大约有 43,200 项符合查询结果（耗时：0.0542秒） [XML]
Java switch statement: Constant expression required, but it IS constant
...
13 Answers
13
Active
...
Creating an array of objects in Java
...
A[] a = new A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
...
Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
...
How can I initialize an ArrayList with all zeroes in Java?
...
|
edited Mar 2 '15 at 18:03
answered Apr 8 '11 at 20:57
...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...gers, while the actual sizes may be fractional with zoom levels other than 1.
Note that this
scrollbarWidth = getComputedStyle().width + getComputedStyle().paddingLeft + getComputedStyle().paddingRight - clientWidth
does not work reliably in Chrome, since Chrome returns width with scrollbar alre...
catch all unhandled exceptions in ASP.NET Web Api
...
157
This is now possible with WebAPI 2.1 (see the What's New):
Create one or more implementations...
android fragment onRestoreInstanceState
...
answered Mar 24 '11 at 0:28
mgvmgv
7,84633 gold badges3939 silver badges4646 bronze badges
...
How to use PyCharm to debug Scrapy projects
...
10 Answers
10
Active
...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
...
answered Aug 11 '11 at 18:37
M4NM4N
88.4k4242 gold badges208208 silver badges253253 bronze badges
...
Efficient paging in SQLite with millions of records
...
1 Answer
1
Active
...