大约有 16,000 项符合查询结果（耗时：0.0316秒） [XML]
Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:
My problem: I have a superview EditView that takes up basically the entire application frame, and a subview MenuView which takes up only the bottom ~20%, and then MenuView contains its own subview ButtonView which actually resides outside of MenuView 's bounds (something like this: Button...
Get generic type of class at runtime
... the type, this is the usual (type-safe) workaround pattern:
public class GenericClass<T> {
private final Class<T> type;
public GenericClass(Class<T> type) {
this.type = type;
}
public Class<T> getMyType() {
return this.type;
}
...
How can I see normal print output created during pytest run?
...times I want to just insert some print statements in my code, and see what gets printed out when I exercise it. My usual way to "exercise" it is with existing pytest tests. But when I run these, I don't seem able to see any standard output (at least from within PyCharm, my IDE).
...
How to copy files between two nodes using ansible
I need to copy file form machine A to machine B whereas my control machine from where i run all my ansible tasks is machine C(local machine)
...
Run a single Maven plugin execution?
I thought I was an experienced Maven user, but I am having a mental block on how to do this!
2 Answers
...
How is “int main(){(([](){})());}” valid C++?
...
The code essentially calls an empty lambda.
Let's start from the beginning: [](){} is an empty lambda expression.
Then, in C and C++, you can wrap expressions in parens and they behave exactly the same† as if written without them, so that's what the first pair...
Git command to display HEAD commit id?
...
Jorge Ferreira
85.8k2323 gold badges107107 silver badges129129 bronze badges
answered Dec 28 '09 at 4:44
Randal SchwartzRandal Schw...
Why use static_cast(x) instead of (int)x?
I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why?
...
What's the point of 'const' in the Haskell Prelude?
...l for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y = x >>= \_...
How to import an excel file in to a MySQL database
...://dev.mysql.com/doc/refman/5.1/en/load-data.html
Look half way down the page, as it will gives a good example for tab separated data:
FIELDS TERMINATED BY '\t' ENCLOSED BY '' ESCAPED BY '\'
Check your data. Sometimes quoting or escaping has problems, and you need to adjust your source, import comm...