大约有 19,300 项符合查询结果（耗时：0.0405秒） [XML]
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...
you don't need '\' inside the parentheses.
– jfs
Oct 15 '15 at 8:31
...
Git diff between current branch and master but not including unmerged master commits
...pecial syntax for this:
git diff master...branch
You must not swap the sides because then you would get the other branch. You want to know what changed in branch since it diverged from master, not the other way round.
Loosely related:
Finding a branch point with Git?
How can I see what branch ...
Can anyone explain python's relative imports?
...
It seems to me that the python's idea is to use "absolute" imports from directory where you launched your parent script. So you can use absolute path "import parent" to import parent module from sibling. And relative imports some kind of legacy or whatever.....
How do different retention policies affect my annotations?
...as
completed, so they aren't written to
the bytecode.
Example: @Override, @SuppressWarnings
RetentionPolicy.CLASS: Discard during
class load. Useful when doing
bytecode-level post-processing.
Somewhat surprisingly, this is the
default.
RetentionPolicy.RUNTIME: Do not
discard. Th...
Passing arguments forward to another javascript function
...
The arguments object contains one element for each actual parameter provided to the function. When you call a you supply three arguments: the numbers 1, 2, and, 3. So, arguments contains [1, 2, 3].
function a(args){
console.log(arguments) // [1, 2, 3]
b(arguments);
}
When you call b, h...
Using Jasmine to spy on a function without an object
...
This will work if the alias is taken inside foo_functions export const FooFunctions = { bar, foo }; and the import in the test becomes import { FooFunctions } from '../foo_functions'. However, the alias still needs to be explicitly used within foo_function...
How to properly check if std::function is empty in C++11?
I was wondering how to properly check if an std::function is empty. Consider this example:
3 Answers
...
Difference between passing array and array pointer into function in C
... to the function, the value of the corresponding
actual argument shall provide access to the first element of an array with at least as many
elements as specified by the size expression.
So, in short, any function parameter declared as T a[] or T a[N] is treated as though it were declared T *a.
...
Is #pragma once part of the C++11 standard?
Traditionally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
...
How to get a specific output iterating a hash in Ruby?
...ere ? . do we need to put a ? in place of key ? ex : |?, array| is this valid syntax ?
– huzefa biyawarwala
Mar 16 '16 at 11:26
1
...