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Where is array's length property defined?
...e this:
public static void main(java.lang.String[]);
Code:
0: aload_0
1: arraylength
2: istore_1
3: return
So it's not accessed as if it were a normal field. Indeed, if you try to get it as if it were a normal field, like this, it fails:
// Fails...
Field field = args.getCl...
What's the difference between Git Revert, Checkout and Reset?
... answered Dec 2 '11 at 14:20
dan_waterworthdan_waterworth
5,7952525 silver badges3838 bronze badges
...
Why are dashes preferred for CSS selectors / HTML attributes?
...ument.querySelector('#first-name');
var firstName = document.forms[0].first_name;
I find the two first options much more preferable, especially since '#first-name' can be replaced with a JavaScript variable and built dynamically. I also find them more pleasant on the eyes.
The fact that Sass enab...
How do I exclude all instances of a transitive dependency when using Gradle?
...l {
exclude group:"org.apache.geronimo.specs", module: "geronimo-servlet_2.5_spec"
exclude group:"ch.qos.logback", module:"logback-core"
}
Now the exclude block has two properties group and module. For those of you coming from maven background, group is same as groupId and module is same as ...
USB Debugging option greyed out
...Software Information”
Tap “Build number” five times.
A pop-up will appear saying “You are now a developer”. Your’re not done yet.
Go back to your phone’s home page by pushing the home button.
Go to “Settings”.
Go to “Developer options”
Click the “USB debugging- Turn on debu...
Unresolved external symbol on static class members
...als here:
For me, the thing that I forgot was to mark my class definition __declspec(dllexport), and when called from another class (outside that class's dll's boundaries), I of course got the my unresolved external error.
Still, easy to forget when you're changing an internal helper class to a one...
What is digest authentication?
...t
Client sends back the following response array (username, realm, generate_md5_key(nonce, username, realm, URI, password_given_by_user_to_browser)) (yea, that's very simplified)
The server takes username and realm (plus it knows the URI the client is requesting) and it looks up the password for tha...
What is a JavaBean exactly?
...primitive type or an instance of a class?
– kingfrito_5005
Nov 29 '16 at 15:35
8
@kingfrito_5005:...
How do I sort a vector of pairs based on the second element of the pair?
...custom comparator (it's an optional 3rd argument to std::sort)
struct sort_pred {
bool operator()(const std::pair<int,int> &left, const std::pair<int,int> &right) {
return left.second < right.second;
}
};
std::sort(v.begin(), v.end(), sort_pred());
If you'r...
How to clone a case class instance and change just one field in Scala?
...ed on current value.
val newPersona2 = messageLens.modify(existingPersona)(_ + "iPad")
// Results:
// newPersona1: Persona(store,apple,Set())
// newPersona2: Persona(store,apple,Set(iPhone, iPad))
Moreover, in case you have nested case classes, the getter and setter methods can be a bit tedious t...