大约有 30,000 项符合查询结果（耗时：0.0451秒） [XML]
Declaration of Methods should be Compatible with Parent Methods in PHP
...
This message means that there are certain possible method calls which may fail at run-time. Suppose you have
class A { public function foo($a = 1) {;}}
class B extends A { public function foo($a) {;}}
function bar(A $a) {$a->foo();}
The compiler only checks the call $a->foo...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...
If you use the --master-data flag when calling mysqldump on the master, the CHANGE MASTER TO command is written into the dump file and thus saves the step of executing it after importing the dump file into the slave.
– udog
A...
What are the implications of using “!important” in CSS? [duplicate]
...the !important) because thats a not operator in javascript but in css it's called a delimiter token that just says to take priority. Heres an example.
Without !important:
.set-color{
color: blue;
}
.set-color{
color: red;
}
outputs RED
!important on bottom attribute (of same)
.set-...
How do you rename a MongoDB database?
...
So MongoDB should have one command that calls two functions, copy and drop? I don't see a big reason to have this single command. But it could be nice to some.
– TamusJRoyce
May 4 '17 at 14:10
...
A monad is just a monoid in the category of endofunctors, what's the problem?
...o (Just x) = [x]
reverse' :: [] :-> []
reverse' = Natural reverse
Basically, in Haskell, natural transformations are functions from some type f x to another type g x such that the x type variable is "inaccessible" to the caller. So for example, sort :: Ord a => [a] -> [a] cannot be made i...
How can we run a test method with multiple parameters in MSTest?
NUnit has a feature called Values, like below:
9 Answers
9
...
Turning live() into on() in jQuery
My application has dynamically added Dropdowns. The user can add as many as they need to.
5 Answers
...
Parse RSS with jQuery
...o need for a whole plugin. This will return your RSS as a JSON object to a callback function:
function parseRSS(url, callback) {
$.ajax({
url: document.location.protocol + '//ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&callback=?&q=' + encodeURIComponent(url),
dat...
Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws
...age and throws HttpRequestException , but I fail to see how to programmatically handle it any differently than a generic Exception . For example, it doesn't include the HttpStatusCode , which would have been handy.
...
Set attributes from dictionary in python
... key in kwargs:
setattr(self, key, kwargs[key])
Then you can call it like this:
e = Employee({"name": "abc", "age": 32})
or like this:
e = Employee(name="abc", age=32)
or even like this:
employee_template = {"role": "minion"}
e = Employee(employee_template, name="abc", age=32)
...