大约有 30,000 项符合查询结果(耗时:0.0606秒) [XML]
Python list directory, subdirectory, and files
...e hard-coded path ./ in the os.walk(...) call, you can supplement any path string you like.
Note: os.path.expanduser and/or os.path.expandvars can be used for paths strings like ~/
Extending this example:
Its easy to add in file basename tests and directoryname tests.
For Example, testing for *...
How do I get the type of a variable?
...s make it too hard, for example! who says its good to write cout << "String"
– Waqas Tahir
Aug 4 '15 at 16:17
...
How to check whether an object has certain method/property?
...hing like that :
public static bool HasMethod(this object objectToCheck, string methodName)
{
var type = objectToCheck.GetType();
return type.GetMethod(methodName) != null;
}
Edit : you can even do an extension method and use it like this
myObject.HasMethod("SomeMethod");
...
Why does the C# compiler not fault code where a static method calls an instance method?
...:
class SillyStuff
{
static void SameName(object o) { }
void SameName(string s) { }
public static void Test()
{
SameName("Hi mom");
}
}
This will not compile because the best overload is the one taking a string. But hey, that's an instance method, so compiler complains (instead of ...
returning a Void object
...<T> action) {
return action.execute();
}
you can call it like
String result = executeAction(new Action<String>() {
@Override
public String execute() {
//code here
return "Return me!";
}
});
or, for the void action (note that you're not assigning the r...
How to apply bindValue method in LIMIT clause?
...
Which prevents values passed per ->execute([...]) to always show up as strings.
Switch to manual ->bindValue(..., ..., PDO::PARAM_INT) parameter population.
Which however is less convenient than an ->execute list[].
Simply make an exception here and just interpolate plain integers when pr...
Get file name and extension in Ruby
...
Note that extn is the string ".mp4" or even the string ".*".
– Phrogz
Dec 27 '13 at 5:53
...
A monad is just a monoid in the category of endofunctors, what's the problem?
...gt; Anything including Anything else. As my imagination jumps to Int -> String, it also includes Integer -> Maybe Int, or even Maybe Double -> Either String Int where a :: Maybe Double; b :: Either String Int.
So the statement comes together as follows:
functor scope :: f a -> g b ...
Can I make the foreign key field optional in Django model
...go are never saved as NULL. Blank values are stored in the DB as an empty string ('').
– fang_dejavu
Jun 20 '16 at 18:32
8
...
Select the values of one property on all objects of an array in PowerShell
...your case, you can just do the following to have a variable be an array of strings, where the strings are the Name property:
$objects = ls | select -ExpandProperty Name
share
|
improve this answer...