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How do you compare two version Strings in Java?
...or those that it might help) :
public class Version implements Comparable<Version> {
private String version;
public final String get() {
return this.version;
}
public Version(String version) {
if(version == null)
throw new IllegalArgumentExceptio...
Laravel: Get base url
...>to('/');
App::make('url')->to('/');
Or inject the UrlGenerator:
<?php
namespace Vendor\Your\Class\Namespace;
use Illuminate\Routing\UrlGenerator;
class Classname
{
protected $url;
public function __construct(UrlGenerator $url)
{
$this->url = $url;
}
pu...
What are the rules for the “…” token in the context of variadic templates?
...rstood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( args... ); //pattern = args
h( x(args)... ); //pattern = x(args)
m( y(args...) ); //pattern = args (as ar...
No ConcurrentList in .Net 4.0?
...Firstly, there's no way you're going to get a full implementation of IList<T> that is lockless and thread-safe. In particular, random insertions and removals are not going to work, unless you also forget about O(1) random access (i.e., unless you "cheat" and just use some sort of linked list a...
Valid to use (anchor tag) without href attribute?
...ild a site, and a lot of its functionality depends on wrapping things in <a> , even if they're just going to execute Javascript. I've had problems with the href="#" tactic that Bootstrap's documentation recommends, so I was trying to find a different solution.
...
std::shared_ptr thread safety explained
...l A(1). This can be seen clearly in the following short example.
#include <memory>
#include <iostream>
using namespace std;
struct A
{
int a;
A(int a) : a(a) {}
};
int main(int argc, char **argv)
{
shared_ptr<A> a(new A(1));
shared_ptr<A> b(a), c(a), d(a);
cout &...
Programmatically change log level in Log4j2
...
Most of the answers by default assume that logging has to be additive. But say that some package is generating lot of logs and you want to turn off logging for that particular logger only. Here is the code that I used to get it working
public clas...
Send a file via HTTP POST with C#
...ier way to simulate form requests. Here is an example:
private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
HttpContent stringContent = new StringContent(paramString);
HttpContent fileStreamContent = new St...
How to convert SecureString to System.String?
...tr = Marshal.SecureStringToGlobalAllocUnicode(value);
for (int i=0; i < value.Length; i++) {
short unicodeChar = Marshal.ReadInt16(valuePtr, i*2);
// handle unicodeChar
}
} finally {
Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
}
}
...
Loop through a Map with JSTL [duplicate]
I'm looking to have JSTL loop through a Map<String, String> and output the value of the key and it's value.
2 Answe...