大约有 8,600 项符合查询结果（耗时：0.0317秒） [XML]
Why is i++ not atomic?
...kage java.util.concurrent.atomic (see http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/atomic/package-summary.html)
share
|
improve this answer
|
follow
...
Ruby: extend self
...use it
Cheat.sheet 'migrations'
Cheat.sheet 'singletons'
Any why not? The API is more concise, the code is easier to test, mock, and stub, and it’s still dead simple to convert into a proper class should the need arise.
(( copyright ought ten chris wanstrath ))
...
How to evaluate a math expression given in string form?
...er.org/
https://mathparser.org/mxparser-tutorial/
https://mathparser.org/api/
And few examples
1 - Simple furmula
Expression e = new Expression("( 2 + 3/4 + sin(pi) )/2");
double v = e.calculate()
2 - User defined arguments and constants
Argument x = new Argument("x = 10");
Constant a = new ...
android.view.InflateException: Binary XML file: Error inflating class fragment
...ight side for right-to-left languages.
If you're not building against API 17 or higher, use
android:layout_gravity="left" instead. -->
<!-- The drawer is given a fixed width in dp and extends the full height of
the container. -->
<fragment android:id="@+id/navigation_draw...
Can I publish a private NuGet package?
...o host is in IIS or Azure. You will then be able to push packages using an API key and anyone can subscribe to the feed. Here is an easy guide to create your own NuGet server.
– Alex Sanséau
Mar 13 '15 at 9:27
...
how to stop browser back button using javascript
...isable the back button for modern browsers which support the HTML5 History API. Under normal circumstances, pushing the back button goes back one step, to the previous page. If you use history.pushState(), you start adding extra sub-steps to the current page. The way it works is, if you were to use ...
'No Transport' Error w/ jQuery ajax call in IE
I need to use foursquare API to search venues. Of course it is cross-domain.
5 Answers
...
Nested attributes unpermitted parameters
...[:id, :name, :category])
Some more details can be found in the Ruby edge API docs and strong_parameters on github or here
share
|
improve this answer
|
follow
...
Is PHP's count() function O(1) or O(n) for arrays?
...m_elements() for non-recursive array, which is implemented this way:
ZEND_API int zend_hash_num_elements(const HashTable *ht)
{
IS_CONSISTENT(ht);
return ht->nNumOfElements;
}
So you can see, it's O(1) for $mode = COUNT_NORMAL.
...
How to find out which JavaScript events fired?
...
Regarding Chrome, checkout the monitorEvents() via the command line API.
Open the console via Menu > Tools > JavaScript Console.
Enter monitorEvents(window);
View the console flooded with events
...
mousemove MouseEvent {dataTransfer: ...}
mouseout MouseEvent {dataTransfer: ...}
mou...