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OSGi: What are the differences between Apache Felix and Apache Karaf?
...c console, file loading so that you can actually read configuration files, etc. The latest zip file of it is 19.1 MB. Yeah. Small. It can easily run on small devices and work in embedded.
What you may be thinking of is something more like ServiceMix which uses Karaf as a core/kernel. But it inc...
Sorting HashMap by values [duplicate]
...
}
}
Edit: Version 2
Used new java feature like stream for-each etc
Map will be sorted by keys if values are same
import java.util.*;
import java.util.Map.Entry;
import java.util.stream.Collectors;
public class SortMapByValue
{
private static boolean ASC = true;
priv...
Prevent redirection of Xmlhttprequest
...
The new Fetch API supports different modes of redirect handling: follow, error, and manual, but I can't find a way to view the new URL or the status code when the redirection has been canceled. You just can stop the redirection itself...
Referring to a file relative to executing script
...s: cd "${BASH_SOURCE%/*}" || exit, or read somevar < "${BASH_SOURCE%/*}/etc/somefile", Link Strongly Discourages $0 "Nothing that reads $0 will ever be bulletproof, because $0 itself is unreliable."
– ThorSummoner
Sep 29 '15 at 23:47
...
Github (SSH) via public WIFI, port 22 blocked
...xy+Tor may need to change default configs.
For me uncomment this line in /etc/privoxy/config
forward-socks5t / 127.0.0.1:9050 .
ssh config
Host *
ProxyCommand nc --proxy 127.0.0.1:8118 %h %p
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How do I get a class instance of generic type T?
...t<T> for ArrayList<T> or GenericDAO<T> for DAO<T>, etc.
Pure Java solution
The article Accessing generic types at runtime in Java explains how you can do it using pure Java.
@SuppressWarnings("unchecked")
public GenericJpaDao() {
this.entityBeanType = ((Class) ((Paramete...
Overloaded method selection based on the parameter's real type
...ould take several basic Java types such as String, Integer, Boolean, Long, etc. Given an array of Objects, I want to convert them into an array of my Parameter objects by calling the most-specific constructor for each Object in the input array. I also wanted to define the constructor Parameter(Objec...
MVC DateTime binding with incorrect date format
...n null;
}
}
}
}
To keep with the way that routes etc are regiseterd in the Global ASAX file I also added a new sytatic class to the App_Start folder of my MVC4 project named CustomModelBinderConfig:
using System;
using System.Web.Mvc;
namespace YourNamespaceHere
{
pub...
data.table vs dplyr: can one do something well the other can't or does poorly?
...ll become a column in result. You can use c(), as.list(), lapply(), list() etc... base functions to accomplish this, without having to learn any new functions.
You will need to learn just the special variables - .N and .SD at least. The equivalent in dplyr are n() and .
Joins
dplyr provides s...
PHP: How to send HTTP response code?
...iate message, and the status code with your code as appropriate (404, 501, etc)
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