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What are the rules for calling the superclass constructor?
...s and the values to be passed to that classes constructor.
Class2::Class2(string id) : Class1(id) {
....
}
Also remember that if you have a constructor that takes no parameters on the parent class, it will be called automatically prior to the child constructor executing.
...
How to post JSON to PHP with curl
...ng an empty array because PHP is expecting the posted data to be in a Querystring format (key=value&key1=value1).
Try changing your curl request to:
curl -i -X POST -d 'json={"screencast":{"subject":"tools"}}' \
http://localhost:3570/index.php/trainingServer/screencast.json
and see if...
How to check if element exists using a lambda expression?
... }
return false;
}
public boolean containsTabById(TabPane tabPane, String id) {
return containsByLambda(tabPane.getTabs(), z -> z.getId().equals(id));
}
...
if (containsTabById(tabPane, idToCheck))) {
...
}
...
Permission denied on accessing host directory in Docker
...er, this specific case is different.
The dot at the end of the permission string, drwxr-xr-x., indicates SELinux is configured. When using a host mount with SELinux, you need to pass an extra option to the end of the volume definition:
The z option indicates that the bind mount content is sh...
AngularJS : Why ng-bind is better than {{}} in angular?
...laim. What is done on every $digest though is that the interpolated result string is calculated. It's just not assigned to the text node unless it changes.
– Matti Virkkunen
Nov 24 '14 at 2:47
...
How to write header row with csv.DictWriter?
...
or
w.writerow([d.get(k, restval) for k in fieldnames])
Instead of the extrasaction "functionality", I'd prefer to code it myself; that way you can report ALL "extras" with the keys and values, not just the first extra key. What is a real nuisance with DictWriter is that if you've verified the k...
Git: How to remove file from historical commit?
...
You can use git-extras tool. The obliterate command completely remove a file from the repository, including past commits and tags.
https://github.com/tj/git-extras/blob/master/Commands.md
...
Why does CSS not support negative padding?
... if more content overflows it, which is impossible if the content is in an extra abs-pos sibling. Negative padding would take the padding-collapsed element back to its size.
– sergio
Jul 19 '15 at 19:29
...
What does enumerable mean?
...re that it's within the object.
var obj = { key: 'val' };
console.log('toString' in obj); // true
console.log(typeof obj.toString); // "function"
for (var key in obj)
console.log(key); // "key"
A property is identified as enumerable or not by its own [[Enumerable]] attribute. You can view...
Should I make HTML Anchors with 'name' or 'id'?
...id be the <fragment> component of the URL.
If fragid is the empty string, then the indicated part of the document is the top of the document.
If there is an element in the DOM that has an ID exactly equal to fragid, then the first such element in tree order is the indicated part of the...