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How to sort with a lambda?
...in place of binding an instance method. However, the code above yields the error:
3 Answers
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How to reverse a singly linked list using only two pointers?
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I'm not sure about 'obvious errors' in the original. Design-wise, not passing the head of the list in and not returning the new head is a bad idea. The only bug, though, is the last line in the reverse() function should be setting first, I believe. O...
stash@{1} is ambiguous?
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@sehe: The one Uncommon currently uses. The error message quoted indicates it quite clearly (no, it seems it can't be bash).
– Jan Hudec
Jun 24 '11 at 14:35
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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;
}
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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...