大约有 47,000 项符合查询结果（耗时：0.0790秒） [XML]
Java: Instanceof and Generics
...n use that for comparison, i.e.
class YourClass extends SomeOtherClass<String>
{
private Class<?> clazz;
public Class<?> getParameterizedClass()
{
if(clazz == null)
{
ParameterizedType pt = (ParameterizedType)this.getClass().getGenericSuperclass();
...
Format output string, right alignment
...iliar with one of them, the new format seems easier to read. ".format" for string formatting certainly seems more intuitive than percentage/modulo. Right arrow for right alignment seems pretty intuitive too.
– Mark
May 28 '17 at 10:54
...
Jackson JSON custom serialization for certain fields
...plement a custom serializer as follows:
public class Person {
public String name;
public int age;
@JsonSerialize(using = IntToStringSerializer.class, as=String.class)
public int favoriteNumber:
}
public class IntToStringSerializer extends JsonSerializer<Integer> {
@Ove...
Convert from ASCII string encoded in Hex to plain ASCII?
...61756c", "hex") works for Python 2 and Python 3. But it returns a bytes() string in Python 3. But that's reasonable for an ASCII string.
– Mark Evans
Aug 7 '15 at 8:46
...
Avoiding instanceof in Java
... Why do you iterate over all methods instead of using getMethod(String name, Class<?>... parameterTypes)? Or else I would replace == with isAssignableFrom for the parameter's type check.
– Aleksandr Dubinsky
Jan 22 '15 at 16:24
...
AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...行耗时过程
when Button1.Click
do
// 异步调用耗时过程
call AsyncProcedures1.RunProcedure LongRunningProcess
// 异步过程完成后的回调
when AsyncProcedures1.ProcedureCompleted
do
show notification "异步过程执行完成"
带参数的异步过程
...
Can I escape a double quote in a verbatim string literal?
In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?
...
How to convert a string of bytes into an int?
How can I convert a string of bytes into an int in python?
12 Answers
12
...
Difference between this and self in self-type annotations?
...
All three forms are valid, and have the effect that B is assumed as the type of this in class A.
The first two variants
trait A { self: B => ... }
trait A { foo: B => ... }
introduce self (respectively, foo) as an ...
Referring to a file relative to executing script
... case, this problem has no solution. Any approach you might have heard of, and any approach that will be detailed below, has flaws and will only work in specific cases. First and foremost, try to avoid the problem entirely by not depending on the location of your script!
If you need to write a ver...