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Removing multiple classes (jQuery)
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Since jQuery 3.3.0, it is possible to pass arrays to .addClass(), .removeClass() and toggleClass(), which makes it easier if there is any logic which determines which classes should be added or removed, as you don't need to mess around with the space-delimited strings...
How can I reorder a list? [closed]
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If you use numpy there's a neat way to do it:
items = np.array(["a","b","c","d"])
indices = np.arange(items.shape[0])
np.random.shuffle(indices)
print(indices)
print(items[indices])
This code returns:
[1 3 2 0]
['b' 'd' 'c' 'a']
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best way to get the key of a key/value javascript object
...", value) // baz
Object.keys() is javascript method which return an array of keys when using on objects.
Object.keys(obj) // ['bar']
Now you can iterate on the objects and can access values like below-
Object.keys(obj).forEach( function(key) {
console.log(obj[key]) // baz
})
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Sorting rows in a data table
...help:
DataRow[] dataRows = table.Select().OrderBy(u => u["EmailId"]).ToArray();
Here, you can use other Lambda expression queries too.
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convert a char* to std::string
...e char* return value from fgets() into an std::string to store in an array. How can this be done?
11 Answers
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Can jQuery provide the tag name?
...).get(0).nodeName; // Use 'get' or simply access the jQuery Object like an array
$('.hello:first-child')[0].nodeName; // will get you the original DOM element object
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How to get the Parent's parent directory in Powershell?
...n split it at the backslashes, and take the next-to-last one with negative array indexing to get just the grandparent directory name.
($scriptpath -split '\\')[-2]
You have to double the backslash to escape it in the regex.
To get the entire path:
($path -split '\\')[0..(($path -split '\\').cou...
Checking that a List is not empty in Hamcrest
...nd does not generate any warnings:
// given
List<String> list = new ArrayList<String>();
// then
assertThat(list, is(not(empty())));
But if you have to use older version - instead of bugged empty() you could use:
hasSize(greaterThan(0))
(import static org.hamcrest.number.OrderingComp...
How to convert NSNumber to NSString
So I have an NSArray "myArray" with NSNumber s and NSString s. I need them in another UIView so i go like this:
7 Ans...
Checking length of dictionary object [duplicate]
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So an array has a count property...because probably that for is built into the JS native type?
– PositiveGuy
Jul 26 '10 at 17:45
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