大约有 46,000 项符合查询结果（耗时：0.0605秒） [XML]
STL：accumulate与自定义数据类型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...mulate()的原型为(文件取自DEV-C++编译器)：
template<typename _InputIterator, typename _Tp, typename _BinaryOperation>
_Tp accumulate(_InputIterator __first, _InputIterator __last, _Tp __init,
_BinaryOperation __binary_op)
{
// concept requirements
__glibcxx...
How do I run a Ruby file in a Rails environment?
...------
#!/usr/bin/env /Users/me/rails_project/script/rails runner
Product.all.each { |p| p.price *= 2 ; p.save! }
-------------------------------------------------------------
share
|
improve this...
Sorting Python list based on the length of the string
... |
edited Jul 18 at 14:16
answered Apr 6 '10 at 18:47
El...
Open a new tab in gnome-terminal using command line [closed]
...ferent commands in different tabs. No matter where I add the commands they all get executed in the first tab. Can you include a solution for this?
– Calin
May 3 '11 at 21:25
10
...
Getting value of public static final field/property of a class in Java via reflection
...t(null);
Exception handling is left as an exercise for the reader.
Basically you get the field like any other via reflection, but when you call the get method you pass in a null since there is no instance to act on.
This works for all static fields, regardless of their being final. If the field ...
How to query SOLR for empty fields?
...
netcodernetcoder
60k1616 gold badges116116 silver badges139139 bronze badges
...
Python timedelta in years
... year=from_date.year-years)
Your question originally said you wanted to know how many years it's been since some date. Assuming you want an integer number of years, you can guess based on 365.25 days per year and then check using either of the yearsago functions defined a...
class method generates “TypeError: … got multiple values for keyword argument …”
...
165
The problem is that the first argument passed to class methods in python is always a copy of t...
Is it pythonic to import inside functions?
...at it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
One other point, I prefer to get an ImportError exception before any code is r...
setTimeout / clearTimeout problems
...
answered Jul 24 '12 at 15:16
clamiaxclamiax
6411 silver badge77 bronze badges
...