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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])
...
usr/bin/ld: cannot find -l
...ame across another post on the Internets that suggested to run make with LD_DEBUG=all:
LD_DEBUG=all make
Although I got a TON of debugging output, it wasn't actually helpful. It added more confusion than anything else. So, I was about to give up.
Then, I had an epiphany. I thought to actually...
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...
Find out if string ends with another string in C++
...
Use this function:
inline bool ends_with(std::string const & value, std::string const & ending)
{
if (ending.size() > value.size()) return false;
return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
}
...
Get the Last Inserted Id Using Laravel Eloquent
... used like this.
return Response::json(array('success' => true, 'last_insert_id' => $data->id), 200);
For updated laravel version try this
return response()->json(array('success' => true, 'last_insert_id' => $data->id), 200);
...
What is the closest thing Windows has to fork()?
...he current process. Otherwise, this
parameter must be a handle of the SEC_IMAGE section object created on
the EXE file before calling ZwCreateProcess().
Though note that Corinna Vinschen indicates that Cygwin found using ZwCreateProcess() still unreliable:
Iker Arizmendi wrote:
> ...
jQuery - Detect value change on hidden input field
...allback) {
Object.defineProperty(obj, property, new function() {
var _value = obj[property];
return {
set: function(value) {
_value = value;
callback(obj, property, value)
},
get: function() {
return _value;
}
}
});
}
$("#hid1").val(4)...
How can I use xargs to copy files that have spaces and quotes in their names?
...answer but not working on Mac. Instead we can pipe the find into sed -e 's_\(.*\)_"\1"_g' to force quotes around the file name
– ishahak
Aug 21 '16 at 11:08
10
...
Delete all tags from a Git repository
...he POSIX-compliant ‘-L’ option. gnu.org/software/findutils/manual/html_node/find_html/…
– Richard A Quadling
Jul 23 '19 at 12:13
...
How To Change DataType of a DataColumn in a DataTable?
...newType)
{
using (DataColumn dc = new DataColumn(columnName + "_new", newType))
{
// Add the new column which has the new type, and move it to the ordinal of the old column
int ordinal = dt.Columns[columnName].Ordinal;
dt.Columns.Add(dc);
...