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How to get everything after a certain character?
...whatIWant;
If you also want to check if the underscore character (_) exists in your string before trying to get it, you can use the following:
if (($pos = strpos($data, "_")) !== FALSE) {
$whatIWant = substr($data, $pos+1);
}
...
Why can't decimal numbers be represented exactly in binary?
...ing). The reason you can't represent 0.1 as a binary floating point number is for exactly the same reason. You can represent 3, and 9, and 27 exactly - but not 1/3, 1/9 or 1/27.
The problem is that 3 is a prime number which isn't a factor of 10. That's not an issue when you want to multiply a number...
Why is `[` better than `subset`?
...
This question was answered in well in the comments by @James, pointing to an excellent explanation by Hadley Wickham of the dangers of subset (and functions like it) [here]. Go read it!
It's a somewhat long read, so it may be ...
Jackson - Deserialize using generic class
...
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edited Jan 22 at 13:26
Naman
68.4k2121 gold badges...
Android Fragment lifecycle over orientation changes
...rs the old Fragment adds itself to the new Activity when it's recreated. This is a massive pain in the rear most of the time.
You can stop errors occurring by using the same Fragment rather than recreating a new one. Simply add this code:
if (savedInstanceState == null) {
// only create fragme...
Check whether an array is empty [duplicate]
...
There are two elements in array and this definitely doesn't mean that array is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from ...
How to debug Angular JavaScript Code
...arang.
(From recent reviews on the plugin it seems like AngularJS Batarang is no longer being maintained. Tested in various versions of Chrome and it does not work.)
Here is the the link for a description and demo:
Introduction of Angular JS Batarang
Download Chrome plugin from here: Chrome plugin f...
How to make JavaScript execute after page load?
...on ...
or even
window.onload = function ...
Note that the last option is a better way to go since it is unobstrusive and is considered more standard.
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Best practice to validate null and empty collection in Java
I want to verify whether a collection is empty and null . Could anyone please let me know the best practice.
9 Answers
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How would I create a UIAlertView in Swift?
... but for some reason I can't get the statement right because I'm getting this error:
35 Answers
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