大约有 15,600 项符合查询结果（耗时：0.0230秒） [XML]
Is it possible to delete an object's property in PHP?
... object.
unset($object[$key])
Update
Newer versions of PHP throw fatal error Fatal error: Cannot use object of type Object as array as mentioned by @CXJ . In that case you can use brackets instead
unset($object{$key})
...
Send message to specific client with socket.io and node.js
... var holder = new socketio.RedisStore; ^ TypeError: undefined is not a function at Object.<anonymous> (C:\Users\Dev\Desktop\nouty-server\server.js:108:14) at Module._compile (module.js:460:26) at Object.Module._extensions..js (module.js:478:10) at ...
Multiple arguments vs. options object
...xplicit documentation to specify intent, but it also leaves room for vague errors.
What if a developer modifies param1 in bar()? How long do you think it would take looking through a codebase of sufficident size to catch this?
Admittedly, this is example is slightly disingenuous because it assumes d...
How to sort with a lambda?
...in place of binding an instance method. However, the code above yields the error:
3 Answers
...
How to reverse a singly linked list using only two pointers?
...
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?
...
@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
...
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).
share
|
improve this answer
|
follow
|
...
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
...