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How to make a class conform to a protocol in Swift?
...ataSource : NSObject, UITableViewDataSource {
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "reuseIdentifier", for: indexPath)
// Configure the cell...
...
How to create a fixed-size array of objects
...ray.append().
var array = [SKSpriteNode]()
array.reserveCapacity(64)
for _ in 0..<64 {
array.append(SKSpriteNode())
}
If you know the minimum amount of elements you'll add to it, but not the maximum amount, you should rather use array.reserveCapacity(minimumCapacity: 64).
...
no new variables on left side of :=
...e is also a "short variable declaration" ( http://golang.org/ref/spec#Short_variable_declarations ) which means that in the left we need to have at least a new variable declaration for it to be correct.
You can change the second to a simple assignment statement := -> = or you can use a new varia...
Is it possible to have multiple statements in a python lambda expression?
...e a lambda. You can put the statements in a def instead. i.e.:
def second_lowest(l):
l.sort()
return l[1]
map(second_lowest, lst)
Q. Can you get the second lowest item from a lambda by sorting the list?
A. Yes. As alex's answer points out, sorted() is a version of sort that creates a ...
What's the best way to do a backwards loop in C/C#/C++?
... std::vector
Using iterators
C++ allows you to do this using std::reverse_iterator:
for(std::vector<T>::reverse_iterator it = v.rbegin(); it != v.rend(); ++it) {
/* std::cout << *it; ... */
}
Using indices
The unsigned integral type returned by std::vector<T>::size is not...
Disable spell-checking on HTML textfields
...nt browsers and elements: developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/…
– Paul
Jan 31 '17 at 17:39
2
...
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 to perform mouseover function in Selenium WebDriver using Java?
...worked for me as well when adding .perform()
– TheRed__
Feb 27 '15 at 13:19
1
Cant belive this is...
Converting numpy dtypes to native python types
...np.int,np.bool, np.complex, and np.object. The Numpy types have a trailing _, e.g. np.str_.
– Mike T
Jan 8 '19 at 20:28
2
...
Express res.sendfile throwing forbidden error
...ath.resolve('../../some/path/to/file.txt');
relative to file: path.resolve(__dirname+'../../some/path/to/file.txt');
From reading the link from @Joe's comment, it sounds like relative paths are a security risk if you accept user input for the path (e.g. sendfile('../.ssh/id_rsa') might be a hacker...