大约有 47,000 项符合查询结果（耗时：0.0528秒） [XML]
How do I pass a unique_ptr argument to a constructor or a function?
...hey must do one of the following:
Base newBase(std::move(nextBase));
Base fromTemp(std::unique_ptr<Base>(new Base(...));
To take a unique pointer by value means that you are transferring ownership of the pointer to the function/object/etc in question. After newBase is constructed, nextBase ...
How to delete all data from solr and hbase
How do I delete all data from solr by command? We are using solr with lily and hbase .
18 Answers
...
jQuery AJAX cross domain
...e quotes. jQuery will pass it's own callback name, so you need to get that from the GET params.
And as Stefan Kendall posted, $.getJSON() is a shorthand method, but then you need to append 'callback=?' to the url as GET parameter (yes, value is ?, jQuery replaces this with its own generated callbac...
Convert Python program to C/C++ code? [closed]
...nces. And the interfacing with Python you get in all cases where you use C from Python.
– Lennart Regebro
Jan 10 '11 at 19:30
add a comment
|
...
Why are these numbers not equal?
...E(all.equal(0.1+0.1, 0.15))
#[1] FALSE
Some more detail, directly copied from an answer to a similar question:
The problem you have encountered is that floating point cannot represent decimal fractions exactly in most cases, which means you will frequently find that exact matches fail.
while R ...
throwing exceptions out of a destructor
... fails... There is really no good way to protect against exceptions thrown from destructors, so the library makes no guarantees if an element destructor throws" (from Appendix E3.2) .
...
Generate all permutations of a list without adjacent equal elements
...tic; it could be reduced to linear (optimal) with better data structures.
from collections import Counter
from itertools import permutations
from operator import itemgetter
from random import randrange
def get_mode(count):
return max(count.items(), key=itemgetter(1))[0]
def enum2(prefix, x,...
how to unit test file upload in django
...
From Django docs on Client.post:
Submitting files is a special case. To POST a file, you need only
provide the file field name as a key, and a file handle to the file
you wish to upload as a value. For example:
c = ...
What is the iPad user agent?
From what I gather, the iPad is using iPhone OS, but with a different screen resolution from the iPhone and iPod touch. So many sites may have to change their user agent detection to adapt to the iPad.
...
Why does Google prepend while(1); to their JSON responses?
...e content of HTTP responses are protected by the Same Origin Policy: pages from one domain cannot get any pieces of information from pages on the other domain (unless explicitly allowed).
An attacker can request pages on other domains on your behalf, e.g. by using a <script src=...> or <im...