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What is the difference between currying and partial application?
...ints that other peoples examples of currying are not currying, but are actually just partial application.
14 Answers
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How to make Java honor the DNS Caching Timeout?
....URL;
import java.net.URLConnection;
public class Test {
final static String hostname = "www.google.com";
public static void main(String[] args) {
// only required for Java SE 5 and lower:
//Security.setProperty("networkaddress.cache.ttl", "30");
System.out.println(...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(bf::exists(path))
{
std::ofstream out(path.file_string().c_str());
if(!out) return 1;
out << "一个测试文件\n";
} else {
std::cout << path << "不存在\n";
//目录不存在，创建
...
Find the max of two or more columns with pandas
...ow that it is a little faster to call numpy functions on the underlying .to_numpy() (or .values for <0.24) array instead of directly calling the (cythonized) functions defined on the DataFrame/Series objects.
For example, you can use ndarray.max() along the first axis.
# Data borrowed from @DS...
Difference between this and self in self-type annotations?
...
All three forms are valid, and have the effect that B is assumed as the type of this in class A.
The first two variants
trait A { self: B => ... }
trait A { foo: B => ... }
introduce self (respectively, foo) as an ...
Determining if an Object is of primitive type
... up:
import java.util.*;
public class Test
{
public static void main(String[] args)
{
System.out.println(isWrapperType(String.class));
System.out.println(isWrapperType(Integer.class));
}
private static final Set<Class<?>> WRAPPER_TYPES = getWrap...
Differences between utf8 and latin1
... at least 5.5 or go for another RDBMS like PostgreSQL. In MySQL 5.5+ it's called utf8mb4.
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How do you append to an already existing string?
I want append to a string so that every time I loop over it will add say "test" to the string.
7 Answers
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Spring Boot not serving static content
.../, /public/] plus context:/ (the root of the servlet context).
*/
private String[] staticLocations = RESOURCE_LOCATIONS;
As mentioned before, the request URL will be resolved relative to these locations. Thus src/main/resources/static/index.html will be served when the request URL is /index.html. ...
In Ruby how do I generate a long string of repeated text?
What is the best way to generate a long string quickly in ruby? This works, but is very slow:
2 Answers
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