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How to get all columns' names for all the tables in MySQL?
...$table";
if($output = mysql_query($query)):
$columns = array();
while($result = mysql_fetch_assoc($output)):
$columns[] = $result['Field'];
endwhile;
endif;
echo '<pre>';
print_r($columns);
echo '</p...
Printing HashMap In Java
...ew HashMap<>();
map.put("a", 1);
map.put("b", 2);
System.out.println(Arrays.asList(map)); // method 1
System.out.println(Collections.singletonList(map)); // method 2
Both method 1 and method 2 output this:
[{b=2, a=1}]
...
How can you check for a #hash in a URL using JavaScript?
...
@Dunc: Well JS arrays are basically Objects. Accessing them by index is like accessing an Object property like so: obj['0']. In JS this is true: arr[0] === arr['0'] Therefore if the index/key doesn't exist the returned value is undefined in...
AngularJS - placeholder for empty result from filter
...eat="friend in friends | filter:q as results"
Then use the results as an array
<li class="animate-repeat" ng-if="results.length == 0">
<strong>No results found...</strong>
</li>
Full snippet:
<div ng-controller="repeatController">
I have {{friends.length}} frien...
Removing multiple classes (jQuery)
...
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]
...
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']
...
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
})
...
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
...
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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