大约有 30,000 项符合查询结果（耗时：0.0537秒） [XML]
What is the difference between build.sbt and build.scala?
..., lazy vals, and defs (but not objects and classes).
See the SBT document called ".scala build definition", particularly the section "Relating build.sbt to Build.scala".
Consider a .scala build definition if you're doing something complicated where you want the full expressiveness of Scala.
...
Declaring abstract method in TypeScript
...of abstract classes, with full support for polymorphism and the ability to call implemented methods from the base class. Let's start with the code:
/**
* The interface defines all abstract methods and extends the concrete base class
*/
interface IAnimal extends Animal {
speak() : void;
}
/**...
jQuery AJAX cross domain
...2",array("element31","element32"));
$arr['name'] = "response";
echo $_GET['callback']."(".json_encode($arr).");";
?>
The echo might be wrong, it's been a while since I've used php. In any case you need to output callbackName('jsonString') notice the quotes. jQuery will pass it's own callback na...
Can I have an IF block in DOS batch file?
...sole as they execute, and instead just see the output of those that specifically begin with echo.
I'm using the built-in ERRORLEVEL variable just as a test. Read more here
share
|
improve this answ...
Prevent double submission of forms in jQuery
...Stamp doesn't work in Firefox. Returning false is non-standard, you should call event.preventDefault(). And while we're at it, always use braces with a control construct.
To sum up all of the previous answers, here is a plugin that does the job and works cross-browser.
jQuery.fn.preventDoubleSub...
Compiling dynamic HTML strings from database
Nested within our Angular app is a directive called Page, backed by a controller, which contains a div with an ng-bind-html-unsafe attribute. This is assigned to a $scope var called 'pageContent'. This var gets assigned dynamically generated HTML from a database. When the user flips to the next page...
PHP Function Comments
...best method names are "self-documenting", meaning they tell you
* basically what the method does. If the summary merely repeats
* the method name in sentence form, it is not providing more
* information.
*
* Summary Examples:
* + Sets the label (preferre...
Python Request Post with param data
This is the raw request for an API call:
3 Answers
3
...
Question mark and colon in JavaScript
...
It is called the Conditional Operator (which is a ternary operator).
It has the form of: condition ? value-if-true : value-if-false
Think of the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255...
How does Angular $q.when work?
...
Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it in a promise and call resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an objec...