大约有 45,000 项符合查询结果（耗时：0.0447秒） [XML]
Is it good style to explicitly return in Ruby?
......
def plus_one_to_y(x)
@y = x + 1
puts "In plus_one_to_y"
end
Now the function is broken if anything expects a returned value. If nothing expects a returned value, it's fine. Clearly if somewhere further down the code chain, something calling this is expecting a returned value, it's g...
Get a filtered list of files in a directory
...
There is one main difference: glob.glob('145592*.jpg') prints the whole absolute path of files while ls 145592*.jpg prints only the list of files.
– Ébe Isaac
Dec 2 '16 at 18:12
...
Reducing the space between sections of the UITableView
... I think such behavior was added in iOS 5.0 or iOS 6.0, but yes - it's now much easier to setup distance between groups.
– Vlas Voloshin
Jun 5 '13 at 7:22
2
...
Python dictionary: Get list of values for list of keys
...
If mydict is a function call (that returns a dict) then this calls the function multiple times, right?
– endolith
Sep 30 '18 at 3:09
...
Is there a difference between “==” and “is”?
...
is will return True if two variables point to the same object, == if the objects referred to by the variables are equal.
>>> a = [1, 2, 3]
>>> b = a
>>> b is a
True
>>> b == a
True
# Make a new copy of list...
How to get current time and date in C++?
...
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation here
...
How to change JFrame icon [duplicate]
... what should be the size of the icon?.. im gonna create one now ..
– Anand
Oct 23 '09 at 17:18
3
...
How to do relative imports in Python?
...__ attribute to determine that module's position in the package hierarchy. If the module's name does not contain any package information (e.g. it is set to '__main__') then relative imports are resolved as if the module were a top level module, regardless of where the module is actually located on t...
Android search with Fragments
Does somebody know of a tutorial or an example of how to implement the standard Android search interface with Fragment s? In other words, is it possible to put a standard search with a SearchManager in a Fragment?
...
What's the difference between globals(), locals(), and vars()?
What is the difference between globals() , locals() , and vars() ? What do they return? Are updates to the results useful?
...