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How to SSH to a VirtualBox guest externally through a host? [closed]
...Guest port", insert 22. Everything else of the rule can be left blank.
or from the command line
VBoxManage modifyvm myserver --natpf1 "ssh,tcp,,3022,,22"
where 'myserver' is the name of the created VM. Check the added rules:
VBoxManage showvminfo myserver | grep 'Rule'
That's all! Please be s...
How to measure code coverage in Golang?
...One major new feature of go test is that it can now compute and, with help from a new, separately installed "go tool cover" program, display test coverage results.
The cover tool is part of the go.tools subrepository. It can be installed by running
$ go get golang.org/x/tools/cmd/cover
T...
Namespace + functions versus static methods on a class
...er functions". I found an online reference to this principle in an article from Herb Sutter: http://www.gotw.ca/gotw/084.htm
The important thing to know is that: In C++ functions in the same namespace as a class belong to that class' interface (because ADL will search those functions when resolving...
What exactly are DLL files, and how do they work?
...res them. System checkpoints and DLL cache, etc. have been the initiatives from M$ to solve this problem. The .NET platform might not face this issue at all.
How do we know what's inside a DLL file?
You have to use an external tool like DUMPBIN or Dependency Walker which will not only show what pu...
How to instantiate non static inner class within a static method?
...
If you want to create new Inner() from within a method, do it from an instance method of the class MyClass:
public void main(){
Inner inner = new Inner();
}
public static void main(String args[]){
new MyClass().main();
}
...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...mple request of a browser to a web server requesting the URL /foo/bar.html from it. It is important to stress that it does not request a file, it requests just some arbitrary URL. The request may also look like this:
GET /foo/bar?baz=42 HTTP/1.1
This is just as valid a request for a URL, and it h...
When is it right for a constructor to throw an exception?
... not your fault, you cannot prevent them, and you cannot sensibly clean up from them.
Boneheaded exceptions are your own darn fault, you could have prevented them and therefore they are bugs in your code.
Vexing exceptions are the result of unfortunate design decisions. Vexing exceptions are thrown ...
async/await - when to return a Task vs void?
...
I meant f instead of g in my comment. The exception from f is passed to the SynchronizationContext. g will raise UnobservedTaskException, but UTE no longer crashes the process if it's not handled. There are some situations where it's acceptable to have "asynchronous exceptions...
How do I get LaTeX to hyphenate a word that contains a dash?
...
From https://texfaq.org/FAQ-nohyph:
TeX won’t hyphenate a word that’s already been hyphenated. For
example, the (caricature) English surname Smyth-Postlethwaite wouldn’t
hyphenate, which could be troublesome. Th...
Get a substring of a char* [duplicate]
...that string data without copying it. If you take a pointer to the section from the original string you need to know the length as it will have no null terminator (Without affecting the original string).
– Goz
Nov 12 '13 at 6:56
...