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Default template arguments for function templates
...create a sort function:
template<typename Iterator,
typename Comp = std::less<
typename std::iterator_traits<Iterator>::value_type> >
void sort(Iterator beg, Iterator end, Comp c = Comp()) {
...
}
C++0x introduces them to C++. See this defect report by Bj...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...
#输出成功
{
"info" : "Config now saved locally. Should come online in about a minute.",
"ok" : 1
}
#查看日志，副本集启动成功后，138为主节点PRIMARY，136、137为副本节点SECONDARY。
Sun Dec 29 20:26:13.842 [conn3] replSet replSetInitiate ad...
std::string formatting like sprintf
...ave write access to the underlying buffer (until C++11; see Dietrich Epp's comment). You'll have to do it first in a c-string, then copy it into a std::string:
char buff[100];
snprintf(buff, sizeof(buff), "%s", "Hello");
std::string buffAsStdStr = buff;
But I'm not sure why you wouldn't jus...
__lt__ instead of __cmp__
Python 2.x has two ways to overload comparison operators, __cmp__ or the "rich comparison operators" such as __lt__ . The rich comparison overloads are said to be preferred, but why is this so?
...
Sanitizing strings to make them URL and filename safe?
I am trying to come up with a function that does a good job of sanitizing certain strings so that they are safe to use in the URL (like a post slug) and also safe to use as file names. For example, when someone uploads a file I want to make sure that I remove all dangerous characters from the name.
...
How does OAuth 2 protect against things like replay attacks using the Security Token?
...er is reading this please head to the git gist that Paolo mentioned in his comment of the question (gist.github.com/mziwisky/10079157). A good complementary read to make the concept crystal clear.
– Samiron
Dec 17 '16 at 14:08
...
Why does this method print 4?
...e increments to 460,000.
The results are available at: https://www.google.com/fusiontables/DataSource?docid=1xkJhd4s8biLghe6gZbcfUs3vT5MpS_OnscjWDbM
I've created another version where every repeated data point is removed. In other words, only points that are different from the previous are shown. T...
Fragment onCreateView and onActivityCreated called twice
...
where is the ft.commit() method call ??
– MSaudi
Nov 4 '13 at 7:32
1
...
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...ck and dirty first pass solution is always a great one to start with, as a comparison if nothing else.
Greedy placement from large to small.
Put the largest rectangle remaining into your packed area. If it can't fit anywhere, place it in a place that extends the pack region as little as possible. ...
Quickly reading very large tables as dataframes
...t nrows=the number of records in your data (nmax in scan).
Make sure that comment.char="" to turn off interpretation of comments.
Explicitly define the classes of each column using colClasses in read.table.
Setting multi.line=FALSE may also improve performance in scan.
If none of these thing wo...