大约有 16,000 项符合查询结果（耗时：0.0447秒） [XML]
Explain the encapsulated anonymous function syntax
...to observe, because most ways of attempting to get the returned value will convert the function declaration to a function expression. However, eval shows it:
var r = eval("function f(){}");
console.log(r); // undefined
Calling an empty completion record makes no sense. That's why functi...
POST JSON to API using Rails and HTTParty
.../json', 'Accept' => 'application/json'}. Note: the header should not be converted to JSON, it is expected to be an hash
– Devaroop
Sep 28 '13 at 6:45
...
onCreateOptionsMenu inside Fragments
...
Interesting note: if you also override onCreateOptionsMenu in your containing Activity, both options menu items will be displayed.
– Adam Johns
Mar 4 '15 at 4:51
...
How to cast an object in Objective-C
...tive-C works like Java, just remember to add asterisks to variables that point to Obj-C objects."
– Dan Rosenstark
Jun 14 '10 at 3:43
2
...
How to clone ArrayList and also clone its contents?
... obviously, you will have to get your Dog class to implement the Cloneable interface and override the clone() method.
share
|
improve this answer
|
follow
|
...
Measuring text width to be drawn on Canvas ( Android )
... drawn on an Android canvas using the drawText() method according to the Paint used to draw it?
7 Answers
...
Volatile vs Static in Java
...stitute for proper synchronisation!
For instance:
private static volatile int counter = 0;
private void concurrentMethodWrong() {
counter = counter + 5;
//do something
counter = counter - 5;
}
Executing concurrentMethodWrong concurrently many times may lead to a final value of counter diff...
PHP Difference between array() and []
...standard class and $obj = (object) ['foo'=>'bar', 'baz'=>'biz']; to convert an array (using explicit type casting) to an object (stdClass) but regarding the {}, it could be implemented in future but not sure tho :-)
– The Alpha
Jan 27 '16 at 17:39
...
How to escape special characters in building a JSON string?
...ncoding library to use. If you simply use language or library functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
...
Using the “final” modifier whenever applicable in Java [closed]
...sibilities that you (or the next programmer, working on your code) will misinterpret or misuse the thought process which resulted in your code. At least it should ring some bells when they now want to change your previously immutable thing.
At first, it kind of looks awkward to see a lot of final k...