大约有 18,000 项符合查询结果（耗时：0.0197秒） [XML]
cout保留两位小数输出 - C/C++ - 清泛网 - 专注C/C++及内核技术
...precision函数需要引入该头文件
int main() {
double dval = 123.456789;
// C风格
printf("in C: %.2f\n", dval);
// cout固定输出几位（整数+小数一起）
std::cout << std::setprecision(5) << dval << std::endl;
// cout固定输出2位小数，整数...
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ze------
google::protobuf::TestValue msg_val;
msg_val.set_number_value(123.f);
std::string str = msg_val.SerializeAsString();
std::cout << "--------- len:" << str.length() << ":" << str << std::endl;
google::protobuf::Test message;
message.mutable_fields()->operator []("test") = msg_va...
A regular expression to exclude a word/string
...ropagate the query string too? So if someone visits mydomain.com/hello?abc=123 I'd like it to rewrite to mydomain.com/Profile.aspx?id=hello&abc=123 I'm also a bit unsure about the performance of (.+) at the end to capture the querystring in the original request.
– romiem
...
What does Expression.Quote() do that Expression.Constant() can’t already do?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
...ush(matchArray);
}
return matches;
}
// Example
var someTxt = 'abc123 def456 ghi890';
var results = /[a-z]+(\d+)/g.execAll(someTxt);
// Output
[["abc123", "123"],
["def456", "456"],
["ghi890", "890"]]
</script>
...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...t;";
exit("done");
?>
Sample result:
[array] =>
"id" => 123,
"title" => "My post title.",
"content" => "My <p>post</p> content.",
...
[ and other fields ]
Sphinx query time:
0.001 sec.
Sphinx query time (1k concurrent):
=> 0.346 sec. (average)
...
【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...示动图
侵删，文章来源：https://makelog.dfrobot.com.cn/user-1229.html
Alternate output format for psql
... using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
...
How can I view a git log of just one user's commits?
...commits commited (but not necessarily authored) by Adam, replace %an with %cn. More details about this are in my blog post here: http://dymitruk.com/blog/2012/07/18/filtering-by-author-name/
share
|
...
Time complexity of Sieve of Eratosthenes algorithm
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...