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How to get hosting Activity from a view?
...tContext() may not always represent an Activity object if your View is not called from an Activity context. E.g. it doesn't work for custom views.
– Tohid
Aug 3 '17 at 20:17
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How do you import classes in JSP?
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Call me an heretic but I very often use Lists (and plenty of other POJO) in JSPs. This is of course strictly limited to proof of concepts and small do-it-all JSPs that are meant for one very specific and temporary purposes. I...
Map function in MATLAB?
...ons are often not necessary if you take advantage of vectorization, specifically using element-wise arithmetic operators. For the example you gave, a vectorized solution would be:
>> x = 1:10;
>> y = x.^2
y =
1 4 9 16 25 36 49 64 81 100
Some operation...
How to create a new (and empty!) “root” branch?
...Signed-off-by: brian m. carlson
Reviewed-by: Derrick Stolee
When we call init_checkout_metadata in reset_tree, we want to pass the object ID of the commit in question so that it can be passed to filters, or if there is no commit, the tree.
We anticipated this latter case, which can occ...
How to filter object array based on attributes?
...; i++) {
if (i in this) {
var val = this[i];
if (fun.call(thisp, val, i, this))
res.push(val);
}
}
return res;
};
}
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How do I make an HTTP request in Swift?
... add import PlaygroundSupport to your playground, as well as the following call:
PlaygroundPage.current.needsIndefiniteExecution = true
This will allow you to use asynchronous code in playgrounds.
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break out of if and foreach
...ot "break out of it".
You can, however, break out of the foreach by simply calling break. In your example it has the desired effect:
foreach($equipxml as $equip) {
$current_device = $equip->xpath("name");
if ( $current_device[0] == $device ) {
// found a match in the file ...
How can I create tests in Android Studio?
...ferent types of tests that you will do.
Local unit tests. These are run locally on the JVM (Java Virtual Machine). Since they are local, they are fast. You can use them to test the parts of your code that just need Java and not the Android APIs. (Sometimes you can make a fake API object to test mor...
What is the difference between RegExp’s exec() function and String’s match() function?
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@yeyo: More specifically, it has to be the same regular expression object. A literal doesn’t accomplish that.
– Ry-♦
Jan 27 '15 at 5:12
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Get fragment (value after hash '#') from a URL in php [closed]
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That part is called "fragment" and you can get it in this way:
$url=parse_url("http://domain.com/site/gallery/1#photo45 ");
echo $url["fragment"]; //This variable contains the fragment
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