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getActivity() returns null in Fragment function
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I didn't understand how you can solve your problem. If my getActivity() isn't stille ready, how can I get the reference of FragmentActivity object?
– CeccoCQ
Aug 8 '11 at 10:12
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How to make asynchronous HTTP requests in PHP
...ait($url, $params)
{
foreach ($params as $key => &$val) {
if (is_array($val)) $val = implode(',', $val);
$post_params[] = $key.'='.urlencode($val);
}
$post_string = implode('&', $post_params);
$parts=parse_url($url);
$fp = fsockopen($parts['host'],
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How can I convert the “arguments” object to an array in JavaScript?
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ES6 using rest parameters
If you are able to use ES6 you can use:
Rest Parameters
function sortArgs(...args) {
return args.sort(function (a, b) { return a - b; });
}
document.body.innerHTML = sortArgs(12, 4, 6, 8).toString();
As yo...
I want to get the type of a variable at runtime
...stance, may want not to know what is the type of the variable, but to know if the type of the value is some specific type, such as this:
val x: Any = 5
def f[T](v: T) = v match {
case _: Int => "Int"
case _: String => "String"
case _ => "Unknown"
}
f(x)
Here it doesn't m...
How do I retrieve the number of columns in a Pandas data frame?
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@mkln if you post df.shape[1] as an answer, I'd +1. This is the better way to work with numpy and deserves to be a separate answer.
– Phil Cooper
Nov 30 '13 at 16:59
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How do I get the parent directory in Python?
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@tzot: unfortunately os.path.dirname gives different results depending on whether a trailing slash is included in the path. If you want reliable results you need to use the os.path.join method in answer above.
– Artfunkel
Jun 28 '...
Can you 'exit' a loop in PHP?
... 'three', 'four', 'stop', 'five');
while (list(, $val) = each($arr)) {
if ($val == 'stop') {
break; /* You could also write 'break 1;' here. */
}
echo "$val<br />\n";
}
share
|
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Differences between detach(), hide() and remove() - jQuery
What is the functional difference between these three jQuery methods:
5 Answers
5
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Get lengths of a list in a jinja2 template
...oducts</span>
You can also use this syntax in expressions like
{% if products|length > 1 %}
jinja2's builtin filters are documented here; and specifically, as you've already found, length (and its synonym count) is documented to:
Return the number of items of a sequence or mapping....
Difference between save and saveAndFlush in Spring data jpa
...mory, until flush or commit commands are issued.
But be aware, that even if you flush the changes in transaction and do not commit them, the changes still won't be visible to the outside transactions until the commit in this transaction.
In your case, you probably use some sort of transactions me...