大约有 47,000 项符合查询结果（耗时：0.0624秒） [XML]
Can an array be top-level JSON-text?
...sequence of tokens. The set of tokens includes six structural characters, strings, numbers, and three literal names."
– antak
Mar 10 '16 at 11:34
add a comment
...
Java: is there a map function?
...le:
// example, converts a collection of integers to their
// hexadecimal string representations
final Collection<Integer> input = Arrays.asList(10, 20, 30, 40, 50);
final Collection<String> output =
Collections2.transform(input, new Function<Integer, String>(){
@Over...
How do I copy a file in Python?
...copied with this function.
With copy, src and dst are path names given as strings.
If you use os.path operations, use copy rather than copyfile. copyfile will only accept strings.
share
|
improv...
How to get a json string from url?
...Use the WebClient class in System.Net:
var json = new WebClient().DownloadString("url");
Keep in mind that WebClient is IDisposable, so you would probably add a using statement to this in production code. This would look like:
using (WebClient wc = new WebClient())
{
var json = wc.DownloadSt...
How to cancel a Task in await?
...rivate int slowFunc(int a, int b, CancellationToken cancellationToken)
{
string someString = string.Empty;
for (int i = 0; i < 200000; i++)
{
someString += "a";
if (i % 1000 == 0)
cancellationToken.ThrowIfCancellationRequested();
}
return a + b;
}
...
What does a lazy val do?
... But it will lead to the same StackOverflowException if your toString method outputs "foo" attribute. Nice example of "lazy" anyway!!!
– Fuad Efendi
Dec 17 '16 at 0:13
...
How to remove all the null elements inside a generic list in one go?
...null.
Here's a test:
class Test { }
class Program
{
static void Main(string[] args)
{
var list = new List<Test>();
list.Add(null);
Console.WriteLine(list.OfType<Test>().Count());// 0
list.Add(new Test());
Console.WriteLine(list.OfType<...
How to check whether a string contains a substring in JavaScript?
Usually I would expect a String.contains() method, but there doesn't seem to be one.
3 Answers
...
.htaccess not working apache
...
I putted "A STRING" in my .htaccess, so I'd receive a error, so I putted AllowOverride All in all apache2.conf in my Debian and it works
– Alex
Dec 6 '17 at 2:20
...
How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...tion function:
public void InitFooFuncOnFooMock(Mock<IFoo> fooMock, string a, bool b = false)
{
if(!b)
{
fooMock.Setup(mock => mock.Foo(a, b)).Returns(false);
}
else
{
...
}
}
...