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Deleting multiple elements from a list
...
As a function:
def multi_delete(list_, *args):
indexes = sorted(list(args), reverse=True)
for index in indexes:
del list_[index]
return list_
Runs in n log(n) time, which should make it the fastest correct solution yet.
...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...a mirror site, e.g.
mirror.hmc.edu/debian/pool/main/a/autocutsel/autocutsel_0.10.0-1_armhf.deb
and install it
$sudo dpkg -i autocutsel_0.10.0-1_armhf.deb
Start vncserver on your RPi (You have to restart vncserver after installing autocutsel, you can issue $vncserver -kill :1)
$vncserver :1
Add a...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...way to do an operation" as a constraint. Rightly so, because for example to_string and lambdas are both conveniences for things you could do already. I suppose one could interpret "only one way to do an operation" very loosely to allow both of those, and at the same time to allow almost any duplicat...
How to have stored properties in Swift, the same way I had on Objective-C?
...class ObjectAssociation<T: AnyObject> {
private let policy: objc_AssociationPolicy
/// - Parameter policy: An association policy that will be used when linking objects.
public init(policy: objc_AssociationPolicy = .OBJC_ASSOCIATION_RETAIN_NONATOMIC) {
self.policy = polic...
Fastest Way to Serve a File Using PHP
...he web server to do it.
The basic php code is :
header("X-Sendfile: $file_name");
header("Content-type: application/octet-stream");
header('Content-Disposition: attachment; filename="' . basename($file_name) . '"');
Where $file_name is the full path on the file system.
The main problem with thi...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
... + idle = 100%. So maybe something like: grep 'cpu ' /proc/stat | awk '{cpu_usage=($2+$4)*100/($2+$4+$5)} END {print cpu_usage "%"}'
– vimdude
Jun 2 '14 at 18:51
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How can I use if/else in a dictionary comprehension?
...ict comprehension must have two expressions, separated by a colon:
{ (some_key if condition else default_key):(something_if_true if condition
else something_if_false) for key, value in dict_.items() }
The final if clause acts as a filter, which is different from having the conditional e...
How to load a xib file in a UIView
...eView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 5
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let restaurantTa...
How can I use map and receive an index as well in Scala?
...", "had", "a", "little", "lamb").zipWithIndex.foreach( (t) => println(t._2+" "+t._1) )
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Efficient evaluation of a function at every cell of a NumPy array
...ze(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vectorizing:
f = np.vectorize(f, otypes=[np.float])
...