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What is the best method to merge two PHP objects?
...e to override all the relevant magic methods. You'll probably find syntax errors since I just entered it off the top of my head.
class Compositor {
private $obj_a;
private $obj_b;
public function __construct($obj_a, $obj_b) {
$this->obj_a = $obj_a;
$this->obj_b = $obj_b;
}
...
What is the Java ?: operator called and what does it do?
...th branches must lead to methods with return values:
It is a compile-time error for either the second or the third operand expression to be an invocation of a void method.
In fact, by the grammar of expression statements (§14.8), it is not permitted for a conditional expression to appear in any co...
How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
...can add this logic to your client code. (Say, 3 retries on this particular error before giving up).
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How do I reattach to a detached mosh session?
... In case, there is no old mosh session, xkill will throw an error. Better use pgrep mosh-server | grep -v $(ps -o ppid --no-headers $$) && xargs kill || echo "no active sessions to kill"
– rubo77
Nov 11 '19 at 8:44
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Converting Secret Key into a String and Vice Versa
...: "Most people aren't using Java 8 yet". Your answer will throw exception errors for the vast majority of Java users, Android and non-Android alike. That said, your suggestion of adding a snippet in addition to the current answer would provide a more complete solution. FYI, I'm not "sentimental" ...
Is there a NumPy function to return the first index of something in an array?
...em exists in the first column, this works (although it will throw an index error if none exist) rows, columns = np.where(array==item); first_idx = sorted([r for r, c in zip(rows, columns) if c == 0])[0]
– BrT
Jan 15 '13 at 13:44
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What is the !! (not not) operator in JavaScript?
...he HTML5 <audio> element, but we don't want the function to throw an error if <audio> is undefined; and we don't want to use try ... catch to handle any possible errors (because they're gross); and also we don't want to use a check inside the function that won't consistently reveal the t...
What's wrong with overridable method calls in constructors?
...e method gets the wrong value. This will almost certainly lead to bugs and errors.
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Subclassing a Java Builder class
...stead of extends, or (c) throw everything away. I now have a weird compile error where leafBuilder.leaf().leaf() and leafBuilder.mid().leaf() is OK, but leafBuilder.leaf().mid().leaf() fails...
– Ken Y-N
Jun 19 '13 at 4:01
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SecurityException: Permission denied (missing INTERNET permission?)
this error is really really really strange and I don't know how to reproduce it and how to fix it because I made a lot of searches but nothing was useful.
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