
...imizing divide-by-power-of-two operations as shifts. Under the old rules, foo /= 16 could be written as asr [dword foo],4. Under the new rules, the optimal representation requires many more instructions [perhaps mov eax,[foo] / mov ebx,eax, asr eax,31 / lsr eax,28 / add eax,ebx / asr eax,4 / mov [...
Type converting slices of interfaces
...n: https://github.com/golang/go/wiki/InterfaceSlice
var dataSlice []int = foo()
var interfaceSlice []interface{} = make([]interface{}, len(dataSlice))
for i, d := range dataSlice {
interfaceSlice[i] = d
}
share
...
Python Logging (function name, file name, line number) using a single file
...you is the string formatting using a dict as the RHS of the % operator. "%(foo)s" % bar will be replaced by whatever the value of bar["foo"] is.
Finally, you can use some introspection tricks, similar to those used by pdb that can log more info:
def autolog(message):
"Automatically log the cur...
What is the difference between Python's list methods append and extend?
...the end of my_list as a single entry on the list.
>>> my_list
['foo', 'bar']
>>> my_list.append('baz')
>>> my_list
['foo', 'bar', 'baz']
So keep in mind that a list is an object. If you append another list onto a list, the first list will be a single object at the end ...
What is a Manifest in Scala and when do you need it?
...nted to treat a List[String] differently from other types of a List:
def foo[T](x: List[T])(implicit m: Manifest[T]) = {
if (m <:< manifest[String])
println("Hey, this list is full of strings")
else
println("Non-stringy list")
}
foo(List("one", "two")) // Hey, this l...
What does %w(array) mean?
...
%w(foo bar) is a shortcut for ["foo", "bar"]. Meaning it's a notation to write an array of strings separated by spaces instead of commas and without quotes around them. You can find a list of ways of writing literals in zenspide...
How to create arguments for a Dapper query dynamically
...ffer a full example here.
string query = "SELECT * FROM MyTableName WHERE Foo = @Foo AND Bar = @Bar";
Dictionary<string, object> dictionary = new Dictionary<string, object>();
dictionary.Add("@Foo", "foo");
dictionary.Add("@Bar", "bar");
var results = connection.Query<MyTableName&g...