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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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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[$index]}"; done if you need to do something with the values of the indices.
– Paused until further notice.
Mar 18 '19 at 17:38
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PHP Multidimensional Array Searching (Find key by specific value)
...lute check against the type because the returned key can sometimes have an index of [0]. So if doing a conditional check, it should look something like this: if (myfunction($array, 'field', 'value') !== FALSE )) // do something...
– Andy Cook
Nov 17 '15 ...
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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How to change the href for a hyperlink using jQuery
...SelectorAll('a');
Array.prototype.forEach.call(anchors, function (element, index) {
element.href = "http://stackoverflow.com";
});
If you want to change the href value of all <a> elements that actually have an href attribute, select them by adding the [href] attribute selector (a[href]): ...
Get query from java.sql.PreparedStatement [duplicate]
...gBuffer sb = new StringBuffer();
int indx = 1; // Parameter begin with index 1
while (matcher.find()) {
matcher.appendReplacement(sb, prepHelper.getParameter(indx++));
}
matcher.appendTail(sb);
LOGGER.debug("Executing Query [" + sb.toString() + "] with Database[" + /*db name*/ + "] ...
Android buildscript repositories: jcenter VS mavencentral
... couple of android developer advocates had faced/noticed the issue of huge indexing with maven central.
In the words of Tor Norbye:
I ran AndroidStudio with a brand new settings directory, so it went and connected maven central and downloaded an index of the available artifacts.
Then I hap...
What is the purpose of setting a key in data.table?
...
A key is basically an index into a dataset, which allows for very fast and efficient sort, filter, and join operations. These are probably the best reasons to use data tables instead of data frames (the syntax for using data tables is also much mo...