大约有 48,000 项符合查询结果（耗时：0.0875秒） [XML]
The new syntax “= default” in C++11
...structor suppresses the default constructor.
The destructor default is inappropriate to polymorphic classes, requiring an explicit definition.
Once a default is suppressed, there is no means to resurrect it.
Default implementations are often more efficient than manually specified implementatio...
Abstract classes in Swift Language
...re information, check great WWDC video about that feature: Building Better Apps with Value Types in Swift
share
|
improve this answer
|
follow
|
...
Java : How to determine the correct charset encoding of a stream
With reference to the following thread:
Java App : Unable to read iso-8859-1 encoded file correctly
15 Answers
...
Android ListView not refreshing after notifyDataSetChanged
...tview. Instead first check if the listview has a adapter and then call the appropriate method.
I think its not a very good idea to create a new instance of the adapter while setting the list view. Instead, create an object.
BuildingAdapter adapter = new BuildingAdapter(context);
if(getListVie...
Why shouldn't all functions be async by default?
...ime.
Async makes it much harder to reason about when a side effect will happen. Before async, if you said:
M();
N();
and M() was void M() { Q(); R(); }, and N() was void N() { S(); T(); }, and R and S produce side effects, then you know that R's side effect happens before S's side effect. But i...
What is the purpose of Serialization in Java?
...rializing it to another object achieves this goal.
Caching: Really just an application of the above, but sometimes an object takes 10 minutes to build, but would only take 10 seconds to de-serialize. So, rather than hold onto the giant object in memory, just cache it out to a file via serialization...
What are .dex files in Android?
...nstructions are the same as Java bytecode instructions.
Compiled Android application code file.
Android programs are compiled into .dex (Dalvik Executable) files, which are in turn zipped into a single .apk file on the device. .dex files can be created by automatically translating compiled appli...
How can I position my div at the bottom of its container?
... your container breaks your design, remember that you can just include a wrapper div inside of the container with 100% height, and add position:relative to that instead.
– Jack Shepherd
Aug 17 '11 at 17:16
...
Git: How to squash all commits on branch
...- non destructive and only oops moment may be checking in too much such as app secrets etc, which shouldn't matter if you have a proper gitignore file
– kkarakk
May 31 '19 at 6:41
...
Utility classes are evil? [closed]
...rovide meaningful abstractions for actual computation. However, a balanced approach to using an OO language tends toward immutability and statelessness as they promote modularity and maintainability.
– Alain O'Dea
Feb 13 '16 at 17:43
...