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How to check if a view controller is presented modally or pushed on a navigation stack?
...tack.
extension UIViewController {
var isModal: Bool {
if let index = navigationController?.viewControllers.firstIndex(of: self), index > 0 {
return false
} else if presentingViewController != nil {
return true
} else if navigationController?.p...
How to add many functions in ONE ng-click?
...herwise if you want to add 2 calls in ng-click you can add ';' after edit($index) like this
ng-click="edit($index); open()"
See here : http://jsfiddle.net/laguiz/ehTy6/
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Is there a simple way to convert C++ enum to string?
...
QT is able to pull that of (thanks to the meta object compiler):
QNetworkReply::NetworkError error;
error = fetchStuff();
if (error != QNetworkReply::NoError) {
QString errorValue;
QMetaObject meta = QNetworkReply...
Mongoose's find method with $or condition does not work properly
...
According to mongoDB documentation: "...That is, for MongoDB to use indexes to evaluate an $or expression, all the clauses in the $or expression must be supported by indexes."
So add indexes for your other fields and it will work. I had a similar problem and this solved it.
You can read m...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Count();
///使用某个shet，shit，shit
BOOL LoadSheet(long table_index,BOOL pre_load = FALSE);
///通过名称使用某个sheet，
BOOL LoadSheet(const TCHAR* sheet,BOOL pre_load = FALSE);
///通过序号取得某个Sheet的名称
CString GetSheetName(long table_index);
///得...
Getting the last argument passed to a shell script
...array[@]}"; do something "$element"; done or iterate over the indices: for index in "${!array[@]}"; do something "$index" "${array[$index]}"; done if you need to do something with the values of the indices.
– Paused until further notice.
Mar 18 '19 at 17:38
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Difference between Iterator and Listiterator?
... that with a Set is simple: There is not "current point": Elements have no index and there is no usefull way you can add an element "before" or "after" another one.
– Joachim Sauer
Jun 11 '12 at 10:11
...
Check if application is on its first run [duplicate]
... answered Aug 27 '11 at 22:38
SquonkSquonk
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Shuffling a list of objects
...erm = list(range(len(list_one)))
random.shuffle(perm)
list_one = [list_one[index] for index in perm]
list_two = [list_two[index] for index in perm]
Numpy / Scipy
If your lists are numpy arrays, it is simpler:
import numpy as np
perm = np.random.permutation(len(list_one))
list_one = list_one[per...
Circular list iterator in Python
... do like this:
conn = ['a', 'b', 'c', 'd', 'e', 'f']
conn_len = len(conn)
index = 0
while True:
print(conn[index])
index = (index + 1) % conn_len
prints a b c d e f a b c... forever
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